xref: /openbsd-src/usr.bin/tmux/cmd-switch-client.c (revision 4c1e55dc91edd6e69ccc60ce855900fbc12cf34f)
1 /* $OpenBSD: cmd-switch-client.c,v 1.15 2012/07/11 07:10:15 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 void		 cmd_switch_client_key_binding(struct cmd *, int);
31 enum cmd_retval	 cmd_switch_client_exec(struct cmd *, struct cmd_ctx *);
32 
33 const struct cmd_entry cmd_switch_client_entry = {
34 	"switch-client", "switchc",
35 	"lc:npt:r", 0, 0,
36 	"[-lnpr] [-c target-client] [-t target-session]",
37 	CMD_READONLY,
38 	cmd_switch_client_key_binding,
39 	NULL,
40 	cmd_switch_client_exec
41 };
42 
43 void
44 cmd_switch_client_key_binding(struct cmd *self, int key)
45 {
46 	self->args = args_create(0);
47 	switch (key) {
48 	case '(':
49 		args_set(self->args, 'p', NULL);
50 		break;
51 	case ')':
52 		args_set(self->args, 'n', NULL);
53 		break;
54 	case 'L':
55 		args_set(self->args, 'l', NULL);
56 		break;
57 	}
58 }
59 
60 enum cmd_retval
61 cmd_switch_client_exec(struct cmd *self, struct cmd_ctx *ctx)
62 {
63 	struct args	*args = self->args;
64 	struct client	*c;
65 	struct session	*s;
66 
67 	if ((c = cmd_find_client(ctx, args_get(args, 'c'))) == NULL)
68 		return (CMD_RETURN_ERROR);
69 
70 	if (args_has(args, 'r')) {
71 		if (c->flags & CLIENT_READONLY) {
72 			c->flags &= ~CLIENT_READONLY;
73 			ctx->info(ctx, "made client writable");
74 		} else {
75 			c->flags |= CLIENT_READONLY;
76 			ctx->info(ctx, "made client read-only");
77 		}
78 	}
79 
80 	s = NULL;
81 	if (args_has(args, 'n')) {
82 		if ((s = session_next_session(c->session)) == NULL) {
83 			ctx->error(ctx, "can't find next session");
84 			return (CMD_RETURN_ERROR);
85 		}
86 	} else if (args_has(args, 'p')) {
87 		if ((s = session_previous_session(c->session)) == NULL) {
88 			ctx->error(ctx, "can't find previous session");
89 			return (CMD_RETURN_ERROR);
90 		}
91 	} else if (args_has(args, 'l')) {
92 		if (c->last_session != NULL && session_alive(c->last_session))
93 			s = c->last_session;
94 		if (s == NULL) {
95 			ctx->error(ctx, "can't find last session");
96 			return (CMD_RETURN_ERROR);
97 		}
98 	} else
99 		s = cmd_find_session(ctx, args_get(args, 't'), 0);
100 	if (s == NULL)
101 		return (CMD_RETURN_ERROR);
102 
103 	if (c->session != NULL)
104 		c->last_session = c->session;
105 	c->session = s;
106 	session_update_activity(s);
107 
108 	recalculate_sizes();
109 	server_check_unattached();
110 	server_redraw_client(c);
111 	s->curw->flags &= ~WINLINK_ALERTFLAGS;
112 
113 	return (CMD_RETURN_NORMAL);
114 }
115