xref: /openbsd-src/usr.bin/tmux/cmd-find-window.c (revision 48950c12d106c85f315112191a0228d7b83b9510)
1 /* $OpenBSD: cmd-find-window.c,v 1.24 2013/03/24 09:54:10 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 enum cmd_retval	 cmd_find_window_exec(struct cmd *, struct cmd_q *);
32 
33 void	cmd_find_window_callback(struct window_choose_data *);
34 
35 /* Flags for determining matching behavior. */
36 #define CMD_FIND_WINDOW_BY_TITLE   0x1
37 #define CMD_FIND_WINDOW_BY_CONTENT 0x2
38 #define CMD_FIND_WINDOW_BY_NAME    0x4
39 
40 #define CMD_FIND_WINDOW_ALL		\
41 	(CMD_FIND_WINDOW_BY_TITLE |	\
42 	 CMD_FIND_WINDOW_BY_CONTENT |	\
43 	 CMD_FIND_WINDOW_BY_NAME)
44 
45 const struct cmd_entry cmd_find_window_entry = {
46 	"find-window", "findw",
47 	"F:CNt:T", 1, 4,
48 	"[-CNT] [-F format] " CMD_TARGET_WINDOW_USAGE " match-string",
49 	0,
50 	NULL,
51 	NULL,
52 	cmd_find_window_exec
53 };
54 
55 struct cmd_find_window_data {
56 	struct winlink	*wl;
57 	char		*list_ctx;
58 	u_int		 pane_id;
59 };
60 ARRAY_DECL(cmd_find_window_data_list, struct cmd_find_window_data);
61 
62 u_int	cmd_find_window_match_flags(struct args *);
63 void	cmd_find_window_match(struct cmd_find_window_data_list *, int,
64 	    struct winlink *, const char *, const char *);
65 
66 u_int
67 cmd_find_window_match_flags(struct args *args)
68 {
69 	u_int	match_flags = 0;
70 
71 	/* Turn on flags based on the options. */
72 	if (args_has(args, 'T'))
73 		match_flags |= CMD_FIND_WINDOW_BY_TITLE;
74 	if (args_has(args, 'C'))
75 		match_flags |= CMD_FIND_WINDOW_BY_CONTENT;
76 	if (args_has(args, 'N'))
77 		match_flags |= CMD_FIND_WINDOW_BY_NAME;
78 
79 	/* If none of the flags were set, default to matching anything. */
80 	if (match_flags == 0)
81 		match_flags = CMD_FIND_WINDOW_ALL;
82 
83 	return (match_flags);
84 }
85 
86 void
87 cmd_find_window_match(struct cmd_find_window_data_list *find_list,
88     int match_flags, struct winlink *wl, const char *str, const char *searchstr)
89 {
90 	struct cmd_find_window_data	 find_data;
91 	struct window_pane		*wp;
92 	u_int				 i, line;
93 	char				*sres;
94 
95 	memset(&find_data, 0, sizeof find_data);
96 
97 	i = 0;
98 	TAILQ_FOREACH(wp, &wl->window->panes, entry) {
99 		i++;
100 
101 		if ((match_flags & CMD_FIND_WINDOW_BY_NAME) &&
102 		    fnmatch(searchstr, wl->window->name, 0) == 0) {
103 			find_data.list_ctx = xstrdup("");
104 			break;
105 		}
106 
107 		if ((match_flags & CMD_FIND_WINDOW_BY_TITLE) &&
108 		    fnmatch(searchstr, wp->base.title, 0) == 0) {
109 			xasprintf(&find_data.list_ctx,
110 			    "pane %u title: \"%s\"", i - 1, wp->base.title);
111 			break;
112 		}
113 
114 		if (match_flags & CMD_FIND_WINDOW_BY_CONTENT &&
115 		    (sres = window_pane_search(wp, str, &line)) != NULL) {
116 			xasprintf(&find_data.list_ctx,
117 			    "pane %u line %u: \"%s\"", i - 1, line + 1, sres);
118 			free(sres);
119 			break;
120 		}
121 	}
122 	if (find_data.list_ctx != NULL) {
123 		find_data.wl = wl;
124 		find_data.pane_id = i - 1;
