xref: /openbsd-src/usr.bin/tmux/cmd-switch-client.c (revision 5b859c19fe53bbea08f5c342e0a4470e99f883e1)
1 /* $OpenBSD: cmd-switch-client.c,v 1.22 2014/10/20 22:29:25 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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 #include <string.h>
23 
24 #include "tmux.h"
25 
26 /*
27  * Switch client to a different session.
28  */
29 
30 enum cmd_retval	 cmd_switch_client_exec(struct cmd *, struct cmd_q *);
31 
32 const struct cmd_entry cmd_switch_client_entry = {
33 	"switch-client", "switchc",
34 	"lc:npt:r", 0, 0,
35 	"[-lnpr] [-c target-client] [-t target-session]",
36 	CMD_READONLY,
37 	cmd_switch_client_exec
38 };
39 
40 enum cmd_retval
41 cmd_switch_client_exec(struct cmd *self, struct cmd_q *cmdq)
42 {
43 	struct args		*args = self->args;
44 	struct client		*c;
45 	struct session		*s = NULL;
46 	struct winlink		*wl = NULL;
47 	struct window 		*w = NULL;
48 	struct window_pane	*wp = NULL;
49 	const char		*tflag;
50 
51 	if ((c = cmd_find_client(cmdq, args_get(args, 'c'), 0)) == NULL)
52 		return (CMD_RETURN_ERROR);
53 
54 	if (args_has(args, 'r')) {
55 		if (c->flags & CLIENT_READONLY)
56 			c->flags &= ~CLIENT_READONLY;
57 		else
58 			c->flags |= CLIENT_READONLY;
59 	}
60 
61 	tflag = args_get(args, 't');
62 	if (args_has(args, 'n')) {
63 		if ((s = session_next_session(c->session)) == NULL) {
64 			cmdq_error(cmdq, "can't find next session");
65 			return (CMD_RETURN_ERROR);
66 		}
67 	} else if (args_has(args, 'p')) {
68 		if ((s = session_previous_session(c->session)) == NULL) {
69 			cmdq_error(cmdq, "can't find previous session");
70 			return (CMD_RETURN_ERROR);
71 		}
72 	} else if (args_has(args, 'l')) {
73 		if (c->last_session != NULL && session_alive(c->last_session))
74 			s = c->last_session;
75 		if (s == NULL) {
76 			cmdq_error(cmdq, "can't find last session");
77 			return (CMD_RETURN_ERROR);
78 		}
79 	} else {
80 		if (tflag == NULL) {
81 			if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
82 				return (CMD_RETURN_ERROR);
83 		} else if (tflag[strcspn(tflag, ":.")] != '\0') {
84 			if ((wl = cmd_find_pane(cmdq, tflag, &s, &wp)) == NULL)
85 				return (CMD_RETURN_ERROR);
86 		} else {
87 			if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
88 				return (CMD_RETURN_ERROR);
89 			w = cmd_lookup_windowid(tflag);
90 			if (w == NULL &&
91 			    (wp = cmd_lookup_paneid(tflag)) != NULL)
92 				w = wp->window;
93 			if (w != NULL)
94 				wl = winlink_find_by_window(&s->windows, w);
95 		}
96 
97 		if (cmdq->client == NULL)
98 			return (CMD_RETURN_NORMAL);
99 
100 		if (wl != NULL) {
101 			if (wp != NULL)
102 				window_set_active_pane(wp->window, wp);
103 			session_set_current(s, wl);
104 		}
105 	}
106 
107 	if (c->session != NULL)
108 		c->last_session = c->session;
109 	c->session = s;
110 	session_update_activity(s);
111 
112 	recalculate_sizes();
113 	server_check_unattached();
114 	server_redraw_client(c);
115 	s->curw->flags &= ~WINLINK_ALERTFLAGS;
116 
117 	return (CMD_RETURN_NORMAL);
118 }
119