mirror of
https://github.com/tmux/tmux.git
synced 2024-11-18 10:28:54 +00:00
9dd72b9583
so on but where the linked windows are synchronized (ie creating, killing windows and so on are mirrored between the sessions). A grouped session may be created by passing -t to new-session. Had this around for a while, tested by a couple of people.
1056 lines
25 KiB
C
1056 lines
25 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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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/time.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "tmux.h"
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char *status_replace_popen(char **);
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size_t status_width(struct winlink *);
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char *status_print(struct session *, struct winlink *, struct grid_cell *);
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void status_prompt_add_history(struct client *);
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char *status_prompt_complete(const char *);
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/* Draw status for client on the last lines of given context. */
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int
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status_redraw(struct client *c)
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{
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struct screen_write_ctx ctx;
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struct session *s = c->session;
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struct winlink *wl;
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struct screen old_status;
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char *left, *right, *text, *ptr;
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size_t llen, llen2, rlen, rlen2, offset;
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size_t ox, xx, yy, size, start, width;
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struct grid_cell stdgc, sl_stdgc, sr_stdgc, gc;
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int larrow, rarrow, utf8flag;
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int sl_fg, sl_bg, sr_fg, sr_bg;
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int sl_attr, sr_attr;
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left = right = NULL;
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/* No status line?*/
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if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
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return (1);
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larrow = rarrow = 0;
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/* Create the target screen. */
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memcpy(&old_status, &c->status, sizeof old_status);
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screen_init(&c->status, c->tty.sx, 1, 0);
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if (gettimeofday(&c->status_timer, NULL) != 0)
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fatal("gettimeofday failed");
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memcpy(&stdgc, &grid_default_cell, sizeof gc);
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colour_set_fg(&stdgc, options_get_number(&s->options, "status-fg"));
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colour_set_bg(&stdgc, options_get_number(&s->options, "status-bg"));
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stdgc.attr |= options_get_number(&s->options, "status-attr");
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/*
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* Set the status-left and status-right parts to the default status
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* line options and only change them where they differ from the
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* defaults.
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*/
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memcpy(&sl_stdgc, &stdgc, sizeof sl_stdgc);
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memcpy(&sr_stdgc, &stdgc, sizeof sr_stdgc);
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sl_fg = options_get_number(&s->options, "status-left-fg");
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if (sl_fg != 8)
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colour_set_fg(&sl_stdgc, sl_fg);
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sl_bg = options_get_number(&s->options, "status-left-bg");
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if (sl_bg != 8)
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colour_set_bg(&sl_stdgc, sl_bg);
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sl_attr = options_get_number(&s->options, "status-left-attr");
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if (sl_attr != 0)
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sl_stdgc.attr = sl_attr;
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sr_fg = options_get_number(&s->options, "status-right-fg");
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if (sr_fg != 8)
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colour_set_fg(&sr_stdgc, sr_fg);
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sr_bg = options_get_number(&s->options, "status-right-bg");
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if (sr_bg != 8)
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colour_set_bg(&sr_stdgc, sr_bg);
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sr_attr = options_get_number(&s->options, "status-right-attr");
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if (sr_attr != 0)
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sr_stdgc.attr = sr_attr;
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yy = c->tty.sy - 1;
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if (yy == 0)
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goto blank;
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/* Caring about UTF-8 in status line? */
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utf8flag = options_get_number(&s->options, "status-utf8");
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/* Work out the left and right strings. */
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left = status_replace(s, options_get_string(
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&s->options, "status-left"), c->status_timer.tv_sec);
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llen = options_get_number(&s->options, "status-left-length");
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llen2 = screen_write_cstrlen(utf8flag, "%s", left);
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if (llen2 < llen)
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llen = llen2;
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right = status_replace(s, options_get_string(
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&s->options, "status-right"), c->status_timer.tv_sec);
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rlen = options_get_number(&s->options, "status-right-length");
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rlen2 = screen_write_cstrlen(utf8flag, "%s", right);
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if (rlen2 < rlen)
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rlen = rlen2;
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/*
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* Figure out how much space we have for the window list. If there isn't
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* enough space, just wimp out.
