mirror of
https://github.com/tmux/tmux.git
synced 2024-11-05 10:28:48 +00:00
427b820426
wasting unnecessary space. The 'Tc' flag must be set in the external TERM entry (using terminal-overrides or a custom terminfo entry), if not tmux will map to the closest of the 256 or 16 colour palettes. Mostly from Suraj N Kurapati, based on a diff originally by someone else.
1822 lines
43 KiB
C
1822 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 <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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void tty_read_callback(struct bufferevent *, void *);
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void tty_error_callback(struct bufferevent *, short, void *);
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static int tty_same_fg(const struct grid_cell *, const struct grid_cell *);
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static int tty_same_bg(const struct grid_cell *, const struct grid_cell *);
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static int tty_same_colours(const struct grid_cell *, const struct grid_cell *);
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static int tty_is_fg(const struct grid_cell *, int);
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static int tty_is_bg(const struct grid_cell *, int);
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void tty_set_italics(struct tty *);
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int tty_try_256(struct tty *, u_char, const char *);
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int tty_try_rgb(struct tty *, const struct grid_cell_rgb *, const char *);
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void tty_colours(struct tty *, const struct grid_cell *);
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void tty_check_fg(struct tty *, struct grid_cell *);
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void tty_check_bg(struct tty *, struct grid_cell *);
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void tty_colours_fg(struct tty *, const struct grid_cell *);
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void tty_colours_bg(struct tty *, const struct grid_cell *);
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int tty_large_region(struct tty *, const struct tty_ctx *);
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int tty_fake_bce(const struct tty *, const struct window_pane *);
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void tty_redraw_region(struct tty *, const struct tty_ctx *);
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void tty_emulate_repeat(struct tty *, enum tty_code_code, enum tty_code_code,
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u_int);
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void tty_repeat_space(struct tty *, u_int);
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void tty_cell(struct tty *, const struct grid_cell *,
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const struct window_pane *);
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void tty_default_colours(struct grid_cell *, const struct window_pane *);
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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_pane_full_width(tty, ctx) \
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((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
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static int
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tty_same_fg(const struct grid_cell *gc1, const struct grid_cell *gc2)
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{
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int flags1, flags2;
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flags1 = (gc1->flags & (GRID_FLAG_FG256|GRID_FLAG_FGRGB));
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flags2 = (gc2->flags & (GRID_FLAG_FG256|GRID_FLAG_FGRGB));
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if (flags1 != flags2)
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return (0);
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if (flags1 & GRID_FLAG_FGRGB) {
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if (gc1->fg_rgb.r != gc2->fg_rgb.r)
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return (0);
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if (gc1->fg_rgb.g != gc2->fg_rgb.g)
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return (0);
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if (gc1->fg_rgb.b != gc2->fg_rgb.b)
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return (0);
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return (1);
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}
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return (gc1->fg == gc2->fg);
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}
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static int
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tty_same_bg(const struct grid_cell *gc1, const struct grid_cell *gc2)
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{
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int flags1, flags2;
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flags1 = (gc1->flags & (GRID_FLAG_BG256|GRID_FLAG_BGRGB));
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flags2 = (gc2->flags & (GRID_FLAG_BG256|GRID_FLAG_BGRGB));
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if (flags1 != flags2)
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return (0);
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if (flags1 & GRID_FLAG_BGRGB) {
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if (gc1->bg_rgb.r != gc2->bg_rgb.r)
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return (0);
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if (gc1->bg_rgb.g != gc2->bg_rgb.g)
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return (0);
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if (gc1->bg_rgb.b != gc2->bg_rgb.b)
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return (0);
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return (1);
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}
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return (gc1->bg == gc2->bg);
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}
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static int
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tty_same_colours(const struct grid_cell *gc1, const struct grid_cell *gc2)
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{
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return (tty_same_fg(gc1, gc2) && tty_same_bg(gc1, gc2));
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}
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static int
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tty_is_fg(const struct grid_cell *gc, int c)
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{
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if (gc->flags & (GRID_FLAG_FG256|GRID_FLAG_FGRGB))
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return (0);
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return (gc->fg == c);
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}
