mirror of
https://github.com/tmux/tmux.git
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1155 lines
29 KiB
C
1155 lines
29 KiB
C
/* $Id: status.c,v 1.147 2010-04-06 21:45:36 nicm Exp $ */
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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_redraw_get_left(
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struct client *, time_t, int, struct grid_cell *, size_t *);
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char *status_redraw_get_right(
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struct client *, time_t, int, struct grid_cell *, size_t *);
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char *status_job(struct client *, char **);
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void status_job_callback(struct job *);
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char *status_print(
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struct client *, struct winlink *, time_t, struct grid_cell *);
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void status_replace1(struct client *,
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struct winlink *, char **, char **, char *, size_t, int);
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void status_message_callback(int, short, void *);
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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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/* Retrieve options for left string. */
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char *
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status_redraw_get_left(struct client *c,
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time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
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{
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struct session *s = c->session;
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char *left;
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u_char fg, bg, attr;
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size_t leftlen;
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fg = options_get_number(&s->options, "status-left-fg");
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if (fg != 8)
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colour_set_fg(gc, fg);
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bg = options_get_number(&s->options, "status-left-bg");
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if (bg != 8)
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colour_set_bg(gc, bg);
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attr = options_get_number(&s->options, "status-left-attr");
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if (attr != 0)
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gc->attr = attr;
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left = status_replace(
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c, NULL, options_get_string(&s->options, "status-left"), t, 1);
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*size = options_get_number(&s->options, "status-left-length");
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leftlen = screen_write_cstrlen(utf8flag, "%s", left);
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if (leftlen < *size)
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*size = leftlen;
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return (left);
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}
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/* Retrieve options for right string. */
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char *
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status_redraw_get_right(struct client *c,
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time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
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{
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struct session *s = c->session;
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char *right;
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u_char fg, bg, attr;
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size_t rightlen;
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fg = options_get_number(&s->options, "status-right-fg");
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if (fg != 8)
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colour_set_fg(gc, fg);
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bg = options_get_number(&s->options, "status-right-bg");
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if (bg != 8)
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colour_set_bg(gc, bg);
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attr = options_get_number(&s->options, "status-right-attr");
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if (attr != 0)
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gc->attr = attr;
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right = status_replace(
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c, NULL, options_get_string(&s->options, "status-right"), t, 1);
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*size = options_get_number(&s->options, "status-right-length");
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rightlen = screen_write_cstrlen(utf8flag, "%s", right);
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if (rightlen < *size)
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*size = rightlen;
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return (right);
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}
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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, window_list;
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struct grid_cell stdgc, lgc, rgc, gc;
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time_t t;
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char *left, *right;
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u_int offset, needed;
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u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
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size_t llen, rlen;
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int larrow, rarrow, utf8flag;
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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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left = right = NULL;
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larrow = rarrow = 0;
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/* Update status timer. */
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if (gettimeofday(&c->status_timer, NULL) != 0)
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fatal("gettimeofday failed");
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t = c->status_timer.tv_sec;
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/* Set up default colour. */
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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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/* 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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screen_write_start(&ctx, NULL, &c->status);
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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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screen_write_stop(&ctx);
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/* If the height is one line, blank status line. */
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if (c->tty.sy <= 1)
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goto out;
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/* Get UTF-8 flag. */
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utf8flag = options_get_number(&s->options, "status-utf8");
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/* Work out left and right strings. */
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memcpy(&lgc, &stdgc, sizeof lgc);
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left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
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memcpy(&rgc, &stdgc, sizeof rgc);
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right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
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/*
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* Figure out how much space we have for the window list. If there
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* isn't enough space, just show a blank status line.