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*/
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xx = 0;
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if (llen != 0)
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xx += llen + 1;
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if (rlen != 0)
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xx += rlen + 1;
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if (c->tty.sx == 0 || c->tty.sx <= xx)
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goto blank;
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xx = c->tty.sx - xx;
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/*
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* Right. We have xx characters to fill. Find out how much is to go in
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* them and the offset of the current window (it must be on screen).
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*/
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width = offset = 0;
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RB_FOREACH(wl, winlinks, &s->windows) {
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size = status_width(wl) + 1;
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if (wl == s->curw)
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offset = width;
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width += size;
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}
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start = 0;
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/* If there is enough space for the total width, all is gravy. */
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if (width <= xx)
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goto draw;
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/* Find size of current window text. */
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size = status_width(s->curw);
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/*
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* If the offset is already on screen, we're good to draw from the
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* start and just leave off the end.
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*/
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if (offset + size < xx) {
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if (xx > 0) {
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rarrow = 1;
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xx--;
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}
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width = xx;
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goto draw;
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}
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/*
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* Work out how many characters we need to omit from the start. There
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* are xx characters to fill, and offset + size must be the last. So,
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* the start character is offset + size - xx.
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*/
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if (xx > 0) {
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larrow = 1;
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xx--;
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}
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start = offset + size - xx;
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if (xx > 0 && width > start + xx + 1) { /* + 1, eh? */
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rarrow = 1;
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start++;
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xx--;
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}
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width = xx;
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draw:
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/* Bail here if anything is too small too. XXX. */
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if (width == 0 || xx == 0)
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goto blank;
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/* Begin drawing and move to the starting position. */
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screen_write_start(&ctx, NULL, &c->status);
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if (llen != 0) {
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screen_write_cursormove(&ctx, 0, yy);
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screen_write_cnputs(&ctx, llen, &sl_stdgc, utf8flag, "%s", left);
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screen_write_putc(&ctx, &stdgc, ' ');
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if (larrow)
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screen_write_putc(&ctx, &stdgc, ' ');
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} else {
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if (larrow)
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screen_write_cursormove(&ctx, 1, yy);
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else
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screen_write_cursormove(&ctx, 0, yy);
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}
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ox = 0;
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if (width < xx) {
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switch (options_get_number(&s->options, "status-justify")) {
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case 1: /* centered */
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ox = 1 + (xx - width) / 2;
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break;
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case 2: /* right */
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ox = 1 + (xx - width);
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break;
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}
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xx -= ox;
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while (ox-- > 0)
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screen_write_putc(&ctx, &stdgc, ' ');
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}
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/* Draw each character in succession. */
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offset = 0;
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RB_FOREACH(wl, winlinks, &s->windows) {
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memcpy(&gc, &stdgc, sizeof gc);
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text = status_print(s, wl, &gc);
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if (larrow == 1 && offset < start) {
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if (session_alert_has(s, wl, WINDOW_ACTIVITY))
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larrow = -1;
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else if (session_alert_has(s, wl, WINDOW_BELL))
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larrow = -1;
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else if (session_alert_has(s, wl, WINDOW_CONTENT))
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larrow = -1;
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}
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for (ptr = text; *ptr != '\0'; ptr++) {
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if (offset >= start && offset < start + width)
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screen_write_putc(&ctx, &gc, *ptr);
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offset++;
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}
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if (rarrow == 1 && offset > start + width) {
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if (session_alert_has(s, wl, WINDOW_ACTIVITY))
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rarrow = -1;
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else if (session_alert_has(s, wl, WINDOW_BELL))
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rarrow = -1;
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else if (session_alert_has(s, wl, WINDOW_CONTENT))
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rarrow = -1;
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}
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if (offset < start + width) {
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if (offset >= start) {
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screen_write_putc(&ctx, &stdgc, ' ');
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}
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offset++;
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}
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xfree(text);
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}
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/* Fill the remaining space if any. */
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while (offset++ < xx)
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screen_write_putc(&ctx, &stdgc, ' ');
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/* Draw the last item. */
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if (rlen != 0) {
