circlecloud/tmux
1
0
Fork 0
mirror of https://github.com/tmux/tmux.git synced 2024-11-13 23:58:51 +00:00
Code Issues Projects Releases Wiki Activity
baf1fca273
tmux/screen-write.c

1809 lines
42 KiB
C
Raw Normal View History

Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* $OpenBSD$ */
/*
I no longer use my SourceForge address so replace it.
2016-01-19 15:59:12 +00:00
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
xfree is not particularly helpful, remove it. From Thomas Adam.
2012-07-10 11:53:01 +00:00
#include <stdlib.h>
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
#include <string.h>
#include "tmux.h"
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
static void screen_write_collect_clear(struct screen_write_ctx *, u_int,
u_int);
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
static int screen_write_collect_clear_end(struct screen_write_ctx *, u_int,
u_int, u_int);
static int screen_write_collect_clear_start(struct screen_write_ctx *, u_int,
u_int, u_int);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
static void screen_write_collect_scroll(struct screen_write_ctx *);
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
static void screen_write_collect_flush(struct screen_write_ctx *, int,
const char *);
Break the save-last-cell code into a separate function (so it can be called conditionally later).
2016-05-27 23:02:17 +00:00
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
static int screen_write_overwrite(struct screen_write_ctx *,
struct grid_cell *, u_int);
Only redraw the modified character when adding combining characters, not the whole line.
2017-02-06 13:23:00 +00:00
static const struct grid_cell *screen_write_combine(struct screen_write_ctx *,
const struct utf8_data *, u_int *);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Padding cell is always the same so use a static.
2016-05-27 23:06:12 +00:00
static const struct grid_cell screen_write_pad_cell = {
Correctly clear underscore colour in grid_get_cell1, also fix struct grid_cell to avoid padding. Fixes increased memory use reported by Suraj N Kurapati.
2019-07-06 20:37:29 +00:00
{ { 0 }, 0, 0, 0 }, 0, GRID_FLAG_PADDING, 0, 8, 8
Padding cell is always the same so use a static.
2016-05-27 23:06:12 +00:00
};
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
struct screen_write_collect_item {
u_int x;
Make full width panes try to play more nicely with terminal copy and paste by avoiding explicit line wraps if we think the terminal will wrap anyway.
2017-04-25 18:30:29 +00:00
int wrapped;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
There is no point allocating a new item and putting it on the list when the whole line is cleared line, there is never any point in doing it more than once. Instead store the background colour alone.
2020-04-17 15:44:58 +00:00
enum { TEXT, CLEAR_END, CLEAR_START } type;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
u_int used;
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
union {
u_int bg;
char data[256];
};
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
struct grid_cell gc;
Style and spacing nits.
2017-05-31 17:56:48 +00:00
TAILQ_ENTRY(screen_write_collect_item) entry;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
};
struct screen_write_collect_line {
There is no point allocating a new item and putting it on the list when the whole line is cleared line, there is never any point in doing it more than once. Instead store the background colour alone.
2020-04-17 15:44:58 +00:00
u_int bg;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
TAILQ_HEAD(, screen_write_collect_item) items;
};
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
static void
screen_write_offset_timer(__unused int fd, __unused short events, void *data)
{
struct window *w = data;
tty_update_window_offset(w);
}
/* Set cursor position. */
static void
screen_write_set_cursor(struct screen_write_ctx *ctx, int cx, int cy)
{
struct window_pane *wp = ctx->wp;
struct window *w;
struct screen *s = ctx->s;
struct timeval tv = { .tv_usec = 10000 };
if (cx != -1 && (u_int)cx == s->cx && cy != -1 && (u_int)cy == s->cy)
return;
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
if (cx != -1) {
Fix wrapping after origin mode change.
2019-03-12 13:14:14 +00:00
if ((u_int)cx > screen_size_x(s)) /* allow last column */
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
cx = screen_size_x(s) - 1;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
s->cx = cx;
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
}
if (cy != -1) {
if ((u_int)cy > screen_size_y(s) - 1)
cy = screen_size_y(s) - 1;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
s->cy = cy;
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
}
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (wp == NULL)
return;
w = wp->window;
if (!event_initialized(&w->offset_timer))
evtimer_set(&w->offset_timer, screen_write_offset_timer, w);
if (!evtimer_pending(&w->offset_timer, NULL))
evtimer_add(&w->offset_timer, &tv);
}
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
/* Set up context for TTY command. */
static void
screen_write_initctx(struct screen_write_ctx *ctx, struct tty_ctx *ttyctx,
int sync)
{
struct screen *s = ctx->s;
memset(ttyctx, 0, sizeof *ttyctx);
ttyctx->wp = ctx->wp;
ttyctx->ocx = s->cx;
ttyctx->ocy = s->cy;
ttyctx->orlower = s->rlower;
ttyctx->orupper = s->rupper;
if (sync && !ctx->sync && ttyctx->wp != NULL) {
log_debug("%s: starting sync", __func__);
tty_write(tty_cmd_syncstart, ttyctx);
ctx->sync = 1;
}
}
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
/* Initialize writing with a window. */
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
void
Better format for printf format attributes.
2014-10-20 23:57:13 +00:00
screen_write_start(struct screen_write_ctx *ctx, struct window_pane *wp,
struct screen *s)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
u_int y;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
memset(ctx, 0, sizeof *ctx);
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
ctx->wp = wp;
if (wp != NULL && s == NULL)
ctx->s = wp->screen;
else
ctx->s = s;
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
ctx->list = xcalloc(screen_size_y(ctx->s), sizeof *ctx->list);
for (y = 0; y < screen_size_y(ctx->s); y++)
TAILQ_INIT(&ctx->list[y].items);
ctx->item = xcalloc(1, sizeof *ctx->item);
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
ctx->scrolled = 0;
ctx->bg = 8;
Couple of bits of minor cleanup.
2019-09-24 15:52:14 +00:00
if (log_get_level() != 0) {
if (wp != NULL) {
log_debug("%s: size %ux%u, pane %%%u (at %u,%u)",
__func__, screen_size_x(ctx->s),
screen_size_y(ctx->s), wp->id, wp->xoff, wp->yoff);
} else {
log_debug("%s: size %ux%u, no pane",
__func__, screen_size_x(ctx->s),
screen_size_y(ctx->s));
}
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Finish writing. */
void
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
screen_write_stop(struct screen_write_ctx *ctx)
{
Add support for the iTerm2 sychronized updates escape sequence which drastically reduces flickering.
2020-04-16 13:35:24 +00:00
struct tty_ctx ttyctx;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
screen_write_collect_end(ctx);
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
log_debug("%s: %u cells (%u written, %u skipped)", __func__,
ctx->cells, ctx->written, ctx->skipped);
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
if (ctx->sync) {
screen_write_initctx(ctx, &ttyctx, 0);
tty_write(tty_cmd_syncend, &ttyctx);
log_debug("%s: ending sync", __func__);
}
Add support for the iTerm2 sychronized updates escape sequence which drastically reduces flickering.
2020-04-16 13:35:24 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
free(ctx->item);
free(ctx->list); /* flush will have emptied */
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Add a -R flag to send-keys to reset the terminal. Written ages ago and Suggested by someone, I forget who.
2012-01-21 08:10:21 +00:00
/* Reset screen state. */
void
screen_write_reset(struct screen_write_ctx *ctx)
{
Instead of loads of little screen_write_*_on and off functions which just change mode flags, just have screen_write_mode_set and screen_write_mode_clear.
2013-03-21 18:47:56 +00:00
struct screen *s = ctx->s;
Add a -R flag to send-keys to reset the terminal. Written ages ago and Suggested by someone, I forget who.
2012-01-21 08:10:21 +00:00
Instead of loads of little screen_write_*_on and off functions which just change mode flags, just have screen_write_mode_set and screen_write_mode_clear.
2013-03-21 18:47:56 +00:00
screen_reset_tabs(s);
screen_write_scrollregion(ctx, 0, screen_size_y(s) - 1);
Support the latest theory for mouse input, this is enabled/disabled with SM/RM 1006 and is similar in style to SGR input: \033[<b;x;yM or \033[b;x;ym. From Egmont Koblinger.
2013-03-22 10:33:50 +00:00
Reset all flags in screen_write_reset, reported by Benjamin Poirier.
2018-10-31 10:05:47 +00:00
s->mode = MODE_CURSOR | MODE_WRAP;
Add a -R flag to send-keys to reset the terminal. Written ages ago and Suggested by someone, I forget who.
2012-01-21 08:10:21 +00:00
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
screen_write_clearscreen(ctx, 8);
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, 0, 0);
Add a -R flag to send-keys to reset the terminal. Written ages ago and Suggested by someone, I forget who.
2012-01-21 08:10:21 +00:00
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* Write character. */
void
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
screen_write_putc(struct screen_write_ctx *ctx, const struct grid_cell *gcp,
Some more long lines.
2014-04-17 14:45:49 +00:00
u_char ch)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
struct grid_cell gc;
memcpy(&gc, gcp, sizeof gc);
utf8_set(&gc.data, ch);
screen_write_cell(ctx, &gc);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
/* Calculate string length. */
Better format for printf format attributes.
2014-10-20 23:57:13 +00:00
size_t
Nuke the utf8 and status-utf8 options and make tmux only a UTF-8 terminal. We still support non-UTF-8 terminals outside tmux, but inside it is always UTF-8 (as when the utf8 and status-utf8 options were on).
2015-11-12 11:09:11 +00:00
screen_write_strlen(const char *fmt, ...)
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
{
Try to reduce the UTF-8 mess. Get rid of passing around u_char[4]s and define a struct utf8_data which has character data, size (sequence length) and width. Move UTF-8 character collection into two functions utf8_open/utf8_append in utf8.c which fill in this struct and use these functions from input.c and the various functions in screen-write.c. Space for rather more data than is necessary for one UTF-8 sequence is in the utf8_data struct because screen_write_copy is still nasty and needs to reinject the character (after combining) into screen_write_cell.
2009-10-20 19:18:28 +00:00
va_list ap;
char *msg;
Rename overly-long utf8data to ud throughout.
2015-11-12 22:04:37 +00:00
struct utf8_data ud;
Try to reduce the UTF-8 mess. Get rid of passing around u_char[4]s and define a struct utf8_data which has character data, size (sequence length) and width. Move UTF-8 character collection into two functions utf8_open/utf8_append in utf8.c which fill in this struct and use these functions from input.c and the various functions in screen-write.c. Space for rather more data than is necessary for one UTF-8 sequence is in the utf8_data struct because screen_write_copy is still nasty and needs to reinject the character (after combining) into screen_write_cell.
2009-10-20 19:18:28 +00:00
u_char *ptr;
size_t left, size = 0;
All these return values from utf8_* are confusing, use an enum.
2015-11-14 11:45:43 +00:00
enum utf8_state more;
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
va_start(ap, fmt);
xvasprintf(&msg, fmt, ap);
va_end(ap);
ptr = msg;
while (*ptr != '\0') {
All these return values from utf8_* are confusing, use an enum.
2015-11-14 11:45:43 +00:00
if (*ptr > 0x7f && utf8_open(&ud, *ptr) == UTF8_MORE) {
Try to reduce the UTF-8 mess. Get rid of passing around u_char[4]s and define a struct utf8_data which has character data, size (sequence length) and width. Move UTF-8 character collection into two functions utf8_open/utf8_append in utf8.c which fill in this struct and use these functions from input.c and the various functions in screen-write.c. Space for rather more data than is necessary for one UTF-8 sequence is in the utf8_data struct because screen_write_copy is still nasty and needs to reinject the character (after combining) into screen_write_cell.
2009-10-20 19:18:28 +00:00
ptr++;
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
left = strlen(ptr);
Long overdue change to the way we store cells in the grid: now, instead of storing a full grid_cell with UTF-8 data and everything, store a new type grid_cell_entry. This can either be the cell itself (for ASCII cells), or an offset into an extended array (per line) for UTF-8 data. This avoid a large (8 byte) overhead on non-UTF-8 cells (by far the majority for most users) without the complexity of the shadow array we had before. Grid memory without any UTF-8 is about half. The disadvantage that cells can no longer be modified in place and need to be copied out of the grid and back but it turned out to be lot less complicated than I expected.
2015-11-13 08:09:28 +00:00
if (left < (size_t)ud.size - 1)
Try to reduce the UTF-8 mess. Get rid of passing around u_char[4]s and define a struct utf8_data which has character data, size (sequence length) and width. Move UTF-8 character collection into two functions utf8_open/utf8_append in utf8.c which fill in this struct and use these functions from input.c and the various functions in screen-write.c. Space for rather more data than is necessary for one UTF-8 sequence is in the utf8_data struct because screen_write_copy is still nasty and needs to reinject the character (after combining) into screen_write_cell.
2009-10-20 19:18:28 +00:00
break;
All these return values from utf8_* are confusing, use an enum.
2015-11-14 11:45:43 +00:00
while ((more = utf8_append(&ud, *ptr)) == UTF8_MORE)
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
ptr++;
Try to reduce the UTF-8 mess. Get rid of passing around u_char[4]s and define a struct utf8_data which has character data, size (sequence length) and width. Move UTF-8 character collection into two functions utf8_open/utf8_append in utf8.c which fill in this struct and use these functions from input.c and the various functions in screen-write.c. Space for rather more data than is necessary for one UTF-8 sequence is in the utf8_data struct because screen_write_copy is still nasty and needs to reinject the character (after combining) into screen_write_cell.
