xref: /openbsd/usr.bin/tmux/cmd-find-window.c (revision 264ca280)
1 /* $OpenBSD: cmd-find-window.c,v 1.37 2016/01/19 15:59:12 nicm Exp $ */
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 
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 	.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 
63 struct 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 };
69 TAILQ_HEAD(cmd_find_window_list, cmd_find_window_data);
70 
71 u_int	cmd_find_window_match_flags(struct args *);
72 void	cmd_find_window_match(struct cmd_find_window_list *, int,
73 	    struct winlink *, const char *, const char *);
74 
75 u_int
76 cmd_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 
95 void
96 cmd_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 
141 enum cmd_retval
142 cmd_find_window_exec(struct cmd *self, struct cmd_q *cmdq)
143 {
144 	struct args			*args = self->args;
145 	struct client			*c = cmdq->state.c;
146 	struct window_choose_data	*cdata;
147 	struct session			*s = cmdq->state.tflag.s;
148 	struct winlink			*wl = cmdq->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(cmdq, "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(cmdq, "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 
210 out:
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 
219 void
220 cmd_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