cmd-find-window.c revision 1.1.1.7 
1/* $OpenBSD$ */
2
3/*
4 * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
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 <fnmatch.h>
22#include <stdlib.h>
23#include <string.h>
24
25#include "tmux.h"
26
27/*
28 * Find window containing text.
29 */
30
31#define FIND_WINDOW_TEMPLATE					\
32	"#{window_index}: #{window_name} "			\
33	"[#{window_width}x#{window_height}] "			\
34	"(#{window_panes} panes) #{window_find_matches}"
35
36static enum cmd_retval	cmd_find_window_exec(struct cmd *, struct cmdq_item *);
37
38static void		cmd_find_window_callback(struct window_choose_data *);
39
40/* Flags for determining matching behavior. */
41#define CMD_FIND_WINDOW_BY_TITLE   0x1
42#define CMD_FIND_WINDOW_BY_CONTENT 0x2
43#define CMD_FIND_WINDOW_BY_NAME    0x4
44
45#define CMD_FIND_WINDOW_ALL		\
46	(CMD_FIND_WINDOW_BY_TITLE |	\
47	 CMD_FIND_WINDOW_BY_CONTENT |	\
48	 CMD_FIND_WINDOW_BY_NAME)
49
50const struct cmd_entry cmd_find_window_entry = {
51	.name = "find-window",
52	.alias = "findw",
53
54	.args = { "F:CNt:T", 1, 4 },
55	.usage = "[-CNT] [-F format] " CMD_TARGET_WINDOW_USAGE " match-string",
56
57	.tflag = CMD_WINDOW,
58
59	.flags = 0,
60	.exec = cmd_find_window_exec
61};
62
63struct cmd_find_window_data {
64	struct winlink	*wl;
65	char		*list_ctx;
66	u_int		 pane_id;
67	TAILQ_ENTRY(cmd_find_window_data) entry;
68};
69TAILQ_HEAD(cmd_find_window_list, cmd_find_window_data);
70
71static u_int	cmd_find_window_match_flags(struct args *);
72static void	cmd_find_window_match(struct cmd_find_window_list *, int,
73		    struct winlink *, const char *, const char *);
74
75static u_int
76cmd_find_window_match_flags(struct args *args)
77{
78	u_int	match_flags = 0;
79
80	/* Turn on flags based on the options. */
81	if (args_has(args, 'T'))
82		match_flags |= CMD_FIND_WINDOW_BY_TITLE;
83	if (args_has(args, 'C'))
84		match_flags |= CMD_FIND_WINDOW_BY_CONTENT;
85	if (args_has(args, 'N'))
86		match_flags |= CMD_FIND_WINDOW_BY_NAME;
87
88	/* If none of the flags were set, default to matching anything. */
89	if (match_flags == 0)
90		match_flags = CMD_FIND_WINDOW_ALL;
91
92	return (match_flags);
93}
94
95static void
96cmd_find_window_match(struct cmd_find_window_list *find_list,
97    int match_flags, struct winlink *wl, const char *str,
98    const char *searchstr)
99{
100	struct cmd_find_window_data	*find_data;
101	struct window_pane		*wp;
102	u_int				 i, line;
103	char				*sres;
104
105	find_data = xcalloc(1, sizeof *find_data);
106
107	i = 0;
108	TAILQ_FOREACH(wp, &wl->window->panes, entry) {
109		i++;
110
111		if ((match_flags & CMD_FIND_WINDOW_BY_NAME) &&
112		    fnmatch(searchstr, wl->window->name, 0) == 0) {
113			find_data->list_ctx = xstrdup("");
114			break;
115		}
116
117		if ((match_flags & CMD_FIND_WINDOW_BY_TITLE) &&
118		    fnmatch(searchstr, wp->base.title, 0) == 0) {
119			xasprintf(&find_data->list_ctx,
120			    "pane %u title: \"%s\"", i - 1, wp->base.title);
121			break;
122		}
123
124		if (match_flags & CMD_FIND_WINDOW_BY_CONTENT &&
125		    (sres = window_pane_search(wp, str, &line)) != NULL) {
126			xasprintf(&find_data->list_ctx,