2009-10-20 19:18:28 +00:00
ptr++;
All these return values from utf8_* are confusing, use an enum.
2015-11-14 11:45:43 +00:00
if (more == UTF8_DONE)
Be more strict about invalid UTF-8.
2015-11-14 10:56:31 +00:00
size += ud.width;
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
} else {
Nuke the utf8 and status-utf8 options and make tmux only a UTF-8 terminal. We still support non-UTF-8 terminals outside tmux, but inside it is always UTF-8 (as when the utf8 and status-utf8 options were on).
2015-11-12 11:09:11 +00:00
if (*ptr > 0x1f && *ptr < 0x7f)
size++;
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
ptr++;
}
Remove trailing newlines, spaces, and tabs. No binary change.
2009-06-05 03:13:16 +00:00
}
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
xfree is not particularly helpful, remove it. From Thomas Adam.
2012-07-10 11:53:01 +00:00
free(msg);
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
return (size);
}
New session option, status-utf8, to control the interpretation of top-bit-set characters in status-left and status-right (if on, they are treated as UTF-8; otherwise passed through).
2009-06-03 16:54:26 +00:00
/* Write simple string (no UTF-8 or maximum length). */
Better format for printf format attributes.
2014-10-20 23:57:13 +00:00
void
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
screen_write_puts(struct screen_write_ctx *ctx, const struct grid_cell *gcp,
Better format for printf format attributes.
2014-10-20 23:57:13 +00:00
const char *fmt, ...)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
va_list ap;
va_start(ap, fmt);
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
screen_write_vnputs(ctx, -1, gcp, fmt, ap);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
va_end(ap);
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
}
/* Write string with length limit (-1 for unlimited). */
Better format for printf format attributes.
2014-10-20 23:57:13 +00:00
void
screen_write_nputs(struct screen_write_ctx *ctx, ssize_t maxlen,
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
const struct grid_cell *gcp, const char *fmt, ...)
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
{
va_list ap;
va_start(ap, fmt);
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
screen_write_vnputs(ctx, maxlen, gcp, fmt, ap);
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
va_end(ap);
}
void
New session option, status-utf8, to control the interpretation of top-bit-set characters in status-left and status-right (if on, they are treated as UTF-8; otherwise passed through).
2009-06-03 16:54:26 +00:00
screen_write_vnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
const struct grid_cell *gcp, const char *fmt, va_list ap)
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
{
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
struct grid_cell gc;
struct utf8_data *ud = &gc.data;
Try to reduce the UTF-8 mess. Get rid of passing around u_char[4]s and define a struct utf8_data which has character data, size (sequence length) and width. Move UTF-8 character collection into two functions utf8_open/utf8_append in utf8.c which fill in this struct and use these functions from input.c and the various functions in screen-write.c. Space for rather more data than is necessary for one UTF-8 sequence is in the utf8_data struct because screen_write_copy is still nasty and needs to reinject the character (after combining) into screen_write_cell.
2009-10-20 19:18:28 +00:00
char *msg;
u_char *ptr;
size_t left, size = 0;
All these return values from utf8_* are confusing, use an enum.
2015-11-14 11:45:43 +00:00
enum utf8_state more;
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
memcpy(&gc, gcp, sizeof gc);
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
xvasprintf(&msg, fmt, ap);
ptr = msg;
while (*ptr != '\0') {
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
if (*ptr > 0x7f && utf8_open(ud, *ptr) == UTF8_MORE) {
Try to reduce the UTF-8 mess. Get rid of passing around u_char[4]s and define a struct utf8_data which has character data, size (sequence length) and width. Move UTF-8 character collection into two functions utf8_open/utf8_append in utf8.c which fill in this struct and use these functions from input.c and the various functions in screen-write.c. Space for rather more data than is necessary for one UTF-8 sequence is in the utf8_data struct because screen_write_copy is still nasty and needs to reinject the character (after combining) into screen_write_cell.
2009-10-20 19:18:28 +00:00
ptr++;
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
left = strlen(ptr);
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
if (left < (size_t)ud->size - 1)
Try to reduce the UTF-8 mess. Get rid of passing around u_char[4]s and define a struct utf8_data which has character data, size (sequence length) and width. Move UTF-8 character collection into two functions utf8_open/utf8_append in utf8.c which fill in this struct and use these functions from input.c and the various functions in screen-write.c. Space for rather more data than is necessary for one UTF-8 sequence is in the utf8_data struct because screen_write_copy is still nasty and needs to reinject the character (after combining) into screen_write_cell.
2009-10-20 19:18:28 +00:00
break;
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
while ((more = utf8_append(ud, *ptr)) == UTF8_MORE)
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
ptr++;
Try to reduce the UTF-8 mess. Get rid of passing around u_char[4]s and define a struct utf8_data which has character data, size (sequence length) and width. Move UTF-8 character collection into two functions utf8_open/utf8_append in utf8.c which fill in this struct and use these functions from input.c and the various functions in screen-write.c. Space for rather more data than is necessary for one UTF-8 sequence is in the utf8_data struct because screen_write_copy is still nasty and needs to reinject the character (after combining) into screen_write_cell.
2009-10-20 19:18:28 +00:00
ptr++;
Remove trailing newlines, spaces, and tabs. No binary change.
2009-06-05 03:13:16 +00:00
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
if (more != UTF8_DONE)
continue;
if (maxlen > 0 && size + ud->width > (size_t)maxlen) {
while (size < (size_t)maxlen) {
screen_write_putc(ctx, &gc, ' ');
size++;
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
}
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
break;
Be more strict about invalid UTF-8.
2015-11-14 10:56:31 +00:00
}
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
size += ud->width;
screen_write_cell(ctx, &gc);
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
} else {
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
if (maxlen > 0 && size + 1 > (size_t)maxlen)
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
break;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Use ACS characters for choose-tree arrows based on diff from Romain Francoise.
2012-09-24 12:53:55 +00:00
if (*ptr == '\001')
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
gc.attr ^= GRID_ATTR_CHARSET;
Nuke the utf8 and status-utf8 options and make tmux only a UTF-8 terminal. We still support non-UTF-8 terminals outside tmux, but inside it is always UTF-8 (as when the utf8 and status-utf8 options were on).
2015-11-12 11:09:11 +00:00
else if (*ptr > 0x1f && *ptr < 0x7f) {
Use ACS characters for choose-tree arrows based on diff from Romain Francoise.
2012-09-24 12:53:55 +00:00
size++;
Make the grid_cell passed into screen_write_* const.
2016-04-29 13:21:33 +00:00
screen_write_putc(ctx, &gc, *ptr);
Use ACS characters for choose-tree arrows based on diff from Romain Francoise.
2012-09-24 12:53:55 +00:00
}
Add a UTF-8 aware string length function and make UTF-8 in status-left/status-right work properly. At the moment any top-bit-set characters are assumed to be UTF-8: a status-utf8 option to configure this will come shortly.
2009-06-03 16:05:46 +00:00
ptr++;
}
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
xfree is not particularly helpful, remove it. From Thomas Adam.
2012-07-10 11:53:01 +00:00
free(msg);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Add a "fast" version of screen_write_copy for tree mode that doesn't do all the checks and selection and marking stuff needed for copy mode.
2017-11-02 21:29:17 +00:00
/* Copy from another screen. Assumes target region is big enough. */
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
void
Wrap some long lines in screen-write.c.
2016-10-05 12:36:36 +00:00
screen_write_copy(struct screen_write_ctx *ctx, struct screen *src, u_int px,
Add a "fast" version of screen_write_copy for tree mode that doesn't do all the checks and selection and marking stuff needed for copy mode.
2017-11-02 21:29:17 +00:00
u_int py, u_int nx, u_int ny, bitstr_t *mbs, const struct grid_cell *mgc)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
struct grid *gd = src->grid;
Long overdue change to the way we store cells in the grid: now, instead of storing a full grid_cell with UTF-8 data and everything, store a new type grid_cell_entry. This can either be the cell itself (for ASCII cells), or an offset into an extended array (per line) for UTF-8 data. This avoid a large (8 byte) overhead on non-UTF-8 cells (by far the majority for most users) without the complexity of the shadow array we had before. Grid memory without any UTF-8 is about half. The disadvantage that cells can no longer be modified in place and need to be copied out of the grid and back but it turned out to be lot less complicated than I expected.
2015-11-13 08:09:28 +00:00
struct grid_cell gc;
Highlight all occurrences of search string after searching in copy mode.
2017-01-05 09:07:15 +00:00
u_int xx, yy, cx, cy, b;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
if (nx == 0 || ny == 0)
return;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
cx = s->cx;
cy = s->cy;
screen_write_copy tried to be clever and clear the line if it reached the end of the source, but it was wrong and causes problems that are only showing up now we are more aggressive about skipping redundant screen updates. Remove the optimization entirely as more trouble than it is worth to fix (and it'll have to go when BCE is done anyway).
2016-10-05 22:00:29 +00:00
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
for (yy = py; yy < py + ny; yy++) {
screen_write_copy tried to be clever and clear the line if it reached the end of the source, but it was wrong and causes problems that are only showing up now we are more aggressive about skipping redundant screen updates. Remove the optimization entirely as more trouble than it is worth to fix (and it'll have to go when BCE is done anyway).
2016-10-05 22:00:29 +00:00
for (xx = px; xx < px + nx; xx++) {
grid_get_cell(gd, xx, yy, &gc);
Add a "fast" version of screen_write_copy for tree mode that doesn't do all the checks and selection and marking stuff needed for copy mode.
2017-11-02 21:29:17 +00:00
if (mbs != NULL) {
Highlight all occurrences of search string after searching in copy mode.
2017-01-05 09:07:15 +00:00
b = (yy * screen_size_x(src)) + xx;
Add a "fast" version of screen_write_copy for tree mode that doesn't do all the checks and selection and marking stuff needed for copy mode.
2017-11-02 21:29:17 +00:00
if (bit_test(mbs, b)) {
gc.attr = mgc->attr;
gc.fg = mgc->fg;
gc.bg = mgc->bg;
Highlight all occurrences of search string after searching in copy mode.
2017-01-05 09:07:15 +00:00
}
}
Completely rewrite the reflow code to correctly handle double width characters (previously they were not accounted for).
2017-11-15 19:21:24 +00:00
if (xx + gc.data.width <= px + nx)
screen_write_cell(ctx, &gc);
screen_write_copy tried to be clever and clear the line if it reached the end of the source, but it was wrong and causes problems that are only showing up now we are more aggressive about skipping redundant screen updates. Remove the optimization entirely as more trouble than it is worth to fix (and it'll have to go when BCE is done anyway).
2016-10-05 22:00:29 +00:00
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
cy++;
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, cx, cy);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
}
Add a "fast" version of screen_write_copy for tree mode that doesn't do all the checks and selection and marking stuff needed for copy mode.
2017-11-02 21:29:17 +00:00
/*
* Copy from another screen but without the selection stuff. Also assumes the
screen_write_fast_copy can no longer assume the target screen is default (it isn't for the pane status lines).
2019-04-03 06:43:04 +00:00
* target region is already big enough.
Add a "fast" version of screen_write_copy for tree mode that doesn't do all the checks and selection and marking stuff needed for copy mode.
2017-11-02 21:29:17 +00:00
*/
void
screen_write_fast_copy(struct screen_write_ctx *ctx, struct screen *src,
u_int px, u_int py, u_int nx, u_int ny)
{
struct screen *s = ctx->s;
struct grid *gd = src->grid;
struct grid_cell gc;
u_int xx, yy, cx, cy;
if (nx == 0 || ny == 0)
return;
cy = s->cy;
for (yy = py; yy < py + ny; yy++) {
Support mouse on preview in tree mode.
2017-11-03 17:02:33 +00:00
if (yy >= gd->hsize + gd->sy)
break;
Add a "fast" version of screen_write_copy for tree mode that doesn't do all the checks and selection and marking stuff needed for copy mode.
2017-11-02 21:29:17 +00:00
cx = s->cx;
for (xx = px; xx < px + nx; xx++) {
Add accessors for grid linedata member, for some future work. From Dan Aloni.
2018-07-04 09:44:07 +00:00
if (xx >= grid_get_line(gd, yy)->cellsize)
Add a "fast" version of screen_write_copy for tree mode that doesn't do all the checks and selection and marking stuff needed for copy mode.
2017-11-02 21:29:17 +00:00
break;
grid_get_cell(gd, xx, yy, &gc);
Completely rewrite the reflow code to correctly handle double width characters (previously they were not accounted for).
2017-11-15 19:21:24 +00:00
if (xx + gc.data.width > px + nx)
break;
screen_write_fast_copy can no longer assume the target screen is default (it isn't for the pane status lines).
2019-04-03 06:43:04 +00:00
grid_view_set_cell(ctx->s->grid, cx, cy, &gc);
Add a "fast" version of screen_write_copy for tree mode that doesn't do all the checks and selection and marking stuff needed for copy mode.
2017-11-02 21:29:17 +00:00
cx++;
}
cy++;
}
}
Try to show a better preview of sessions and windows in tree mode.
2017-06-30 22:24:08 +00:00
/* Draw a horizontal line on screen. */
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
void
Try to show a better preview of sessions and windows in tree mode.
