mirror of
https://github.com/tmux/tmux.git
synced 2024-11-15 08:58:54 +00:00
90dba3ec66
they finish, GitHub issue 1852.
628 lines
16 KiB
C
628 lines
16 KiB
C
/* $OpenBSD$ */
|
|
|
|
/*
|
|
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
|
|
*
|
|
* 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>
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
static void screen_redraw_draw_borders(struct screen_redraw_ctx *);
|
|
static void screen_redraw_draw_panes(struct screen_redraw_ctx *);
|
|
static void screen_redraw_draw_status(struct screen_redraw_ctx *);
|
|
static void screen_redraw_draw_pane(struct screen_redraw_ctx *,
|
|
struct window_pane *);
|
|
|
|
#define CELL_INSIDE 0
|
|
#define CELL_LEFTRIGHT 1
|
|
#define CELL_TOPBOTTOM 2
|
|
#define CELL_TOPLEFT 3
|
|
#define CELL_TOPRIGHT 4
|
|
#define CELL_BOTTOMLEFT 5
|
|
#define CELL_BOTTOMRIGHT 6
|
|
#define CELL_TOPJOIN 7
|
|
#define CELL_BOTTOMJOIN 8
|
|
#define CELL_LEFTJOIN 9
|
|
#define CELL_RIGHTJOIN 10
|
|
#define CELL_JOIN 11
|
|
#define CELL_OUTSIDE 12
|
|
|
|
#define CELL_BORDERS " xqlkmjwvtun~"
|
|
|
|
/* Check if cell is on the border of a particular pane. */
|
|
static int
|
|
screen_redraw_cell_border1(struct window_pane *wp, u_int px, u_int py)
|
|
{
|
|
/* Inside pane. */
|
|
if (px >= wp->xoff && px < wp->xoff + wp->sx &&
|
|
py >= wp->yoff && py < wp->yoff + wp->sy)
|
|
return (0);
|
|
|
|
/* Left/right borders. */
|
|
if ((wp->yoff == 0 || py >= wp->yoff - 1) && py <= wp->yoff + wp->sy) {
|
|
if (wp->xoff != 0 && px == wp->xoff - 1)
|
|
return (1);
|
|
if (px == wp->xoff + wp->sx)
|
|
return (2);
|
|
}
|
|
|
|
/* Top/bottom borders. */
|
|
if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= wp->xoff + wp->sx) {
|
|
if (wp->yoff != 0 && py == wp->yoff - 1)
|
|
return (3);
|
|
if (py == wp->yoff + wp->sy)
|
|
return (4);
|
|
}
|
|
|
|
/* Outside pane. */
|
|
return (-1);
|
|
}
|
|
|
|
/* Check if a cell is on the pane border. */
|
|
static int
|
|
screen_redraw_cell_border(struct client *c, u_int px, u_int py)
|
|
{
|
|
struct window *w = c->session->curw->window;
|
|
struct window_pane *wp;
|
|
int retval;
|
|
|
|
/* Check all the panes. */
|
|
TAILQ_FOREACH(wp, &w->panes, entry) {
|
|
if (!window_pane_visible(wp))
|
|
continue;
|
|
if ((retval = screen_redraw_cell_border1(wp, px, py)) != -1)
|
|
return (!!retval);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* Check if cell inside a pane. */
|
|
static int
|
|
screen_redraw_check_cell(struct client *c, u_int px, u_int py, int pane_status,
|
|
struct window_pane **wpp)
|
|
{
|
|
struct window *w = c->session->curw->window;
|
|
struct window_pane *wp;
|
|
int borders;
|
|
u_int right, line;
|
|
|
|
*wpp = NULL;
|
|
|
|
if (px > w->sx || py > w->sy)
|
|
return (CELL_OUTSIDE);
|
|
|
|
if (pane_status != PANE_STATUS_OFF) {
|
|
TAILQ_FOREACH(wp, &w->panes, entry) {
|
|
if (!window_pane_visible(wp))
|
|
continue;
|
|
|
|
if (pane_status == PANE_STATUS_TOP)
|
|
line = wp->yoff - 1;
|
|
else
|
|
line = wp->yoff + wp->sy;
|
|
right = wp->xoff + 2 + wp->status_size - 1;
|
|
|
|
if (py == line && px >= wp->xoff + 2 && px <= right)
|
|
return (CELL_INSIDE);
|
|
}
|
|
}
|
|
|
|
TAILQ_FOREACH(wp, &w->panes, entry) {
|
|
if (!window_pane_visible(wp))
|
|
continue;
|
|
*wpp = wp;
|
|
|
|
/* If outside the pane and its border, skip it. */
|
|
if ((wp->xoff != 0 && px < wp->xoff - 1) ||
|
|
px > wp->xoff + wp->sx ||
|
|
(wp->yoff != 0 && py < wp->yoff - 1) ||
|
|
py > wp->yoff + wp->sy)
|
|
continue;
|
|
|
|
/* If definitely inside, return so. */
|
|
if (!screen_redraw_cell_border(c, px, py))
|
|
return (CELL_INSIDE);
|
|
|
|
/*
|
|
* Construct a bitmask of whether the cells to the left (bit
|
|
* 4), right, top, and bottom (bit 1) of this cell are borders.
