mirror of
https://github.com/tmux/tmux.git
synced 2024-11-16 09:28:51 +00:00
0ace779cde
supports them (that is, if it advertises itself as a VT420 - probably just xterm). These are the vertical equivalent of the scroll region and allow much faster scrolling of panes that do not take up the full width of the terminal.
1826 lines
43 KiB
C
1826 lines
43 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <netinet/in.h>
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#include <curses.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <resolv.h>
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#include <stdlib.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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#include "tmux.h"
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static int tty_log_fd = -1;
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static void tty_init_termios(int, struct termios *, struct bufferevent *);
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static void tty_read_callback(struct bufferevent *, void *);
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static void tty_error_callback(struct bufferevent *, short, void *);
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static int tty_client_ready(struct client *, struct window_pane *);
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static void tty_set_italics(struct tty *);
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static int tty_try_colour(struct tty *, int, const char *);
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static void tty_force_cursor_colour(struct tty *, const char *);
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static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
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u_int);
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static void tty_colours(struct tty *, const struct grid_cell *);
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static void tty_check_fg(struct tty *, struct grid_cell *);
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static void tty_check_bg(struct tty *, struct grid_cell *);
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static void tty_colours_fg(struct tty *, const struct grid_cell *);
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static void tty_colours_bg(struct tty *, const struct grid_cell *);
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static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
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u_int);
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static void tty_margin_pane(struct tty *, const struct tty_ctx *);
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static int tty_large_region(struct tty *, const struct tty_ctx *);
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static int tty_fake_bce(const struct tty *, const struct window_pane *,
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u_int);
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static void tty_redraw_region(struct tty *, const struct tty_ctx *);
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static void tty_emulate_repeat(struct tty *, enum tty_code_code,
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enum tty_code_code, u_int);
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static void tty_repeat_space(struct tty *, u_int);
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static void tty_cell(struct tty *, const struct grid_cell *,
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const struct window_pane *);
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static void tty_default_colours(struct grid_cell *,
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const struct window_pane *);
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static void tty_default_attributes(struct tty *, const struct window_pane *,
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u_int);
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#define tty_use_acs(tty) \
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(tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
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#define tty_use_margin(tty) \
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((tty)->term_type == TTY_VT420)
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#define tty_pane_full_width(tty, ctx) \
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((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
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void
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tty_create_log(void)
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{
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char name[64];
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xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
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tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
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if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
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fatal("fcntl failed");
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}
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int
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tty_init(struct tty *tty, struct client *c, int fd, char *term)
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{
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char *path;
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if (!isatty(fd))
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return (-1);
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memset(tty, 0, sizeof *tty);
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if (term == NULL || *term == '\0')
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tty->termname = xstrdup("unknown");
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else
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tty->termname = xstrdup(term);
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tty->fd = fd;
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tty->client = c;
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if ((path = ttyname(fd)) == NULL)
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return (-1);
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tty->path = xstrdup(path);
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tty->cstyle = 0;
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tty->ccolour = xstrdup("");
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tty->flags = 0;
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tty->term_flags = 0;
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tty->term_type = TTY_UNKNOWN;
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return (0);
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}
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int
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tty_resize(struct tty *tty)
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{
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struct winsize ws;
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u_int sx, sy;
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if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
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sx = ws.ws_col;
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if (sx == 0)
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sx = 80;
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sy = ws.ws_row;
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if (sy == 0)
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sy = 24;
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} else {
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sx = 80;
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sy = 24;
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}
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if (!tty_set_size(tty, sx, sy))
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return (0);
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tty->cx = UINT_MAX;
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tty->cy = UINT_MAX;
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tty->rupper = tty->rleft = UINT_MAX;
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tty->rlower = tty->rright = UINT_MAX;
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/*
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* If the terminal has been started, reset the actual scroll region and
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* cursor position, as this may not have happened.
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*/
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if (tty->flags & TTY_STARTED) {
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tty_cursor(tty, 0, 0);
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tty_region(tty, 0, tty->sy - 1);
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tty_margin(tty, 0, tty->sx - 1);
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}
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return (1);
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}
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int
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tty_set_size(struct tty *tty, u_int sx, u_int sy)
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{
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if (sx == tty->sx && sy == tty->sy)
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return (0);
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tty->sx = sx;
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tty->sy = sy;
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return (1);
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}
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int
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tty_open(struct tty *tty, char **cause)
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{
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tty->term = tty_term_find(tty->termname, tty->fd, cause);
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if (tty->term == NULL) {
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tty_close(tty);
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return (-1);
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}
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tty->flags |= TTY_OPENED;
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tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
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tty->event = bufferevent_new(tty->fd, tty_read_callback, NULL,
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tty_error_callback, tty);
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tty_start_tty(tty);
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tty_keys_build(tty);
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return (0);
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}
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static void
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tty_read_callback(__unused struct bufferevent *bufev, void *data)
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{
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struct tty *tty = data;
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while (tty_keys_next(tty))
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;
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}
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static void
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tty_error_callback(__unused struct bufferevent *bufev, __unused short what,
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__unused void *data)
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{
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}
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static void
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tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
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{
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struct termios tio;
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if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
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return;
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setblocking(fd, 0);
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if (bufev != NULL)
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bufferevent_enable(bufev, EV_READ|EV_WRITE);
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memcpy(&tio, orig_tio, sizeof tio);
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tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
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tio.c_iflag |= IGNBRK;
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tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
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tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
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ECHOPRT|ECHOKE|ISIG);
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tio.c_cc[VMIN] = 1;
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tio.c_cc[VTIME] = 0;
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if (tcsetattr(fd, TCSANOW, &tio) == 0)
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tcflush(fd, TCIOFLUSH);
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}
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void
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tty_start_tty(struct tty *tty)
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{
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tty_init_termios(tty->fd, &tty->tio, tty->event);
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tty_putcode(tty, TTYC_SMCUP);
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tty_putcode(tty, TTYC_SGR0);
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memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
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tty_putcode(tty, TTYC_RMKX);
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if (tty_use_acs(tty))
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tty_putcode(tty, TTYC_ENACS);
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tty_putcode(tty, TTYC_CLEAR);
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tty_putcode(tty, TTYC_CNORM);
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if (tty_term_has(tty->term, TTYC_KMOUS))
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tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
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if (tty_term_flag(tty->term, TTYC_XT)) {
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if (options_get_number(global_options, "focus-events")) {
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tty->flags |= TTY_FOCUS;
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tty_puts(tty, "\033[?1004h");
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}
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tty_puts(tty, "\033[c");
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}
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tty->cx = UINT_MAX;
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tty->cy = UINT_MAX;
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tty->rupper = tty->rleft = UINT_MAX;
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tty->rlower = tty->rright = UINT_MAX;
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tty->mode = MODE_CURSOR;
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tty->flags |= TTY_STARTED;
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tty_force_cursor_colour(tty, "");
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tty->mouse_drag_flag = 0;
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tty->mouse_drag_update = NULL;
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tty->mouse_drag_release = NULL;
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}
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void
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tty_stop_tty(struct tty *tty)
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{
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struct winsize ws;
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if (!(tty->flags & TTY_STARTED))
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return;
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tty->flags &= ~TTY_STARTED;
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bufferevent_disable(tty->event, EV_READ|EV_WRITE);
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/*
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* Be flexible about error handling and try not kill the server just
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* because the fd is invalid. Things like ssh -t can easily leave us
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* with a dead tty.