2017-06-30 22:24:08 +00:00
screen_write_hline(struct screen_write_ctx *ctx, u_int nx, int left, int right)
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
{
struct screen *s = ctx->s;
struct grid_cell gc;
u_int cx, cy, i;
cx = s->cx;
cy = s->cy;
memcpy(&gc, &grid_default_cell, sizeof gc);
gc.attr |= GRID_ATTR_CHARSET;
screen_write_putc(ctx, &gc, left ? 't' : 'q');
for (i = 1; i < nx - 1; i++)
screen_write_putc(ctx, &gc, 'q');
screen_write_putc(ctx, &gc, right ? 'u' : 'q');
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, cx, cy);
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
}
Try to show a better preview of sessions and windows in tree mode.
2017-06-30 22:24:08 +00:00
/* Draw a horizontal line on screen. */
void
Add -F to choose-tree, choose-client, choose-buffer to specify the format of each line, as well as adding a couple of formats needed for the default display.
2017-08-09 11:43:45 +00:00
screen_write_vline(struct screen_write_ctx *ctx, u_int ny, int top, int bottom)
Try to show a better preview of sessions and windows in tree mode.
2017-06-30 22:24:08 +00:00
{
struct screen *s = ctx->s;
struct grid_cell gc;
u_int cx, cy, i;
cx = s->cx;
cy = s->cy;
memcpy(&gc, &grid_default_cell, sizeof gc);
gc.attr |= GRID_ATTR_CHARSET;
screen_write_putc(ctx, &gc, top ? 'w' : 'x');
for (i = 1; i < ny - 1; i++) {
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, cx, cy + i);
Try to show a better preview of sessions and windows in tree mode.
2017-06-30 22:24:08 +00:00
screen_write_putc(ctx, &gc, 'x');
}
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, cx, cy + ny - 1);
Try to show a better preview of sessions and windows in tree mode.
2017-06-30 22:24:08 +00:00
screen_write_putc(ctx, &gc, bottom ? 'v' : 'x');
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, cx, cy);
Try to show a better preview of sessions and windows in tree mode.
2017-06-30 22:24:08 +00:00
}
Add a function to draw a simple menu onto a screen.
2019-05-10 14:12:47 +00:00
/* Draw a menu on screen. */
void
Use mode-style for selected items, like choose modes. GitHub issue 2166.
2020-04-15 16:11:23 +00:00
screen_write_menu(struct screen_write_ctx *ctx, struct menu *menu,
int choice, const struct grid_cell *choice_gc)
Add a function to draw a simple menu onto a screen.
2019-05-10 14:12:47 +00:00
{
struct screen *s = ctx->s;
Use mode-style for selected items, like choose modes. GitHub issue 2166.
2020-04-15 16:11:23 +00:00
struct grid_cell default_gc;
const struct grid_cell *gc = &default_gc;
Add a function to draw a simple menu onto a screen.
2019-05-10 14:12:47 +00:00
u_int cx, cy, i, j;
Allow menu items to be disabled by putting a - at the start of their name, rather than just including #[dim] which still allowed them to be chosen.
2019-05-28 09:50:54 +00:00
const char *name;
Add a function to draw a simple menu onto a screen.
2019-05-10 14:12:47 +00:00
cx = s->cx;
cy = s->cy;
Use mode-style for selected items, like choose modes. GitHub issue 2166.
2020-04-15 16:11:23 +00:00
memcpy(&default_gc, &grid_default_cell, sizeof default_gc);
Add a function to draw a simple menu onto a screen.
2019-05-10 14:12:47 +00:00
screen_write_box(ctx, menu->width + 4, menu->count + 2);
screen_write_cursormove(ctx, cx + 2, cy, 0);
Use mode-style for selected items, like choose modes. GitHub issue 2166.
2020-04-15 16:11:23 +00:00
format_draw(ctx, &default_gc, menu->width, menu->title, NULL);
Add a function to draw a simple menu onto a screen.
2019-05-10 14:12:47 +00:00
for (i = 0; i < menu->count; i++) {
Allow menu items to be disabled by putting a - at the start of their name, rather than just including #[dim] which still allowed them to be chosen.
2019-05-28 09:50:54 +00:00
name = menu->items[i].name;
if (name == NULL) {
Add a function to draw a simple menu onto a screen.
2019-05-10 14:12:47 +00:00
screen_write_cursormove(ctx, cx, cy + 1 + i, 0);
screen_write_hline(ctx, menu->width + 4, 1, 1);
} else {
Allow menu items to be disabled by putting a - at the start of their name, rather than just including #[dim] which still allowed them to be chosen.
2019-05-28 09:50:54 +00:00
if (choice >= 0 && i == (u_int)choice && *name != '-')
Use mode-style for selected items, like choose modes. GitHub issue 2166.
2020-04-15 16:11:23 +00:00
gc = choice_gc;
Add a function to draw a simple menu onto a screen.
2019-05-10 14:12:47 +00:00
screen_write_cursormove(ctx, cx + 2, cy + 1 + i, 0);
for (j = 0; j < menu->width; j++)
Use mode-style for selected items, like choose modes. GitHub issue 2166.
2020-04-15 16:11:23 +00:00
screen_write_putc(ctx, gc, ' ');
Add a function to draw a simple menu onto a screen.
2019-05-10 14:12:47 +00:00
screen_write_cursormove(ctx, cx + 2, cy + 1 + i, 0);
Allow menu items to be disabled by putting a - at the start of their name, rather than just including #[dim] which still allowed them to be chosen.
2019-05-28 09:50:54 +00:00
if (*name == '-') {
name++;
Use mode-style for selected items, like choose modes. GitHub issue 2166.
2020-04-15 16:11:23 +00:00
default_gc.attr |= GRID_ATTR_DIM;
format_draw(ctx, gc, menu->width, name, NULL);
default_gc.attr &= ~GRID_ATTR_DIM;
Allow menu items to be disabled by putting a - at the start of their name, rather than just including #[dim] which still allowed them to be chosen.
2019-05-28 09:50:54 +00:00
} else
Use mode-style for selected items, like choose modes. GitHub issue 2166.
2020-04-15 16:11:23 +00:00
format_draw(ctx, gc, menu->width, name, NULL);
gc = &default_gc;
Add a function to draw a simple menu onto a screen.
2019-05-10 14:12:47 +00:00
}
}
screen_write_set_cursor(ctx, cx, cy);
}
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
/* Draw a box on screen. */
void
screen_write_box(struct screen_write_ctx *ctx, u_int nx, u_int ny)
{
struct screen *s = ctx->s;
struct grid_cell gc;
u_int cx, cy, i;
cx = s->cx;
cy = s->cy;
memcpy(&gc, &grid_default_cell, sizeof gc);
gc.attr |= GRID_ATTR_CHARSET;
screen_write_putc(ctx, &gc, 'l');
for (i = 1; i < nx - 1; i++)
screen_write_putc(ctx, &gc, 'q');
screen_write_putc(ctx, &gc, 'k');
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, cx, cy + ny - 1);
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
screen_write_putc(ctx, &gc, 'm');
for (i = 1; i < nx - 1; i++)
screen_write_putc(ctx, &gc, 'q');
screen_write_putc(ctx, &gc, 'j');
for (i = 1; i < ny - 1; i++) {
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, cx, cy + i);
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
screen_write_putc(ctx, &gc, 'x');
}
for (i = 1; i < ny - 1; i++) {
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, cx + nx - 1, cy + i);
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
screen_write_putc(ctx, &gc, 'x');
}
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, cx, cy);
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
}
Add a "fast" version of screen_write_copy for tree mode that doesn't do all the checks and selection and marking stuff needed for copy mode.
2017-11-02 21:29:17 +00:00
/*
* Write a preview version of a window. Assumes target area is big enough and
* already cleared.
*/
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
void
screen_write_preview(struct screen_write_ctx *ctx, struct screen *src, u_int nx,
u_int ny)
{
struct screen *s = ctx->s;
struct grid_cell gc;
u_int cx, cy, px, py;
cx = s->cx;
cy = s->cy;
/*
* If the cursor is on, pick the area around the cursor, otherwise use
* the top left.
*/
if (src->mode & MODE_CURSOR) {
px = src->cx;
if (px < nx / 3)
px = 0;
else
px = px - nx / 3;
if (px + nx > screen_size_x(src)) {
if (nx > screen_size_x(src))
px = 0;
else
px = screen_size_x(src) - nx;
}
py = src->cy;
if (py < ny / 3)
py = 0;
else
py = py - ny / 3;
if (py + ny > screen_size_y(src)) {
if (ny > screen_size_y(src))
py = 0;
else
py = screen_size_y(src) - ny;
}
} else {
px = 0;
py = 0;
}
Add a "fast" version of screen_write_copy for tree mode that doesn't do all the checks and selection and marking stuff needed for copy mode.
2017-11-02 21:29:17 +00:00
screen_write_fast_copy(ctx, src, px, src->grid->hsize + py, nx, ny);
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
if (src->mode & MODE_CURSOR) {
grid_view_get_cell(src->grid, src->cx, src->cy, &gc);
gc.attr |= GRID_ATTR_REVERSE;
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, cx + (src->cx - px),
Rewrite of choose mode, both to simplify and tidy the code and to add some modern features. Now the common code is in mode-tree.c, which provides an API used by the three modes now separated into window-{buffer,client,tree}.c. Buffer mode shows buffers, client mode clients and tree mode a tree of sessions, windows and panes. Each mode has a common set of key bindings plus a few that are specific to the mode. Other changes are: - each mode has a preview pane: for buffers this is the buffer content (very useful), for others it is a preview of the pane; - items may be sorted in different ways ('O' key); - multiple items may be tagged and an operation applied to all of them (for example, to delete multiple buffers at once); - in tree mode a command may be run on the selected item (session, window, pane) or on tagged items (key ':'); - displayed items may be filtered in tree mode by using a format (this is used to implement find-window) (key 'f'); - the custom format (-F) for the display is no longer available; - shortcut keys change from 0-9, a-z, A-Z which was always a bit weird with keys used for other uses to 0-9, M-a to M-z. Now that the code is simpler, other improvements will come later. Primary key bindings for each mode are documented under the commands in the man page (choose-buffer, choose-client, choose-tree). Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
cy + (src->cy - py));
screen_write_cell(ctx, &gc);
}
}
Instead of loads of little screen_write_*_on and off functions which just change mode flags, just have screen_write_mode_set and screen_write_mode_clear.
2013-03-21 18:47:56 +00:00
/* Set a mode. */
void
screen_write_mode_set(struct screen_write_ctx *ctx, int mode)
{
struct screen *s = ctx->s;
s->mode |= mode;
}
/* Clear a mode. */
void
screen_write_mode_clear(struct screen_write_ctx *ctx, int mode)
{
struct screen *s = ctx->s;
s->mode &= ~mode;
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* Cursor up by ny. */
void
screen_write_cursorup(struct screen_write_ctx *ctx, u_int ny)
{
struct screen *s = ctx->s;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
u_int cx = s->cx, cy = s->cy;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (ny == 0)
ny = 1;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (cy < s->rupper) {
Cursor up and down should be limited by the scroll region (cuu should stop at the scroll region top if starting from below it and cud stop at the bottom if starting from above). Fixes another vttest test.
2009-07-09 17:57:11 +00:00
/* Above region. */
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (ny > cy)
ny = cy;
Cursor up and down should be limited by the scroll region (cuu should stop at the scroll region top if starting from below it and cud stop at the bottom if starting from above). Fixes another vttest test.
2009-07-09 17:57:11 +00:00
} else {
/* Below region. */
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (ny > cy - s->rupper)
ny = cy - s->rupper;
Cursor up and down should be limited by the scroll region (cuu should stop at the scroll region top if starting from below it and cud stop at the bottom if starting from above). Fixes another vttest test.
2009-07-09 17:57:11 +00:00
}
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (cx == screen_size_x(s))
cx--;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
cy -= ny;
screen_write_set_cursor(ctx, cx, cy);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Cursor down by ny. */
void
screen_write_cursordown(struct screen_write_ctx *ctx, u_int ny)
{
struct screen *s = ctx->s;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
u_int cx = s->cx, cy = s->cy;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (ny == 0)
ny = 1;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (cy > s->rlower) {
Cursor up and down should be limited by the scroll region (cuu should stop at the scroll region top if starting from below it and cud stop at the bottom if starting from above). Fixes another vttest test.
2009-07-09 17:57:11 +00:00
/* Below region. */
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (ny > screen_size_y(s) - 1 - cy)
ny = screen_size_y(s) - 1 - cy;
Cursor up and down should be limited by the scroll region (cuu should stop at the scroll region top if starting from below it and cud stop at the bottom if starting from above). Fixes another vttest test.
2009-07-09 17:57:11 +00:00
} else {
/* Above region. */
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (ny > s->rlower - cy)
ny = s->rlower - cy;
Cursor up and down should be limited by the scroll region (cuu should stop at the scroll region top if starting from below it and cud stop at the bottom if starting from above). Fixes another vttest test.
2009-07-09 17:57:11 +00:00
}
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (cx == screen_size_x(s))
cx--;
else if (ny == 0)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
return;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
cy += ny;
screen_write_set_cursor(ctx, cx, cy);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Spacing nits.
2016-12-09 21:39:27 +00:00
/* Cursor right by nx. */
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
void
screen_write_cursorright(struct screen_write_ctx *ctx, u_int nx)
{
struct screen *s = ctx->s;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
u_int cx = s->cx, cy = s->cy;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (nx == 0)
nx = 1;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (nx > screen_size_x(s) - 1 - cx)
nx = screen_size_x(s) - 1 - cx;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (nx == 0)
return;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
cx += nx;
screen_write_set_cursor(ctx, cx, cy);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Cursor left by nx. */
void
screen_write_cursorleft(struct screen_write_ctx *ctx, u_int nx)
{
struct screen *s = ctx->s;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
u_int cx = s->cx, cy = s->cy;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (nx == 0)
nx = 1;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (nx > cx)
nx = cx;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (nx == 0)
return;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
cx -= nx;
screen_write_set_cursor(ctx, cx, cy);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
When backspace is received at the beginning of a line and the previous line was wrapped, move the cursor back up to the end of the previous line. Another one of the forgotten persons requested this quite a while ago (I need to start noting names on todo items...) when it was quite hard to implement. Now it is easy and I don't see it can do any harm, so hey presto...
