xref: /openbsd/usr.bin/tmux/cmd-find-window.c (revision f65f2164)
1 /* $OpenBSD: cmd-find-window.c,v 1.32 2015/04/27 16:25:57 nicm 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 <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 
36 enum cmd_retval	 cmd_find_window_exec(struct cmd *, struct cmd_q *);
37 
38 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 
50 const struct cmd_entry cmd_find_window_entry = {
51 	"find-window", "findw",
52 	"F:CNt:T", 1, 4,
53 	"[-CNT] [-F format] " CMD_TARGET_WINDOW_USAGE " match-string",
54 	0,
55 	cmd_find_window_exec
56 };
57 
58 struct cmd_find_window_data {
59 	struct winlink	*wl;
60 	char		*list_ctx;
61 	u_int		 pane_id;
62 };
63 ARRAY_DECL(cmd_find_window_data_list, struct cmd_find_window_data);
64 
65 u_int	cmd_find_window_match_flags(struct args *);
66 void	cmd_find_window_match(struct cmd_find_window_data_list *, int,
67 	    struct winlink *, const char *, const char *);
68 
69 u_int
70 cmd_find_window_match_flags(struct args *args)
71 {
72 	u_int	match_flags = 0;
73 
74 	/* Turn on flags based on the options. */
75 	if (args_has(args, 'T'))
76 		match_flags |= CMD_FIND_WINDOW_BY_TITLE;
77 	if (args_has(args, 'C'))
78 		match_flags |= CMD_FIND_WINDOW_BY_CONTENT;
79 	if (args_has(args, 'N'))
80 		match_flags |= CMD_FIND_WINDOW_BY_NAME;
81 
82 	/* If none of the flags were set, default to matching anything. */
83 	if (match_flags == 0)
84 		match_flags = CMD_FIND_WINDOW_ALL;
85 
86 	return (match_flags);
87 }
88 
89 void
90 cmd_find_window_match(struct cmd_find_window_data_list *find_list,
91     int match_flags, struct winlink *wl, const char *str,
92     const char *searchstr)
93 {
94 	struct cmd_find_window_data	 find_data;
95 	struct window_pane		*wp;
96 	u_int				 i, line;
97 	char				*sres;
98 
99 	memset(&find_data, 0, sizeof find_data);
100 
101 	i = 0;
102 	TAILQ_FOREACH(wp, &wl->window->panes, entry) {
103 		i++;
104 
105 		if ((match_flags & CMD_FIND_WINDOW_BY_NAME) &&
106 		    fnmatch(searchstr, wl->window->name, 0) == 0) {
107 			find_data.list_ctx = xstrdup("");
108 			break;
109 		}
110 
111 		if ((match_flags & CMD_FIND_WINDOW_BY_TITLE) &&
112 		    fnmatch(searchstr, wp->base.title, 0) == 0) {
113 			xasprintf(&find_data.list_ctx,
114 			    "pane %u title: \"%s\"", i - 1, wp->base.title);
115 			break;
116 		}
117 
118 		if (match_flags & CMD_FIND_WINDOW_BY_CONTENT &&
119 		    (sres = window_pane_search(wp, str, &line)) != NULL) {
120 			xasprintf(&find_data.list_ctx,
121 			    "pane %u line %u: \"%s\"", i - 1, line + 1, sres);
122 			free(sres);
123 			break;
124 		}
125 	}
126 	if (find_data.list_ctx != NULL) {
127 		find_data.wl = wl;
128 		find_data.pane_id = i - 1;
129 		ARRAY_ADD(find_list, find_data);
130 	}
131 }
132 
133 enum cmd_retval
134 cmd_find_window_exec(struct cmd *self, struct cmd_q *cmdq)
135 {
136 	struct args			*args = self->args;
137 	struct client			*c;
138 	struct window_choose_data	*cdata;
139 	struct session			*s;
140 	struct winlink			*wl, *wm;
141 	struct cmd_find_window_data_list find_list;
142 	char				*str, *searchstr;
143 	const char			*template;
144 	u_int				 i, match_flags;
145 
146 	if ((c = cmd_find_client(cmdq, NULL, 1)) == NULL) {
147 		cmdq_error(cmdq, "no client available");
148 		return (CMD_RETURN_ERROR);
149 	}
150 	s = c->session;
151 
152 	if ((wl = cmd_find_window(cmdq, args_get(args, 't'), NULL)) == NULL)
153 		return (CMD_RETURN_ERROR);
154 
155 	if ((template = args_get(args, 'F')) == NULL)
156 		template = FIND_WINDOW_TEMPLATE;
157 
158 	match_flags = cmd_find_window_match_flags(args);
159 	str = args->argv[0];
160 
161 	ARRAY_INIT(&find_list);
162 
163 	xasprintf(&searchstr, "*%s*", str);
164 	RB_FOREACH(wm, winlinks, &s->windows)
165 	    cmd_find_window_match(&find_list, match_flags, wm, str, searchstr);
166 	free(searchstr);
167 
168 	if (ARRAY_LENGTH(&find_list) == 0) {
169 		cmdq_error(cmdq, "no windows matching: %s", str);
170 		ARRAY_FREE(&find_list);
171 		return (CMD_RETURN_ERROR);
172 	}
173 
174 	if (ARRAY_LENGTH(&find_list) == 1) {
175 		if (session_select(s, ARRAY_FIRST(&find_list).wl->idx) == 0)
176 			server_redraw_session(s);
177 		recalculate_sizes();
178 		goto out;
179 	}
180 
181 	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
182 		goto out;
183 
184 	for (i = 0; i < ARRAY_LENGTH(&find_list); i++) {
185 		wm = ARRAY_ITEM(&find_list, i).wl;
186 
187 		cdata = window_choose_data_create(TREE_OTHER, c, c->session);
188 		cdata->idx = wm->idx;
189 		cdata->wl = wm;
190 
191 		cdata->ft_template = xstrdup(template);
192 		cdata->pane_id = ARRAY_ITEM(&find_list, i).pane_id;
193 
194 		format_add(cdata->ft, "line", "%u", i);
195 		format_add(cdata->ft, "window_find_matches", "%s",
196 		    ARRAY_ITEM(&find_list, i).list_ctx);
197 		format_defaults(cdata->ft, NULL, s, wm, NULL);
198 
199 		window_choose_add(wl->window->active, cdata);
200 	}
201 
202 	window_choose_ready(wl->window->active, 0, cmd_find_window_callback);
203 
204 out:
205 	for (i = 0; i < ARRAY_LENGTH(&find_list); i++)
206 		free(ARRAY_ITEM(&find_list, i).list_ctx);
207 	ARRAY_FREE(&find_list);
208 	return (CMD_RETURN_NORMAL);
209 }
210 
211 void
212 cmd_find_window_callback(struct window_choose_data *cdata)
213 {
214 	struct session		*s;
215 	struct window_pane	*wp;
216 
217 	if (cdata == NULL)
218 		return;
219 
220 	s = cdata->start_session;
221 	if (!session_alive(s))
222 		return;
223 
224 	wp = window_pane_at_index(cdata->wl->window, cdata->pane_id);
225 	if (wp != NULL && window_pane_visible(wp))
226 		window_set_active_pane(cdata->wl->window, wp);
227 
228 	if (session_select(s, cdata->idx) == 0) {
229 		server_redraw_session(s);
230 		recalculate_sizes();
231 	}
232 }
233