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*/
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if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
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return;
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if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
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return;
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tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
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if (tty_use_acs(tty))
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tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
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tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
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tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
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tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
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if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
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if (tty_term_has(tty->term, TTYC_SE))
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tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
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else
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tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
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}
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if (tty->mode & MODE_BRACKETPASTE)
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tty_raw(tty, "\033[?2004l");
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tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
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tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
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if (tty_term_has(tty->term, TTYC_KMOUS))
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tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
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if (tty_term_flag(tty->term, TTYC_XT)) {
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if (tty->flags & TTY_FOCUS) {
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tty->flags &= ~TTY_FOCUS;
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tty_raw(tty, "\033[?1004l");
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}
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}
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if (tty_use_margin(tty))
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tty_raw(tty, "\033[?69l"); /* DECLRMM */
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tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
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setblocking(tty->fd, 1);
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}
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void
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tty_close(struct tty *tty)
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{
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if (event_initialized(&tty->key_timer))
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evtimer_del(&tty->key_timer);
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tty_stop_tty(tty);
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if (tty->flags & TTY_OPENED) {
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bufferevent_free(tty->event);
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tty_term_free(tty->term);
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tty_keys_free(tty);
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tty->flags &= ~TTY_OPENED;
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}
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if (tty->fd != -1) {
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close(tty->fd);
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tty->fd = -1;
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}
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}
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void
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tty_free(struct tty *tty)
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{
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tty_close(tty);
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free(tty->ccolour);
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free(tty->path);
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free(tty->termname);
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}
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void
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tty_set_type(struct tty *tty, int type)
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{
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tty->term_type = type;
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if (tty_use_margin(tty))
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tty_puts(tty, "\033[?69h"); /* DECLRMM */
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}
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void
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tty_raw(struct tty *tty, const char *s)
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{
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ssize_t n, slen;
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u_int i;
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slen = strlen(s);
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for (i = 0; i < 5; i++) {
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n = write(tty->fd, s, slen);
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if (n >= 0) {
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s += n;
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slen -= n;
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if (slen == 0)
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break;
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} else if (n == -1 && errno != EAGAIN)
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break;
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usleep(100);
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}
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}
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void
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tty_putcode(struct tty *tty, enum tty_code_code code)
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{
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tty_puts(tty, tty_term_string(tty->term, code));
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}
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void
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tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
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{
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if (a < 0)
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return;
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tty_puts(tty, tty_term_string1(tty->term, code, a));
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}
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void
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tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
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{
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if (a < 0 || b < 0)
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return;
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tty_puts(tty, tty_term_string2(tty->term, code, a, b));
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}
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void
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tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
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{
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if (a != NULL)
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tty_puts(tty, tty_term_ptr1(tty->term, code, a));
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}
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void
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tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
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const void *b)
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{
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if (a != NULL && b != NULL)
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tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
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}
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void
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tty_puts(struct tty *tty, const char *s)
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{
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if (*s == '\0')
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return;
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bufferevent_write(tty->event, s, strlen(s));
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if (tty_log_fd != -1)
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write(tty_log_fd, s, strlen(s));
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}
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void
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tty_putc(struct tty *tty, u_char ch)
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{
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const char *acs;
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if (tty->cell.attr & GRID_ATTR_CHARSET) {
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acs = tty_acs_get(tty, ch);
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if (acs != NULL)
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bufferevent_write(tty->event, acs, strlen(acs));
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else
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bufferevent_write(tty->event, &ch, 1);
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} else
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bufferevent_write(tty->event, &ch, 1);
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if (ch >= 0x20 && ch != 0x7f) {
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if (tty->cx >= tty->sx) {
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tty->cx = 1;
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if (tty->cy != tty->rlower)
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tty->cy++;
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/*
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* On !xenl terminals, force the cursor position to
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* where we think it should be after a line wrap - this
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* means it works on sensible terminals as well.
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*/
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if (tty->term->flags & TERM_EARLYWRAP)
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tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
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} else
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tty->cx++;
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}
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if (tty_log_fd != -1)
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write(tty_log_fd, &ch, 1);
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}
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void
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tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
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{
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bufferevent_write(tty->event, buf, len);
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if (tty_log_fd != -1)
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write(tty_log_fd, buf, len);
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tty->cx += width;
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}
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static void
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tty_set_italics(struct tty *tty)
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{
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const char *s;
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if (tty_term_has(tty->term, TTYC_SITM)) {
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s = options_get_string(global_options, "default-terminal");
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if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
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tty_putcode(tty, TTYC_SITM);
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return;
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}
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}
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tty_putcode(tty, TTYC_SMSO);
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}
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void
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tty_set_title(struct tty *tty, const char *title)
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{
|
|
if (!tty_term_has(tty->term, TTYC_TSL) ||
|
|
!tty_term_has(tty->term, TTYC_FSL))
|
|
return;
|
|
|
|
tty_putcode(tty, TTYC_TSL);
|
|
tty_puts(tty, title);
|
|
tty_putcode(tty, TTYC_FSL);
|
|
}
|
|
|
|
static void
|
|
tty_force_cursor_colour(struct tty *tty, const char *ccolour)
|
|
{
|
|
if (*ccolour == '\0')
|
|
tty_putcode(tty, TTYC_CR);
|
|
else
|
|
tty_putcode_ptr1(tty, TTYC_CS, ccolour);
|
|
free(tty->ccolour);
|
|
tty->ccolour = xstrdup(ccolour);
|
|
}
|
|
|
|
void
|
|
tty_update_mode(struct tty *tty, int mode, struct screen *s)
|
|
{
|
|
int changed;
|
|
|
|
if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
|
|
tty_force_cursor_colour(tty, s->ccolour);
|
|
|
|
if (tty->flags & TTY_NOCURSOR)
|
|
mode &= ~MODE_CURSOR;
|
|
|
|
changed = mode ^ tty->mode;
|
|
if (changed & MODE_BLINKING) {
|
|
if (tty_term_has(tty->term, TTYC_CVVIS))
|
|
tty_putcode(tty, TTYC_CVVIS);
|
|
else
|
|
tty_putcode(tty, TTYC_CNORM);
|
|
changed |= MODE_CURSOR;
|
|
}
|
|
if (changed & MODE_CURSOR) {
|
|
if (mode & MODE_CURSOR)
|
|
tty_putcode(tty, TTYC_CNORM);
|
|
else
|
|
tty_putcode(tty, TTYC_CIVIS);
|
|
}
|
|
if (s != NULL && tty->cstyle != s->cstyle) {
|
|
if (tty_term_has(tty->term, TTYC_SS)) {
|
|
if (s->cstyle == 0 &&
|
|
tty_term_has(tty->term, TTYC_SE))
|
|
tty_putcode(tty, TTYC_SE);
|
|
else
|
|
tty_putcode1(tty, TTYC_SS, s->cstyle);
|
|
}
|
|
tty->cstyle = s->cstyle;
|
|
}
|
|
if (changed & ALL_MOUSE_MODES) {
|
|
if (mode & ALL_MOUSE_MODES) {
|
|
/*
|
|
* Enable the SGR (1006) extension unconditionally, as
|
|
* this is safe from misinterpretation. Do it in this
|
|
* order, because in some terminals it's the last one
|
|
* that takes effect and SGR is the preferred one.
