1 /* Id */
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 <stdlib.h>
22 #include <unistd.h>
23
24 #include "tmux.h"
25
26 /*
27 * Respawn a window (restart the command). Kill existing if -k given.
28 */
29
30 enum cmd_retval cmd_respawn_window_exec(struct cmd *, struct cmd_q *);
31
32 const struct cmd_entry cmd_respawn_window_entry = {
33 "respawn-window", "respawnw",
34 "kt:", 0, 1,
35 "[-k] " CMD_TARGET_WINDOW_USAGE " [command]",
36 0,
37 NULL,
38 cmd_respawn_window_exec
39 };
40
41 enum cmd_retval
cmd_respawn_window_exec(struct cmd * self,struct cmd_q * cmdq)42 cmd_respawn_window_exec(struct cmd *self, struct cmd_q *cmdq)
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(cmdq, args_get(args, 't'), &s)) == NULL)
54 return (CMD_RETURN_ERROR);
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 cmdq_error(cmdq,
62 "window still active: %s:%d", s->name, wl->idx);
63 return (CMD_RETURN_ERROR);
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, -1, &env, s->tio, &cause) != 0) {
83 cmdq_error(cmdq, "respawn window failed: %s", cause);
84 free(cause);
85 environ_free(&env);
86 server_destroy_pane(wp);
87 return (CMD_RETURN_ERROR);
88 }
89 layout_init(w, wp);
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 (CMD_RETURN_NORMAL);
100 }
101