xref: /openbsd/usr.bin/tmux/cmd-select-window.c (revision a51dead1)
1 /* $OpenBSD: cmd-select-window.c,v 1.30 2021/08/21 10:22:39 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 <stdlib.h>
22 
23 #include "tmux.h"
24 
25 /*
26  * Select window by index.
27  */
28 
29 static enum cmd_retval	cmd_select_window_exec(struct cmd *,
30 			    struct cmdq_item *);
31 
32 const struct cmd_entry cmd_select_window_entry = {
33 	.name = "select-window",
34 	.alias = "selectw",
35 
36 	.args = { "lnpTt:", 0, 0, NULL },
37 	.usage = "[-lnpT] " CMD_TARGET_WINDOW_USAGE,
38 
39 	.target = { 't', CMD_FIND_WINDOW, 0 },
40 
41 	.flags = 0,
42 	.exec = cmd_select_window_exec
43 };
44 
45 const struct cmd_entry cmd_next_window_entry = {
46 	.name = "next-window",
47 	.alias = "next",
48 
49 	.args = { "at:", 0, 0, NULL },
50 	.usage = "[-a] " CMD_TARGET_SESSION_USAGE,
51 
52 	.target = { 't', CMD_FIND_SESSION, 0 },
53 
54 	.flags = 0,
55 	.exec = cmd_select_window_exec
56 };
57 
58 const struct cmd_entry cmd_previous_window_entry = {
59 	.name = "previous-window",
60 	.alias = "prev",
61 
62 	.args = { "at:", 0, 0, NULL },
63 	.usage = "[-a] " CMD_TARGET_SESSION_USAGE,
64 
65 	.target = { 't', CMD_FIND_SESSION, 0 },
66 
67 	.flags = 0,
68 	.exec = cmd_select_window_exec
69 };
70 
71 const struct cmd_entry cmd_last_window_entry = {
72 	.name = "last-window",
73 	.alias = "last",
74 
75 	.args = { "t:", 0, 0, NULL },
76 	.usage = CMD_TARGET_SESSION_USAGE,
77 
78 	.target = { 't', CMD_FIND_SESSION, 0 },
79 
80 	.flags = 0,
81 	.exec = cmd_select_window_exec
82 };
83 
84 static enum cmd_retval
cmd_select_window_exec(struct cmd * self,struct cmdq_item * item)85 cmd_select_window_exec(struct cmd *self, struct cmdq_item *item)
86 {
87 	struct args		*args = cmd_get_args(self);
88 	struct client		*c = cmdq_get_client(item);
89 	struct cmd_find_state	*current = cmdq_get_current(item);
90 	struct cmd_find_state	*target = cmdq_get_target(item);
91 	struct winlink		*wl = target->wl;
92 	struct session		*s = target->s;
93 	int			 next, previous, last, activity;
94 
95 	next = (cmd_get_entry(self) == &cmd_next_window_entry);
96 	if (args_has(args, 'n'))
97 		next = 1;
98 	previous = (cmd_get_entry(self) == &cmd_previous_window_entry);
99 	if (args_has(args, 'p'))
100 		previous = 1;
101 	last = (cmd_get_entry(self) == &cmd_last_window_entry);
102 	if (args_has(args, 'l'))
103 		last = 1;
104 
105 	if (next || previous || last) {
106 		activity = args_has(args, 'a');
107 		if (next) {
108 			if (session_next(s, activity) != 0) {
109 				cmdq_error(item, "no next window");
110 				return (CMD_RETURN_ERROR);
111 			}
112 		} else if (previous) {
113 			if (session_previous(s, activity) != 0) {
114 				cmdq_error(item, "no previous window");
115 				return (CMD_RETURN_ERROR);
116 			}
117 		} else {
118 			if (session_last(s) != 0) {
119 				cmdq_error(item, "no last window");
120 				return (CMD_RETURN_ERROR);
121 			}
122 		}
123 		cmd_find_from_session(current, s, 0);
124 		server_redraw_session(s);
125 		cmdq_insert_hook(s, item, current, "after-select-window");
126 	} else {
127 		/*
128 		 * If -T and select-window is invoked on same window as
129 		 * current, switch to previous window.
130 		 */
131 		if (args_has(args, 'T') && wl == s->curw) {
132 			if (session_last(s) != 0) {
133 				cmdq_error(item, "no last window");
134 				return (-1);
135 			}
136 			if (current->s == s)
137 				cmd_find_from_session(current, s, 0);
138 			server_redraw_session(s);
139 		} else if (session_select(s, wl->idx) == 0) {
140 			cmd_find_from_session(current, s, 0);
141 			server_redraw_session(s);
142 		}
143 		cmdq_insert_hook(s, item, current, "after-select-window");
144 	}
145 	if (c != NULL && c->session != NULL)
146 		s->curw->window->latest = c;
147 	recalculate_sizes();
148 
149 	return (CMD_RETURN_NORMAL);
150 }
151