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screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, yy);
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screen_write_putc(&ctx, &stdgc, ' ');
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screen_write_cnputs(&ctx, rlen, &sr_stdgc, utf8flag, "%s", right);
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}
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/* Draw the arrows. */
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if (larrow != 0) {
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memcpy(&gc, &stdgc, sizeof gc);
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if (larrow == -1)
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gc.attr ^= GRID_ATTR_REVERSE;
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if (llen != 0)
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screen_write_cursormove(&ctx, llen + 1, yy);
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else
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screen_write_cursormove(&ctx, 0, yy);
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screen_write_putc(&ctx, &gc, '<');
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}
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if (rarrow != 0) {
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memcpy(&gc, &stdgc, sizeof gc);
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if (rarrow == -1)
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gc.attr ^= GRID_ATTR_REVERSE;
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if (rlen != 0)
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screen_write_cursormove(&ctx, c->tty.sx - rlen - 2, yy);
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else
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screen_write_cursormove(&ctx, c->tty.sx - 1, yy);
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screen_write_putc(&ctx, &gc, '>');
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}
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goto out;
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blank:
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/* Just draw the whole line as blank. */
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screen_write_start(&ctx, NULL, &c->status);
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screen_write_cursormove(&ctx, 0, yy);
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for (offset = 0; offset < c->tty.sx; offset++)
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screen_write_putc(&ctx, &stdgc, ' ');
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out:
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screen_write_stop(&ctx);
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if (left != NULL)
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xfree(left);
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if (right != NULL)
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xfree(right);
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if (grid_compare(c->status.grid, old_status.grid) == 0) {
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screen_free(&old_status);
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return (0);
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}
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screen_free(&old_status);
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return (1);
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}
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char *
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status_replace(struct session *s, const char *fmt, time_t t)
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{
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struct winlink *wl = s->curw;
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static char out[BUFSIZ];
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char in[BUFSIZ], tmp[256], ch, *iptr, *optr, *ptr, *endptr;
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char *savedptr;
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size_t len;
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long n;
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strftime(in, sizeof in, fmt, localtime(&t));
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in[(sizeof in) - 1] = '\0';
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iptr = in;
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optr = out;
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savedptr = NULL;
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while (*iptr != '\0') {
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if (optr >= out + (sizeof out) - 1)
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break;
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switch (ch = *iptr++) {
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case '#':
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errno = 0;
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n = strtol(iptr, &endptr, 10);
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if ((n == 0 && errno != EINVAL) ||
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(n == LONG_MIN && errno != ERANGE) ||
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(n == LONG_MAX && errno != ERANGE) ||
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n != 0)
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iptr = endptr;
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if (n <= 0)
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n = LONG_MAX;
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ptr = NULL;
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switch (*iptr++) {
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case '(':
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if (ptr == NULL) {
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ptr = status_replace_popen(&iptr);
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if (ptr == NULL)
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break;
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savedptr = ptr;
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}
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/* FALLTHROUGH */
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case 'H':
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if (ptr == NULL) {
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if (gethostname(tmp, sizeof tmp) != 0)
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fatal("gethostname failed");
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ptr = tmp;
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}
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/* FALLTHROUGH */
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case 'I':
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if (ptr == NULL) {
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xsnprintf(tmp, sizeof tmp, "%d", wl->idx);
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ptr = tmp;
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}
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/* FALLTHROUGH */
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case 'P':
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if (ptr == NULL) {
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xsnprintf(tmp, sizeof tmp, "%u",
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window_pane_index(wl->window,
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wl->window->active));
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ptr = tmp;
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}
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/* FALLTHROUGH */
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case 'S':
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if (ptr == NULL)
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ptr = s->name;
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/* FALLTHROUGH */
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case 'T':
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if (ptr == NULL)
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ptr = wl->window->active->base.title;
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/* FALLTHROUGH */
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case 'W':
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if (ptr == NULL)
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ptr = wl->window->name;
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len = strlen(ptr);
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if ((size_t) n < len)
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len = n;
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if (optr + len >= out + (sizeof out) - 1)
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break;
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while (len > 0 && *ptr != '\0') {
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*optr++ = *ptr++;
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len--;
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}
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break;
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case '[':
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/*
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* Embedded style, handled at display time.
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* Leave present and skip input until ].