|
|
*/
|
|
tty_puts(tty, "\033[?1006h");
|
|
if (mode & MODE_MOUSE_BUTTON)
|
|
tty_puts(tty, "\033[?1002h");
|
|
else if (mode & MODE_MOUSE_STANDARD)
|
|
tty_puts(tty, "\033[?1000h");
|
|
} else {
|
|
if (tty->mode & MODE_MOUSE_BUTTON)
|
|
tty_puts(tty, "\033[?1002l");
|
|
else if (tty->mode & MODE_MOUSE_STANDARD)
|
|
tty_puts(tty, "\033[?1000l");
|
|
tty_puts(tty, "\033[?1006l");
|
|
}
|
|
}
|
|
if (changed & MODE_KKEYPAD) {
|
|
if (mode & MODE_KKEYPAD)
|
|
tty_putcode(tty, TTYC_SMKX);
|
|
else
|
|
tty_putcode(tty, TTYC_RMKX);
|
|
}
|
|
if (changed & MODE_BRACKETPASTE) {
|
|
if (mode & MODE_BRACKETPASTE)
|
|
tty_puts(tty, "\033[?2004h");
|
|
else
|
|
tty_puts(tty, "\033[?2004l");
|
|
}
|
|
tty->mode = mode;
|
|
}
|
|
|
|
static void
|
|
tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
|
|
enum tty_code_code code1, u_int n)
|
|
{
|
|
if (tty_term_has(tty->term, code))
|
|
tty_putcode1(tty, code, n);
|
|
else {
|
|
while (n-- > 0)
|
|
tty_putcode(tty, code1);
|
|
}
|
|
}
|
|
|
|
static void
|
|
tty_repeat_space(struct tty *tty, u_int n)
|
|
{
|
|
while (n-- > 0)
|
|
tty_putc(tty, ' ');
|
|
}
|
|
|
|
/*
|
|
* Is the region large enough to be worth redrawing once later rather than
|
|
* probably several times now? Currently yes if it is more than 50% of the
|
|
* pane.
|
|
*/
|
|
static int
|
|
tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
|
|
return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
|
|
}
|
|
|
|
/*
|
|
* Return if BCE is needed but the terminal doesn't have it - it'll need to be
|
|
* emulated.
|
|
*/
|
|
static int
|
|
tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
|
|
{
|
|
struct grid_cell gc;
|
|
|
|
if (tty_term_flag(tty->term, TTYC_BCE))
|
|
return (0);
|
|
|
|
memcpy(&gc, &grid_default_cell, sizeof gc);
|
|
if (wp != NULL)
|
|
tty_default_colours(&gc, wp);
|
|
|
|
if (bg != 8 || gc.bg != 8)
|
|
return (1);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Redraw scroll region using data from screen (already updated). Used when
|
|
* CSR not supported, or window is a pane that doesn't take up the full
|
|
* width of the terminal.
|
|
*/
|
|
static void
|
|
tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
struct screen *s = wp->screen;
|
|
u_int i;
|
|
|
|
/*
|
|
* If region is large, schedule a window redraw. In most cases this is
|
|
* likely to be followed by some more scrolling.
|
|
*/
|
|
if (tty_large_region(tty, ctx)) {
|
|
wp->flags |= PANE_REDRAW;
|
|
return;
|
|
}
|
|
|
|
if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
|
|
for (i = ctx->ocy; i < screen_size_y(s); i++)
|
|
tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
|
|
} else {
|
|
for (i = ctx->orupper; i <= ctx->orlower; i++)
|
|
tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
|
|
}
|
|
}
|
|
|
|
void
|
|
tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
|
|
u_int oy)
|
|
{
|
|
tty_draw_line(tty, wp, wp->screen, py, ox, oy);
|
|
}
|
|
|
|
void
|
|
tty_draw_line(struct tty *tty, const struct window_pane *wp,
|
|
struct screen *s, u_int py, u_int ox, u_int oy)
|
|
{
|
|
struct grid_cell gc, tmp_gc;
|
|
struct grid_line *gl;
|
|
u_int i, sx;
|
|
int flags;
|
|
|
|
flags = tty->flags & TTY_NOCURSOR;
|
|
tty->flags |= TTY_NOCURSOR;
|
|
tty_update_mode(tty, tty->mode, s);
|
|
|
|
sx = screen_size_x(s);
|
|
if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
|
|
sx = s->grid->linedata[s->grid->hsize + py].cellsize;
|
|
if (sx > tty->sx)
|
|
sx = tty->sx;
|
|
|
|
/*
|
|
* Don't move the cursor to the start position if it will wrap there
|
|
* itself.