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static int
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tty_is_bg(const struct grid_cell *gc, int c)
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{
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if (gc->flags & (GRID_FLAG_BG256|GRID_FLAG_BGRGB))
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return (0);
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return (gc->bg == c);
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}
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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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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 = UINT_MAX;
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tty->rlower = 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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}
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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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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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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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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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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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}
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tty->cx = UINT_MAX;
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tty->cy = UINT_MAX;
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tty->rlower = UINT_MAX;
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tty->rupper = 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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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_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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|
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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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|
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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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|
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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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|
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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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u_int sx;
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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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sx = tty->sx;
|
|
if (tty->term->flags & TERM_EARLYWRAP)
|
|
sx--;
|
|
|
|
if (tty->cx >= sx) {
|
|
tty->cx = 1;
|
|
if (tty->cy != tty->rlower)
|
|
tty->cy++;
|
|
} else
|
|
tty->cx++;
|
|
}
|
|
|
|
if (tty_log_fd != -1)
|
|
write(tty_log_fd, &ch, 1);
|
|
}
|
|
|
|
void
|
|
tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
|
|
{
|
|
bufferevent_write(tty->event, buf, len);
|
|
if (tty_log_fd != -1)
|
|
write(tty_log_fd, buf, len);
|
|
tty->cx += width;
|
|
}
|
|
|
|
void
|
|
tty_set_italics(struct tty *tty)
|
|
{
|
|
const char *s;
|
|
|
|
if (tty_term_has(tty->term, TTYC_SITM)) {
|
|
s = options_get_string(global_options, "default-terminal");
|
|
if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
|
|
tty_putcode(tty, TTYC_SITM);
|
|
return;
|
|
}
|
|
}
|
|
tty_putcode(tty, TTYC_SMSO);
|
|
}
|
|
|
|
void
|
|
tty_set_title(struct tty *tty, const char *title)
|
|
{
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
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.
|
|
*/
|
|
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.
|
|
*/
|
|
int
|
|
tty_fake_bce(const struct tty *tty, const struct window_pane *wp)
|
|
{
|
|
struct grid_cell gc;
|
|
|
|
memcpy(&gc, &grid_default_cell, sizeof gc);
|
|
tty_default_colours(&gc, wp);
|
|
|
|
if (gc.bg == 8 && !(gc.flags & GRID_FLAG_BG256))
|
|
return (0);
|
|
return (!tty_term_flag(tty->term, TTYC_BCE));
|
|
}
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
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;
|
|
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 (screen_check_selection(s, i, py)) {
|
|
gc.flags &= ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
|
|
gc.flags |= s->sel.cell.flags &
|
|
(GRID_FLAG_FG256|GRID_FLAG_BG256);
|
|
}
|
|
tty_cell(tty, &gc, wp);
|
|
}
|
|
|
|
if (sx < tty->sx) {
|
|
tty_attributes(tty, &grid_default_cell, wp);
|
|
|
|
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))
|
|
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);
|
|
}
|
|
|
|
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_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
|
|
return;
|
|
}
|
|
|
|
tty_attributes(tty, &grid_default_cell, wp);
|
|
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
|
|
if (!tty_fake_bce(tty, wp) && (tty_term_has(tty->term, TTYC_ICH) ||
|
|
tty_term_has(tty->term, TTYC_ICH1)))
|
|
tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
|
|
else
|
|
tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
|
|
}
|
|
|
|
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) ||
|
|
(!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_attributes(tty, &grid_default_cell, wp);
|
|
|
|
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
|
|
|
|
if (tty_term_has(tty->term, TTYC_DCH) ||
|
|
tty_term_has(tty->term, TTYC_DCH1))
|
|
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))
|
|
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) ||
|
|
!tty_term_has(tty->term, TTYC_CSR) ||
|
|
!tty_term_has(tty->term, TTYC_IL1)) {
|
|
tty_redraw_region(tty, ctx);
|
|
return;
|
|
}
|
|
|
|
tty_attributes(tty, &grid_default_cell, ctx->wp);
|
|
|
|
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
|
|
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) ||
|
|
!tty_term_has(tty->term, TTYC_CSR) ||
|
|
!tty_term_has(tty->term, TTYC_DL1)) {
|
|
tty_redraw_region(tty, ctx);
|
|
return;
|
|
}
|
|
|
|
tty_attributes(tty, &grid_default_cell, ctx->wp);
|
|
|
|
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
|
|
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_attributes(tty, &grid_default_cell, wp);
|
|
|
|
tty_cursor_pane(tty, ctx, 0, ctx->ocy);
|
|
|
|
if (tty_pane_full_width(tty, ctx) && !tty_fake_bce(tty, wp) &&
|
|
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_attributes(tty, &grid_default_cell, wp);
|
|
|
|
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))
|
|
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)
|
|
{
|
|
tty_attributes(tty, &grid_default_cell, ctx->wp);
|
|
|
|
if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1) &&
|
|
!tty_fake_bce(tty, ctx->wp)) {
|
|
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) ||
|
|
!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_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_fake_bce(tty, wp) ||
|
|
!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), don't do
|
|
* anything - the cursor can just be moved to the last cell and wrap
|
|
* naturally.