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*/
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needed = 0;
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if (llen != 0)
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needed += llen + 1;
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if (rlen != 0)
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needed += rlen + 1;
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if (c->tty.sx == 0 || c->tty.sx <= needed)
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goto out;
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wlavailable = c->tty.sx - needed;
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/* Calculate the total size needed for the window list. */
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wlstart = wloffset = wlwidth = 0;
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RB_FOREACH(wl, winlinks, &s->windows) {
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if (wl->status_text != NULL)
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xfree(wl->status_text);
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memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
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wl->status_text = status_print(c, wl, t, &wl->status_cell);
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wl->status_width =
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screen_write_cstrlen(utf8flag, "%s", wl->status_text);
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if (wl == s->curw)
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wloffset = wlwidth;
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wlwidth += wl->status_width + 1;
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}
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/* Create a new screen for the window list. */
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screen_init(&window_list, wlwidth, 1, 0);
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/* And draw the window list into it. */
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screen_write_start(&ctx, NULL, &window_list);
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RB_FOREACH(wl, winlinks, &s->windows) {
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screen_write_cnputs(&ctx,
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-1, &wl->status_cell, utf8flag, "%s", wl->status_text);
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screen_write_putc(&ctx, &stdgc, ' ');
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}
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screen_write_stop(&ctx);
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/* If there is enough space for the total width, skip to draw now. */
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if (wlwidth <= wlavailable)
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goto draw;
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/* Find size of current window text. */
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wlsize = s->curw->status_width;
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/*
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* If the current window is already on screen, 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 (wloffset + wlsize < wlavailable) {
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if (wlavailable > 0) {
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rarrow = 1;
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wlavailable--;
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}
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wlwidth = wlavailable;
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} else {
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/*
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* Work out how many characters we need to omit from the
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* start. There are wlavailable characters to fill, and
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* wloffset + wlsize must be the last. So, the start character
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* is wloffset + wlsize - wlavailable.
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*/
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if (wlavailable > 0) {
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larrow = 1;
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wlavailable--;
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}
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wlstart = wloffset + wlsize - wlavailable;
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if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
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rarrow = 1;
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wlstart++;
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wlavailable--;
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}
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wlwidth = wlavailable;
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}
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/* Bail if anything is now too small too. */
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if (wlwidth == 0 || wlavailable == 0) {
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screen_free(&window_list);
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goto out;
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}
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/*
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* Now the start position is known, work out the state of the left and
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* right arrows.
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*/
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offset = 0;
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RB_FOREACH(wl, winlinks, &s->windows) {
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if (larrow == 1 && offset < wlstart) {
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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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offset += wl->status_width;
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if (rarrow == 1 && offset > wlstart + wlwidth) {
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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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}
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draw:
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/* Begin drawing. */
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screen_write_start(&ctx, NULL, &c->status);
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/* Draw the left string and arrow. */
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screen_write_cursormove(&ctx, 0, 0);
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if (llen != 0) {
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screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
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screen_write_putc(&ctx, &stdgc, ' ');
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}
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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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screen_write_putc(&ctx, &gc, '<');
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}
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/* Draw the right string and arrow. */