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*/
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*optr++ = '#';
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iptr--; /* include [ */
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while (*iptr != ']' && *iptr != '\0') {
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if (optr >= out + (sizeof out) - 1)
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break;
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*optr++ = *iptr++;
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}
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break;
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case '#':
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*optr++ = '#';
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break;
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}
|
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if (savedptr != NULL) {
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xfree(savedptr);
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savedptr = NULL;
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}
|
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break;
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default:
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*optr++ = ch;
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break;
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}
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}
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*optr = '\0';
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|
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return (xstrdup(out));
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}
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|
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char *
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status_replace_popen(char **iptr)
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{
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FILE *f;
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char *buf, *cmd, *ptr;
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int lastesc;
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size_t len;
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|
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if (**iptr == '\0')
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return (NULL);
|
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if (**iptr == ')') { /* no command given */
|
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(*iptr)++;
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return (NULL);
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}
|
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|
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buf = NULL;
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|
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cmd = xmalloc(strlen(*iptr) + 1);
|
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len = 0;
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|
|
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lastesc = 0;
|
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for (; **iptr != '\0'; (*iptr)++) {
|
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if (!lastesc && **iptr == ')')
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break; /* unescaped ) is the end */
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if (!lastesc && **iptr == '\\') {
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lastesc = 1;
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continue; /* skip \ if not escaped */
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}
|
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lastesc = 0;
|
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cmd[len++] = **iptr;
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}
|
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if (**iptr == '\0') /* no terminating ) */
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goto out;
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(*iptr)++; /* skip final ) */
|
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cmd[len] = '\0';
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|
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if ((f = popen(cmd, "r")) == NULL)
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goto out;
|
|
|
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if ((buf = fgetln(f, &len)) == NULL) {
|
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pclose(f);
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goto out;
|
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}
|
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if (buf[len - 1] == '\n') {
|
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buf[len - 1] = '\0';
|
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buf = xstrdup(buf);
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} else {
|
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ptr = xmalloc(len + 1);
|
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memcpy(ptr, buf, len);
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ptr[len] = '\0';
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buf = ptr;
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}
|
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pclose(f);
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|
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out:
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xfree(cmd);
|
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return (buf);
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}
|
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|
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size_t
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status_width(struct winlink *wl)
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{
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return (xsnprintf(NULL, 0, "%d:%s ", wl->idx, wl->window->name));
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}
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|
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char *
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status_print(struct session *s, struct winlink *wl, struct grid_cell *gc)
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{
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struct options *oo = &wl->window->options;
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char *text, flag;
|
|
u_char fg, bg, attr;
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|
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fg = options_get_number(oo, "window-status-fg");
|
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if (fg != 8)
|
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colour_set_fg(gc, fg);
|
|
bg = options_get_number(oo, "window-status-bg");
|
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if (bg != 8)
|
|
colour_set_bg(gc, bg);
|
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attr = options_get_number(oo, "window-status-attr");
|
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if (attr != 0)
|
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gc->attr = attr;
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|
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flag = ' ';
|
|
if (wl == TAILQ_FIRST(&s->lastw))
|
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flag = '-';
|
|
if (wl == s->curw) {
|
|
fg = options_get_number(oo, "window-status-current-fg");
|
|
if (fg != 8)
|
|
colour_set_fg(gc, fg);
|
|
bg = options_get_number(oo, "window-status-current-bg");
|
|
if (bg != 8)
|
|
colour_set_bg(gc, bg);
|
|
attr = options_get_number(oo, "window-status-current-attr");
|
|
if (attr != 0)
|
|
gc->attr = attr;
|
|
flag = '*';
|
|
}
|
|
|
|
if (session_alert_has(s, wl, WINDOW_ACTIVITY)) {
|
|
flag = '#';
|
|
gc->attr ^= GRID_ATTR_REVERSE;
|
|
} else if (session_alert_has(s, wl, WINDOW_BELL)) {
|
|
flag = '!';
|
|
gc->attr ^= GRID_ATTR_REVERSE;
|
|
} else if (session_alert_has(s, wl, WINDOW_CONTENT)) {
|
|
flag = '+';
|
|
gc->attr ^= GRID_ATTR_REVERSE;
|
|
}
|
|
|
|
xasprintf(&text, "%d:%s%c", wl->idx, wl->window->name, flag);
|
|
return (text);
|
|
}
|
|
|
|
void printflike2
|
|
status_message_set(struct client *c, const char *fmt, ...)