|
|
*/
|
|
gl = NULL;
|
|
if (py != 0)
|
|
gl = &s->grid->linedata[s->grid->hsize + py - 1];
|
|
if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
|
|
tty->cx < tty->sx || ox != 0 ||
|
|
(oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
|
|
tty_cursor(tty, ox, oy + py);
|
|
|
|
for (i = 0; i < sx; i++) {
|
|
grid_view_get_cell(s->grid, i, py, &gc);
|
|
if (gc.flags & GRID_FLAG_SELECTED) {
|
|
screen_select_cell(s, &tmp_gc, &gc);
|
|
tty_cell(tty, &tmp_gc, wp);
|
|
} else
|
|
tty_cell(tty, &gc, wp);
|
|
}
|
|
|
|
if (sx < tty->sx) {
|
|
tty_default_attributes(tty, wp, 8);
|
|
|
|
tty_cursor(tty, ox + sx, oy + py);
|
|
if (sx != screen_size_x(s) &&
|
|
ox + screen_size_x(s) >= tty->sx &&
|
|
tty_term_has(tty->term, TTYC_EL) &&
|
|
!tty_fake_bce(tty, wp, 8))
|
|
tty_putcode(tty, TTYC_EL);
|
|
else
|
|
tty_repeat_space(tty, screen_size_x(s) - sx);
|
|
}
|
|
|
|
tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
|
|
tty_update_mode(tty, tty->mode, s);
|
|
}
|
|
|
|
static int
|
|
tty_client_ready(struct client *c, struct window_pane *wp)
|
|
{
|
|
if (c->session == NULL || c->tty.term == NULL)
|
|
return (0);
|
|
if (c->flags & CLIENT_SUSPENDED)
|
|
return (0);
|
|
if (c->tty.flags & TTY_FREEZE)
|
|
return (0);
|
|
if (c->session->curw->window != wp->window)
|
|
return (0);
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
|
|
struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
struct client *c;
|
|
|
|
/* wp can be NULL if updating the screen but not the terminal. */
|
|
if (wp == NULL)
|
|
return;
|
|
|
|
if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
|
|
return;
|
|
if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
|
|
return;
|
|
|
|
TAILQ_FOREACH(c, &clients, entry) {
|
|
if (!tty_client_ready(c, wp))
|
|
continue;
|
|
|
|
ctx->xoff = wp->xoff;
|
|
ctx->yoff = wp->yoff;
|
|
if (status_at_line(c) == 0)
|
|
ctx->yoff++;
|
|
|
|
cmdfn(&c->tty, ctx);
|
|
}
|
|
}
|
|
|
|
void
|
|
tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
|
|
if (!tty_pane_full_width(tty, ctx) ||
|
|
tty_fake_bce(tty, wp, ctx->bg) ||
|
|
(!tty_term_has(tty->term, TTYC_ICH) &&
|
|
!tty_term_has(tty->term, TTYC_ICH1))) {
|
|
tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
|
|
return;
|
|
}
|
|
|
|
tty_default_attributes(tty, wp, ctx->bg);
|
|
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
|
|
tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
|
|
}
|
|
|
|
void
|
|
tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
|
|
if (!tty_pane_full_width(tty, ctx) ||
|
|
tty_fake_bce(tty, wp, ctx->bg) ||
|
|
(!tty_term_has(tty->term, TTYC_DCH) &&
|
|
!tty_term_has(tty->term, TTYC_DCH1))) {
|
|
tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
|
|
return;
|
|
}
|
|
|
|
tty_default_attributes(tty, wp, ctx->bg);
|
|
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
|
|
tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
|
|
}
|
|
|
|
void
|
|
tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
u_int i;
|
|
|
|
tty_attributes(tty, &grid_default_cell, ctx->wp);
|
|
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
|
|
if (tty_term_has(tty->term, TTYC_ECH) &&
|
|
!tty_fake_bce(tty, ctx->wp, ctx->bg))
|
|
tty_putcode1(tty, TTYC_ECH, ctx->num);
|
|
else {
|
|
for (i = 0; i < ctx->num; i++)
|
|
tty_putc(tty, ' ');
|
|
}
|
|
}
|
|
|
|
void
|
|
tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
if (!tty_pane_full_width(tty, ctx) ||
|
|
tty_fake_bce(tty, ctx->wp, ctx->bg) ||
|
|
!tty_term_has(tty->term, TTYC_CSR) ||
|
|
!tty_term_has(tty->term, TTYC_IL1)) {
|
|
tty_redraw_region(tty, ctx);
|
|
return;
|
|
}
|
|
|
|
tty_default_attributes(tty, ctx->wp, ctx->bg);
|
|
|
|
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
|
|
tty_margin_pane(tty, ctx);
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
|
|
tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
|
|
}
|
|
|
|
void
|
|
tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
if (!tty_pane_full_width(tty, ctx) ||
|
|
tty_fake_bce(tty, ctx->wp, ctx->bg) ||
|
|
!tty_term_has(tty->term, TTYC_CSR) ||
|
|
!tty_term_has(tty->term, TTYC_DL1)) {
|
|
tty_redraw_region(tty, ctx);
|
|
return;
|
|
}
|
|
|
|
tty_default_attributes(tty, ctx->wp, ctx->bg);
|
|
|
|
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
|
|
tty_margin_pane(tty, ctx);
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
|
|
tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
|
|
}
|
|
|
|
void
|
|
tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
struct screen *s = wp->screen;
|
|
|
|
tty_default_attributes(tty, wp, ctx->bg);
|
|
|
|
tty_cursor_pane(tty, ctx, 0, ctx->ocy);
|
|
|
|
if (tty_pane_full_width(tty, ctx) &&
|
|
!tty_fake_bce(tty, wp, ctx->bg) &&
|
|
tty_term_has(tty->term, TTYC_EL))
|
|
tty_putcode(tty, TTYC_EL);
|
|
else
|
|
tty_repeat_space(tty, screen_size_x(s));
|
|
}
|
|
|
|
void
|
|
tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
struct screen *s = wp->screen;
|
|
|
|
tty_default_attributes(tty, wp, ctx->bg);
|
|
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
|
|
if (tty_pane_full_width(tty, ctx) &&
|
|
tty_term_has(tty->term, TTYC_EL) &&
|
|
!tty_fake_bce(tty, wp, ctx->bg))
|
|
tty_putcode(tty, TTYC_EL);
|
|
else
|
|
tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
|
|
}
|
|
|
|
void
|
|
tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
|
|
tty_default_attributes(tty, wp, ctx->bg);
|
|
|
|
if (ctx->xoff == 0 &&
|
|
tty_term_has(tty->term, TTYC_EL1) &&
|
|
!tty_fake_bce(tty, ctx->wp, ctx->bg)) {
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
tty_putcode(tty, TTYC_EL1);
|
|
} else {
|
|
tty_cursor_pane(tty, ctx, 0, ctx->ocy);
|
|
tty_repeat_space(tty, ctx->ocx + 1);
|
|
}
|
|
}
|
|
|
|
void
|
|
tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
if (ctx->ocy != ctx->orupper)
|
|
return;
|
|
|
|
if (!tty_pane_full_width(tty, ctx) ||
|
|
tty_fake_bce(tty, ctx->wp, ctx->bg) ||
|
|
!tty_term_has(tty->term, TTYC_CSR) ||
|
|
!tty_term_has(tty->term, TTYC_RI)) {
|
|
tty_redraw_region(tty, ctx);
|
|
return;
|
|
}
|
|
|
|
tty_attributes(tty, &grid_default_cell, ctx->wp);
|
|
|
|
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
|
|
tty_margin_pane(tty, ctx);
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
|
|
|
|
tty_putcode(tty, TTYC_RI);
|
|
}
|
|
|
|
void
|
|
tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
|
|
if (ctx->ocy != ctx->orlower)
|
|
return;
|
|
|
|
if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
|
|
tty_fake_bce(tty, wp, ctx->bg) ||
|
|
!tty_term_has(tty->term, TTYC_CSR)) {
|
|
if (tty_large_region(tty, ctx))
|
|
wp->flags |= PANE_REDRAW;
|
|
else
|
|
tty_redraw_region(tty, ctx);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If this line wrapped naturally (ctx->num is nonzero) and we are not
|
|
* using margins, don't do anything - the cursor can just be moved
|
|
* to the last cell and wrap naturally.
|
|
*/
|
|
if (!tty_use_margin(tty) &&
|
|
ctx->num != 0 &&
|
|
!(tty->term->flags & TERM_EARLYWRAP)) {
|
|
return;
|
|
}
|
|
|
|
tty_attributes(tty, &grid_default_cell, wp);
|
|
|
|
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
|
|
tty_margin_pane(tty, ctx);
|
|
|
|
/*
|
|
* If we want to wrap a pane, the cursor needs to be exactly on the
|
|
* right of the region. But if the pane isn't on the right, it may be
|
|
* off the edge - if so, move the cursor back to the right.
