Annotation of embedaddon/tmux/cmd-respawn-window.c, revision 1.1.1.1
1.1 misho 1: /* $OpenBSD$ */
2:
3: /*
4: * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
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: static enum cmd_retval cmd_respawn_window_exec(struct cmd *,
31: struct cmdq_item *);
32:
33: const struct cmd_entry cmd_respawn_window_entry = {
34: .name = "respawn-window",
35: .alias = "respawnw",
36:
37: .args = { "kt:", 0, -1 },
38: .usage = "[-k] " CMD_TARGET_WINDOW_USAGE " [command]",
39:
40: .tflag = CMD_WINDOW,
41:
42: .flags = 0,
43: .exec = cmd_respawn_window_exec
44: };
45:
46: static enum cmd_retval
47: cmd_respawn_window_exec(struct cmd *self, struct cmdq_item *item)
48: {
49: struct args *args = self->args;
50: struct session *s = item->state.tflag.s;
51: struct winlink *wl = item->state.tflag.wl;
52: struct window *w = wl->window;
53: struct window_pane *wp;
54: struct environ *env;
55: const char *path;
56: char *cause;
57: struct environ_entry *envent;
58:
59: if (!args_has(self->args, 'k')) {
60: TAILQ_FOREACH(wp, &w->panes, entry) {
61: if (wp->fd == -1)
62: continue;
63: cmdq_error(item, "window still active: %s:%d", s->name,
64: wl->idx);
65: return (CMD_RETURN_ERROR);
66: }
67: }
68:
69: wp = TAILQ_FIRST(&w->panes);
70: TAILQ_REMOVE(&w->panes, wp, entry);
71: layout_free(w);
72: window_destroy_panes(w);
73: TAILQ_INSERT_HEAD(&w->panes, wp, entry);
74: window_pane_resize(wp, w->sx, w->sy);
75:
76: path = NULL;
77: if (item->client != NULL && item->client->session == NULL)
78: envent = environ_find(item->client->environ, "PATH");
79: else
80: envent = environ_find(s->environ, "PATH");
81: if (envent != NULL)
82: path = envent->value;
83:
84: env = environ_for_session(s);
85: if (window_pane_spawn(wp, args->argc, args->argv, path, NULL, NULL, env,
86: s->tio, &cause) != 0) {
87: cmdq_error(item, "respawn window failed: %s", cause);
88: free(cause);
89: environ_free(env);
90: server_destroy_pane(wp, 0);
91: return (CMD_RETURN_ERROR);
92: }
93: environ_free(env);
94: layout_init(w, wp);
95: window_pane_reset_mode(wp);
96: screen_reinit(&wp->base);
97: input_init(wp);
98: window_set_active_pane(w, wp);
99:
100: recalculate_sizes();
101: server_redraw_window(w);
102:
103: return (CMD_RETURN_NORMAL);
104: }
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