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8fade26 Imported Upstream version 1.1
Karl Ferdinand Ebert authored
1 /* $Id: cmd-switch-client.c,v 1.17 2009/07/28 22:12:16 tcunha 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 int cmd_switch_client_parse(struct cmd *, int, char **, char **);
31 int cmd_switch_client_exec(struct cmd *, struct cmd_ctx *);
32 void cmd_switch_client_free(struct cmd *);
33 size_t cmd_switch_client_print(struct cmd *, char *, size_t);
34
35 struct cmd_switch_client_data {
36 char *name;
37 char *target;
38 };
39
40 const struct cmd_entry cmd_switch_client_entry = {
41 "switch-client", "switchc",
42 "[-c target-client] [-t target-session]",
43 0, 0,
44 NULL,
45 cmd_switch_client_parse,
46 cmd_switch_client_exec,
47 cmd_switch_client_free,
48 cmd_switch_client_print
49 };
50
51 int
52 cmd_switch_client_parse(struct cmd *self, int argc, char **argv, char **cause)
53 {
54 struct cmd_switch_client_data *data;
55 int opt;
56
57 self->data = data = xmalloc(sizeof *data);
58 data->name = NULL;
59 data->target = NULL;
60
61 while ((opt = getopt(argc, argv, "c:t:")) != -1) {
62 switch (opt) {
63 case 'c':
64 data->name = xstrdup(optarg);
65 break;
66 case 't':
67 data->target = xstrdup(optarg);
68 break;
69 default:
70 goto usage;
71 }
72 }
73 argc -= optind;
74 argv += optind;
75 if (argc != 0)
76 goto usage;
77
78 return (0);
79
80 usage:
81 xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
82
83 self->entry->free(self);
84 return (-1);
85 }
86
87 int
88 cmd_switch_client_exec(struct cmd *self, struct cmd_ctx *ctx)
89 {
90 struct cmd_switch_client_data *data = self->data;
91 struct client *c;
92 struct session *s;
93
94 if (data == NULL)
95 return (0);
96
97 if ((c = cmd_find_client(ctx, data->name)) == NULL)
98 return (-1);
99 if ((s = cmd_find_session(ctx, data->target)) == NULL)
100 return (-1);
101
102 c->session = s;
103
104 recalculate_sizes();
105 server_redraw_client(c);
106
107 return (0);
108 }
109
110 void
111 cmd_switch_client_free(struct cmd *self)
112 {
113 struct cmd_switch_client_data *data = self->data;
114
115 if (data->name != NULL)
116 xfree(data->name);
117 if (data->target != NULL)
118 xfree(data->target);
119 xfree(data);
120 }
121
122 size_t
123 cmd_switch_client_print(struct cmd *self, char *buf, size_t len)
124 {
125 struct cmd_switch_client_data *data = self->data;
126 size_t off = 0;
127
128 off += xsnprintf(buf, len, "%s", self->entry->name);
129 if (data == NULL)
130 return (off);
131 if (off < len && data->name != NULL)
132 off += cmd_prarg(buf + off, len - off, " -c ", data->name);
133 if (off < len && data->target != NULL)
134 off += cmd_prarg(buf + off, len - off, " -t ", data->target);
135 return (off);
136 }
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