1 /* $Id: cmd-choose-client.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
2 
3 /*
4  * Copyright (c) 2009 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 <ctype.h>
22 
23 #include "tmux.h"
24 
25 /*
26  * Enter choice mode to choose a client.
27  */
28 
29 int	cmd_choose_client_exec(struct cmd *, struct cmd_ctx *);
30 
31 void	cmd_choose_client_callback(void *, int);
32 void	cmd_choose_client_free(void *);
33 
34 const struct cmd_entry cmd_choose_client_entry = {
35 	"choose-client", NULL,
36 	"t:", 0, 1,
37 	CMD_TARGET_WINDOW_USAGE " [template]",
38 	0,
39 	NULL,
40 	NULL,
41 	cmd_choose_client_exec
42 };
43 
44 struct cmd_choose_client_data {
45 	struct client	*client;
46 	char   		*template;
47 };
48 
49 int
50 cmd_choose_client_exec(struct cmd *self, struct cmd_ctx *ctx)
51 {
52 	struct args			*args = self->args;
53 	struct cmd_choose_client_data	*cdata;
54 	struct winlink			*wl;
55 	struct client			*c;
56 	u_int			 	 i, idx, cur;
57 
58 	if (ctx->curclient == NULL) {
59 		ctx->error(ctx, "must be run interactively");
60 		return (-1);
61 	}
62 
63 	if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL)
64 		return (-1);
65 
66 	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
67 		return (0);
68 
69 	cur = idx = 0;
70 	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
71 		c = ARRAY_ITEM(&clients, i);
72 		if (c == NULL || c->session == NULL)
73 			continue;
74 		if (c == ctx->curclient)
75 			cur = idx;
76 		idx++;
77 
78 		window_choose_add(wl->window->active, i,
79 		    "%s: %s [%ux%u %s]%s", c->tty.path,
80 		    c->session->name, c->tty.sx, c->tty.sy,
81 		    c->tty.termname, c->tty.flags & TTY_UTF8 ? " (utf8)" : "");
82 	}
83 
84 	cdata = xmalloc(sizeof *cdata);
85 	if (args->argc != 0)
86 		cdata->template = xstrdup(args->argv[0]);
87 	else
88 		cdata->template = xstrdup("detach-client -t '%%'");
89 	cdata->client = ctx->curclient;
90 	cdata->client->references++;
91 
92 	window_choose_ready(wl->window->active,
93 	    cur, cmd_choose_client_callback, cmd_choose_client_free, cdata);
94 
95 	return (0);
96 }
97 
98 void
99 cmd_choose_client_callback(void *data, int idx)
100 {
101 	struct cmd_choose_client_data	*cdata = data;
102 	struct client  			*c;
103 	struct cmd_list			*cmdlist;
104 	struct cmd_ctx			 ctx;
105 	char				*template, *cause;
106 
107 	if (idx == -1)
108 		return;
109 	if (cdata->client->flags & CLIENT_DEAD)
110 		return;
111 
112 	if ((u_int) idx > ARRAY_LENGTH(&clients) - 1)
113 		return;
114 	c = ARRAY_ITEM(&clients, idx);
115 	if (c == NULL || c->session == NULL)
116 		return;
117 	template = cmd_template_replace(cdata->template, c->tty.path, 1);
118 
119 	if (cmd_string_parse(template, &cmdlist, &cause) != 0) {
120 		if (cause != NULL) {
121 			*cause = toupper((u_char) *cause);
122 			status_message_set(c, "%s", cause);
123 			xfree(cause);
124 		}
125 		xfree(template);
126 		return;
127 	}
128 	xfree(template);
129 
130 	ctx.msgdata = NULL;
131 	ctx.curclient = cdata->client;
132 
133 	ctx.error = key_bindings_error;
134 	ctx.print = key_bindings_print;
135 	ctx.info = key_bindings_info;
136 
137 	ctx.cmdclient = NULL;
138 
139 	cmd_list_exec(cmdlist, &ctx);
140 	cmd_list_free(cmdlist);
141 }
142 
143 void
144 cmd_choose_client_free(void *data)
145 {
146 	struct cmd_choose_client_data	*cdata = data;
147 
148 	cdata->client->references--;
149 	xfree(cdata->template);
150 	xfree(cdata);
151 }
152