2009-10-12 16:59:55 +00:00
/* Backspace; cursor left unless at start of wrapped line when can move up. */
void
screen_write_backspace(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct grid_line *gl;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
u_int cx = s->cx, cy = s->cy;
When backspace is received at the beginning of a line and the previous line was wrapped, move the cursor back up to the end of the previous line. Another one of the forgotten persons requested this quite a while ago (I need to start noting names on todo items...) when it was quite hard to implement. Now it is easy and I don't see it can do any harm, so hey presto...
2009-10-12 16:59:55 +00:00
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (cx == 0) {
if (cy == 0)
When backspace is received at the beginning of a line and the previous line was wrapped, move the cursor back up to the end of the previous line. Another one of the forgotten persons requested this quite a while ago (I need to start noting names on todo items...) when it was quite hard to implement. Now it is easy and I don't see it can do any harm, so hey presto...
2009-10-12 16:59:55 +00:00
return;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
gl = grid_get_line(s->grid, s->grid->hsize + cy - 1);
When backspace is received at the beginning of a line and the previous line was wrapped, move the cursor back up to the end of the previous line. Another one of the forgotten persons requested this quite a while ago (I need to start noting names on todo items...) when it was quite hard to implement. Now it is easy and I don't see it can do any harm, so hey presto...
2009-10-12 16:59:55 +00:00
if (gl->flags & GRID_LINE_WRAPPED) {
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
cy--;
cx = screen_size_x(s) - 1;
When backspace is received at the beginning of a line and the previous line was wrapped, move the cursor back up to the end of the previous line. Another one of the forgotten persons requested this quite a while ago (I need to start noting names on todo items...) when it was quite hard to implement. Now it is easy and I don't see it can do any harm, so hey presto...
2009-10-12 16:59:55 +00:00
}
} else
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
cx--;
screen_write_set_cursor(ctx, cx, cy);
When backspace is received at the beginning of a line and the previous line was wrapped, move the cursor back up to the end of the previous line. Another one of the forgotten persons requested this quite a while ago (I need to start noting names on todo items...) when it was quite hard to implement. Now it is easy and I don't see it can do any harm, so hey presto...
2009-10-12 16:59:55 +00:00
}
Implement the DEC alignment test. With the last change this is enough for the first cursor test in vttest (in ports) to pass; it still shops a few more problems though.
2009-06-03 23:30:40 +00:00
/* VT100 alignment test. */
void
screen_write_alignmenttest(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
struct tty_ctx ttyctx;
Implement the DEC alignment test. With the last change this is enough for the first cursor test in vttest (in ports) to pass; it still shops a few more problems though.
2009-06-03 23:30:40 +00:00
struct grid_cell gc;
u_int xx, yy;
memcpy(&gc, &grid_default_cell, sizeof gc);
Long overdue change to the way we store cells in the grid: now, instead of storing a full grid_cell with UTF-8 data and everything, store a new type grid_cell_entry. This can either be the cell itself (for ASCII cells), or an offset into an extended array (per line) for UTF-8 data. This avoid a large (8 byte) overhead on non-UTF-8 cells (by far the majority for most users) without the complexity of the shadow array we had before. Grid memory without any UTF-8 is about half. The disadvantage that cells can no longer be modified in place and need to be copied out of the grid and back but it turned out to be lot less complicated than I expected.
2015-11-13 08:09:28 +00:00
utf8_set(&gc.data, 'E');
Remove trailing newlines, spaces, and tabs. No binary change.
2009-06-05 03:13:16 +00:00
Implement the DEC alignment test. With the last change this is enough for the first cursor test in vttest (in ports) to pass; it still shops a few more problems though.
2009-06-03 23:30:40 +00:00
for (yy = 0; yy < screen_size_y(s); yy++) {
for (xx = 0; xx < screen_size_x(s); xx++)
grid_view_set_cell(s->grid, xx, yy, &gc);
}
Remove trailing newlines, spaces, and tabs. No binary change.
2009-06-05 03:13:16 +00:00
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
screen_write_set_cursor(ctx, 0, 0);
Implement the DEC alignment test. With the last change this is enough for the first cursor test in vttest (in ports) to pass; it still shops a few more problems though.
2009-06-03 23:30:40 +00:00
s->rupper = 0;
s->rlower = screen_size_y(s) - 1;
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Initialize context property in alignment test handler function.
2018-11-13 11:36:37 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
screen_write_collect_clear(ctx, 0, screen_size_y(s) - 1);
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
tty_write(tty_cmd_alignmenttest, &ttyctx);
Implement the DEC alignment test. With the last change this is enough for the first cursor test in vttest (in ports) to pass; it still shops a few more problems though.
2009-06-03 23:30:40 +00:00
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* Insert nx characters. */
void
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
screen_write_insertcharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
struct tty_ctx ttyctx;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (nx == 0)
nx = 1;
Fix two errors with character/line insertion and deletion: the maximum number of characters which may be inserted or deleted is the screen width, not one less (and similarly for lines and height); and if characters or lines are deleted by moving the ones that follow, the space at the end needs to be cleared. This appears to solve long-standing redraw issues most visible when using the force-width option then scrolling in view(1) or unwrapping lines in emacs.
2009-06-29 21:30:50 +00:00
if (nx > screen_size_x(s) - s->cx)
nx = screen_size_x(s) - s->cx;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (nx == 0)
return;
Some other tidying bits.
2017-02-08 15:49:29 +00:00
if (s->cx > screen_size_x(s) - 1)
return;
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 0);
Some other tidying bits.
2017-02-08 15:49:29 +00:00
ttyctx.bg = bg;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Some other tidying bits.
2017-02-08 15:49:29 +00:00
grid_view_insert_cells(s->grid, s->cx, s->cy, nx, bg);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
ttyctx.num = nx;
tty_write(tty_cmd_insertcharacter, &ttyctx);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Delete nx characters. */
void
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
screen_write_deletecharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
struct tty_ctx ttyctx;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (nx == 0)
nx = 1;
Fix two errors with character/line insertion and deletion: the maximum number of characters which may be inserted or deleted is the screen width, not one less (and similarly for lines and height); and if characters or lines are deleted by moving the ones that follow, the space at the end needs to be cleared. This appears to solve long-standing redraw issues most visible when using the force-width option then scrolling in view(1) or unwrapping lines in emacs.
2009-06-29 21:30:50 +00:00
if (nx > screen_size_x(s) - s->cx)
nx = screen_size_x(s) - s->cx;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (nx == 0)
return;
Some other tidying bits.
2017-02-08 15:49:29 +00:00
if (s->cx > screen_size_x(s) - 1)
return;
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 0);
Some other tidying bits.
2017-02-08 15:49:29 +00:00
ttyctx.bg = bg;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Some other tidying bits.
2017-02-08 15:49:29 +00:00
grid_view_delete_cells(s->grid, s->cx, s->cy, nx, bg);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
ttyctx.num = nx;
tty_write(tty_cmd_deletecharacter, &ttyctx);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Implement ECH (erase character, CSI X). Reported by Christian Neukirchen.
2013-01-15 23:18:55 +00:00
/* Clear nx characters. */
void
ECH needs to use background colour.
2017-05-12 10:50:11 +00:00
screen_write_clearcharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
Implement ECH (erase character, CSI X). Reported by Christian Neukirchen.
2013-01-15 23:18:55 +00:00
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
if (nx == 0)
nx = 1;
if (nx > screen_size_x(s) - s->cx)
nx = screen_size_x(s) - s->cx;
if (nx == 0)
return;
Some other tidying bits.
2017-02-08 15:49:29 +00:00
if (s->cx > screen_size_x(s) - 1)
return;
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 0);
ECH needs to use background colour.
2017-05-12 10:50:11 +00:00
ttyctx.bg = bg;
Implement ECH (erase character, CSI X). Reported by Christian Neukirchen.
2013-01-15 23:18:55 +00:00
Need to store bg for ECH.
2017-05-12 14:56:56 +00:00
grid_view_clear(s->grid, s->cx, s->cy, nx, 1, bg);
Implement ECH (erase character, CSI X). Reported by Christian Neukirchen.
2013-01-15 23:18:55 +00:00
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
Implement ECH (erase character, CSI X). Reported by Christian Neukirchen.
2013-01-15 23:18:55 +00:00
ttyctx.num = nx;
tty_write(tty_cmd_clearcharacter, &ttyctx);
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* Insert ny lines. */
void
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
screen_write_insertline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
Some other tidying bits.
2017-02-08 15:49:29 +00:00
struct grid *gd = s->grid;
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
struct tty_ctx ttyctx;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (ny == 0)
ny = 1;
Change inserting and deleting lines inside the scroll region to properly clear lines that should be inserted/deleted but not moved. Fixes problems with mutt reported by Brian Lewis, thanks.
2009-07-09 07:58:14 +00:00
if (s->cy < s->rupper || s->cy > s->rlower) {
if (ny > screen_size_y(s) - s->cy)
ny = screen_size_y(s) - s->cy;
if (ny == 0)
return;
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Some other tidying bits.
2017-02-08 15:49:29 +00:00
ttyctx.bg = bg;
Change inserting and deleting lines inside the scroll region to properly clear lines that should be inserted/deleted but not moved. Fixes problems with mutt reported by Brian Lewis, thanks.
2009-07-09 07:58:14 +00:00
Some other tidying bits.
2017-02-08 15:49:29 +00:00
grid_view_insert_lines(gd, s->cy, ny, bg);
Change inserting and deleting lines inside the scroll region to properly clear lines that should be inserted/deleted but not moved. Fixes problems with mutt reported by Brian Lewis, thanks.
2009-07-09 07:58:14 +00:00
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
ttyctx.num = ny;
tty_write(tty_cmd_insertline, &ttyctx);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
return;
Change inserting and deleting lines inside the scroll region to properly clear lines that should be inserted/deleted but not moved. Fixes problems with mutt reported by Brian Lewis, thanks.
2009-07-09 07:58:14 +00:00
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Change inserting and deleting lines inside the scroll region to properly clear lines that should be inserted/deleted but not moved. Fixes problems with mutt reported by Brian Lewis, thanks.
2009-07-09 07:58:14 +00:00
if (ny > s->rlower + 1 - s->cy)
ny = s->rlower + 1 - s->cy;
if (ny == 0)
return;
Massive spaces->tabs and trailing whitespace cleanup, hopefully for the last time now I've configured emacs to make them displayed in really annoying colours...
2009-12-03 22:50:09 +00:00
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Some other tidying bits.
2017-02-08 15:49:29 +00:00
ttyctx.bg = bg;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (s->cy < s->rupper || s->cy > s->rlower)
Some other tidying bits.
2017-02-08 15:49:29 +00:00
grid_view_insert_lines(gd, s->cy, ny, bg);
else
grid_view_insert_lines_region(gd, s->rlower, s->cy, ny, bg);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
ttyctx.num = ny;
tty_write(tty_cmd_insertline, &ttyctx);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Delete ny lines. */
void
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
screen_write_deleteline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
Some other tidying bits.
2017-02-08 15:49:29 +00:00
struct grid *gd = s->grid;
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
struct tty_ctx ttyctx;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (ny == 0)
ny = 1;
Change inserting and deleting lines inside the scroll region to properly clear lines that should be inserted/deleted but not moved. Fixes problems with mutt reported by Brian Lewis, thanks.
2009-07-09 07:58:14 +00:00
if (s->cy < s->rupper || s->cy > s->rlower) {
if (ny > screen_size_y(s) - s->cy)
ny = screen_size_y(s) - s->cy;
if (ny == 0)
return;
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Some other tidying bits.
2017-02-08 15:49:29 +00:00
ttyctx.bg = bg;
Change inserting and deleting lines inside the scroll region to properly clear lines that should be inserted/deleted but not moved. Fixes problems with mutt reported by Brian Lewis, thanks.
2009-07-09 07:58:14 +00:00
Some other tidying bits.
2017-02-08 15:49:29 +00:00
grid_view_delete_lines(gd, s->cy, ny, bg);
Change inserting and deleting lines inside the scroll region to properly clear lines that should be inserted/deleted but not moved. Fixes problems with mutt reported by Brian Lewis, thanks.
2009-07-09 07:58:14 +00:00
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
ttyctx.num = ny;
tty_write(tty_cmd_deleteline, &ttyctx);
Change inserting and deleting lines inside the scroll region to properly clear lines that should be inserted/deleted but not moved. Fixes problems with mutt reported by Brian Lewis, thanks.
2009-07-09 07:58:14 +00:00
return;
}
Massive spaces->tabs and trailing whitespace cleanup, hopefully for the last time now I've configured emacs to make them displayed in really annoying colours...
2009-12-03 22:50:09 +00:00
Change inserting and deleting lines inside the scroll region to properly clear lines that should be inserted/deleted but not moved. Fixes problems with mutt reported by Brian Lewis, thanks.
2009-07-09 07:58:14 +00:00
if (ny > s->rlower + 1 - s->cy)
ny = s->rlower + 1 - s->cy;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (ny == 0)
return;
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Some other tidying bits.