125 		ARRAY_ADD(find_list, find_data);
126 	}
127 }
128 
129 enum cmd_retval
130 cmd_find_window_exec(struct cmd *self, struct cmd_q *cmdq)
131 {
132 	struct args			*args = self->args;
133 	struct client			*c;
134 	struct window_choose_data	*cdata;
135 	struct session			*s;
136 	struct winlink			*wl, *wm;
137 	struct cmd_find_window_data_list find_list;
138 	char				*str, *searchstr;
139 	const char			*template;
140 	u_int				 i, match_flags;
141 
142 	if ((c = cmd_current_client(cmdq)) == NULL) {
143 		cmdq_error(cmdq, "no client available");
144 		return (CMD_RETURN_ERROR);
145 	}
146 	s = c->session;
147 
148 	if ((wl = cmd_find_window(cmdq, args_get(args, 't'), NULL)) == NULL)
149 		return (CMD_RETURN_ERROR);
150 
151 	if ((template = args_get(args, 'F')) == NULL)
152 		template = FIND_WINDOW_TEMPLATE;
153 
154 	match_flags = cmd_find_window_match_flags(args);
155 	str = args->argv[0];
156 
157 	ARRAY_INIT(&find_list);
158 
159 	xasprintf(&searchstr, "*%s*", str);
160 	RB_FOREACH(wm, winlinks, &s->windows)
161 	    cmd_find_window_match (&find_list, match_flags, wm, str, searchstr);
162 	free(searchstr);
163 
164 	if (ARRAY_LENGTH(&find_list) == 0) {
165 		cmdq_error(cmdq, "no windows matching: %s", str);
166 		ARRAY_FREE(&find_list);
167 		return (CMD_RETURN_ERROR);
168 	}
169 
170 	if (ARRAY_LENGTH(&find_list) == 1) {
171 		if (session_select(s, ARRAY_FIRST(&find_list).wl->idx) == 0)
172 			server_redraw_session(s);
173 		recalculate_sizes();
174 		goto out;
175 	}
176 
177 	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
178 		goto out;
179 
180 	for (i = 0; i < ARRAY_LENGTH(&find_list); i++) {
181 		wm = ARRAY_ITEM(&find_list, i).wl;
182 
183 		cdata = window_choose_data_create(TREE_OTHER, c, c->session);
184 		cdata->idx = wm->idx;
185 		cdata->wl = wm;
186 
187 		cdata->ft_template = xstrdup(template);
188 		cdata->pane_id = ARRAY_ITEM(&find_list, i).pane_id;
189 
190 		format_add(cdata->ft, "line", "%u", i);
191 		format_add(cdata->ft, "window_find_matches", "%s",
192 		    ARRAY_ITEM(&find_list, i).list_ctx);
193 		format_session(cdata->ft, s);
194 		format_winlink(cdata->ft, s, wm);
195 		format_window_pane(cdata->ft, wm->window->active);
196 
197 		window_choose_add(wl->window->active, cdata);
198 	}
199 
200 	window_choose_ready(wl->window->active, 0, cmd_find_window_callback);
201 
202 out:
203 	ARRAY_FREE(&find_list);
204 	return (CMD_RETURN_NORMAL);
205 }
206 
207 void
208 cmd_find_window_callback(struct window_choose_data *cdata)
209 {
210 	struct session		*s;
211 	struct window_pane	*wp;
212 
213 	if (cdata == NULL)
214 		return;
215 
216 	s = cdata->start_session;
217 	if (!session_alive(s))
218 		return;
219 
220 	wp = window_pane_at_index(cdata->wl->window, cdata->pane_id);
221 	if (wp != NULL && window_pane_visible(wp))
222 		window_set_active_pane(cdata->wl->window, wp);
223 
224 	if (session_select(s, cdata->idx) == 0) {
225 		server_redraw_session(s);
226 		recalculate_sizes();
227 	}
228 }
229