|
|
{
|
|
struct timeval tv;
|
|
va_list ap;
|
|
int delay;
|
|
|
|
status_prompt_clear(c);
|
|
status_message_clear(c);
|
|
|
|
va_start(ap, fmt);
|
|
xvasprintf(&c->message_string, fmt, ap);
|
|
va_end(ap);
|
|
|
|
delay = options_get_number(&c->session->options, "display-time");
|
|
tv.tv_sec = delay / 1000;
|
|
tv.tv_usec = (delay % 1000) * 1000L;
|
|
|
|
if (gettimeofday(&c->message_timer, NULL) != 0)
|
|
fatal("gettimeofday failed");
|
|
timeradd(&c->message_timer, &tv, &c->message_timer);
|
|
|
|
c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
|
|
void
|
|
status_message_clear(struct client *c)
|
|
{
|
|
if (c->message_string == NULL)
|
|
return;
|
|
|
|
xfree(c->message_string);
|
|
c->message_string = NULL;
|
|
|
|
c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
|
|
c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
|
|
|
|
screen_reinit(&c->status);
|
|
}
|
|
|
|
/* Draw client message on status line of present else on last line. */
|
|
int
|
|
status_message_redraw(struct client *c)
|
|
{
|
|
struct screen_write_ctx ctx;
|
|
struct session *s = c->session;
|
|
struct screen old_status;
|
|
size_t len;
|
|
struct grid_cell gc;
|
|
|
|
if (c->tty.sx == 0 || c->tty.sy == 0)
|
|
return (0);
|
|
memcpy(&old_status, &c->status, sizeof old_status);
|
|
screen_init(&c->status, c->tty.sx, 1, 0);
|
|
|
|
len = strlen(c->message_string);
|
|
if (len > c->tty.sx)
|
|
len = c->tty.sx;
|
|
|
|
memcpy(&gc, &grid_default_cell, sizeof gc);
|
|
colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
|
|
colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
|
|
gc.attr |= options_get_number(&s->options, "message-attr");
|
|
|
|
screen_write_start(&ctx, NULL, &c->status);
|
|
|
|
screen_write_cursormove(&ctx, 0, 0);
|
|
screen_write_puts(&ctx, &gc, "%.*s", (int) len, c->message_string);
|
|
for (; len < c->tty.sx; len++)
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
|
|
screen_write_stop(&ctx);
|
|
|
|
if (grid_compare(c->status.grid, old_status.grid) == 0) {
|
|
screen_free(&old_status);
|
|
return (0);
|
|
}
|
|
screen_free(&old_status);
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
status_prompt_set(struct client *c, const char *msg,
|
|
int (*callbackfn)(void *, const char *), void (*freefn)(void *),
|
|
void *data, int flags)
|
|
{
|
|
int keys;
|
|
|
|
status_message_clear(c);
|
|
status_prompt_clear(c);
|
|
|
|
c->prompt_string = xstrdup(msg);
|
|
|
|
c->prompt_buffer = xstrdup("");
|
|
c->prompt_index = 0;
|
|
|
|
c->prompt_callbackfn = callbackfn;
|
|
c->prompt_freefn = freefn;
|
|
c->prompt_data = data;
|
|
|
|
c->prompt_hindex = 0;
|
|
|
|
c->prompt_flags = flags;
|
|
|
|
keys = options_get_number(&c->session->options, "status-keys");
|
|
if (keys == MODEKEY_EMACS)
|
|
mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
|
|
else
|
|
mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
|
|
|
|
c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
|
|
void
|
|
status_prompt_clear(struct client *c)
|
|
{
|
|
if (c->prompt_string == NULL)
|
|
return;
|
|
|
|
if (c->prompt_freefn != NULL && c->prompt_data != NULL)
|
|
c->prompt_freefn(c->prompt_data);
|
|
|
|
xfree(c->prompt_string);
|
|
c->prompt_string = NULL;
|
|
|
|
xfree(c->prompt_buffer);
|
|
c->prompt_buffer = NULL;
|
|
|
|
c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
|
|