|
|
*/
|
|
if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
|
|
return;
|
|
|
|
tty_attributes(tty, &grid_default_cell, wp);
|
|
|
|
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
|
|
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_attributes(tty, &grid_default_cell, wp);
|
|
|
|
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
|
|
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)) {
|
|
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_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)) {
|
|
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_attributes(tty, &grid_default_cell, wp);
|
|
|
|
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
|
|
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)) {
|
|
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);
|
|
|
|
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;
|
|
u_int width;
|
|
|
|
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
|
|
|
|
/* 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);
|
|
}
|
|
|
|
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 (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
|
|
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. */
|
|
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);
|
|
}
|
|
|
|
/* Move cursor inside pane. */
|
|
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)) {
|
|
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);
|
|
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);
|
|
}
|
|
|
|
void
|
|
tty_colours(struct tty *tty, const struct grid_cell *gc)
|
|
{
|
|
struct grid_cell *tc = &tty->cell;
|
|
int have_ax, fg_default, bg_default;
|
|
|
|
/* No changes? Nothing is necessary. */
|
|
if (tty_same_colours(gc, tc))
|
|
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.
|
|
*/
|
|
fg_default = tty_is_fg(gc, 8);
|
|
bg_default = tty_is_bg(gc, 8);
|
|
if (fg_default || bg_default) {
|
|
/*
|
|
* 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 (fg_default && !tty_is_fg(tc, 8)) {
|
|
if (have_ax)
|
|
tty_puts(tty, "\033[39m");
|
|
else if (!tty_is_fg(tc, 7))
|
|
tty_putcode1(tty, TTYC_SETAF, 7);
|
|
tc->fg = 8;
|
|
tc->flags &= ~(GRID_FLAG_FG256|GRID_FLAG_FGRGB);
|
|
}
|
|
if (bg_default && !tty_is_bg(tc, 8)) {
|
|
if (have_ax)
|
|
tty_puts(tty, "\033[49m");
|
|
else if (!tty_is_bg(tc, 0))
|
|
tty_putcode1(tty, TTYC_SETAB, 0);
|
|
tc->bg = 8;
|
|
tc->flags &= ~(GRID_FLAG_BG256|GRID_FLAG_BGRGB);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Set the foreground colour. */
|
|
if (!fg_default && !tty_same_fg(gc, tc))
|
|
tty_colours_fg(tty, gc);
|
|
|
|
/*
|
|
* Set the background colour. This must come after the foreground as
|
|
* tty_colour_fg() can call tty_reset().