|
|
*/
|
|
if (ctx->xoff + ctx->ocx > tty->rright)
|
|
tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
|
|
else
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
|
|
tty_putc(tty, '\n');
|
|
}
|
|
|
|
void
|
|
tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
struct screen *s = wp->screen;
|
|
u_int i, j;
|
|
|
|
tty_default_attributes(tty, wp, ctx->bg);
|
|
|
|
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
|
|
tty_margin_pane(tty, ctx);
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
|
|
if (tty_pane_full_width(tty, ctx) &&
|
|
tty_term_has(tty->term, TTYC_EL) &&
|
|
!tty_fake_bce(tty, wp, ctx->bg)) {
|
|
tty_putcode(tty, TTYC_EL);
|
|
if (ctx->ocy != screen_size_y(s) - 1) {
|
|
tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
|
|
for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
|
|
tty_putcode(tty, TTYC_EL);
|
|
if (i == screen_size_y(s) - 1)
|
|
continue;
|
|
tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
|
|
tty->cy++;
|
|
}
|
|
}
|
|
} else {
|
|
tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
|
|
for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
|
|
tty_cursor_pane(tty, ctx, 0, j);
|
|
tty_repeat_space(tty, screen_size_x(s));
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
struct screen *s = wp->screen;
|
|
u_int i, j;
|
|
|
|
tty_attributes(tty, &grid_default_cell, wp);
|
|
|
|
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
|
|
tty_margin_pane(tty, ctx);
|
|
tty_cursor_pane(tty, ctx, 0, 0);
|
|
|
|
if (tty_pane_full_width(tty, ctx) &&
|
|
tty_term_has(tty->term, TTYC_EL) &&
|
|
!tty_fake_bce(tty, wp, ctx->bg)) {
|
|
for (i = 0; i < ctx->ocy; i++) {
|
|
tty_putcode(tty, TTYC_EL);
|
|
tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
|
|
tty->cy++;
|
|
}
|
|
} else {
|
|
for (j = 0; j < ctx->ocy; j++) {
|
|
tty_cursor_pane(tty, ctx, 0, j);
|
|
tty_repeat_space(tty, screen_size_x(s));
|
|
}
|
|
}
|
|
tty_repeat_space(tty, ctx->ocx + 1);
|
|
}
|
|
|
|
void
|
|
tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
struct screen *s = wp->screen;
|
|
u_int i, j;
|
|
|
|
tty_default_attributes(tty, wp, ctx->bg);
|
|
|
|
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
|
|
tty_margin_pane(tty, ctx);
|
|
tty_cursor_pane(tty, ctx, 0, 0);
|
|
|
|
if (tty_pane_full_width(tty, ctx) &&
|
|
tty_term_has(tty->term, TTYC_EL) &&
|
|
!tty_fake_bce(tty, wp, ctx->bg)) {
|
|
for (i = 0; i < screen_size_y(s); i++) {
|
|
tty_putcode(tty, TTYC_EL);
|
|
if (i != screen_size_y(s) - 1) {
|
|
tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
|
|
tty->cy++;
|
|
}
|
|
}
|
|
} else {
|
|
for (j = 0; j < screen_size_y(s); j++) {
|
|
tty_cursor_pane(tty, ctx, 0, j);
|
|
tty_repeat_space(tty, screen_size_x(s));
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
struct screen *s = wp->screen;
|
|
u_int i, j;
|
|
|
|
tty_attributes(tty, &grid_default_cell, wp);
|
|
|
|
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
|
|
tty_margin_pane(tty, ctx);
|
|
|
|
for (j = 0; j < screen_size_y(s); j++) {
|
|
tty_cursor_pane(tty, ctx, 0, j);
|
|
for (i = 0; i < screen_size_x(s); i++)
|
|
tty_putc(tty, 'E');
|
|
}
|
|
}
|
|
|
|
void
|
|
tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
struct screen *s = wp->screen;
|
|
u_int cx, width;
|
|
|
|
if (ctx->ocy == ctx->orlower)
|
|
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
|
|
tty_margin_pane(tty, ctx);
|
|
|
|
/* Is the cursor in the very last position? */
|
|
width = ctx->cell->data.width;
|
|
if (ctx->ocx > wp->sx - width) {
|
|
if (ctx->xoff != 0 || wp->sx != tty->sx) {
|
|
/*
|
|
* The pane doesn't fill the entire line, the linefeed
|
|
* will already have happened, so just move the cursor.
|
|
*/
|
|
if (ctx->ocy != wp->yoff + wp->screen->rlower)
|
|
tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
|
|
else
|
|
tty_cursor_pane(tty, ctx, 0, ctx->ocy);
|
|
} else if (tty->cx < tty->sx) {
|
|
/*
|
|
* The cursor isn't in the last position already, so
|
|
* move as far left as possible and redraw the last
|
|
* cell to move into the last position.
|
|
*/
|
|
cx = screen_size_x(s) - ctx->last_cell.data.width;
|
|
tty_cursor_pane(tty, ctx, cx, ctx->ocy);
|
|
tty_cell(tty, &ctx->last_cell, wp);
|
|
}
|
|
} else
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
|
|
tty_cell(tty, ctx->cell, wp);
|
|
}
|
|
|
|
void
|
|
tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
struct window_pane *wp = ctx->wp;
|
|
|
|
/*
|
|
* Cannot rely on not being a partial character, so just redraw the
|
|
* whole line.
