1/* $OpenBSD: cmd-new-window.c,v 1.97 2023/09/01 14:24:46 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
35static enum cmd_retval	cmd_new_window_exec(struct cmd *, struct cmdq_item *);
36
37const struct cmd_entry cmd_new_window_entry = {
38	.name = "new-window",
39	.alias = "neww",
40
41	.args = { "abc:de:F:kn:PSt:", 0, -1, NULL },
42	.usage = "[-abdkPS] [-c start-directory] [-e environment] [-F format] "
43		 "[-n window-name] " CMD_TARGET_WINDOW_USAGE " [shell-command]",
44
45	.target = { 't', CMD_FIND_WINDOW, CMD_FIND_WINDOW_INDEX },
46
47	.flags = 0,
48	.exec = cmd_new_window_exec
49};
50
51static enum cmd_retval
52cmd_new_window_exec(struct cmd *self, struct cmdq_item *item)
53{
54	struct args		*args = cmd_get_args(self);
55	struct client		*c = cmdq_get_client(item);
56	struct cmd_find_state	*current = cmdq_get_current(item);
57	struct cmd_find_state	*target = cmdq_get_target(item);
58	struct spawn_context	 sc = { 0 };
59	struct client		*tc = cmdq_get_target_client(item);
60	struct session		*s = target->s;
61	struct winlink		*wl = target->wl, *new_wl = NULL;
62	int			 idx = target->idx, before;
63	char			*cause = NULL, *cp, *expanded;
64	const char		*template, *name;
65	struct cmd_find_state	 fs;
66	struct args_value	*av;
67
68	/*
69	 * If -S and -n are given and -t is not and a single window with this
70	 * name already exists, select it.
71	 */
72	name = args_get(args, 'n');
73	if (args_has(args, 'S') && name != NULL && target->idx == -1) {
74		expanded = format_single(item, name, c, s, NULL, NULL);
75		RB_FOREACH(wl, winlinks, &s->windows) {
76			if (strcmp(wl->window->name, expanded) != 0)
77				continue;
78			if (new_wl == NULL) {
79				new_wl = wl;
80				continue;
81			}
82			cmdq_error(item, "multiple windows named %s", name);
83			free(expanded);
84			return (CMD_RETURN_ERROR);
85		}
86		free(expanded);
87		if (new_wl != NULL) {
88			if (args_has(args, 'd'))
89				return (CMD_RETURN_NORMAL);
90			if (session_set_current(s, new_wl) == 0)
91				server_redraw_session(s);
92			if (c != NULL && c->session != NULL)
93				s->curw->window->latest = c;
94			recalculate_sizes();
95			return (CMD_RETURN_NORMAL);
96		}
97	}
98
99	before = args_has(args, 'b');
100	if (args_has(args, 'a') || before) {
101		idx = winlink_shuffle_up(s, wl, before);
102		if (idx == -1)
103			idx = target->idx;
104	}
105
106	sc.item = item;
107	sc.s = s;
108	sc.tc = tc;
109
110	sc.name = args_get(args, 'n');
111	args_to_vector(args, &sc.argc, &sc.argv);
112	sc.environ = environ_create();
113
114	av = args_first_value(args, 'e');
115	while (av != NULL) {
116		environ_put(sc.environ, av->string, 0);
117		av = args_next_value(av);
118	}
119
120	sc.idx = idx;
121	sc.cwd = args_get(args, 'c');
122
123	sc.flags = 0;
124	if (args_has(args, 'd'))
125		sc.flags |= SPAWN_DETACHED;
126	if (args_has(args, 'k'))
127		sc.flags |= SPAWN_KILL;
128
129	if ((new_wl = spawn_window(&sc, &cause)) == NULL) {
130		cmdq_error(item, "create window failed: %s", cause);
131		free(cause);
132		if (sc.argv != NULL)
133			cmd_free_argv(sc.argc, sc.argv);
134		environ_free(sc.environ);
135		return (CMD_RETURN_ERROR);
136	}
137	if (!args_has(args, 'd') || new_wl == s->curw) {
138		cmd_find_from_winlink(current, new_wl, 0);
139		server_redraw_session_group(s);
140	} else
141		server_status_session_group(s);
142
143	if (args_has(args, 'P')) {
144		if ((template = args_get(args, 'F')) == NULL)
145			template = NEW_WINDOW_TEMPLATE;
146		cp = format_single(item, template, tc, s, new_wl,
147			new_wl->window->active);
148		cmdq_print(item, "%s", cp);
149		free(cp);
150	}
151
152	cmd_find_from_winlink(&fs, new_wl, 0);
153	cmdq_insert_hook(s, item, &fs, "after-new-window");
154
155	if (sc.argv != NULL)
156		cmd_free_argv(sc.argc, sc.argv);
157	environ_free(sc.environ);
158	return (CMD_RETURN_NORMAL);
159}
160