|
|
*/
|
|
borders = 0;
|
|
if (px == 0 || screen_redraw_cell_border(c, px - 1, py))
|
|
borders |= 8;
|
|
if (px <= w->sx && screen_redraw_cell_border(c, px + 1, py))
|
|
borders |= 4;
|
|
if (pane_status == PANE_STATUS_TOP) {
|
|
if (py != 0 && screen_redraw_cell_border(c, px, py - 1))
|
|
borders |= 2;
|
|
} else {
|
|
if (py == 0 || screen_redraw_cell_border(c, px, py - 1))
|
|
borders |= 2;
|
|
}
|
|
if (py <= w->sy && screen_redraw_cell_border(c, px, py + 1))
|
|
borders |= 1;
|
|
|
|
/*
|
|
* Figure out what kind of border this cell is. Only one bit
|
|
* set doesn't make sense (can't have a border cell with no
|
|
* others connected).
|
|
*/
|
|
switch (borders) {
|
|
case 15: /* 1111, left right top bottom */
|
|
return (CELL_JOIN);
|
|
case 14: /* 1110, left right top */
|
|
return (CELL_BOTTOMJOIN);
|
|
case 13: /* 1101, left right bottom */
|
|
return (CELL_TOPJOIN);
|
|
case 12: /* 1100, left right */
|
|
return (CELL_TOPBOTTOM);
|
|
case 11: /* 1011, left top bottom */
|
|
return (CELL_RIGHTJOIN);
|
|
case 10: /* 1010, left top */
|
|
return (CELL_BOTTOMRIGHT);
|
|
case 9: /* 1001, left bottom */
|
|
return (CELL_TOPRIGHT);
|
|
case 7: /* 0111, right top bottom */
|
|
return (CELL_LEFTJOIN);
|
|
case 6: /* 0110, right top */
|
|
return (CELL_BOTTOMLEFT);
|
|
case 5: /* 0101, right bottom */
|
|
return (CELL_TOPLEFT);
|
|
case 3: /* 0011, top bottom */
|
|
return (CELL_LEFTRIGHT);
|
|
}
|
|
}
|
|
|
|
return (CELL_OUTSIDE);
|
|
}
|
|
|
|
/* Check if the border of a particular pane. */
|
|
static int
|
|
screen_redraw_check_is(u_int px, u_int py, int type, int pane_status,
|
|
struct window *w, struct window_pane *wantwp, struct window_pane *wp)
|
|
{
|
|
int border;
|
|
|
|
/* Is this off the active pane border? */
|
|
border = screen_redraw_cell_border1(wantwp, px, py);
|
|
if (border == 0 || border == -1)
|
|
return (0);
|
|
if (pane_status == PANE_STATUS_TOP && border == 4)
|
|
return (0);
|
|
if (pane_status == PANE_STATUS_BOTTOM && border == 3)
|
|
return (0);
|
|
|
|
/* If there are more than two panes, that's enough. */
|
|
if (window_count_panes(w) != 2)
|
|
return (1);
|
|
|
|
/* Else if the cell is not a border cell, forget it. */
|
|
if (wp == NULL || (type == CELL_OUTSIDE || type == CELL_INSIDE))
|
|
return (1);
|
|
|
|
/* With status lines mark the entire line. */
|
|
if (pane_status != PANE_STATUS_OFF)
|
|
return (1);
|
|
|
|
/* Check if the pane covers the whole width. */
|
|
if (wp->xoff == 0 && wp->sx == w->sx) {
|
|
/* This can either be the top pane or the bottom pane. */
|
|
if (wp->yoff == 0) { /* top pane */
|
|
if (wp == wantwp)
|
|
return (px <= wp->sx / 2);
|
|
return (px > wp->sx / 2);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/* Check if the pane covers the whole height. */