|
|
*/
|
|
tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
|
|
}
|
|
|
|
void
|
|
tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
char *buf;
|
|
size_t off;
|
|
|
|
if (!tty_term_has(tty->term, TTYC_MS))
|
|
return;
|
|
|
|
off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
|
|
buf = xmalloc(off);
|
|
|
|
b64_ntop(ctx->ptr, ctx->num, buf, off);
|
|
tty_putcode_ptr2(tty, TTYC_MS, "", buf);
|
|
|
|
free(buf);
|
|
}
|
|
|
|
void
|
|
tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
u_int i;
|
|
u_char *str = ctx->ptr;
|
|
|
|
for (i = 0; i < ctx->num; i++)
|
|
tty_putc(tty, str[i]);
|
|
|
|
tty->cx = tty->cy = UINT_MAX;
|
|
tty->rupper = tty->rlower = UINT_MAX;
|
|
|
|
tty_attributes(tty, &grid_default_cell, ctx->wp);
|
|
tty_cursor(tty, 0, 0);
|
|
}
|
|
|
|
static void
|
|
tty_cell(struct tty *tty, const struct grid_cell *gc,
|
|
const struct window_pane *wp)
|
|
{
|
|
u_int i;
|
|
|
|
/* Skip last character if terminal is stupid. */
|
|
if ((tty->term->flags & TERM_EARLYWRAP) &&
|
|
tty->cy == tty->sy - 1 &&
|
|
tty->cx == tty->sx - 1)
|
|
return;
|
|
|
|
/* If this is a padding character, do nothing. */
|
|
if (gc->flags & GRID_FLAG_PADDING)
|
|
return;
|
|
|
|
/* Set the attributes. */
|
|
tty_attributes(tty, gc, wp);
|
|
|
|
/* Get the cell and if ASCII write with putc to do ACS translation. */
|
|
if (gc->data.size == 1) {
|
|
if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
|
|
return;
|
|
tty_putc(tty, *gc->data.data);
|
|
return;
|
|
}
|
|
|
|
/* If not UTF-8, write _. */
|
|
if (!(tty->flags & TTY_UTF8)) {
|
|
for (i = 0; i < gc->data.width; i++)
|
|
tty_putc(tty, '_');
|
|
return;
|
|
}
|
|
|
|
/* Write the data. */
|
|
tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
|
|
}
|
|
|
|
void
|
|
tty_reset(struct tty *tty)
|
|
{
|
|
struct grid_cell *gc = &tty->cell;
|
|
|
|
if (grid_cells_equal(gc, &grid_default_cell))
|
|
return;
|
|
|
|
if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
|
|
tty_putcode(tty, TTYC_RMACS);
|
|
tty_putcode(tty, TTYC_SGR0);
|
|
memcpy(gc, &grid_default_cell, sizeof *gc);
|
|
}
|
|
|
|
/* Set region inside pane. */
|
|
static void
|
|
tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
|
|
u_int rlower)
|
|
{
|
|
tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
|
|
}
|
|
|
|
/* Set region at absolute position. */
|
|
void
|
|
tty_region(struct tty *tty, u_int rupper, u_int rlower)
|
|
{
|
|
if (tty->rlower == rlower && tty->rupper == rupper)
|
|
return;
|
|
if (!tty_term_has(tty->term, TTYC_CSR))
|
|
return;
|
|
|
|
tty->rupper = rupper;
|
|
tty->rlower = rlower;
|
|
|
|
/*
|
|
* Some terminals (such as PuTTY) do not correctly reset the cursor to
|
|
* 0,0 if it is beyond the last column (they do not reset their wrap
|
|
* flag so further output causes a line feed). As a workaround, do an
|
|
* explicit move to 0 first.
|
|
*/
|
|
if (tty->cx >= tty->sx)
|
|
tty_cursor(tty, 0, tty->cy);
|
|
|
|
tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
|
|
tty_cursor(tty, 0, 0);
|
|
}
|
|
|
|
/* Set margin inside pane. */
|
|
static void
|
|
tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
|
|
{
|
|
tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
|
|
}
|
|
|
|
/* Set margin at absolute position. */
|
|
void
|
|
tty_margin(struct tty *tty, u_int rleft, u_int rright)
|
|
{
|
|
char s[64];
|
|
|
|
if (!tty_use_margin(tty))
|
|
return;
|
|
if (tty->rleft == rleft && tty->rright == rright)
|
|
return;
|
|
|
|
tty->rleft = rleft;
|
|
tty->rright = rright;
|
|
|
|
snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
|
|
tty_puts(tty, s);
|
|
tty_cursor(tty, 0, 0);
|
|
}
|
|
|
|
/* Move cursor inside pane. */
|
|
static void
|
|
tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
|
|
{
|
|
tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
|
|
}
|
|
|
|
/* Move cursor to absolute position. */
|
|
void
|
|
tty_cursor(struct tty *tty, u_int cx, u_int cy)
|
|
{
|
|
struct tty_term *term = tty->term;
|
|
u_int thisx, thisy;
|
|
int change;
|
|
|
|
if (cx > tty->sx - 1)
|
|
cx = tty->sx - 1;
|
|
|
|
thisx = tty->cx;
|
|
thisy = tty->cy;
|
|
|
|
/* No change. */
|
|
if (cx == thisx && cy == thisy)
|
|
return;
|
|
|
|
/* Very end of the line, just use absolute movement. */
|
|
if (thisx > tty->sx - 1)
|
|
goto absolute;
|
|
|
|
/* Move to home position (0, 0). */
|
|
if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
|
|
tty_putcode(tty, TTYC_HOME);
|
|
goto out;
|
|
}
|
|
|
|
/* Zero on the next line. */
|
|
if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
|
|
tty_putc(tty, '\r');
|
|
tty_putc(tty, '\n');
|
|
goto out;
|
|
}
|
|
|
|
/* Moving column or row. */
|
|
if (cy == thisy) {
|
|
/*
|
|
* Moving column only, row staying the same.
|
|
*/
|
|
|
|
/* To left edge. */
|
|
if (cx == 0) {
|
|
tty_putc(tty, '\r');
|
|
goto out;
|
|
}
|
|
|
|
/* One to the left. */
|
|
if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
|
|
tty_putcode(tty, TTYC_CUB1);
|
|
goto out;
|
|
}
|
|
|
|
/* One to the right. */
|
|
if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
|
|
tty_putcode(tty, TTYC_CUF1);
|
|
goto out;
|
|
}
|
|
|
|
/* Calculate difference. */
|
|
change = thisx - cx; /* +ve left, -ve right */
|
|
|
|
/*
|
|
* Use HPA if change is larger than absolute, otherwise move
|
|
* the cursor with CUB/CUF.
|
|
*/
|
|
if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
|
|
tty_putcode1(tty, TTYC_HPA, cx);
|
|
goto out;
|
|
} else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
|
|
if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
|
|
tty_putcode(tty, TTYC_CUB1);
|
|
tty_putcode(tty, TTYC_CUB1);
|
|
goto out;
|
|
}
|
|
tty_putcode1(tty, TTYC_CUB, change);
|
|
goto out;
|
|
} else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
|
|
tty_putcode1(tty, TTYC_CUF, -change);
|
|
goto out;
|
|
}
|
|
} else if (cx == thisx) {
|
|
/*
|
|
* Moving row only, column staying the same.
|
|
*/
|
|
|
|
/* One above. */
|
|
if (thisy != tty->rupper &&
|
|
cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
|
|
tty_putcode(tty, TTYC_CUU1);
|
|
goto out;
|
|
}
|
|
|
|
/* One below. */
|
|
if (thisy != tty->rlower &&
|
|
cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
|
|
tty_putcode(tty, TTYC_CUD1);
|
|
goto out;
|
|
}
|
|
|
|
/* Calculate difference. */
|
|
change = thisy - cy; /* +ve up, -ve down */
|
|
|
|
/*
|
|
* Try to use VPA if change is larger than absolute or if this
|
|
* change would cross the scroll region, otherwise use CUU/CUD.