2017-02-08 15:49:29 +00:00
ttyctx.bg = bg;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (s->cy < s->rupper || s->cy > s->rlower)
Some other tidying bits.
2017-02-08 15:49:29 +00:00
grid_view_delete_lines(gd, s->cy, ny, bg);
else
grid_view_delete_lines_region(gd, s->rlower, s->cy, ny, bg);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
ttyctx.num = ny;
tty_write(tty_cmd_deleteline, &ttyctx);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Clear line at cursor. */
void
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
screen_write_clearline(struct screen_write_ctx *ctx, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
There is no point allocating a new item and putting it on the list when the whole line is cleared line, there is never any point in doing it more than once. Instead store the background colour alone.
2020-04-17 15:44:58 +00:00
struct screen *s = ctx->s;
struct grid_line *gl;
u_int sx = screen_size_x(s);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Add accessors for grid linedata member, for some future work. From Dan Aloni.
2018-07-04 09:44:07 +00:00
gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
Add a "terminal" colour which can be used instead of "default" in style options for the terminal default colour, bypassing any inheritance from other options. Prompted by a discussion with abieber@.
2018-10-25 15:13:38 +00:00
if (gl->cellsize == 0 && COLOUR_DEFAULT(bg))
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
return;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
screen_write_collect_clear(ctx, s->cy, 1);
There is no point allocating a new item and putting it on the list when the whole line is cleared line, there is never any point in doing it more than once. Instead store the background colour alone.
2020-04-17 15:44:58 +00:00
ctx->list[s->cy].bg = 1 + bg;
ctx->item->used = 0;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Clear to end of line from cursor. */
void
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
screen_write_clearendofline(struct screen_write_ctx *ctx, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
struct screen *s = ctx->s;
struct grid_line *gl;
u_int sx = screen_size_x(s);
struct screen_write_collect_item *ci = ctx->item;
if (s->cx == 0) {
screen_write_clearline(ctx, bg);
return;
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Add accessors for grid linedata member, for some future work. From Dan Aloni.
2018-07-04 09:44:07 +00:00
gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
Add a "terminal" colour which can be used instead of "default" in style options for the terminal default colour, bypassing any inheritance from other options. Prompted by a discussion with abieber@.
2018-10-25 15:13:38 +00:00
if (s->cx > sx - 1 || (s->cx >= gl->cellsize && COLOUR_DEFAULT(bg)))
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
return;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
grid_view_clear(s->grid, s->cx, s->cy, sx - s->cx, 1, bg);
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
if (!screen_write_collect_clear_end(ctx, s->cy, s->cx, bg)) {
ci->x = s->cx;
ci->type = CLEAR_END;
ci->bg = bg;
TAILQ_INSERT_TAIL(&ctx->list[s->cy].items, ci, entry);
ctx->item = xcalloc(1, sizeof *ctx->item);
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Clear to start of line from cursor. */
void
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
screen_write_clearstartofline(struct screen_write_ctx *ctx, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
struct screen *s = ctx->s;
u_int sx = screen_size_x(s);
struct screen_write_collect_item *ci = ctx->item;
if (s->cx >= sx - 1) {
screen_write_clearline(ctx, bg);
return;
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
if (s->cx > sx - 1)
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
else
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
grid_view_clear(s->grid, 0, s->cy, s->cx + 1, 1, bg);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
if (!screen_write_collect_clear_start(ctx, s->cy, s->cx, bg)) {
ci->x = s->cx;
ci->type = CLEAR_START;
ci->bg = bg;
TAILQ_INSERT_TAIL(&ctx->list[s->cy].items, ci, entry);
ctx->item = xcalloc(1, sizeof *ctx->item);
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Spacing nits.
2016-12-09 21:39:27 +00:00
/* Move cursor to px,py. */
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
void
DECRC and DECSC apparently need to preserve origin mode as well, based on a fix from Marc Reisner.
2019-03-12 20:02:47 +00:00
screen_write_cursormove(struct screen_write_ctx *ctx, int px, int py,
int origin)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
DECRC and DECSC apparently need to preserve origin mode as well, based on a fix from Marc Reisner.
2019-03-12 20:02:47 +00:00
if (origin && py != -1 && (s->mode & MODE_ORIGIN)) {
Fix HPA in origin mode.
2019-03-12 18:30:08 +00:00
if ((u_int)py > s->rlower - s->rupper)
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
py = s->rlower;
else
py += s->rupper;
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Fix HPA in origin mode.
2019-03-12 18:30:08 +00:00
if (px != -1 && (u_int)px > screen_size_x(s) - 1)
Fix wrapping after origin mode change.
2019-03-12 13:14:14 +00:00
px = screen_size_x(s) - 1;
Fix HPA in origin mode.
2019-03-12 18:30:08 +00:00
if (py != -1 && (u_int)py > screen_size_y(s) - 1)
Fix wrapping after origin mode change.
2019-03-12 13:14:14 +00:00
py = screen_size_y(s) - 1;
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
screen_write_set_cursor(ctx, px, py);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Spacing nits.
2016-12-09 21:39:27 +00:00
/* Reverse index (up with scroll). */
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
void
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
screen_write_reverseindex(struct screen_write_ctx *ctx, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
struct tty_ctx ttyctx;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
if (s->cy == s->rupper) {
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
grid_view_scroll_region_down(s->grid, s->rupper, s->rlower, bg);
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
screen_write_collect_flush(ctx, 0, __func__);
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.bg = bg;
tty_write(tty_cmd_reverseindex, &ttyctx);
} else if (s->cy > 0)
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
screen_write_set_cursor(ctx, -1, s->cy - 1);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Set scroll region. */
void
Style nits and line wrapping of function declarations.
2015-12-11 16:37:21 +00:00
screen_write_scrollregion(struct screen_write_ctx *ctx, u_int rupper,
u_int rlower)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
if (rupper > screen_size_y(s) - 1)
rupper = screen_size_y(s) - 1;
if (rlower > screen_size_y(s) - 1)
rlower = screen_size_y(s) - 1;
The scroll region cannot be one line only, ignore attempts to make it so.
2009-07-14 14:47:32 +00:00
if (rupper >= rlower) /* cannot be one line */
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
return;
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
Add support for scroll up escape sequence (CSI S) and use it when possible instead of sending individual line feeds.
2017-02-08 17:31:09 +00:00
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* Cursor moves to top-left. */
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
screen_write_set_cursor(ctx, 0, 0);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
s->rupper = rupper;
s->rlower = rlower;
}
Move the check for whether to force a line wrapper lower down into the tty code where it has access to the tty width, which is what should have been checked.
2009-10-20 16:32:23 +00:00
/* Line feed. */
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
void
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
screen_write_linefeed(struct screen_write_ctx *ctx, int wrapped, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
Add a flags member to the grid_line struct and use it to differentiate lines wrapped at the screen edge from those terminated by a newline. Then use this when copying to combine wrapped lines together into one.
2009-08-08 15:57:49 +00:00
struct screen *s = ctx->s;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
struct grid *gd = s->grid;
Add a flags member to the grid_line struct and use it to differentiate lines wrapped at the screen edge from those terminated by a newline. Then use this when copying to combine wrapped lines together into one.
2009-08-08 15:57:49 +00:00
struct grid_line *gl;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Add accessors for grid linedata member, for some future work. From Dan Aloni.
2018-07-04 09:44:07 +00:00
gl = grid_get_line(gd, gd->hsize + s->cy);
Add a flags member to the grid_line struct and use it to differentiate lines wrapped at the screen edge from those terminated by a newline. Then use this when copying to combine wrapped lines together into one.
2009-08-08 15:57:49 +00:00
if (wrapped)
gl->flags |= GRID_LINE_WRAPPED;
Revert to marking lines as wrapped on newlines, fixes problems with capturep -J.
2015-07-13 13:28:50 +00:00
else
gl->flags &= ~GRID_LINE_WRAPPED;
Add a flags member to the grid_line struct and use it to differentiate lines wrapped at the screen edge from those terminated by a newline. Then use this when copying to combine wrapped lines together into one.
2009-08-08 15:57:49 +00:00
Scrolling at least needs to be flushed before sending EL to the terminal (but it is simpler to flush everything, so do that instead).
2017-02-21 10:30:15 +00:00
log_debug("%s: at %u,%u (region %u-%u)", __func__, s->cx, s->cy,
s->rupper, s->rlower);
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
if (bg != ctx->bg) {
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 1, __func__);
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
ctx->bg = bg;
}
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
if (s->cy == s->rlower) {
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
grid_view_scroll_region_up(gd, s->rupper, s->rlower, bg);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
screen_write_collect_scroll(ctx);
Add support for scroll up escape sequence (CSI S) and use it when possible instead of sending individual line feeds.
2017-02-08 17:31:09 +00:00
ctx->scrolled++;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
} else if (s->cy < screen_size_y(s) - 1)
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
screen_write_set_cursor(ctx, -1, s->cy + 1);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Add support for scroll up escape sequence (CSI S) and use it when possible instead of sending individual line feeds.
2017-02-08 17:31:09 +00:00
/* Scroll up. */
void
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
screen_write_scrollup(struct screen_write_ctx *ctx, u_int lines, u_int bg)
Add support for scroll up escape sequence (CSI S) and use it when possible instead of sending individual line feeds.
2017-02-08 17:31:09 +00:00
{
struct screen *s = ctx->s;
struct grid *gd = s->grid;
u_int i;
if (lines == 0)
lines = 1;
else if (lines > s->rlower - s->rupper + 1)
lines = s->rlower - s->rupper + 1;
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
if (bg != ctx->bg) {
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 1, __func__);
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
ctx->bg = bg;
}
Add support for scroll up escape sequence (CSI S) and use it when possible instead of sending individual line feeds.
2017-02-08 17:31:09 +00:00
for (i = 0; i < lines; i++) {
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
grid_view_scroll_region_up(gd, s->rupper, s->rlower, bg);
Add support for scroll up escape sequence (CSI S) and use it when possible instead of sending individual line feeds.
2017-02-08 17:31:09 +00:00
screen_write_collect_scroll(ctx);
}
ctx->scrolled += lines;
}
Add support for the SD (scroll down) escape sequence, GitHub issue 1861.
2019-08-05 06:42:02 +00:00
/* Scroll down. */
void
screen_write_scrolldown(struct screen_write_ctx *ctx, u_int lines, u_int bg)
{
struct screen *s = ctx->s;
struct grid *gd = s->grid;
struct tty_ctx ttyctx;
u_int i;
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Add support for the SD (scroll down) escape sequence, GitHub issue 1861.
2019-08-05 06:42:02 +00:00
ttyctx.bg = bg;
if (lines == 0)
lines = 1;
else if (lines > s->rlower - s->rupper + 1)
lines = s->rlower - s->rupper + 1;
for (i = 0; i < lines; i++)
grid_view_scroll_region_down(gd, s->rupper, s->rlower, bg);
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
Add support for the SD (scroll down) escape sequence, GitHub issue 1861.
2019-08-05 06:42:02 +00:00
ttyctx.num = lines;
tty_write(tty_cmd_scrolldown, &ttyctx);
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* Carriage return (cursor to start of line). */
void
screen_write_carriagereturn(struct screen_write_ctx *ctx)
{
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
screen_write_set_cursor(ctx, 0, -1);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Clear to end of screen from cursor. */
void
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
screen_write_clearendofscreen(struct screen_write_ctx *ctx, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
Some other tidying bits.
2017-02-08 15:49:29 +00:00
struct grid *gd = s->grid;
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
struct tty_ctx ttyctx;
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
u_int sx = screen_size_x(s), sy = screen_size_y(s);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
ttyctx.bg = bg;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
When clearing the entire screen, clear lines that are used into the history like xterm does. Requested ages ago by someone I've forgotten.
2011-01-25 23:40:26 +00:00
/* Scroll into history if it is enabled and clearing entire screen. */
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
if (s->cx == 0 && s->cy == 0 && (gd->flags & GRID_HISTORY))
Some other tidying bits.
2017-02-08 15:49:29 +00:00
grid_view_clear_history(gd, bg);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
else {
if (s->cx <= sx - 1)
Some other tidying bits.
2017-02-08 15:49:29 +00:00
grid_view_clear(gd, s->cx, s->cy, sx - s->cx, 1, bg);
grid_view_clear(gd, 0, s->cy + 1, sx, sy - (s->cy + 1), bg);
When clearing the entire screen, clear lines that are used into the history like xterm does. Requested ages ago by someone I've forgotten.
2011-01-25 23:40:26 +00:00
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
screen_write_collect_clear(ctx, s->cy + 1, sy - (s->cy + 1));
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
tty_write(tty_cmd_clearendofscreen, &ttyctx);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Clear to start of screen. */
void
Add BCE for clear to start of screen, which was somehow missed.
2017-02-06 19:26:49 +00:00
screen_write_clearstartofscreen(struct screen_write_ctx *ctx, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
struct tty_ctx ttyctx;
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
u_int sx = screen_size_x(s);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Add BCE for clear to start of screen, which was somehow missed.
2017-02-06 19:26:49 +00:00
ttyctx.bg = bg;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
if (s->cy > 0)
Add BCE for clear to start of screen, which was somehow missed.
2017-02-06 19:26:49 +00:00
grid_view_clear(s->grid, 0, 0, sx, s->cy, bg);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
if (s->cx > sx - 1)
Clear to start of screen needs to use background colour.
