xref: /openbsd/usr.bin/tmux/cmd-new-window.c (revision 4d3ff7cd)
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 
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: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 
51 static enum cmd_retval
cmd_new_window_exec(struct cmd * self,struct cmdq_item * item)52 cmd_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