|
|
*/
|
|
if ((u_int) abs(change) > cy ||
|
|
(change < 0 && cy - change > tty->rlower) ||
|
|
(change > 0 && cy - change < tty->rupper)) {
|
|
if (tty_term_has(term, TTYC_VPA)) {
|
|
tty_putcode1(tty, TTYC_VPA, cy);
|
|
goto out;
|
|
}
|
|
} else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
|
|
tty_putcode1(tty, TTYC_CUU, change);
|
|
goto out;
|
|
} else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
|
|
tty_putcode1(tty, TTYC_CUD, -change);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
absolute:
|
|
/* Absolute movement. */
|
|
tty_putcode2(tty, TTYC_CUP, cy, cx);
|
|
|
|
out:
|
|
tty->cx = cx;
|
|
tty->cy = cy;
|
|
}
|
|
|
|
void
|
|
tty_attributes(struct tty *tty, const struct grid_cell *gc,
|
|
const struct window_pane *wp)
|
|
{
|
|
struct grid_cell *tc = &tty->cell, gc2;
|
|
u_char changed;
|
|
|
|
memcpy(&gc2, gc, sizeof gc2);
|
|
if (wp != NULL)
|
|
tty_default_colours(&gc2, wp);
|
|
|
|
/*
|
|
* If no setab, try to use the reverse attribute as a best-effort for a
|
|
* non-default background. This is a bit of a hack but it doesn't do
|
|
* any serious harm and makes a couple of applications happier.
|
|
*/
|
|
if (!tty_term_has(tty->term, TTYC_SETAB)) {
|
|
if (gc2.attr & GRID_ATTR_REVERSE) {
|
|
if (gc2.fg != 7 && gc2.fg != 8)
|
|
gc2.attr &= ~GRID_ATTR_REVERSE;
|
|
} else {
|
|
if (gc2.bg != 0 && gc2.bg != 8)
|
|
gc2.attr |= GRID_ATTR_REVERSE;
|
|
}
|
|
}
|
|
|
|
/* Fix up the colours if necessary. */
|
|
tty_check_fg(tty, &gc2);
|
|
tty_check_bg(tty, &gc2);
|
|
|
|
/* If any bits are being cleared, reset everything. */
|
|
if (tc->attr & ~gc2.attr)
|
|
tty_reset(tty);
|
|
|
|
/*
|
|
* Set the colours. This may call tty_reset() (so it comes next) and
|
|
* may add to (NOT remove) the desired attributes by changing new_attr.
|
|
*/
|
|
tty_colours(tty, &gc2);
|
|
|
|
/* Filter out attribute bits already set. */
|
|
changed = gc2.attr & ~tc->attr;
|
|
tc->attr = gc2.attr;
|
|
|
|
/* Set the attributes. */
|
|
if (changed & GRID_ATTR_BRIGHT)
|
|
tty_putcode(tty, TTYC_BOLD);
|
|
if (changed & GRID_ATTR_DIM)
|
|
tty_putcode(tty, TTYC_DIM);
|
|
if (changed & GRID_ATTR_ITALICS)
|
|
tty_set_italics(tty);
|
|
if (changed & GRID_ATTR_UNDERSCORE)
|
|
tty_putcode(tty, TTYC_SMUL);
|
|
if (changed & GRID_ATTR_BLINK)
|
|
tty_putcode(tty, TTYC_BLINK);
|
|
if (changed & GRID_ATTR_REVERSE) {
|
|
if (tty_term_has(tty->term, TTYC_REV))
|
|
tty_putcode(tty, TTYC_REV);
|
|
else if (tty_term_has(tty->term, TTYC_SMSO))
|
|
tty_putcode(tty, TTYC_SMSO);
|
|
}
|
|
if (changed & GRID_ATTR_HIDDEN)
|
|
tty_putcode(tty, TTYC_INVIS);
|
|
if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
|
|
tty_putcode(tty, TTYC_SMACS);
|
|
}
|
|
|
|
static void
|
|
tty_colours(struct tty *tty, const struct grid_cell *gc)
|
|
{
|
|
struct grid_cell *tc = &tty->cell;
|
|
int have_ax;
|
|
|
|
/* No changes? Nothing is necessary. */
|
|
if (gc->fg == tc->fg && gc->bg == tc->bg)
|
|
return;
|
|
|
|
/*
|
|
* Is either the default colour? This is handled specially because the
|
|
* best solution might be to reset both colours to default, in which
|
|
* case if only one is default need to fall onward to set the other
|
|
* colour.
|
|
*/
|
|
if (gc->fg == 8 || gc->bg == 8) {
|
|
/*
|
|
* If don't have AX but do have op, send sgr0 (op can't
|
|
* actually be used because it is sometimes the same as sgr0
|
|
* and sometimes isn't). This resets both colours to default.
|
|
*
|
|
* Otherwise, try to set the default colour only as needed.
|
|
*/
|
|
have_ax = tty_term_flag(tty->term, TTYC_AX);
|
|
if (!have_ax && tty_term_has(tty->term, TTYC_OP))
|
|
tty_reset(tty);
|
|
else {
|
|
if (gc->fg == 8 && tc->fg != 8) {
|
|
if (have_ax)
|
|
tty_puts(tty, "\033[39m");
|
|
else if (tc->fg != 7)
|
|
tty_putcode1(tty, TTYC_SETAF, 7);
|
|
tc->fg = 8;
|
|
}
|
|
if (gc->bg == 8 && tc->bg != 8) {
|
|
if (have_ax)
|
|
tty_puts(tty, "\033[49m");
|
|
else if (tc->bg != 0)
|
|
tty_putcode1(tty, TTYC_SETAB, 0);
|
|
tc->bg = 8;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Set the foreground colour. */
|
|
if (gc->fg != 8 && gc->fg != tc->fg)
|
|
tty_colours_fg(tty, gc);
|
|
|
|
/*
|
|
* Set the background colour. This must come after the foreground as
|
|
* tty_colour_fg() can call tty_reset().
|
|
*/
|
|
if (gc->bg != 8 && gc->bg != tc->bg)
|
|
tty_colours_bg(tty, gc);
|
|
}
|
|
|
|
void
|
|
tty_check_fg(struct tty *tty, struct grid_cell *gc)
|
|
{
|
|
u_char r, g, b;
|
|
u_int colours;
|
|
|
|
/* Is this a 24-bit colour? */
|
|
if (gc->fg & COLOUR_FLAG_RGB) {
|
|
/* Not a 24-bit terminal? Translate to 256-colour palette. */
|
|
if (!tty_term_flag(tty->term, TTYC_TC)) {
|
|
colour_split_rgb(gc->fg, &r, &g, &b);
|
|
gc->fg = colour_find_rgb(r, g, b);
|
|
} else
|
|
return;
|
|
}
|
|
colours = tty_term_number(tty->term, TTYC_COLORS);
|
|
|
|
/* Is this a 256-colour colour? */
|
|
if (gc->fg & COLOUR_FLAG_256) {
|
|
/* And not a 256 colour mode? */
|
|
if (!(tty->term->flags & TERM_256COLOURS) &&
|
|
!(tty->term_flags & TERM_256COLOURS)) {
|
|
gc->fg = colour_256to16(gc->fg);
|
|
if (gc->fg & 8) {
|
|
gc->fg &= 7;
|
|
if (colours >= 16)
|
|
gc->fg += 90;
|
|
else
|
|
gc->attr |= GRID_ATTR_BRIGHT;
|
|
} else
|
|
gc->attr &= ~GRID_ATTR_BRIGHT;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/* Is this an aixterm colour? */
|
|
if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
|
|
gc->fg -= 90;
|
|
gc->attr |= GRID_ATTR_BRIGHT;
|
|
}
|
|
}
|
|
|
|
void
|
|
tty_check_bg(struct tty *tty, struct grid_cell *gc)
|
|
{
|
|
u_char r, g, b;
|
|
u_int colours;
|
|
|
|
/* Is this a 24-bit colour? */
|
|
if (gc->bg & COLOUR_FLAG_RGB) {
|
|
/* Not a 24-bit terminal? Translate to 256-colour palette. */
|
|
if (!tty_term_flag(tty->term, TTYC_TC)) {
|
|
colour_split_rgb(gc->bg, &r, &g, &b);
|
|
gc->bg = colour_find_rgb(r, g, b);
|
|
} else
|
|
return;
|
|
}
|
|
colours = tty_term_number(tty->term, TTYC_COLORS);
|
|
|
|
/* Is this a 256-colour colour? */
|
|
if (gc->bg & COLOUR_FLAG_256) {
|
|
/*
|
|
* And not a 256 colour mode? Translate to 16-colour
|
|
* palette. Bold background doesn't exist portably, so just
|
|
* discard the bold bit if set.