|
|
*/
|
|
if (!bg_default && !tty_same_bg(gc, tc))
|
|
tty_colours_bg(tty, gc);
|
|
}
|
|
|
|
void
|
|
tty_check_fg(struct tty *tty, struct grid_cell *gc)
|
|
{
|
|
struct grid_cell_rgb *rgb = &gc->fg_rgb;
|
|
u_int colours;
|
|
|
|
/* Is this a 24-bit colour? */
|
|
if (gc->flags & GRID_FLAG_FGRGB) {
|
|
/* Not a 24-bit terminal? Translate to 256-colour palette. */
|
|
if (!tty_term_flag(tty->term, TTYC_TC)) {
|
|
gc->flags &= ~GRID_FLAG_FGRGB;
|
|
gc->flags |= GRID_FLAG_FG256;
|
|
gc->fg = colour_find_rgb(rgb->r, rgb->g, rgb->b);
|
|
}
|
|
}
|
|
colours = tty_term_number(tty->term, TTYC_COLORS);
|
|
|
|
/* Is this a 256-colour colour? */
|
|
if (gc->flags & GRID_FLAG_FG256) {
|
|
/* 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;
|
|
gc->flags &= ~GRID_FLAG_FG256;
|
|
}
|
|
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)
|
|
{
|
|
struct grid_cell_rgb *rgb = &gc->bg_rgb;
|
|
u_int colours;
|
|
|
|
/* Is this a 24-bit colour? */
|
|
if (gc->flags & GRID_FLAG_BGRGB) {
|
|
/* Not a 24-bit terminal? Translate to 256-colour palette. */
|
|
if (!tty_term_flag(tty->term, TTYC_TC)) {
|
|
gc->flags &= ~GRID_FLAG_BGRGB;
|
|
gc->flags |= GRID_FLAG_BG256;
|
|
gc->bg = colour_find_rgb(rgb->r, rgb->g, rgb->b);
|
|
}
|
|
}
|
|
colours = tty_term_number(tty->term, TTYC_COLORS);
|
|
|
|
/* Is this a 256-colour colour? */
|
|
if (gc->flags & GRID_FLAG_BG256) {
|
|
/*
|
|
* 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;
|
|
}
|
|
gc->flags &= ~GRID_FLAG_BG256;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/* Is this an aixterm colour? */
|
|
if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
|
|
gc->bg -= 90;
|
|
}
|
|
|
|
void
|
|
tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
|
|
{
|
|
struct grid_cell *tc = &tty->cell;
|
|
u_char fg = gc->fg;
|
|
char s[32];
|
|
|
|
tc->flags &= ~(GRID_FLAG_FG256|GRID_FLAG_FGRGB);
|
|
|
|
/* Is this a 24-bit colour? */
|
|
if (gc->flags & GRID_FLAG_FGRGB) {
|
|
if (tty_try_rgb(tty, &gc->fg_rgb, "38") == 0)
|
|
goto save_fg;
|
|
/* Should not get here, already converted in tty_check_fg. */
|
|
return;
|
|
}
|
|
|
|
/* Is this a 256-colour colour? */
|
|
if (gc->flags & GRID_FLAG_FG256) {
|
|
if (tty_try_256(tty, fg, "38") == 0)
|
|
goto save_fg;
|
|
/* Should not get here, already converted in tty_check_fg. */
|
|
return;
|
|
}
|
|
|
|
/* Is this an aixterm bright colour? */
|
|
if (fg >= 90 && fg <= 97) {
|
|
xsnprintf(s, sizeof s, "\033[%dm", fg);
|
|
tty_puts(tty, s);
|
|
goto save_fg;
|
|
}
|
|
|
|
/* Otherwise set the foreground colour. */
|
|
tty_putcode1(tty, TTYC_SETAF, fg);
|
|
|
|
save_fg:
|
|
/* Save the new values in the terminal current cell. */
|
|
if (gc->flags & GRID_FLAG_FGRGB)
|
|
memcpy(&tc->fg_rgb, &gc->fg_rgb, sizeof tc->fg_rgb);
|
|
else
|
|
tc->fg = fg;
|
|
tc->flags &= ~(GRID_FLAG_FGRGB|GRID_FLAG_FG256);
|
|
tc->flags |= (gc->flags & (GRID_FLAG_FG256|GRID_FLAG_FGRGB));
|
|
}
|
|
|
|
void
|
|
tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
|
|
{
|
|
struct grid_cell *tc = &tty->cell;
|
|
u_char bg = gc->bg;
|
|
char s[32];
|
|
|
|
/* Is this a 24-bit colour? */
|
|