2017-05-11 11:39:30 +00:00
grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
else
Clear to start of screen needs to use background colour.
2017-05-11 11:39:30 +00:00
grid_view_clear(s->grid, 0, s->cy, s->cx + 1, 1, bg);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
screen_write_collect_clear(ctx, 0, s->cy);
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
tty_write(tty_cmd_clearstartofscreen, &ttyctx);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
/* Clear entire screen. */
void
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
screen_write_clearscreen(struct screen_write_ctx *ctx, u_int bg)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
struct tty_ctx ttyctx;
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
u_int sx = screen_size_x(s), sy = screen_size_y(s);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
ttyctx.bg = bg;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
When clearing the entire screen, clear lines that are used into the history like xterm does. Requested ages ago by someone I've forgotten.
2011-01-25 23:40:26 +00:00
/* Scroll into history if it is enabled. */
if (s->grid->flags & GRID_HISTORY)
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
grid_view_clear_history(s->grid, bg);
Style nits and line wrapping of function declarations.
2015-12-11 16:37:21 +00:00
else
Add support for BCE (background colour erase). This makes various escape sequences (notable EL and ED but also IL, DL, ICH, DCH) create blank cells using the current background colour rather than the default colour. On modern systems BCE doesn't really have many benefits, but most other terminals now support it, some (lazy) applications rely on it, and it is not hard to include now that we have pane background colours anyway. Mostly written by Sean Haugh.
2016-10-13 20:27:27 +00:00
grid_view_clear(s->grid, 0, 0, sx, sy, bg);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
screen_write_collect_clear(ctx, 0, sy);
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
tty_write(tty_cmd_clearscreen, &ttyctx);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Support for \e[3J to clear the history. Also send the corresponding terminfo code (E3) before locking.
2011-10-23 10:16:14 +00:00
/* Clear entire history. */
void
screen_write_clearhistory(struct screen_write_ctx *ctx)
{
Use the clear history function for the 3J sequence rather than doing it manually.
2019-07-08 11:38:14 +00:00
grid_clear_history(ctx->s->grid);
Support for \e[3J to clear the history. Also send the corresponding terminfo code (E3) before locking.
2011-10-23 10:16:14 +00:00
}
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
/* Clear to start of a collected line. */
static int
screen_write_collect_clear_start(struct screen_write_ctx *ctx, u_int y, u_int x,
u_int bg)
{
struct screen_write_collect_item *ci, *tmp;
size_t size = 0;
u_int items = 0;
int redundant = 0;
if (TAILQ_EMPTY(&ctx->list[y].items))
return (0);
TAILQ_FOREACH_SAFE(ci, &ctx->list[y].items, entry, tmp) {
switch (ci->type) {
case CLEAR_START:
if (ci->x >= x) {
if (ci->bg == bg)
redundant = 1;
continue;
}
break;
case CLEAR_END:
if (ci->x <= x)
ci->x = x;
continue;
case TEXT:
if (ci->x > x)
continue;
break;
}
items++;
size += ci->used;
TAILQ_REMOVE(&ctx->list[y].items, ci, entry);
free(ci);
}
ctx->skipped += size;
log_debug("%s: dropped %u items (%zu bytes) (line %u)", __func__, items,
size, y);
return (redundant);
}
/* Clear to end of a collected line. */
static int
screen_write_collect_clear_end(struct screen_write_ctx *ctx, u_int y, u_int x,
u_int bg)
{
struct screen_write_collect_item *ci, *tmp;
size_t size = 0;
int redundant = 0;
u_int items = 0;
if (TAILQ_EMPTY(&ctx->list[y].items))
return (0);
TAILQ_FOREACH_SAFE(ci, &ctx->list[y].items, entry, tmp) {
switch (ci->type) {
case CLEAR_START:
if (ci->x >= x)
ci->x = x;
continue;
case CLEAR_END:
if (ci->x <= x) {
if (ci->bg == bg)
redundant = 1;
continue;
}
break;
case TEXT:
if (ci->x < x)
continue;
break;
}
items++;
size += ci->used;
TAILQ_REMOVE(&ctx->list[y].items, ci, entry);
free(ci);
}
ctx->skipped += size;
log_debug("%s: dropped %u items (%zu bytes) (line %u)", __func__, items,
size, y);
return (redundant);
}
/* Clear part of a collected line. */
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
static void
screen_write_collect_clear(struct screen_write_ctx *ctx, u_int y, u_int n)
{
struct screen_write_collect_item *ci, *tmp;
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
u_int i, items;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
size_t size;
Pass target client and session to load_cfg from source-file so formats work. Reported by Thomas Sattler.
2019-04-18 11:07:28 +00:00
for (i = y; i < y + n; i++) {
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
if (TAILQ_EMPTY(&ctx->list[i].items))
continue;
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
items = 0;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
size = 0;
TAILQ_FOREACH_SAFE(ci, &ctx->list[i].items, entry, tmp) {
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
items++;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
size += ci->used;
TAILQ_REMOVE(&ctx->list[i].items, ci, entry);
free(ci);
}
ctx->skipped += size;
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
log_debug("%s: dropped %u items (%zu bytes) (line %u)",
__func__, items, size, y);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
}
}
/* Scroll collected lines up. */
static void
screen_write_collect_scroll(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct screen_write_collect_line *cl;
u_int y;
Scrolling at least needs to be flushed before sending EL to the terminal (but it is simpler to flush everything, so do that instead).
2017-02-21 10:30:15 +00:00
log_debug("%s: at %u,%u (region %u-%u)", __func__, s->cx, s->cy,
s->rupper, s->rlower);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
screen_write_collect_clear(ctx, s->rupper, 1);
for (y = s->rupper; y < s->rlower; y++) {
cl = &ctx->list[y + 1];
TAILQ_CONCAT(&ctx->list[y].items, &cl->items, entry);
}
}
/* Flush collected lines. */
static void
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(struct screen_write_ctx *ctx, int scroll_only,
const char *from)
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
{
struct screen *s = ctx->s;
struct screen_write_collect_item *ci, *tmp;
Need to flush before writing out cells we are not collecting, also add some extra logging.
2017-03-07 13:48:28 +00:00
u_int y, cx, cy, items = 0;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
struct tty_ctx ttyctx;
Need to flush before writing out cells we are not collecting, also add some extra logging.
2017-03-07 13:48:28 +00:00
size_t written = 0;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
Add support for scroll up escape sequence (CSI S) and use it when possible instead of sending individual line feeds.
2017-02-08 17:31:09 +00:00
if (ctx->scrolled != 0) {
log_debug("%s: scrolled %u (region %u-%u)", __func__,
ctx->scrolled, s->rupper, s->rlower);
if (ctx->scrolled > s->rlower - s->rupper + 1)
ctx->scrolled = s->rlower - s->rupper + 1;
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Add support for scroll up escape sequence (CSI S) and use it when possible instead of sending individual line feeds.
2017-02-08 17:31:09 +00:00
ttyctx.num = ctx->scrolled;
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
ttyctx.bg = ctx->bg;
Add support for scroll up escape sequence (CSI S) and use it when possible instead of sending individual line feeds.
2017-02-08 17:31:09 +00:00
tty_write(tty_cmd_scrollup, &ttyctx);
}
ctx->scrolled = 0;
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
ctx->bg = 8;
When an ordinary (not collected) cell is received, we need to flush any delayed scrolling before drawing it.
2017-02-09 09:33:15 +00:00
if (scroll_only)
return;
Add support for scroll up escape sequence (CSI S) and use it when possible instead of sending individual line feeds.
2017-02-08 17:31:09 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
cx = s->cx; cy = s->cy;
for (y = 0; y < screen_size_y(s); y++) {
There is no point allocating a new item and putting it on the list when the whole line is cleared line, there is never any point in doing it more than once. Instead store the background colour alone.
2020-04-17 15:44:58 +00:00
if (ctx->list[y].bg != 0) {
screen_write_set_cursor(ctx, 0, y);
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.bg = ctx->list[y].bg - 1;
tty_write(tty_cmd_clearline, &ttyctx);
}
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
TAILQ_FOREACH_SAFE(ci, &ctx->list[y].items, entry, tmp) {
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, ci->x, y);
There is no point allocating a new item and putting it on the list when the whole line is cleared line, there is never any point in doing it more than once. Instead store the background colour alone.
2020-04-17 15:44:58 +00:00
if (ci->type == CLEAR_END) {
Return to sending sync around clears.
2020-04-16 21:46:43 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
ttyctx.bg = ci->bg;
tty_write(tty_cmd_clearendofline, &ttyctx);
} else if (ci->type == CLEAR_START) {
Return to sending sync around clears.
2020-04-16 21:46:43 +00:00
screen_write_initctx(ctx, &ttyctx, 1);
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
ttyctx.bg = ci->bg;
tty_write(tty_cmd_clearstartofline, &ttyctx);
} else {
Return to sending sync around clears.
2020-04-16 21:46:43 +00:00
screen_write_initctx(ctx, &ttyctx, 0);
Collect up line clears like text within the available data so we don't need to flush everything.
2020-04-16 20:32:51 +00:00
ttyctx.cell = &ci->gc;
ttyctx.wrapped = ci->wrapped;
ttyctx.ptr = ci->data;
ttyctx.num = ci->used;
tty_write(tty_cmd_cells, &ttyctx);
}
Need to flush before writing out cells we are not collecting, also add some extra logging.
2017-03-07 13:48:28 +00:00
items++;
written += ci->used;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
TAILQ_REMOVE(&ctx->list[y].items, ci, entry);
free(ci);
}
}
s->cx = cx; s->cy = cy;
Need to flush before writing out cells we are not collecting, also add some extra logging.
2017-03-07 13:48:28 +00:00
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
log_debug("%s: flushed %u items (%zu bytes) (%s)", __func__, items,
written, from);
Need to flush before writing out cells we are not collecting, also add some extra logging.
2017-03-07 13:48:28 +00:00
ctx->written += written;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
}
/* Finish and store collected cells. */
void
screen_write_collect_end(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct screen_write_collect_item *ci = ctx->item;
struct grid_cell gc;
When writing batches of characters to the screen, we need to clear padding or later UTF-8 characters could be displayed incorrectly. GitHub issue 1090.
2017-10-05 08:12:24 +00:00
u_int xx;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
if (ci->used == 0)
return;
ci->data[ci->used] = '\0';
ci->x = s->cx;
TAILQ_INSERT_TAIL(&ctx->list[s->cy].items, ci, entry);
ctx->item = xcalloc(1, sizeof *ctx->item);
log_debug("%s: %u %s (at %u,%u)", __func__, ci->used, ci->data, s->cx,
s->cy);
When writing batches of characters to the screen, we need to clear padding or later UTF-8 characters could be displayed incorrectly. GitHub issue 1090.
2017-10-05 08:12:24 +00:00
if (s->cx != 0) {
for (xx = s->cx; xx > 0; xx--) {
grid_view_get_cell(s->grid, xx, s->cy, &gc);
if (~gc.flags & GRID_FLAG_PADDING)
break;
Do not collect top-bit-set characters in case they need to be replaced.
2018-01-12 16:43:47 +00:00
grid_view_set_cell(s->grid, xx, s->cy,
&grid_default_cell);
When writing batches of characters to the screen, we need to clear padding or later UTF-8 characters could be displayed incorrectly. GitHub issue 1090.
2017-10-05 08:12:24 +00:00
}
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
if (gc.data.width > 1) {
Do not collect top-bit-set characters in case they need to be replaced.
2018-01-12 16:43:47 +00:00
grid_view_set_cell(s->grid, xx, s->cy,
&grid_default_cell);
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
}
When writing batches of characters to the screen, we need to clear padding or later UTF-8 characters could be displayed incorrectly. GitHub issue 1090.
2017-10-05 08:12:24 +00:00
}
Some minor performance improvements - most notably, don't search the input state table if the next character matches the same state as before.
2019-09-24 20:44:58 +00:00
grid_view_set_cells(s->grid, s->cx, s->cy, &ci->gc, ci->data, ci->used);
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
screen_write_set_cursor(ctx, s->cx + ci->used, -1);
When writing batches of characters to the screen, we need to clear padding or later UTF-8 characters could be displayed incorrectly. GitHub issue 1090.
2017-10-05 08:12:24 +00:00
for (xx = s->cx; xx < screen_size_x(s); xx++) {
grid_view_get_cell(s->grid, xx, s->cy, &gc);
if (~gc.flags & GRID_FLAG_PADDING)
break;
grid_view_set_cell(s->grid, xx, s->cy, &grid_default_cell);
}
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
}
/* Write cell data, collecting if necessary. */
void
screen_write_collect_add(struct screen_write_ctx *ctx,
const struct grid_cell *gc)
{
struct screen *s = ctx->s;
struct screen_write_collect_item *ci;
u_int sx = screen_size_x(s);
int collect;
/*
* Don't need to check that the attributes and whatnot are still the
Need to flush before writing out cells we are not collecting, also add some extra logging.
2017-03-07 13:48:28 +00:00
* same - input_parse will end the collection when anything that isn't
Some minor performance improvements - most notably, don't search the input state table if the next character matches the same state as before.
2019-09-24 20:44:58 +00:00
* a plain character is encountered.
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
*/
collect = 1;
Do not collect top-bit-set characters in case they need to be replaced.
2018-01-12 16:43:47 +00:00
if (gc->data.width != 1 || gc->data.size != 1 || *gc->data.data >= 0x7f)
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
collect = 0;
else if (gc->attr & GRID_ATTR_CHARSET)
collect = 0;
else if (~s->mode & MODE_WRAP)
collect = 0;
else if (s->mode & MODE_INSERT)
collect = 0;
Move struct screen_sel into screen.c and tidy up members that are only used by copy mode.
