1/* $Id: cmd-respawn-window.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
2
3/*
4 * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19#include <sys/types.h>
20
21#include <unistd.h>
22
23#include "tmux.h"
24
25/*
26 * Respawn a window (restart the command). Kill existing if -k given.
27 */
28
29int	cmd_respawn_window_exec(struct cmd *, struct cmd_ctx *);
30
31const struct cmd_entry cmd_respawn_window_entry = {
32	"respawn-window", "respawnw",
33	"kt:", 0, 1,
34	"[-k] " CMD_TARGET_WINDOW_USAGE " [command]",
35	0,
36	NULL,
37	NULL,
38	cmd_respawn_window_exec
39};
40
41int
42cmd_respawn_window_exec(struct cmd *self, struct cmd_ctx *ctx)
43{
44	struct args		*args = self->args;
45	struct winlink		*wl;
46	struct window		*w;
47	struct window_pane	*wp;
48	struct session		*s;
49	struct environ		 env;
50	const char		*cmd;
51	char		 	*cause;
52
53	if ((wl = cmd_find_window(ctx, args_get(args, 't'), &s)) == NULL)
54		return (-1);
55	w = wl->window;
56
57	if (!args_has(self->args, 'k')) {
58		TAILQ_FOREACH(wp, &w->panes, entry) {
59			if (wp->fd == -1)
60				continue;
61			ctx->error(ctx,
62			    "window still active: %s:%d", s->name, wl->idx);
63			return (-1);
64		}
65	}
66
67	environ_init(&env);
68	environ_copy(&global_environ, &env);
69	environ_copy(&s->environ, &env);
70	server_fill_environ(s, &env);
71
72	wp = TAILQ_FIRST(&w->panes);
73	TAILQ_REMOVE(&w->panes, wp, entry);
74	layout_free(w);
75	window_destroy_panes(w);
76	TAILQ_INSERT_HEAD(&w->panes, wp, entry);
77	window_pane_resize(wp, w->sx, w->sy);
78	if (args->argc != 0)
79		cmd = args->argv[0];
80	else
81		cmd = NULL;
82	if (window_pane_spawn(wp, cmd, NULL, NULL, &env, s->tio, &cause) != 0) {
83		ctx->error(ctx, "respawn window failed: %s", cause);
84		xfree(cause);
85		environ_free(&env);
86		server_destroy_pane(wp);
87		return (-1);
88	}
89	layout_init(w);
90	window_pane_reset_mode(wp);
91	screen_reinit(&wp->base);
92	input_init(wp);
93	window_set_active_pane(w, wp);
94
95	recalculate_sizes();
96	server_redraw_window(w);
97
98	environ_free(&env);
99	return (0);
100}
101