xref: /openbsd/usr.bin/tmux/cmd-new-window.c (revision 3cab2bb3)
1 /* $OpenBSD: cmd-new-window.c,v 1.89 2020/06/25 08:56:02 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 = { "abc:de:F:kn:Pt:", 0, -1 },
42 	.usage = "[-abdkP] [-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 = cmd_get_args(self);
55 	struct cmd_find_state	*current = cmdq_get_current(item);
56 	struct cmd_find_state	*target = cmdq_get_target(item);
57 	struct spawn_context	 sc;
58 	struct client		*tc = cmdq_get_target_client(item);
59 	struct session		*s = target->s;
60 	struct winlink		*wl = target->wl;
61 	int			 idx = target->idx, before;
62 	struct winlink		*new_wl;
63 	char			*cause = NULL, *cp;
64 	const char		*template, *add;
65 	struct cmd_find_state	 fs;
66 	struct args_value	*value;
67 
68 	before = args_has(args, 'b');
69 	if (args_has(args, 'a') || before) {
70 		idx = winlink_shuffle_up(s, wl, before);
71 		if (idx == -1)
72 			idx = target->idx;
73 	}
74 
75 	memset(&sc, 0, sizeof sc);
76 	sc.item = item;
77 	sc.s = s;
78 	sc.tc = tc;
79 
80 	sc.name = args_get(args, 'n');
81 	sc.argc = args->argc;
82 	sc.argv = args->argv;
83 	sc.environ = environ_create();
84 
85 	add = args_first_value(args, 'e', &value);
86 	while (add != NULL) {
87 		environ_put(sc.environ, add, 0);
88 		add = args_next_value(&value);
89 	}
90 
91 	sc.idx = idx;
92 	sc.cwd = args_get(args, 'c');
93 
94 	sc.flags = 0;
95 	if (args_has(args, 'd'))
96 		sc.flags |= SPAWN_DETACHED;
97 	if (args_has(args, 'k'))
98 		sc.flags |= SPAWN_KILL;
99 
100 	if ((new_wl = spawn_window(&sc, &cause)) == NULL) {
101 		cmdq_error(item, "create window failed: %s", cause);
102 		free(cause);
103 		return (CMD_RETURN_ERROR);
104 	}
105 	if (!args_has(args, 'd') || new_wl == s->curw) {
106 		cmd_find_from_winlink(current, new_wl, 0);
107 		server_redraw_session_group(s);
108 	} else
109 		server_status_session_group(s);
110 
111 	if (args_has(args, 'P')) {
112 		if ((template = args_get(args, 'F')) == NULL)
113 			template = NEW_WINDOW_TEMPLATE;
114 		cp = format_single(item, template, tc, s, new_wl,
115 			new_wl->window->active);
116 		cmdq_print(item, "%s", cp);
117 		free(cp);
118 	}
119 
120 	cmd_find_from_winlink(&fs, new_wl, 0);
121 	cmdq_insert_hook(s, item, &fs, "after-new-window");
122 
123 	environ_free(sc.environ);
124 	return (CMD_RETURN_NORMAL);
125 }
126