xref: /openbsd-src/usr.bin/tmux/cmd-select-window.c (revision 90d7ba3861d079c6fa4f1960b5f66a00fbd31640)
1 /* $OpenBSD: cmd-select-window.c,v 1.24 2020/04/13 08:26:27 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 },
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 },
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 },
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 },
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
85 cmd_select_window_exec(struct cmd *self, struct cmdq_item *item)
86 {
87 	struct args		*args = cmd_get_args(self);
88 	struct cmd_find_state	*current = &item->shared->current;
89 	struct winlink		*wl = item->target.wl;
90 	struct session		*s = item->target.s;
91 	int			 next, previous, last, activity;
92 
93 	next = (cmd_get_entry(self) == &cmd_next_window_entry);
94 	if (args_has(args, 'n'))
95 		next = 1;
96 	previous = (cmd_get_entry(self) == &cmd_previous_window_entry);
97 	if (args_has(args, 'p'))
98 		previous = 1;
99 	last = (cmd_get_entry(self) == &cmd_last_window_entry);
100 	if (args_has(args, 'l'))
101 		last = 1;
102 
103 	if (next || previous || last) {
104 		activity = args_has(args, 'a');
105 		if (next) {
106 			if (session_next(s, activity) != 0) {
107 				cmdq_error(item, "no next window");
108 				return (CMD_RETURN_ERROR);
109 			}
110 		} else if (previous) {
111 			if (session_previous(s, activity) != 0) {
112 				cmdq_error(item, "no previous window");
113 				return (CMD_RETURN_ERROR);
114 			}
115 		} else {
116 			if (session_last(s) != 0) {
117 				cmdq_error(item, "no last window");
118 				return (CMD_RETURN_ERROR);
119 			}
120 		}
121 		cmd_find_from_session(current, s, 0);
122 		server_redraw_session(s);
123 		cmdq_insert_hook(s, item, current, "after-select-window");
124 	} else {
125 		/*
126 		 * If -T and select-window is invoked on same window as
127 		 * current, switch to previous window.
128 		 */
129 		if (args_has(args, 'T') && wl == s->curw) {
130 			if (session_last(s) != 0) {
131 				cmdq_error(item, "no last window");
132 				return (-1);
133 			}
134 			if (current->s == s)
135 				cmd_find_from_session(current, s, 0);
136 			server_redraw_session(s);
137 		} else if (session_select(s, wl->idx) == 0) {
138 			cmd_find_from_session(current, s, 0);
139 			server_redraw_session(s);
140 		}
141 		cmdq_insert_hook(s, item, current, "after-select-window");
142 	}
143 	recalculate_sizes();
144 
145 	return (CMD_RETURN_NORMAL);
146 }
147