|
|
if (wp->yoff == 0 && wp->sy == w->sy) {
|
|
/* This can either be the left pane or the right pane. */
|
|
if (wp->xoff == 0) { /* left pane */
|
|
if (wp == wantwp)
|
|
return (py <= wp->sy / 2);
|
|
return (py > wp->sy / 2);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
return (1);
|
|
}
|
|
|
|
/* Update pane status. */
|
|
static int
|
|
screen_redraw_make_pane_status(struct client *c, struct window *w,
|
|
struct window_pane *wp)
|
|
{
|
|
struct grid_cell gc;
|
|
const char *fmt;
|
|
struct format_tree *ft;
|
|
char *expanded;
|
|
u_int width, i;
|
|
struct screen_write_ctx ctx;
|
|
struct screen old;
|
|
|
|
if (wp == w->active)
|
|
style_apply(&gc, w->options, "pane-active-border-style");
|
|
else
|
|
style_apply(&gc, w->options, "pane-border-style");
|
|
|
|
fmt = options_get_string(w->options, "pane-border-format");
|
|
|
|
ft = format_create(c, NULL, FORMAT_PANE|wp->id, FORMAT_STATUS);
|
|
format_defaults(ft, c, NULL, NULL, wp);
|
|
|
|
expanded = format_expand_time(ft, fmt);
|
|
if (wp->sx < 4)
|
|
wp->status_size = width = 0;
|
|
else
|
|
wp->status_size = width = wp->sx - 4;
|
|
|
|
memcpy(&old, &wp->status_screen, sizeof old);
|
|
screen_init(&wp->status_screen, width, 1, 0);
|
|
wp->status_screen.mode = 0;
|
|
|
|
screen_write_start(&ctx, NULL, &wp->status_screen);
|
|
|
|
gc.attr |= GRID_ATTR_CHARSET;
|
|
for (i = 0; i < width; i++)
|
|
screen_write_putc(&ctx, &gc, 'q');
|
|
gc.attr &= ~GRID_ATTR_CHARSET;
|
|
|
|
screen_write_cursormove(&ctx, 0, 0, 0);
|
|
format_draw(&ctx, &gc, width, expanded, NULL);
|
|
screen_write_stop(&ctx);
|
|
|
|
free(expanded);
|
|
format_free(ft);
|
|
|
|
if (grid_compare(wp->status_screen.grid, old.grid) == 0) {
|
|
screen_free(&old);
|
|
return (0);
|
|
}
|
|
screen_free(&old);
|
|
return (1);
|
|
}
|
|
|
|
/* Draw pane status. */
|
|
static void
|
|
screen_redraw_draw_pane_status(struct screen_redraw_ctx *ctx)
|
|
{
|
|
struct client *c = ctx->c;
|
|
struct window *w = c->session->curw->window;
|
|
struct tty *tty = &c->tty;
|
|
struct window_pane *wp;
|
|
struct screen *s;
|
|
u_int i, x, width, xoff, yoff, size;
|
|
|
|
log_debug("%s: %s @%u", __func__, c->name, w->id);
|
|
|
|
TAILQ_FOREACH(wp, &w->panes, entry) {
|
|
if (!window_pane_visible(wp))
|
|
continue;
|
|
s = &wp->status_screen;
|
|
|
|
size = wp->status_size;
|
|
if (ctx->pane_status == PANE_STATUS_TOP)
|
|
yoff = wp->yoff - 1;
|
|
else
|
|
yoff = wp->yoff + wp->sy;
|
|
xoff = wp->xoff + 2;
|
|
|
|
if (xoff + size <= ctx->ox ||
|
|
xoff >= ctx->ox + ctx->sx ||
|
|
yoff < ctx->oy ||
|
|
yoff >= ctx->oy + ctx->sy)
|
|
continue;
|
|
|
|
if (xoff >= ctx->ox && xoff + size <= ctx->ox + ctx->sx) {
|
|
/* All visible. */
|
|
i = 0;
|
|
x = xoff - ctx->ox;
|
|
width = size;
|
|