c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
|
|
|
|
screen_reinit(&c->status);
|
|
}
|
|
|
|
void
|
|
status_prompt_update(struct client *c, const char *msg)
|
|
{
|
|
xfree(c->prompt_string);
|
|
c->prompt_string = xstrdup(msg);
|
|
|
|
*c->prompt_buffer = '\0';
|
|
c->prompt_index = 0;
|
|
|
|
c->prompt_hindex = 0;
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
|
|
/* Draw client prompt on status line of present else on last line. */
|
|
int
|
|
status_prompt_redraw(struct client *c)
|
|
{
|
|
struct screen_write_ctx ctx;
|
|
struct session *s = c->session;
|
|
struct screen old_status;
|
|
size_t i, size, left, len, off;
|
|
char ch;
|
|
struct grid_cell gc;
|
|
|
|
if (c->tty.sx == 0 || c->tty.sy == 0)
|
|
return (0);
|
|
memcpy(&old_status, &c->status, sizeof old_status);
|
|
screen_init(&c->status, c->tty.sx, 1, 0);
|
|
off = 0;
|
|
|
|
len = strlen(c->prompt_string);
|
|
if (len > c->tty.sx)
|
|
len = c->tty.sx;
|
|
|
|
memcpy(&gc, &grid_default_cell, sizeof gc);
|
|
colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
|
|
colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
|
|
gc.attr |= options_get_number(&s->options, "message-attr");
|
|
|
|
screen_write_start(&ctx, NULL, &c->status);
|
|
|
|
screen_write_cursormove(&ctx, 0, 0);
|
|
screen_write_puts(&ctx, &gc, "%.*s", (int) len, c->prompt_string);
|
|
|
|
left = c->tty.sx - len;
|
|
if (left != 0) {
|
|
if (c->prompt_index < left)
|
|
size = strlen(c->prompt_buffer);
|
|
else {
|
|
off = c->prompt_index - left + 1;
|
|
if (c->prompt_index == strlen(c->prompt_buffer))
|
|
left--;
|
|
size = left;
|
|
}
|
|
screen_write_puts(
|
|
&ctx, &gc, "%.*s", (int) left, c->prompt_buffer + off);
|
|
|
|
for (i = len + size; i < c->tty.sx; i++)
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
|
|
/* Draw a fake cursor. */
|
|
ch = ' ';
|
|
screen_write_cursormove(&ctx, len + c->prompt_index - off, 0);
|
|
if (c->prompt_index < strlen(c->prompt_buffer))
|
|
ch = c->prompt_buffer[c->prompt_index];
|
|
gc.attr ^= GRID_ATTR_REVERSE;
|
|
screen_write_putc(&ctx, &gc, ch);
|
|
}
|
|
|
|
screen_write_stop(&ctx);
|
|
|
|
if (grid_compare(c->status.grid, old_status.grid) == 0) {
|
|
screen_free(&old_status);
|
|
return (0);
|
|
}
|
|
screen_free(&old_status);
|
|
return (1);
|
|
}
|
|
|
|
/* Handle keys in prompt. */
|
|
void
|
|
status_prompt_key(struct client *c, int key)
|
|
{
|
|
struct paste_buffer *pb;
|
|
char *s, *first, *last, word[64], swapc;
|
|
size_t size, n, off, idx;
|
|
|
|
size = strlen(c->prompt_buffer);
|
|
switch (mode_key_lookup(&c->prompt_mdata, key)) {
|
|
case MODEKEYEDIT_CURSORLEFT:
|
|
if (c->prompt_index > 0) {
|
|
c->prompt_index--;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_SWITCHMODEAPPEND:
|
|
case MODEKEYEDIT_CURSORRIGHT:
|
|
if (c->prompt_index < size) {
|
|
c->prompt_index++;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_STARTOFLINE:
|
|
if (c->prompt_index != 0) {
|
|
c->prompt_index = 0;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_ENDOFLINE:
|
|
if (c->prompt_index != size) {
|
|
c->prompt_index = size;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_COMPLETE:
|
|
if (*c->prompt_buffer == '\0')
|
|
break;
|
|
|
|
idx = c->prompt_index;
|
|
if (idx != 0)
|
|
idx--;
|
|
|
|
/* Find the word we are in. */
|
|
first = c->prompt_buffer + idx;
|
|
while (first > c->prompt_buffer && *first != ' ')
