1 /* $Id: cmd-switch-client.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv 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 int	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:", 0, 0,
36 	"[-lnp] [-c target-client] [-t target-session]",
37 	0,
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 int
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 (-1);
69 
70 	s = NULL;
71 	if (args_has(args, 'n')) {
72 		if ((s = session_next_session(c->session)) == NULL) {
73 			ctx->error(ctx, "can't find next session");
74 			return (-1);
75 		}
76 	} else if (args_has(args, 'p')) {
77 		if ((s = session_previous_session(c->session)) == NULL) {
78 			ctx->error(ctx, "can't find previous session");
79 			return (-1);
80 		}
81 	} else if (args_has(args, 'l')) {
82 		if (c->last_session != NULL && session_alive(c->last_session))
83 			s = c->last_session;
84 		if (s == NULL) {
85 			ctx->error(ctx, "can't find last session");
86 			return (-1);
87 		}
88 	} else
89 		s = cmd_find_session(ctx, args_get(args, 't'), 0);
90 	if (s == NULL)
91 		return (-1);
92 
93 	if (c->session != NULL)
94 		c->last_session = c->session;
95 	c->session = s;
96 	session_update_activity(s);
97 
98 	recalculate_sizes();
99 	server_check_unattached();
100 	server_redraw_client(c);
101 
102 	return (0);
103 }
104