} else if (xoff < ctx->ox && xoff + size > ctx->ox + ctx->sx) {
|
|
/* Both left and right not visible. */
|
|
i = ctx->ox;
|
|
x = 0;
|
|
width = ctx->sx;
|
|
} else if (xoff < ctx->ox) {
|
|
/* Left not visible. */
|
|
i = ctx->ox - xoff;
|
|
x = 0;
|
|
width = size - i;
|
|
} else {
|
|
/* Right not visible. */
|
|
i = 0;
|
|
x = xoff - ctx->ox;
|
|
width = size - x;
|
|
}
|
|
|
|
if (ctx->statustop)
|
|
yoff += ctx->statuslines;
|
|
tty_draw_line(tty, NULL, s, i, 0, width, x, yoff - ctx->oy);
|
|
}
|
|
tty_cursor(tty, 0, 0);
|
|
}
|
|
|
|
/* Update status line and change flags if unchanged. */
|
|
static int
|
|
screen_redraw_update(struct client *c, int flags)
|
|
{
|
|
struct window *w = c->session->curw->window;
|
|
struct window_pane *wp;
|
|
struct options *wo = w->options;
|
|
int redraw;
|
|
|
|
if (c->message_string != NULL)
|
|
redraw = status_message_redraw(c);
|
|
else if (c->prompt_string != NULL)
|
|
redraw = status_prompt_redraw(c);
|
|
else
|
|
redraw = status_redraw(c);
|
|
if (!redraw && (~flags & CLIENT_REDRAWSTATUSALWAYS))
|
|
flags &= ~CLIENT_REDRAWSTATUS;
|
|
|
|
if (c->overlay_draw != NULL)
|
|
flags |= CLIENT_REDRAWOVERLAY;
|
|
|
|
if (options_get_number(wo, "pane-border-status") != PANE_STATUS_OFF) {
|
|
redraw = 0;
|
|
TAILQ_FOREACH(wp, &w->panes, entry) {
|
|
if (screen_redraw_make_pane_status(c, w, wp))
|
|
redraw = 1;
|
|
}
|
|
if (redraw)
|
|
flags |= CLIENT_REDRAWBORDERS;
|
|
}
|
|
return (flags);
|
|
}
|
|
|
|
/* Set up redraw context. */
|
|
static void
|
|
screen_redraw_set_context(struct client *c, struct screen_redraw_ctx *ctx)
|
|
{
|
|
struct session *s = c->session;
|
|
struct options *oo = s->options;
|
|
struct window *w = s->curw->window;
|
|
struct options *wo = w->options;
|
|
u_int lines;
|
|
|
|
memset(ctx, 0, sizeof *ctx);
|
|
ctx->c = c;
|
|
|
|
lines = status_line_size(c);
|
|
if (c->message_string != NULL || c->prompt_string != NULL)
|
|
lines = (lines == 0) ? 1 : lines;
|
|
if (lines != 0 && options_get_number(oo, "status-position") == 0)
|
|
ctx->statustop = 1;
|
|
ctx->statuslines = lines;
|
|
|
|
ctx->pane_status = options_get_number(wo, "pane-border-status");
|
|
|
|
tty_window_offset(&c->tty, &ctx->ox, &ctx->oy, &ctx->sx, &ctx->sy);
|
|
|
|
log_debug("%s: %s @%u ox=%u oy=%u sx=%u sy=%u %u/%d", __func__, c->name,
|
|
w->id, ctx->ox, ctx->oy, ctx->sx, ctx->sy, ctx->statuslines,
|
|
ctx->statustop);
|
|
}
|
|
|
|
/* Redraw entire screen. */
|
|
void
|
|
screen_redraw_screen(struct client *c)
|
|
{
|
|
struct screen_redraw_ctx ctx;
|
|
int flags;
|
|
|
|
if (c->flags & CLIENT_SUSPENDED)
|
|
return;
|
|
|
|
flags = screen_redraw_update(c, c->flags);
|
|
screen_redraw_set_context(c, &ctx);
|
|
|
|
if (flags & (CLIENT_REDRAWWINDOW|CLIENT_REDRAWBORDERS)) {
|
|
if (ctx.pane_status != PANE_STATUS_OFF)