2018-07-31 11:49:26 +00:00
else if (s->sel != NULL)
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
collect = 0;
if (!collect) {
screen_write_collect_end(ctx);
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
screen_write_cell(ctx, gc);
return;
}
ctx->cells++;
if (s->cx > sx - 1 || ctx->item->used > sx - 1 - s->cx)
screen_write_collect_end(ctx);
Make full width panes try to play more nicely with terminal copy and paste by avoiding explicit line wraps if we think the terminal will wrap anyway.
2017-04-25 18:30:29 +00:00
ci = ctx->item; /* may have changed */
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
if (s->cx > sx - 1) {
Scrolling at least needs to be flushed before sending EL to the terminal (but it is simpler to flush everything, so do that instead).
2017-02-21 10:30:15 +00:00
log_debug("%s: wrapped at %u,%u", __func__, s->cx, s->cy);
Make full width panes try to play more nicely with terminal copy and paste by avoiding explicit line wraps if we think the terminal will wrap anyway.
2017-04-25 18:30:29 +00:00
ci->wrapped = 1;
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
screen_write_linefeed(ctx, 1, 8);
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
screen_write_set_cursor(ctx, 0, -1);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
}
if (ci->used == 0)
memcpy(&ci->gc, gc, sizeof ci->gc);
ci->data[ci->used++] = gc->data.data[0];
if (ci->used == (sizeof ci->data) - 1)
screen_write_collect_end(ctx);
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* Write cell data. */
void
Rather than having two grids for each pane, one for ASCII and one for UTF-8, collapse the two together. Simplifies the code at the expense of more memory (which can probably be reduced again later).
2013-01-18 02:16:21 +00:00
screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
struct grid *gd = s->grid;
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
struct grid_line *gl;
struct grid_cell_entry *gce;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
struct grid_cell tmp_gc, now_gc;
struct tty_ctx ttyctx;
u_int sx = screen_size_x(s), sy = screen_size_y(s);
When redrawing a combined UTF-8 characters in its existing position, need to save and restore the cursor so that the next character goes into the right place.
2017-03-06 09:02:36 +00:00
u_int width = gc->data.width, xx, last, cx, cy;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
int selected, skip = 1;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
/* Ignore padding cells. */
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (gc->flags & GRID_FLAG_PADDING)
return;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
ctx->cells++;
Don't print wide characters at screen width - 1. Matches uterm behaviour and is probably a better idea anyway.
2009-10-17 08:32:18 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
/* If the width is zero, combine onto the previous character. */
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (width == 0) {
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
Only redraw the modified character when adding combining characters, not the whole line.
2017-02-06 13:23:00 +00:00
if ((gc = screen_write_combine(ctx, &gc->data, &xx)) != 0) {
When redrawing a combined UTF-8 characters in its existing position, need to save and restore the cursor so that the next character goes into the right place.
2017-03-06 09:02:36 +00:00
cx = s->cx; cy = s->cy;
Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.
2019-03-12 07:39:27 +00:00
screen_write_set_cursor(ctx, xx, s->cy);
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 0);
Only redraw the modified character when adding combining characters, not the whole line.
2017-02-06 13:23:00 +00:00
ttyctx.cell = gc;
tty_write(tty_cmd_cell, &ttyctx);
When redrawing a combined UTF-8 characters in its existing position, need to save and restore the cursor so that the next character goes into the right place.
2017-03-06 09:02:36 +00:00
s->cx = cx; s->cy = cy;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
return;
}
Combining characters need a full flush.
2017-02-09 10:09:14 +00:00
/* Flush any existing scrolling. */
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 1, __func__);
Combining characters need a full flush.
2017-02-09 10:09:14 +00:00
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
/* If this character doesn't fit, ignore it. */
if ((~s->mode & MODE_WRAP) &&
width > 1 &&
(width > sx || (s->cx != sx && s->cx > sx - width)))
return;
Support insert mode by using insert character to shift the cells before writing as normal.
2009-06-03 23:37:30 +00:00
/* If in insert mode, make space for the cells. */
Fix a couple of problems with insert mode: flush dirty cells before we modify the screen, not after; and use grid_view_insert_cells to make space not grid_move_cells.
2016-10-12 15:43:51 +00:00
if (s->mode & MODE_INSERT) {
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
grid_view_insert_cells(s->grid, s->cx, s->cy, width, 8);
skip = 0;
}
Support insert mode by using insert character to shift the cells before writing as normal.
2009-06-03 23:37:30 +00:00
Add a flags member to the grid_line struct and use it to differentiate lines wrapped at the screen edge from those terminated by a newline. Then use this when copying to combine wrapped lines together into one.
2009-08-08 15:57:49 +00:00
/* Check this will fit on the current line and wrap if not. */
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
if ((s->mode & MODE_WRAP) && s->cx > sx - width) {
Need to flush out the linefeed after wrapper. GitHub issue 970.
2017-06-12 10:57:35 +00:00
log_debug("%s: wrapped at %u,%u", __func__, s->cx, s->cy);
Scrolling needs to use background colour.
2017-05-12 13:00:56 +00:00
screen_write_linefeed(ctx, 1, 8);
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
screen_write_set_cursor(ctx, 0, -1);
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 1, __func__);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Implement DECAWM (SM/RM 7) using existing MODE_WRAP flag.
2013-03-22 10:36:53 +00:00
/* Sanity check cursor position. */
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
if (s->cx > sx - width || s->cy > sy - 1)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
return;
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 0);
Trying to avoid the occasional newline by saving the last cell on screen is not actually helping us much and just adds complexity, so don't bother.
2017-02-08 08:50:10 +00:00
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* Handle overwriting of UTF-8 characters. */
Add accessors for grid linedata member, for some future work. From Dan Aloni.
2018-07-04 09:44:07 +00:00
gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
if (gl->flags & GRID_LINE_EXTENDED) {
grid_view_get_cell(gd, s->cx, s->cy, &now_gc);
if (screen_write_overwrite(ctx, &now_gc, width))
skip = 0;
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/*
* If the new character is UTF-8 wide, fill in padding cells. Have
* already ensured there is enough room.
*/
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
for (xx = s->cx + 1; xx < s->cx + width; xx++) {
When writing batches of characters to the screen, we need to clear padding or later UTF-8 characters could be displayed incorrectly. GitHub issue 1090.
2017-10-05 08:12:24 +00:00
log_debug("%s: new padding at %u,%u", __func__, xx, s->cy);
Padding cell is always the same so use a static.
2016-05-27 23:06:12 +00:00
grid_view_set_cell(gd, xx, s->cy, &screen_write_pad_cell);
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
skip = 0;
}
/* If no change, do not draw. */
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
if (skip) {
if (s->cx >= gl->cellsize)
skip = grid_cells_equal(gc, &grid_default_cell);
else {
gce = &gl->celldata[s->cx];
if (gce->flags & GRID_FLAG_EXTENDED)
skip = 0;
Wrap some long lines in screen-write.c.
2016-10-05 12:36:36 +00:00
else if (gc->flags != gce->flags)
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
skip = 0;
else if (gc->attr != gce->data.attr)
skip = 0;
else if (gc->fg != gce->data.fg)
skip = 0;
else if (gc->bg != gce->data.bg)
skip = 0;
Wrap some long lines in screen-write.c.
2016-10-05 12:36:36 +00:00
else if (gc->data.width != 1)
skip = 0;
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
else if (gc->data.size != 1)
skip = 0;
Wrap some long lines in screen-write.c.
2016-10-05 12:36:36 +00:00
else if (gce->data.data != gc->data.data[0])
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
skip = 0;
}
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Typo/style; plus man page escaping from jmc.
2017-06-04 08:02:20 +00:00
/* Update the selected flag and set the cell. */
Cache selected state so that cells going from selected to unselected are not skipped, reported by Omar Sandoval.
2016-06-06 07:28:52 +00:00
selected = screen_check_selection(s, s->cx, s->cy);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
if (selected && (~gc->flags & GRID_FLAG_SELECTED)) {
Cache selected state so that cells going from selected to unselected are not skipped, reported by Omar Sandoval.
2016-06-06 07:28:52 +00:00
memcpy(&tmp_gc, gc, sizeof tmp_gc);
tmp_gc.flags |= GRID_FLAG_SELECTED;
grid_view_set_cell(gd, s->cx, s->cy, &tmp_gc);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
} else if (!selected && (gc->flags & GRID_FLAG_SELECTED)) {
Cache selected state so that cells going from selected to unselected are not skipped, reported by Omar Sandoval.
2016-06-06 07:28:52 +00:00
memcpy(&tmp_gc, gc, sizeof tmp_gc);
tmp_gc.flags &= ~GRID_FLAG_SELECTED;
grid_view_set_cell(gd, s->cx, s->cy, &tmp_gc);
} else if (!skip)
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
grid_view_set_cell(gd, s->cx, s->cy, gc);
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
if (selected)
skip = 0;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Implement DECAWM (SM/RM 7) using existing MODE_WRAP flag.
2013-03-22 10:36:53 +00:00
/*
* Move the cursor. If not wrapping, stick at the last character and
* replace it.
*/
Unbreak line wrapping.
2013-03-22 10:41:01 +00:00
last = !(s->mode & MODE_WRAP);
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
if (s->cx <= sx - last - width)
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
screen_write_set_cursor(ctx, s->cx + width, -1);
Implement DECAWM (SM/RM 7) using existing MODE_WRAP flag.
2013-03-22 10:36:53 +00:00
else
Support for windows larger than visible on the attached client. This has been a limitation for a long time. There are two new options, window-size and default-size, and a new command, resize-window. The force-width and force-height options and the session_width and session_height formats have been removed. The new window-size option tells tmux how to work out the size of windows: largest means it picks the size of the largest session, smallest the smallest session (similar to the old behaviour) and manual means that it does not automatically resize windows. The default is currently largest but this may change. aggressive-resize modifies the choice of session for largest and smallest as it did before. If a window is in a session attached to a client that is too small, only part of the window is shown. tmux attempts to keep the cursor visible, so the part of the window displayed is changed as the cursor moves (with a small delay, to try and avoid excess redrawing when applications redraw status lines or similar that are not currently visible). The offset of the visible portion of the window is shown in status-right. Drawing windows which are larger than the client is not as efficient as those which fit, particularly when the cursor moves, so it is recommended to avoid using this on slow machines or networks (set window-size to smallest or manual). The resize-window command can be used to resize a window manually. If it is used, the window-size option is automatically set to manual for the window (undo this with "setw -u window-size"). resize-window works in a similar way to resize-pane (-U -D -L -R -x -y flags) but also has -a and -A flags. -a sets the window to the size of the smallest client (what it would be if window-size was smallest) and -A the largest. For the same behaviour as force-width or force-height, use resize-window -x or -y, and "setw -u window-size" to revert to automatic sizing.. If the global window-size option is set to manual, the default-size option is used for new windows. If -x or -y is used with new-session, that sets the default-size option for the new session. The maximum size of a window is 10000x10000. But expect applications to complain and much higher memory use if making a window excessively big. The minimum size is the size required for the current layout including borders. The refresh-client command can be used to pan around a window, -U -D -L -R moves up, down, left or right and -c returns to automatic cursor tracking. The position is reset when the current window is changed.
2018-10-18 08:38:01 +00:00
screen_write_set_cursor(ctx, sx - last, -1);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
/* Create space for character in insert mode. */
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
if (s->mode & MODE_INSERT) {
Log what caused a flush for better visibility on what could be improved.
2020-04-16 17:24:28 +00:00
screen_write_collect_flush(ctx, 0, __func__);
More tty code tidying: move the saved cursor/region position (from before the screen was updated) out of struct screen and into struct tty_ctx.
2009-07-22 20:53:38 +00:00
ttyctx.num = width;
tty_write(tty_cmd_insertcharacter, &ttyctx);
}
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
/* Write to the screen. */
Collect sequences of printable ASCII characters and process them together instead of handling them one by one. This is significantly faster. Sequences are terminated when we reach the end of the line, fill the internal buffer, or a different character is seen by the input parser (an escape sequence, or UTF-8). Rather than writing collected sequences out immediately, hold them until it is necessary (another screen modification, or we consume all available data). This means we can discard changes that would have no effect (for example, lines that would just be scrolled off the screen or cleared). This reduces the total amount of data we write out to the terminal - not important for fast terminals, but a big help with slow (like xterm).
2017-02-08 16:45:18 +00:00
if (!skip) {
if (selected) {
screen_select_cell(s, &tmp_gc, gc);
ttyctx.cell = &tmp_gc;
} else
ttyctx.cell = gc;
enum tty_cmd is only used as an index into the array of command function pointers, so remove it and use the function pointers directly to represent themselves.
2009-07-22 18:02:23 +00:00
tty_write(tty_cmd_cell, &ttyctx);
Don't update cells in each block of data read from a pane immediately, instead track them as change (dirty) and update them once at the end, saves much time if repeatedly writing the same cell. Also fix comparison of cells being equal in a few places (memcmp is not enough).
2016-07-15 00:49:08 +00:00
ctx->written++;
} else
ctx->skipped++;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
UTF-8 combined character fixes. Thai can have treble combinations (1 x width=1 then 2 x width=0) so bump the UTF-8 cell data size to 9 and alter the code to allow this. Also break off the combining code into a separate function, handle any further combining beyond the buffer size by replacing the character with _s, and when redrawing the UTF-8 character don't assume the first part has just been printed, redraw the entire line.