127			    "pane %u line %u: \"%s\"", i - 1, line + 1, sres);
128			free(sres);
129			break;
130		}
131	}
132
133	if (find_data->list_ctx != NULL) {
134		find_data->wl = wl;
135		find_data->pane_id = i - 1;
136		TAILQ_INSERT_TAIL(find_list, find_data, entry);
137	} else
138		free(find_data);
139}
140
141static enum cmd_retval
142cmd_find_window_exec(struct cmd *self, struct cmdq_item *item)
143{
144	struct args			*args = self->args;
145	struct client			*c = item->state.c;
146	struct window_choose_data	*cdata;
147	struct session			*s = item->state.tflag.s;
148	struct winlink			*wl = item->state.tflag.wl, *wm;
149	struct cmd_find_window_list	 find_list;
150	struct cmd_find_window_data	*find_data;
151	struct cmd_find_window_data	*find_data1;
152	char				*str, *searchstr;
153	const char			*template;
154	u_int				 i, match_flags;
155
156	if (c == NULL) {
157		cmdq_error(item, "no client available");
158		return (CMD_RETURN_ERROR);
159	}
160
161	if ((template = args_get(args, 'F')) == NULL)
162		template = FIND_WINDOW_TEMPLATE;
163
164	match_flags = cmd_find_window_match_flags(args);
165	str = args->argv[0];
166
167	TAILQ_INIT(&find_list);
168
169	xasprintf(&searchstr, "*%s*", str);
170	RB_FOREACH(wm, winlinks, &s->windows)
171	    cmd_find_window_match(&find_list, match_flags, wm, str, searchstr);
172	free(searchstr);
173
174	if (TAILQ_EMPTY(&find_list)) {
175		cmdq_error(item, "no windows matching: %s", str);
176		return (CMD_RETURN_ERROR);
177	}
178
179	if (TAILQ_NEXT(TAILQ_FIRST(&find_list), entry) == NULL) {
180		if (session_select(s, TAILQ_FIRST(&find_list)->wl->idx) == 0)
181			server_redraw_session(s);
182		recalculate_sizes();
183		goto out;
184	}
185
186	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
187		goto out;
188
189	i = 0;
190	TAILQ_FOREACH(find_data, &find_list, entry) {
191		cdata = window_choose_data_create(TREE_OTHER, c, c->session);
192		cdata->idx = find_data->wl->idx;
193		cdata->wl = find_data->wl;
194
195		cdata->ft_template = xstrdup(template);
196		cdata->pane_id = find_data->pane_id;
197
198		format_add(cdata->ft, "line", "%u", i);
199		format_add(cdata->ft, "window_find_matches", "%s",
200		    find_data->list_ctx);
201		format_defaults(cdata->ft, NULL, s, find_data->wl, NULL);
202
203		window_choose_add(wl->window->active, cdata);
204
205		i++;
206	}
207
208	window_choose_ready(wl->window->active, 0, cmd_find_window_callback);
209
210out:
211	TAILQ_FOREACH_SAFE(find_data, &find_list, entry, find_data1) {
212		free(find_data->list_ctx);
213		TAILQ_REMOVE(&find_list, find_data, entry);
214		free(find_data);
215	}
216	return (CMD_RETURN_NORMAL);
217}
218
219static void
220cmd_find_window_callback(struct window_choose_data *cdata)
221{
222	struct session		*s;
223	struct window_pane	*wp;
224
225	if (cdata == NULL)
226		return;
227
228	s = cdata->start_session;
229	if (!session_alive(s))
230		return;
231
232	wp = window_pane_at_index(cdata->wl->window, cdata->pane_id);
233	if (wp != NULL && window_pane_visible(wp))
234		window_set_active_pane(cdata->wl->window, wp);
235
236	if (session_select(s, cdata->idx) == 0) {
237		server_redraw_session(s);
238		recalculate_sizes();
239	}
240}
241