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if (rarrow != 0) {
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screen_write_cursormove(&ctx, c->tty.sx - rlen - 2, 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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screen_write_putc(&ctx, &gc, '>');
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} else
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screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
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if (rlen != 0) {
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screen_write_putc(&ctx, &stdgc, ' ');
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screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
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}
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/* Figure out the offset for the window list. */
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if (llen != 0)
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wloffset = llen + 1;
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else
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wloffset = 0;
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if (wlwidth < wlavailable) {
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switch (options_get_number(&s->options, "status-justify")) {
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case 1: /* centered */
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wloffset += (wlavailable - wlwidth) / 2;
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break;
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case 2: /* right */
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wloffset += (wlavailable - wlwidth);
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break;
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}
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}
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if (larrow != 0)
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wloffset++;
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/* Copy the window list. */
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screen_write_cursormove(&ctx, wloffset, 0);
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screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
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screen_free(&window_list);
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screen_write_stop(&ctx);
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out:
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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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/* Replace a single special sequence (prefixed by #). */
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void
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status_replace1(struct client *c,struct winlink *wl,
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char **iptr, char **optr, char *out, size_t outsize, int jobsflag)
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{
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struct session *s = c->session;
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char ch, tmp[256], *ptr, *endptr, *freeptr;
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size_t ptrlen;
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long limit;
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if (wl == NULL)
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wl = s->curw;
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errno = 0;
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limit = strtol(*iptr, &endptr, 10);
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if ((limit == 0 && errno != EINVAL) ||
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(limit == LONG_MIN && errno != ERANGE) ||
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(limit == LONG_MAX && errno != ERANGE) ||
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limit != 0)
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*iptr = endptr;
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if (limit <= 0)
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limit = LONG_MAX;
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freeptr = NULL;
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switch (*(*iptr)++) {
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case '(':
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if (!jobsflag) {
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ch = ')';
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goto skip_to;
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}
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if ((ptr = status_job(c, iptr)) == NULL)
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return;
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freeptr = ptr;
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goto do_replace;
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case 'H':
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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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goto do_replace;
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case 'I':
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xsnprintf(tmp, sizeof tmp, "%d", wl->idx);
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ptr = tmp;
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goto do_replace;
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case 'P':
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xsnprintf(tmp, sizeof tmp, "%u",
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window_pane_index(wl->window, wl->window->active));
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ptr = tmp;
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goto do_replace;
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case 'S':
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ptr = s->name;
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goto do_replace;
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case 'T':
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ptr = wl->window->active->base.title;
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goto do_replace;
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case 'W':
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ptr = wl->window->name;
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goto do_replace;
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case 'F':
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tmp[0] = ' ';
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if (session_alert_has(s, wl, WINDOW_CONTENT))
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tmp[0] = '+';
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else if (session_alert_has(s, wl, WINDOW_BELL))
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tmp[0] = '!';
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else if (session_alert_has(s, wl, WINDOW_ACTIVITY))
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tmp[0] = '#';
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else if (wl == s->curw)
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tmp[0] = '*';
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else if (wl == TAILQ_FIRST(&s->lastw))
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tmp[0] = '-';
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tmp[1] = '\0';
