1/* $Id: cmd-choose-buffer.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
2
3/*
4 * Copyright (c) 2010 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 buffer.
27 */
28
29int	cmd_choose_buffer_exec(struct cmd *, struct cmd_ctx *);
30
31void	cmd_choose_buffer_callback(void *, int);
32void	cmd_choose_buffer_free(void *);
33
34const struct cmd_entry cmd_choose_buffer_entry = {
35	"choose-buffer", NULL,
36	"t:", 0, 1,
37	CMD_TARGET_WINDOW_USAGE " [template]",
38	0,
39	NULL,
40	NULL,
41	cmd_choose_buffer_exec
42};
43
44struct cmd_choose_buffer_data {
45	struct client   *client;
46	char            *template;
47};
48
49int
50cmd_choose_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
51{
52	struct args			*args = self->args;
53	struct cmd_choose_buffer_data	*cdata;
54	struct winlink			*wl;
55	struct paste_buffer		*pb;
56	u_int				 idx;
57	char				*tmp;
58
59	if (ctx->curclient == NULL) {
60		ctx->error(ctx, "must be run interactively");
61		return (-1);
62	}
63
64	if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL)
65		return (-1);
66
67	if (paste_get_top(&global_buffers) == NULL)
68		return (0);
69
70	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
71		return (0);
72
73	idx = 0;
74	while ((pb = paste_walk_stack(&global_buffers, &idx)) != NULL) {
75		tmp = paste_print(pb, 50);
76		window_choose_add(wl->window->active, idx - 1,
77		    "%u: %zu bytes: \"%s\"", idx - 1, pb->size, tmp);
78		xfree(tmp);
79	}
80
81	cdata = xmalloc(sizeof *cdata);
82	if (args->argc != 0)
83		cdata->template = xstrdup(args->argv[0]);
84	else
85		cdata->template = xstrdup("paste-buffer -b '%%'");
86	cdata->client = ctx->curclient;
87	cdata->client->references++;
88
89	window_choose_ready(wl->window->active,
90	    0, cmd_choose_buffer_callback, cmd_choose_buffer_free, cdata);
91
92	return (0);
93}
94
95void
96cmd_choose_buffer_callback(void *data, int idx)
97{
98	struct cmd_choose_buffer_data	*cdata = data;
99	struct cmd_list			*cmdlist;
100	struct cmd_ctx			 ctx;
101	char				*template, *cause, tmp[16];
102
103	if (idx == -1)
104		return;
105	if (cdata->client->flags & CLIENT_DEAD)
106		return;
107
108	xsnprintf(tmp, sizeof tmp, "%u", idx);
109	template = cmd_template_replace(cdata->template, tmp, 1);
110
111	if (cmd_string_parse(template, &cmdlist, &cause) != 0) {
112		if (cause != NULL) {
113			*cause = toupper((u_char) *cause);
114			status_message_set(cdata->client, "%s", cause);
115			xfree(cause);
116		}
117		xfree(template);
118		return;
119	}
120	xfree(template);
121
122	ctx.msgdata = NULL;
123	ctx.curclient = cdata->client;
124
125	ctx.error = key_bindings_error;
126	ctx.print = key_bindings_print;
127	ctx.info = key_bindings_info;
128
129	ctx.cmdclient = NULL;
130
131	cmd_list_exec(cmdlist, &ctx);
132	cmd_list_free(cmdlist);
133}
134
135void
136cmd_choose_buffer_free(void *data)
137{
138	struct cmd_choose_buffer_data	*cdata = data;
139
140	cdata->client->references--;
141	xfree(cdata->template);
142	xfree(cdata);
143}
144