|
|
first--;
|
|
while (*first == ' ')
|
|
first++;
|
|
last = c->prompt_buffer + idx;
|
|
while (*last != '\0' && *last != ' ')
|
|
last++;
|
|
while (*last == ' ')
|
|
last--;
|
|
if (*last != '\0')
|
|
last++;
|
|
if (last <= first ||
|
|
((size_t) (last - first)) > (sizeof word) - 1)
|
|
break;
|
|
memcpy(word, first, last - first);
|
|
word[last - first] = '\0';
|
|
|
|
/* And try to complete it. */
|
|
if ((s = status_prompt_complete(word)) == NULL)
|
|
break;
|
|
|
|
/* Trim out word. */
|
|
n = size - (last - c->prompt_buffer) + 1; /* with \0 */
|
|
memmove(first, last, n);
|
|
size -= last - first;
|
|
|
|
/* Insert the new word. */
|
|
size += strlen(s);
|
|
off = first - c->prompt_buffer;
|
|
c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
|
|
first = c->prompt_buffer + off;
|
|
memmove(first + strlen(s), first, n);
|
|
memcpy(first, s, strlen(s));
|
|
|
|
c->prompt_index = (first - c->prompt_buffer) + strlen(s);
|
|
xfree(s);
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_BACKSPACE:
|
|
if (c->prompt_index != 0) {
|
|
if (c->prompt_index == size)
|
|
c->prompt_buffer[--c->prompt_index] = '\0';
|
|
else {
|
|
memmove(c->prompt_buffer + c->prompt_index - 1,
|
|
c->prompt_buffer + c->prompt_index,
|
|
size + 1 - c->prompt_index);
|
|
c->prompt_index--;
|
|
}
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_DELETE:
|
|
if (c->prompt_index != size) {
|
|
memmove(c->prompt_buffer + c->prompt_index,
|
|
c->prompt_buffer + c->prompt_index + 1,
|
|
size + 1 - c->prompt_index);
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_DELETELINE:
|
|
*c->prompt_buffer = '\0';
|
|
c->prompt_index = 0;
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_DELETETOENDOFLINE:
|
|
if (c->prompt_index < size) {
|
|
c->prompt_buffer[c->prompt_index] = '\0';
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_HISTORYUP:
|
|
if (ARRAY_LENGTH(&c->prompt_hdata) == 0)
|
|
break;
|
|
xfree(c->prompt_buffer);
|
|
|
|
c->prompt_buffer = xstrdup(ARRAY_ITEM(&c->prompt_hdata,
|
|
ARRAY_LENGTH(&c->prompt_hdata) - 1 - c->prompt_hindex));
|
|
if (c->prompt_hindex != ARRAY_LENGTH(&c->prompt_hdata) - 1)
|
|
c->prompt_hindex++;
|
|
|
|
c->prompt_index = strlen(c->prompt_buffer);
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_HISTORYDOWN:
|
|
xfree(c->prompt_buffer);
|
|
|
|
if (c->prompt_hindex != 0) {
|
|
c->prompt_hindex--;
|
|
c->prompt_buffer = xstrdup(ARRAY_ITEM(
|
|
&c->prompt_hdata, ARRAY_LENGTH(
|
|
&c->prompt_hdata) - 1 - c->prompt_hindex));
|
|
} else
|
|
c->prompt_buffer = xstrdup("");
|
|
|
|
c->prompt_index = strlen(c->prompt_buffer);
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_PASTE:
|
|
if ((pb = paste_get_top(&c->session->buffers)) == NULL)
|
|
break;
|
|
for (n = 0; n < pb->size; n++) {
|
|
if (pb->data[n] < 32 || pb->data[n] == 127)
|
|
break;
|
|
}
|
|
|
|
c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
|
|
if (c->prompt_index == size) {
|
|
memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
|
|
c->prompt_index += n;
|
|
c->prompt_buffer[c->prompt_index] = '\0';
|
|
} else {
|
|
memmove(c->prompt_buffer + c->prompt_index + n,
|
|
c->prompt_buffer + c->prompt_index,
|
|
size + 1 - c->prompt_index);
|
|
memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
|
|
c->prompt_index += n;
|
|
}
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_TRANSPOSECHARS:
|
|
idx = c->prompt_index;
|
|
if (idx < size)
|
|
idx++;
|
|
if (idx >= 2) {
|
|
swapc = c->prompt_buffer[idx - 2];
|
|
c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
|
|
c->prompt_buffer[idx - 1] = swapc;
|
|
c->prompt_index = idx;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_ENTER:
|
|
if (*c->prompt_buffer != '\0')
|
|
status_prompt_add_history(c);
|
|
if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
|
|
status_prompt_clear(c);
|
|
break;
|
|
case MODEKEYEDIT_CANCEL:
|
|
if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
|
|
status_prompt_clear(c);
|
|
break;
|
|
case MODEKEY_OTHER:
|
|
if (key < 32 || key > 126)
|
|
break;
|
|
c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
|
|
|
|
if (c->prompt_index == size) {
|
|
c->prompt_buffer[c->prompt_index++] = key;
|
|
c->prompt_buffer[c->prompt_index] = '\0';
|
|
} else {
|
|
memmove(c->prompt_buffer + c->prompt_index + 1,
|
|
c->prompt_buffer + c->prompt_index,
|
|
size + 1 - c->prompt_index);
|
|
c->prompt_buffer[c->prompt_index++] = key;
|
|
}
|
|
|
|
if (c->prompt_flags & PROMPT_SINGLE) {
|
|
if (c->prompt_callbackfn(
|
|
c->prompt_data, c->prompt_buffer) == 0)
|
|
status_prompt_clear(c);
|
|
}
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Add line to the history. */
|
|
void
|
|
status_prompt_add_history(struct client *c)
|
|
{
|
|
if (ARRAY_LENGTH(&c->prompt_hdata) > 0 &&
|
|
strcmp(ARRAY_LAST(&c->prompt_hdata), c->prompt_buffer) == 0)
|
|
return;
|
|
|
|
if (ARRAY_LENGTH(&c->prompt_hdata) == PROMPT_HISTORY) {
|
|
xfree(ARRAY_FIRST(&c->prompt_hdata));
|
|
ARRAY_REMOVE(&c->prompt_hdata, 0);
|
|
}
|
|
|
|
ARRAY_ADD(&c->prompt_hdata, xstrdup(c->prompt_buffer));
|
|
}
|
|
|
|
/* Complete word. */
|
|
char *
|
|
status_prompt_complete(const char *s)
|
|
{
|
|
const struct cmd_entry **cmdent;
|
|
const struct set_option_entry *optent;
|
|
ARRAY_DECL(, const char *) list;
|
|
char *prefix, *s2;
|
|
u_int i;
|
|
size_t j;
|
|
|
|
if (*s == '\0')
|
|
return (NULL);
|
|
|
|
/* First, build a list of all the possible matches. */
|
|
ARRAY_INIT(&list);
|
|
for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
|
|
if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
|
|
ARRAY_ADD(&list, (*cmdent)->name);
|
|
}
|
|
for (optent = set_option_table; optent->name != NULL; optent++) {
|
|
if (strncmp(optent->name, s, strlen(s)) == 0)
|
|
ARRAY_ADD(&list, optent->name);
|
|
}
|
|
for (optent = set_window_option_table; optent->name != NULL; optent++) {
|
|
if (strncmp(optent->name, s, strlen(s)) == 0)
|
|
ARRAY_ADD(&list, optent->name);
|
|
}
|
|
|
|
/* If none, bail now. */
|
|
if (ARRAY_LENGTH(&list) == 0) {
|
|
ARRAY_FREE(&list);
|
|
return (NULL);
|
|
}
|
|
|
|
/* If an exact match, return it, with a trailing space. */
|
|
if (ARRAY_LENGTH(&list) == 1) {
|
|
xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
|
|
ARRAY_FREE(&list);
|
|
return (s2);
|
|
}
|
|
|
|
/* Now loop through the list and find the longest common prefix. */
|
|
prefix = xstrdup(ARRAY_FIRST(&list));
|
|
for (i = 1; i < ARRAY_LENGTH(&list); i++) {
|
|
s = ARRAY_ITEM(&list, i);
|
|
|
|
j = strlen(s);
|
|
if (j > strlen(prefix))
|
|
j = strlen(prefix);
|
|
for (; j > 0; j--) {
|
|
if (prefix[j - 1] != s[j - 1])
|
|
prefix[j - 1] = '\0';
|
|
}
|
|
}
|
|
|
|
ARRAY_FREE(&list);
|
|
return (prefix);
|
|
}
|