|
|
*/
|
|
if (!(tty->term->flags & TERM_256COLOURS) &&
|
|
!(tty->term_flags & TERM_256COLOURS)) {
|
|
gc->bg = colour_256to16(gc->bg);
|
|
if (gc->bg & 8) {
|
|
gc->bg &= 7;
|
|
if (colours >= 16)
|
|
gc->fg += 90;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
/* Is this an aixterm colour? */
|
|
if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
|
|
gc->bg -= 90;
|
|
}
|
|
|
|
static void
|
|
tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
|
|
{
|
|
struct grid_cell *tc = &tty->cell;
|
|
char s[32];
|
|
|
|
/* Is this a 24-bit or 256-colour colour? */
|
|
if (gc->fg & COLOUR_FLAG_RGB ||
|
|
gc->fg & COLOUR_FLAG_256) {
|
|
if (tty_try_colour(tty, gc->fg, "38") == 0)
|
|
goto save_fg;
|
|
/* Should not get here, already converted in tty_check_fg. */
|
|
return;
|
|
}
|
|
|
|
/* Is this an aixterm bright colour? */
|
|
if (gc->fg >= 90 && gc->fg <= 97) {
|
|
xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
|
|
tty_puts(tty, s);
|
|
goto save_fg;
|
|
}
|
|
|
|
/* Otherwise set the foreground colour. */
|
|
tty_putcode1(tty, TTYC_SETAF, gc->fg);
|
|
|
|
save_fg:
|
|
/* Save the new values in the terminal current cell. */
|
|
tc->fg = gc->fg;
|
|
}
|
|
|
|
static void
|
|
tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
|
|
{
|
|
struct grid_cell *tc = &tty->cell;
|
|
char s[32];
|
|
|
|
/* Is this a 24-bit or 256-colour colour? */
|
|
if (gc->bg & COLOUR_FLAG_RGB ||
|
|
gc->bg & COLOUR_FLAG_256) {
|
|
if (tty_try_colour(tty, gc->bg, "48") == 0)
|
|
goto save_bg;
|
|
/* Should not get here, already converted in tty_check_bg. */
|
|
return;
|
|
}
|
|
|
|
/* Is this an aixterm bright colour? */
|
|
if (gc->bg >= 90 && gc->bg <= 97) {
|
|
xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
|
|
tty_puts(tty, s);
|
|
goto save_bg;
|
|
}
|
|
|
|
/* Otherwise set the background colour. */
|
|
tty_putcode1(tty, TTYC_SETAB, gc->bg);
|
|
|
|
save_bg:
|
|
/* Save the new values in the terminal current cell. */
|
|
tc->bg = gc->bg;
|
|
}
|
|
|
|
static int
|
|
tty_try_colour(struct tty *tty, int colour, const char *type)
|
|
{
|
|
u_char r, g, b;
|
|
char s[32];
|
|
|
|
if (colour & COLOUR_FLAG_256) {
|
|
/*
|
|
* If the user has specified -2 to the client, setaf and setab
|
|
* may not work (or they may not want to use them), so send the
|
|
* usual sequence.
|
|
*/
|
|
if (tty->term_flags & TERM_256COLOURS)
|
|
goto fallback_256;
|
|
|
|
/*
|
|
* If the terminfo entry has 256 colours and setaf and setab
|
|
* exist, assume that they work correctly.
|
|
*/
|
|
if (tty->term->flags & TERM_256COLOURS) {
|
|
if (*type == '3') {
|
|
if (!tty_term_has(tty->term, TTYC_SETAF))
|
|
goto fallback_256;
|
|
tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
|
|
} else {
|
|
if (!tty_term_has(tty->term, TTYC_SETAB))
|
|
goto fallback_256;
|
|
tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
|
|
}
|
|
return (0);
|
|
}
|
|
goto fallback_256;
|
|
}
|
|
|
|
if (colour & COLOUR_FLAG_RGB) {
|
|
if (!tty_term_flag(tty->term, TTYC_TC))
|
|
return (-1);
|
|
|
|
colour_split_rgb(colour & 0xffffff, &r, &g, &b);
|
|
xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
|
|
r, g, b);
|
|
tty_puts(tty, s);
|
|
return (0);
|
|
}
|
|
|
|
return (-1);
|
|
|
|
fallback_256:
|
|
xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
|
|
tty_puts(tty, s);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
|
|
{
|
|
struct window *w = wp->window;
|
|
struct options *oo = w->options;
|
|
const struct grid_cell *agc, *pgc, *wgc;
|
|
|
|
if (w->flags & WINDOW_STYLECHANGED) {
|
|
w->flags &= ~WINDOW_STYLECHANGED;
|
|
agc = options_get_style(oo, "window-active-style");
|
|
memcpy(&w->active_style, agc, sizeof w->active_style);
|
|
wgc = options_get_style(oo, "window-style");
|
|
memcpy(&w->style, wgc, sizeof w->style);
|
|
} else {
|
|
agc = &w->active_style;
|
|
wgc = &w->style;
|
|
}
|
|
pgc = &wp->colgc;
|
|
|
|
if (gc->fg == 8) {
|
|
if (pgc->fg != 8)
|
|
gc->fg = pgc->fg;
|
|
else if (wp == w->active && agc->fg != 8)
|
|
gc->fg = agc->fg;
|
|
else
|
|
gc->fg = wgc->fg;
|
|
}
|
|
|
|
if (gc->bg == 8) {
|
|
if (pgc->bg != 8)
|
|
gc->bg = pgc->bg;
|
|
else if (wp == w->active && agc->bg != 8)
|
|
gc->bg = agc->bg;
|
|
else
|
|
gc->bg = wgc->bg;
|
|
}
|
|
}
|
|
|
|
static void
|
|
tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
|
|
{
|
|
static struct grid_cell gc;
|
|
|
|
memcpy(&gc, &grid_default_cell, sizeof gc);
|
|
gc.bg = bg;
|
|
tty_attributes(tty, &gc, wp);
|
|
}
|