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ptr = tmp;
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goto do_replace;
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case '[':
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/*
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* Embedded style, handled at display time. Leave present and
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* skip input until ].
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*/
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ch = ']';
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goto skip_to;
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case '#':
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*(*optr)++ = '#';
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break;
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}
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return;
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|
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do_replace:
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ptrlen = strlen(ptr);
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if ((size_t) limit < ptrlen)
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ptrlen = limit;
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|
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if (*optr + ptrlen >= out + outsize - 1)
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return;
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while (ptrlen > 0 && *ptr != '\0') {
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*(*optr)++ = *ptr++;
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ptrlen--;
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}
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|
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if (freeptr != NULL)
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xfree(freeptr);
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return;
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|
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skip_to:
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*(*optr)++ = '#';
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|
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(*iptr)--; /* include ch */
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while (**iptr != ch && **iptr != '\0') {
|
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if (*optr >= out + outsize - 1)
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break;
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*(*optr)++ = *(*iptr)++;
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}
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}
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|
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/* Replace special sequences in fmt. */
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char *
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status_replace(struct client *c,
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struct winlink *wl, const char *fmt, time_t t, int jobsflag)
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{
|
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static char out[BUFSIZ];
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char in[BUFSIZ], ch, *iptr, *optr;
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|
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strftime(in, sizeof in, fmt, localtime(&t));
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in[(sizeof in) - 1] = '\0';
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|
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iptr = in;
|
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optr = out;
|
|
|
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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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ch = *iptr++;
|
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|
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if (ch != '#') {
|
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*optr++ = ch;
|
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continue;
|
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}
|
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status_replace1(c, wl, &iptr, &optr, out, sizeof out, jobsflag);
|
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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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}
|
|
|
|
/* Figure out job name and get its result, starting it off if necessary. */
|
|
char *
|
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status_job(struct client *c, char **iptr)
|
|
{
|
|
struct job *job;
|
|
char *cmd;
|
|
int lastesc;
|
|
size_t len;
|
|
|
|
if (**iptr == '\0')
|
|
return (NULL);
|
|
if (**iptr == ')') { /* no command given */
|
|
(*iptr)++;
|
|
return (NULL);
|
|
}
|
|
|
|
cmd = xmalloc(strlen(*iptr) + 1);
|
|
len = 0;
|
|
|
|
lastesc = 0;
|
|
for (; **iptr != '\0'; (*iptr)++) {
|
|
if (!lastesc && **iptr == ')')
|
|
break; /* unescaped ) is the end */
|
|
if (!lastesc && **iptr == '\\') {
|
|
lastesc = 1;
|
|
continue; /* skip \ if not escaped */
|
|
}
|
|
lastesc = 0;
|
|
cmd[len++] = **iptr;
|
|
}
|
|
if (**iptr == '\0') /* no terminating ) */ {
|
|
xfree(cmd);
|
|
return (NULL);
|
|
}
|
|
(*iptr)++; /* skip final ) */
|
|
cmd[len] = '\0';
|
|
|
|
job = job_get(&c->status_jobs, cmd);
|
|
if (job == NULL) {
|
|
job = job_add(&c->status_jobs,
|
|
JOB_PERSIST, c, cmd, status_job_callback, xfree, NULL);
|
|
job_run(job);
|
|
}
|
|
xfree(cmd);
|
|
if (job->data == NULL)
|
|
return (xstrdup(""));
|
|
return (xstrdup(job->data));
|
|
}
|
|
|
|
/* Job has finished: save its result. */
|
|
void
|
|
status_job_callback(struct job *job)
|
|
{
|
|
char *line, *buf;
|
|
size_t len;
|
|
|
|
buf = NULL;
|
|
if ((line = evbuffer_readline(job->event->input)) == NULL) {
|
|
len = EVBUFFER_LENGTH(job->event->input);
|
|
buf = xmalloc(len + 1);
|
|
if (len != 0)
|
|
memcpy(buf, EVBUFFER_DATA(job->event->input), len);
|
|
buf[len] = '\0';
|
|
}
|
|
|
|
if (job->data != NULL)
|
|
xfree(job->data);
|
|
else
|
|
server_redraw_client(job->client);
|
|
|
|
if (line == NULL)
|
|
job->data = buf;
|
|
else
|
|
job->data = xstrdup(line);
|
|
}
|
|
|
|
/* Return winlink status line entry and adjust gc as necessary. */
|
|
char *
|
|
status_print(
|
|
struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
|
|
{
|
|
struct options *oo = &wl->window->options;
|
|
struct session *s = c->session;
|
|
const char *fmt;
|
|
char *text;
|
|
u_char fg, bg, attr;
|
|
|
|
fg = options_get_number(oo, "window-status-fg");
|
|
if (fg != 8)
|
|
colour_set_fg(gc, fg);
|
|
bg = options_get_number(oo, "window-status-bg");
|
|
if (bg != 8)
|
|
colour_set_bg(gc, bg);
|
|
attr = options_get_number(oo, "window-status-attr");
|
|
if (attr != 0)
|
|
gc->attr = attr;
|
|
fmt = options_get_string(oo, "window-status-format");
|
|
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;
|
|
fmt = options_get_string(oo, "window-status-current-format");
|
|
}
|
|
|
|
if (session_alert_has(s, wl, WINDOW_ACTIVITY) ||
|
|
session_alert_has(s, wl, WINDOW_BELL) ||
|
|
session_alert_has(s, wl, WINDOW_CONTENT))
|
|
gc->attr ^= GRID_ATTR_REVERSE;
|
|
|
|
text = status_replace(c, wl, fmt, t, 1);
|
|
return (text);
|
|
}
|
|
|
|
/* Set a status line message. */
|
|
void printflike2
|
|
status_message_set(struct client *c, const char *fmt, ...)