2009-10-20 17:33:33 +00:00
/* Combine a UTF-8 zero-width character onto the previous. */
Only redraw the modified character when adding combining characters, not the whole line.
2017-02-06 13:23:00 +00:00
static const struct grid_cell *
screen_write_combine(struct screen_write_ctx *ctx, const struct utf8_data *ud,
u_int *xx)
UTF-8 combined character fixes. Thai can have treble combinations (1 x width=1 then 2 x width=0) so bump the UTF-8 cell data size to 9 and alter the code to allow this. Also break off the combining code into a separate function, handle any further combining beyond the buffer size by replacing the character with _s, and when redrawing the UTF-8 character don't assume the first part has just been printed, redraw the entire line.
2009-10-20 17:33:33 +00:00
{
struct screen *s = ctx->s;
struct grid *gd = s->grid;
Only redraw the modified character when adding combining characters, not the whole line.
2017-02-06 13:23:00 +00:00
static struct grid_cell gc;
u_int n;
UTF-8 combined character fixes. Thai can have treble combinations (1 x width=1 then 2 x width=0) so bump the UTF-8 cell data size to 9 and alter the code to allow this. Also break off the combining code into a separate function, handle any further combining beyond the buffer size by replacing the character with _s, and when redrawing the UTF-8 character don't assume the first part has just been printed, redraw the entire line.
2009-10-20 17:33:33 +00:00
/* Can't combine if at 0. */
if (s->cx == 0)
Only redraw the modified character when adding combining characters, not the whole line.
2017-02-06 13:23:00 +00:00
return (NULL);
UTF-8 combined character fixes. Thai can have treble combinations (1 x width=1 then 2 x width=0) so bump the UTF-8 cell data size to 9 and alter the code to allow this. Also break off the combining code into a separate function, handle any further combining beyond the buffer size by replacing the character with _s, and when redrawing the UTF-8 character don't assume the first part has just been printed, redraw the entire line.
2009-10-20 17:33:33 +00:00
Rather than having two grids for each pane, one for ASCII and one for UTF-8, collapse the two together. Simplifies the code at the expense of more memory (which can probably be reduced again later).
2013-01-18 02:16:21 +00:00
/* Empty data is out. */
if (ud->size == 0)
Add an explicit zero-length check for UTF-8 input data, prompted by a report from parfait via deraadt. While here, add a statement to set the width when filling with _s if not enough space (width should never be high enough at the moment anyway), and wrap some long lines.
2009-11-11 18:53:21 +00:00
fatalx("UTF-8 data empty");
Rather than having two grids for each pane, one for ASCII and one for UTF-8, collapse the two together. Simplifies the code at the expense of more memory (which can probably be reduced again later).
2013-01-18 02:16:21 +00:00
/* Retrieve the previous cell. */
Fix UTF-8 combining characters in column 0, based on a diff from Keith Winstein.
2017-04-29 21:27:46 +00:00
for (n = 1; n <= s->cx; n++) {
Only redraw the modified character when adding combining characters, not the whole line.
2017-02-06 13:23:00 +00:00
grid_view_get_cell(gd, s->cx - n, s->cy, &gc);
if (~gc.flags & GRID_FLAG_PADDING)
break;
}
Fix UTF-8 combining characters in column 0, based on a diff from Keith Winstein.
2017-04-29 21:27:46 +00:00
if (n > s->cx)
Only redraw the modified character when adding combining characters, not the whole line.
2017-02-06 13:23:00 +00:00
return (NULL);
*xx = s->cx - n;
UTF-8 combined character fixes. Thai can have treble combinations (1 x width=1 then 2 x width=0) so bump the UTF-8 cell data size to 9 and alter the code to allow this. Also break off the combining code into a separate function, handle any further combining beyond the buffer size by replacing the character with _s, and when redrawing the UTF-8 character don't assume the first part has just been printed, redraw the entire line.
2009-10-20 17:33:33 +00:00
Rather than having two grids for each pane, one for ASCII and one for UTF-8, collapse the two together. Simplifies the code at the expense of more memory (which can probably be reduced again later).
2013-01-18 02:16:21 +00:00
/* Check there is enough space. */
Long overdue change to the way we store cells in the grid: now, instead of storing a full grid_cell with UTF-8 data and everything, store a new type grid_cell_entry. This can either be the cell itself (for ASCII cells), or an offset into an extended array (per line) for UTF-8 data. This avoid a large (8 byte) overhead on non-UTF-8 cells (by far the majority for most users) without the complexity of the shadow array we had before. Grid memory without any UTF-8 is about half. The disadvantage that cells can no longer be modified in place and need to be copied out of the grid and back but it turned out to be lot less complicated than I expected.
2015-11-13 08:09:28 +00:00
if (gc.data.size + ud->size > sizeof gc.data.data)
Only redraw the modified character when adding combining characters, not the whole line.
2017-02-06 13:23:00 +00:00
return (NULL);
log_debug("%s: %.*s onto %.*s at %u,%u", __func__, (int)ud->size,
ud->data, (int)gc.data.size, gc.data.data, *xx, s->cy);
UTF-8 combined character fixes. Thai can have treble combinations (1 x width=1 then 2 x width=0) so bump the UTF-8 cell data size to 9 and alter the code to allow this. Also break off the combining code into a separate function, handle any further combining beyond the buffer size by replacing the character with _s, and when redrawing the UTF-8 character don't assume the first part has just been printed, redraw the entire line.
2009-10-20 17:33:33 +00:00
Long overdue change to the way we store cells in the grid: now, instead of storing a full grid_cell with UTF-8 data and everything, store a new type grid_cell_entry. This can either be the cell itself (for ASCII cells), or an offset into an extended array (per line) for UTF-8 data. This avoid a large (8 byte) overhead on non-UTF-8 cells (by far the majority for most users) without the complexity of the shadow array we had before. Grid memory without any UTF-8 is about half. The disadvantage that cells can no longer be modified in place and need to be copied out of the grid and back but it turned out to be lot less complicated than I expected.
2015-11-13 08:09:28 +00:00
/* Append the data. */
memcpy(gc.data.data + gc.data.size, ud->data, ud->size);
gc.data.size += ud->size;
/* Set the new cell. */
Only redraw the modified character when adding combining characters, not the whole line.
2017-02-06 13:23:00 +00:00
grid_view_set_cell(gd, *xx, s->cy, &gc);
UTF-8 combined character fixes. Thai can have treble combinations (1 x width=1 then 2 x width=0) so bump the UTF-8 cell data size to 9 and alter the code to allow this. Also break off the combining code into a separate function, handle any further combining beyond the buffer size by replacing the character with _s, and when redrawing the UTF-8 character don't assume the first part has just been printed, redraw the entire line.
2009-10-20 17:33:33 +00:00
Only redraw the modified character when adding combining characters, not the whole line.
2017-02-06 13:23:00 +00:00
return (&gc);
UTF-8 combined character fixes. Thai can have treble combinations (1 x width=1 then 2 x width=0) so bump the UTF-8 cell data size to 9 and alter the code to allow this. Also break off the combining code into a separate function, handle any further combining beyond the buffer size by replacing the character with _s, and when redrawing the UTF-8 character don't assume the first part has just been printed, redraw the entire line.
2009-10-20 17:33:33 +00:00
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/*
* UTF-8 wide characters are a bit of an annoyance. They take up more than one
* cell on the screen, so following cells must not be drawn by marking them as
* padding.
*
* So far, so good. The problem is, when overwriting a padding cell, or a UTF-8
* character, it is necessary to also overwrite any other cells which covered
* by the same character.
*/
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
static int
screen_write_overwrite(struct screen_write_ctx *ctx, struct grid_cell *gc,
u_int width)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
{
struct screen *s = ctx->s;
struct grid *gd = s->grid;
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
struct grid_cell tmp_gc;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
u_int xx;
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
int done = 0;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
if (gc->flags & GRID_FLAG_PADDING) {
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/*
* A padding cell, so clear any following and leading padding
* cells back to the character. Don't overwrite the current
* cell as that happens later anyway.
*/
xx = s->cx + 1;
while (--xx > 0) {
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
grid_view_get_cell(gd, xx, s->cy, &tmp_gc);
if (~tmp_gc.flags & GRID_FLAG_PADDING)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
break;
When writing batches of characters to the screen, we need to clear padding or later UTF-8 characters could be displayed incorrectly. GitHub issue 1090.
2017-10-05 08:12:24 +00:00
log_debug("%s: padding at %u,%u", __func__, xx, s->cy);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
}
/* Overwrite the character at the start of this padding. */
When writing batches of characters to the screen, we need to clear padding or later UTF-8 characters could be displayed incorrectly. GitHub issue 1090.
2017-10-05 08:12:24 +00:00
log_debug("%s: character at %u,%u", __func__, xx, s->cy);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
done = 1;
Ensure we overwrite UTF-8 wide characters properly, and never overwrite characters we weren't overlapping. Fixes "disappearing wide characters" glitch. From Micah Cowan.
2010-06-21 00:11:12 +00:00
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Ensure we overwrite UTF-8 wide characters properly, and never overwrite characters we weren't overlapping. Fixes "disappearing wide characters" glitch. From Micah Cowan.
2010-06-21 00:11:12 +00:00
/*
Wrap some long lines in screen-write.c.
2016-10-05 12:36:36 +00:00
* Overwrite any padding cells that belong to any UTF-8 characters
* we'll be overwriting with the current character.
Ensure we overwrite UTF-8 wide characters properly, and never overwrite characters we weren't overlapping. Fixes "disappearing wide characters" glitch. From Micah Cowan.
2010-06-21 00:11:12 +00:00
*/
Wrap some long lines in screen-write.c.
2016-10-05 12:36:36 +00:00
if (width != 1 ||
gc->data.width != 1 ||
gc->flags & GRID_FLAG_PADDING) {
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
xx = s->cx + width - 1;
while (++xx < screen_size_x(s)) {
grid_view_get_cell(gd, xx, s->cy, &tmp_gc);
if (~tmp_gc.flags & GRID_FLAG_PADDING)
break;
Parse out DA features.
2019-11-28 10:17:22 +00:00
log_debug("%s: overwrite at %u,%u", __func__, xx,
s->cy);
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
done = 1;
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Do not draw character to screen if it has not changed, and do not save last character if it won't be used. This (and last few commits) prompted by a report from Hubert depesz Lubaczewski.
2016-05-30 09:32:24 +00:00
return (done);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Support passing through escape sequences to the underlying terminal by using DCS with a "tmux;" prefix. Escape characters in the sequences must be doubled. For example: $ printf '\033Ptmux;\033\033]12;red\007\033\\' Will pass \033]12;red\007 to the terminal (and change the cursor colour in xterm). From Kevin Goodsell.
2011-03-07 23:46:27 +00:00
Some other tidying bits.
2017-02-08 15:49:29 +00:00
/* Set external clipboard. */
Support setting the xterm clipboard when copying from copy mode using the xterm escape sequence for the purpose (if xterm is configured to allow it). Written by and much discussed Ailin Nemui, guidance on xterm/termcap/terminfo from Thomas Dickey.
2011-05-18 20:24:29 +00:00
void
screen_write_setselection(struct screen_write_ctx *ctx, u_char *str, u_int len)
{
struct tty_ctx ttyctx;
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 0);
Support setting the xterm clipboard when copying from copy mode using the xterm escape sequence for the purpose (if xterm is configured to allow it). Written by and much discussed Ailin Nemui, guidance on xterm/termcap/terminfo from Thomas Dickey.
2011-05-18 20:24:29 +00:00
ttyctx.ptr = str;
ttyctx.num = len;
tty_write(tty_cmd_setselection, &ttyctx);
}
Some other tidying bits.
2017-02-08 15:49:29 +00:00
/* Write unmodified string. */
Support passing through escape sequences to the underlying terminal by using DCS with a "tmux;" prefix. Escape characters in the sequences must be doubled. For example: $ printf '\033Ptmux;\033\033]12;red\007\033\\' Will pass \033]12;red\007 to the terminal (and change the cursor colour in xterm). From Kevin Goodsell.
2011-03-07 23:46:27 +00:00
void
screen_write_rawstring(struct screen_write_ctx *ctx, u_char *str, u_int len)
{
Break the save-last-cell code into a separate function (so it can be called conditionally later).
2016-05-27 23:02:17 +00:00
struct tty_ctx ttyctx;
Support passing through escape sequences to the underlying terminal by using DCS with a "tmux;" prefix. Escape characters in the sequences must be doubled. For example: $ printf '\033Ptmux;\033\033]12;red\007\033\\' Will pass \033]12;red\007 to the terminal (and change the cursor colour in xterm). From Kevin Goodsell.
2011-03-07 23:46:27 +00:00
Only start and stop sync for operations like clear and scroll where there is a better chance more data will be on the way.
2020-04-16 16:13:56 +00:00
screen_write_initctx(ctx, &ttyctx, 0);
Support passing through escape sequences to the underlying terminal by using DCS with a "tmux;" prefix. Escape characters in the sequences must be doubled. For example: $ printf '\033Ptmux;\033\033]12;red\007\033\\' Will pass \033]12;red\007 to the terminal (and change the cursor colour in xterm). From Kevin Goodsell.
2011-03-07 23:46:27 +00:00
ttyctx.ptr = str;
ttyctx.num = len;
tty_write(tty_cmd_rawstring, &ttyctx);
}
Reference in New Issue Copy Permalink