if (gc->flags & GRID_FLAG_BGRGB) {
|
|
if (tty_try_rgb(tty, &gc->bg_rgb, "48") == 0)
|
|
goto save_bg;
|
|
/* Should not get here, already converted in tty_check_bg. */
|
|
return;
|
|
}
|
|
|
|
/* Is this a 256-colour colour? */
|
|
if (gc->flags & GRID_FLAG_BG256) {
|
|
if (tty_try_256(tty, bg, "48") == 0)
|
|
goto save_bg;
|
|
/* Should not get here, already converted in tty_check_bg. */
|
|
return;
|
|
}
|
|
|
|
/* Is this an aixterm bright colour? */
|
|
if (bg >= 90 && bg <= 97) {
|
|
xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
|
|
tty_puts(tty, s);
|
|
goto save_bg;
|
|
}
|
|
|
|
/* Otherwise set the background colour. */
|
|
tty_putcode1(tty, TTYC_SETAB, bg);
|
|
|
|
save_bg:
|
|
/* Save the new values in the terminal current cell. */
|
|
if (gc->flags & GRID_FLAG_BGRGB)
|
|
memcpy(&tc->bg_rgb, &gc->bg_rgb, sizeof tc->bg_rgb);
|
|
else
|
|
tc->bg = bg;
|
|
tc->flags &= ~(GRID_FLAG_BGRGB|GRID_FLAG_BG256);
|
|
tc->flags |= (gc->flags & (GRID_FLAG_BG256|GRID_FLAG_BGRGB));
|
|
}
|
|
|
|
int
|
|
tty_try_256(struct tty *tty, u_char colour, const char *type)
|
|
{
|
|
char s[32];
|
|
|
|
/*
|
|
* 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;
|
|
|
|
/*
|
|
* 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;
|
|
tty_putcode1(tty, TTYC_SETAF, colour);
|
|
} else {
|
|
if (!tty_term_has(tty->term, TTYC_SETAB))
|
|
goto fallback;
|
|
tty_putcode1(tty, TTYC_SETAB, colour);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
return (-1);
|
|
|
|
fallback:
|
|
xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
|
|
tty_puts(tty, s);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
tty_try_rgb(struct tty *tty, const struct grid_cell_rgb *rgb, const char *type)
|
|
{
|
|
char s[32];
|
|
|
|
if (!tty_term_flag(tty->term, TTYC_TC))
|
|
return (-1);
|
|
|
|
xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type, rgb->r,
|
|
rgb->g, rgb->b);
|
|
tty_puts(tty, s);
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
|
|
{
|
|
const struct grid_cell *agc, *pgc, *wgc;
|
|
|
|
if (wp == NULL)
|
|
return;
|
|
|
|
pgc = &wp->colgc;
|
|
agc = options_get_style(wp->window->options, "window-active-style");
|
|
wgc = options_get_style(wp->window->options, "window-style");
|
|
|
|
if (gc->fg == 8 && !(gc->flags & GRID_FLAG_FG256)) {
|
|
if (pgc->fg != 8 || (pgc->flags & GRID_FLAG_FG256)) {
|
|
gc->fg = pgc->fg;
|
|
gc->flags |= (pgc->flags & GRID_FLAG_FG256);
|
|
} else if (wp == wp->window->active &&
|
|
(agc->fg != 8 || (agc->flags & GRID_FLAG_FG256))) {
|
|
gc->fg = agc->fg;
|
|
gc->flags |= (agc->flags & GRID_FLAG_FG256);
|
|
} else {
|
|
gc->fg = wgc->fg;
|
|
gc->flags |= (wgc->flags & GRID_FLAG_FG256);
|
|
}
|
|
}
|
|
|
|
if (gc->bg == 8 && !(gc->flags & GRID_FLAG_BG256)) {
|
|
if (pgc->bg != 8 || (pgc->flags & GRID_FLAG_BG256)) {
|
|
gc->bg = pgc->bg;
|
|
gc->flags |= (pgc->flags & GRID_FLAG_BG256);
|
|
} else if (wp == wp->window->active &&
|
|
(agc->bg != 8 || (agc->flags & GRID_FLAG_BG256))) {
|
|
gc->bg = agc->bg;
|
|
gc->flags |= (agc->flags & GRID_FLAG_BG256);
|
|
} else {
|
|
gc->bg = wgc->bg;
|
|
gc->flags |= (wgc->flags & GRID_FLAG_BG256);
|
|
}
|
|
}
|
|
}
|