|
|
screen_redraw_draw_pane_status(&ctx);
|
|
screen_redraw_draw_borders(&ctx);
|
|
}
|
|
if (flags & CLIENT_REDRAWWINDOW)
|
|
screen_redraw_draw_panes(&ctx);
|
|
if (ctx.statuslines != 0 &&
|
|
(flags & (CLIENT_REDRAWSTATUS|CLIENT_REDRAWSTATUSALWAYS)))
|
|
screen_redraw_draw_status(&ctx);
|
|
if (c->overlay_draw != NULL && (flags & CLIENT_REDRAWOVERLAY))
|
|
c->overlay_draw(c, &ctx);
|
|
tty_reset(&c->tty);
|
|
}
|
|
|
|
/* Redraw a single pane. */
|
|
void
|
|
screen_redraw_pane(struct client *c, struct window_pane *wp)
|
|
{
|
|
struct screen_redraw_ctx ctx;
|
|
|
|
if (c->overlay_draw != NULL || !window_pane_visible(wp))
|
|
return;
|
|
|
|
screen_redraw_set_context(c, &ctx);
|
|
|
|
screen_redraw_draw_pane(&ctx, wp);
|
|
tty_reset(&c->tty);
|
|
}
|
|
|
|
/* Draw a border cell. */
|
|
static void
|
|
screen_redraw_draw_borders_cell(struct screen_redraw_ctx *ctx, u_int i, u_int j,
|
|
struct grid_cell *m_active_gc, struct grid_cell *active_gc,
|
|
struct grid_cell *m_other_gc, struct grid_cell *other_gc)
|
|
{
|
|
struct client *c = ctx->c;
|
|
struct session *s = c->session;
|
|
struct window *w = s->curw->window;
|
|
struct tty *tty = &c->tty;
|
|
struct window_pane *wp;
|
|
struct window_pane *active = w->active;
|
|
struct window_pane *marked = marked_pane.wp;
|
|
u_int type, x = ctx->ox + i, y = ctx->oy + j;
|
|
int flag, pane_status = ctx->pane_status;
|
|
|
|
type = screen_redraw_check_cell(c, x, y, pane_status, &wp);
|
|
if (type == CELL_INSIDE)
|
|
return;
|
|
flag = screen_redraw_check_is(x, y, type, pane_status, w, active, wp);
|
|
|
|
if (server_is_marked(s, s->curw, marked_pane.wp) &&
|
|
screen_redraw_check_is(x, y, type, pane_status, w, marked, wp)) {
|
|
if (flag)
|
|
tty_attributes(tty, m_active_gc, NULL);
|
|
else
|
|
tty_attributes(tty, m_other_gc, NULL);
|
|
} else if (flag)
|
|
tty_attributes(tty, active_gc, NULL);
|
|
else
|
|
tty_attributes(tty, other_gc, NULL);
|
|
if (ctx->statustop)
|
|
tty_cursor(tty, i, ctx->statuslines + j);
|
|
else
|
|
tty_cursor(tty, i, j);
|
|
tty_putc(tty, CELL_BORDERS[type]);
|
|
}
|
|
|
|
/* Draw the borders. */
|
|
static void
|
|
screen_redraw_draw_borders(struct screen_redraw_ctx *ctx)
|
|
{
|
|
struct client *c = ctx->c;
|
|
struct session *s = c->session;
|
|
struct window *w = s->curw->window;
|
|
struct tty *tty = &c->tty;
|
|
struct options *oo = w->options;
|
|
struct grid_cell m_active_gc, active_gc, m_other_gc, other_gc;
|
|
u_int i, j;
|
|
|
|
log_debug("%s: %s @%u", __func__, c->name, w->id);
|
|
|
|
style_apply(&other_gc, oo, "pane-border-style");
|
|
style_apply(&active_gc, oo, "pane-active-border-style");
|
|
active_gc.attr = other_gc.attr = GRID_ATTR_CHARSET;
|
|
|
|
memcpy(&m_other_gc, &other_gc, sizeof m_other_gc);
|
|
m_other_gc.attr ^= GRID_ATTR_REVERSE;