|
|
{
|
|
struct timeval tv;
|
|
struct session *s = c->session;
|
|
struct message_entry *msg;
|
|
va_list ap;
|
|
int delay;
|
|
u_int i, limit;
|
|
|
|
status_prompt_clear(c);
|
|
status_message_clear(c);
|
|
|
|
va_start(ap, fmt);
|
|
xvasprintf(&c->message_string, fmt, ap);
|
|
va_end(ap);
|
|
|
|
ARRAY_EXPAND(&c->message_log, 1);
|
|
msg = &ARRAY_LAST(&c->message_log);
|
|
msg->msg_time = time(NULL);
|
|
msg->msg = xstrdup(c->message_string);
|
|
|
|
if (s == NULL)
|
|
limit = 0;
|
|
else
|
|
limit = options_get_number(&s->options, "message-limit");
|
|
if (ARRAY_LENGTH(&c->message_log) > limit) {
|
|
limit = ARRAY_LENGTH(&c->message_log) - limit;
|
|
for (i = 0; i < limit; i++) {
|
|
msg = &ARRAY_FIRST(&c->message_log);
|
|
xfree(msg->msg);
|
|
ARRAY_REMOVE(&c->message_log, 0);
|
|
}
|
|
}
|
|
|
|
delay = options_get_number(&c->session->options, "display-time");
|
|
tv.tv_sec = delay / 1000;
|
|
tv.tv_usec = (delay % 1000) * 1000L;
|
|
|
|
evtimer_del(&c->message_timer);
|
|
evtimer_set(&c->message_timer, status_message_callback, c);
|
|
evtimer_add(&c->message_timer, &tv);
|
|
|
|
c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
|
|
/* Clear status line message. */
|
|
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);
|
|
}
|
|
|
|
/* Clear status line message after timer expires. */
|
|
/* ARGSUSED */
|
|
void
|
|
status_message_callback(unused int fd, unused short event, void *data)
|
|
{
|
|
struct client *c = data;
|
|
|
|
status_message_clear(c);
|
|
}
|
|
|
|
/* 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;
|
|
int utf8flag;
|
|
|
|
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);
|
|
|
|
utf8flag = options_get_number(&s->options, "status-utf8");
|
|
|
|
len = screen_write_strlen(utf8flag, "%s", 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_nputs(&ctx, len, &gc, utf8flag, "%s", 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);
|
|
}
|
|
|
|
/* Enable status line prompt. */
|
|
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;
|
|
}
|
|
|
|
/* Remove status line prompt. */
|
|
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);
|
|
}
|
|
|
|
/* Update status line prompt with a new prompt string. */
|
|
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;
|
|
struct grid_cell gc, *gcp;
|
|
int utf8flag;
|
|
|
|
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);
|
|
|
|
utf8flag = options_get_number(&s->options, "status-utf8");
|
|
|
|
len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
|
|
if (len > c->tty.sx)
|
|
len = c->tty.sx;
|
|
off = 0;
|
|
|
|
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_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
|
|
|
|
left = c->tty.sx - len;
|
|
if (left != 0) {
|
|
size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
|
|
if (c->prompt_index >= left) {
|
|
off = c->prompt_index - left + 1;
|
|
if (c->prompt_index == size)
|
|
left--;
|
|
size = left;
|
|
}
|
|
screen_write_nputs(
|
|
&ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
|
|
|
|
for (i = len + size; i < c->tty.sx; i++)
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
}
|
|
|
|
screen_write_stop(&ctx);
|
|
|
|
/* Apply fake cursor. */
|
|
off = len + c->prompt_index - off;
|
|
gcp = grid_view_get_cell(c->status.grid, off, 0);
|
|
gcp->attr ^= GRID_ATTR_REVERSE;
|
|
|
|
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;
|
|
u_char ch;
|
|
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++) {
|
|
ch = (u_char) pb->data[n];
|
|
if (ch < 32 || ch == 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 & 0xff00) != 0 || key < 32 || key == 127)
|
|
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 *entry;
|
|
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 (entry = set_option_table; entry->name != NULL; entry++) {
|
|
if (strncmp(entry->name, s, strlen(s)) == 0)
|
|
ARRAY_ADD(&list, entry->name);
|
|
}
|
|
for (entry = set_session_option_table; entry->name != NULL; entry++) {
|
|
if (strncmp(entry->name, s, strlen(s)) == 0)
|
|
ARRAY_ADD(&list, entry->name);
|
|
}
|
|
for (entry = set_window_option_table; entry->name != NULL; entry++) {
|
|
if (strncmp(entry->name, s, strlen(s)) == 0)
|
|
ARRAY_ADD(&list, entry->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);
|
|
}
|