xref: /openbsd/usr.bin/tmux/cmd-new-window.c (revision 274d7c50)
1 /* $OpenBSD: cmd-new-window.c,v 1.80 2019/09/19 09:02:30 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2007 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 <errno.h>
22 #include <fcntl.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <unistd.h>
26 
27 #include "tmux.h"
28 
29 /*
30  * Create a new window.
31  */
32 
33 #define NEW_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
34 
35 static enum cmd_retval	cmd_new_window_exec(struct cmd *, struct cmdq_item *);
36 
37 const struct cmd_entry cmd_new_window_entry = {
38 	.name = "new-window",
39 	.alias = "neww",
40 
41 	.args = { "ac:de:F:kn:Pt:", 0, -1 },
42 	.usage = "[-adkP] [-c start-directory] [-e environment] [-F format] "
43 		 "[-n window-name] " CMD_TARGET_WINDOW_USAGE " [command]",
44 
45 	.target = { 't', CMD_FIND_WINDOW, CMD_FIND_WINDOW_INDEX },
46 
47 	.flags = 0,
48 	.exec = cmd_new_window_exec
49 };
50 
51 static enum cmd_retval
52 cmd_new_window_exec(struct cmd *self, struct cmdq_item *item)
53 {
54 	struct args		*args = self->args;
55 	struct cmd_find_state	*current = &item->shared->current;
56 	struct spawn_context	 sc;
57 	struct client		*c = cmd_find_client(item, NULL, 1);
58 	struct session		*s = item->target.s;
59 	struct winlink		*wl = item->target.wl;
60 	int			 idx = item->target.idx;
61 	struct winlink		*new_wl;
62 	char			*cause = NULL, *cp;
63 	const char		*template, *add;
64 	struct cmd_find_state	 fs;
65 	struct args_value	*value;
66 
67 	if (args_has(args, 'a') && (idx = winlink_shuffle_up(s, wl)) == -1) {
68 		cmdq_error(item, "couldn't get a window index");
69 		return (CMD_RETURN_ERROR);
70 	}
71 
72 	memset(&sc, 0, sizeof sc);
73 	sc.item = item;
74 	sc.s = s;
75 	sc.c = c;
76 
77 	sc.name = args_get(args, 'n');
78 	sc.argc = args->argc;
79 	sc.argv = args->argv;
80 	sc.environ = environ_create();
81 
82 	add = args_first_value(args, 'e', &value);
83 	while (add != NULL) {
84 		environ_put(sc.environ, add);
85 		add = args_next_value(&value);
86 	}
87 
88 	sc.idx = idx;
89 	sc.cwd = args_get(args, 'c');
90 
91 	sc.flags = 0;
92 	if (args_has(args, 'd'))
93 		sc.flags |= SPAWN_DETACHED;
94 	if (args_has(args, 'k'))
95 		sc.flags |= SPAWN_KILL;
96 
97 	if ((new_wl = spawn_window(&sc, &cause)) == NULL) {
98 		cmdq_error(item, "create window failed: %s", cause);
99 		free(cause);
100 		return (CMD_RETURN_ERROR);
101 	}
102 	if (!args_has(args, 'd') || new_wl == s->curw) {
103 		cmd_find_from_winlink(current, new_wl, 0);
104 		server_redraw_session_group(s);
105 	} else
106 		server_status_session_group(s);
107 
108 	if (args_has(args, 'P')) {
109 		if ((template = args_get(args, 'F')) == NULL)
110 			template = NEW_WINDOW_TEMPLATE;
111 		cp = format_single(item, template, c, s, new_wl, NULL);
112 		cmdq_print(item, "%s", cp);
113 		free(cp);
114 	}
115 
116 	cmd_find_from_winlink(&fs, new_wl, 0);
117 	cmdq_insert_hook(s, item, &fs, "after-new-window");
118 
119 	environ_free(sc.environ);
120 	return (CMD_RETURN_NORMAL);
121 }
122