|
|
memcpy(&m_active_gc, &active_gc, sizeof m_active_gc);
|
|
m_active_gc.attr ^= GRID_ATTR_REVERSE;
|
|
|
|
for (j = 0; j < tty->sy - ctx->statuslines; j++) {
|
|
for (i = 0; i < tty->sx; i++) {
|
|
screen_redraw_draw_borders_cell(ctx, i, j,
|
|
&m_active_gc, &active_gc, &m_other_gc, &other_gc);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Draw the panes. */
|
|
static void
|
|
screen_redraw_draw_panes(struct screen_redraw_ctx *ctx)
|
|
{
|
|
struct client *c = ctx->c;
|
|
struct window *w = c->session->curw->window;
|
|
struct window_pane *wp;
|
|
|
|
log_debug("%s: %s @%u", __func__, c->name, w->id);
|
|
|
|
TAILQ_FOREACH(wp, &w->panes, entry) {
|
|
if (window_pane_visible(wp))
|
|
screen_redraw_draw_pane(ctx, wp);
|
|
}
|
|
}
|
|
|
|
/* Draw the status line. */
|
|
static void
|
|
screen_redraw_draw_status(struct screen_redraw_ctx *ctx)
|
|
{
|
|
struct client *c = ctx->c;
|
|
struct window *w = c->session->curw->window;
|
|
struct tty *tty = &c->tty;
|
|
struct screen *s = c->status.active;
|
|
u_int i, y;
|
|
|
|
log_debug("%s: %s @%u", __func__, c->name, w->id);
|
|
|
|
if (ctx->statustop)
|
|
y = 0;
|
|
else
|
|
y = c->tty.sy - ctx->statuslines;
|
|
for (i = 0; i < ctx->statuslines; i++)
|
|
tty_draw_line(tty, NULL, s, 0, i, UINT_MAX, 0, y + i);
|
|
}
|
|
|
|
/* Draw one pane. */
|
|
static void
|
|
screen_redraw_draw_pane(struct screen_redraw_ctx *ctx, struct window_pane *wp)
|
|
{
|
|
struct client *c = ctx->c;
|
|
struct window *w = c->session->curw->window;
|
|
struct tty *tty = &c->tty;
|
|
struct screen *s;
|
|
u_int i, j, top, x, y, width;
|
|
|
|
log_debug("%s: %s @%u %%%u", __func__, c->name, w->id, wp->id);
|
|
|
|
if (wp->xoff + wp->sx <= ctx->ox || wp->xoff >= ctx->ox + ctx->sx)
|
|
return;
|
|
if (ctx->statustop)
|
|
top = ctx->statuslines;
|
|
else
|
|
top = 0;
|
|
|
|
s = wp->screen;
|
|
for (j = 0; j < wp->sy; j++) {
|
|
if (wp->yoff + j < ctx->oy || wp->yoff + j >= ctx->oy + ctx->sy)
|
|
continue;
|
|
y = top + wp->yoff + j - ctx->oy;
|
|
|
|
if (wp->xoff >= ctx->ox &&
|
|
wp->xoff + wp->sx <= ctx->ox + ctx->sx) {
|
|
/* All visible. */
|
|
i = 0;
|
|
x = wp->xoff - ctx->ox;
|
|
width = wp->sx;
|
|
} else if (wp->xoff < ctx->ox &&
|
|
wp->xoff + wp->sx > ctx->ox + ctx->sx) {
|
|
/* Both left and right not visible. */
|
|
i = ctx->ox;
|
|
x = 0;
|
|
width = ctx->sx;
|
|
} else if (wp->xoff < ctx->ox) {
|
|
/* Left not visible. */
|
|
i = ctx->ox - wp->xoff;
|
|
x = 0;
|
|
width = wp->sx - i;
|
|
} else {
|
|
/* Right not visible. */
|
|
i = 0;
|
|
x = wp->xoff - ctx->ox;
|
|
width = ctx->sx - x;
|
|
}
|
|
log_debug("%s: %s %%%u line %u,%u at %u,%u, width %u",
|
|
__func__, c->name, wp->id, i, j, x, y, width);
|
|
|
|
tty_draw_line(tty, wp, s, i, j, width, x, y);
|
|
}
|
|
}
|