xref: /netbsd-src/external/bsd/tmux/dist/cmd-find-window.c (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
1 /* $OpenBSD$ */
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 	TAILQ_ENTRY(cmd_find_window_data) entry;
63 };
64 TAILQ_HEAD(cmd_find_window_list, cmd_find_window_data);
65 
66 u_int	cmd_find_window_match_flags(struct args *);
67 void	cmd_find_window_match(struct cmd_find_window_list *, int,
68 	    struct winlink *, const char *, const char *);
69 
70 u_int
71 cmd_find_window_match_flags(struct args *args)
72 {
73 	u_int	match_flags = 0;
74 
75 	/* Turn on flags based on the options. */
76 	if (args_has(args, 'T'))
77 		match_flags |= CMD_FIND_WINDOW_BY_TITLE;
78 	if (args_has(args, 'C'))
79 		match_flags |= CMD_FIND_WINDOW_BY_CONTENT;
80 	if (args_has(args, 'N'))
81 		match_flags |= CMD_FIND_WINDOW_BY_NAME;
82 
83 	/* If none of the flags were set, default to matching anything. */
84 	if (match_flags == 0)
85 		match_flags = CMD_FIND_WINDOW_ALL;
86 
87 	return (match_flags);
88 }
89 
90 void
91 cmd_find_window_match(struct cmd_find_window_list *find_list,
92     int match_flags, struct winlink *wl, const char *str,
93     const char *searchstr)
94 {
95 	struct cmd_find_window_data	*find_data;
96 	struct window_pane		*wp;
97 	u_int				 i, line;
98 	char				*sres;
99 
100 	find_data = xcalloc(1, sizeof *find_data);
101 
102 	i = 0;
103 	TAILQ_FOREACH(wp, &wl->window->panes, entry) {
104 		i++;
105 
106 		if ((match_flags & CMD_FIND_WINDOW_BY_NAME) &&
107 		    fnmatch(searchstr, wl->window->name, 0) == 0) {
108 			find_data->list_ctx = xstrdup("");
109 			break;
110 		}
111 
112 		if ((match_flags & CMD_FIND_WINDOW_BY_TITLE) &&
113 		    fnmatch(searchstr, wp->base.title, 0) == 0) {
114 			xasprintf(&find_data->list_ctx,
115 			    "pane %u title: \"%s\"", i - 1, wp->base.title);
116 			break;
117 		}
118 
119 		if (match_flags & CMD_FIND_WINDOW_BY_CONTENT &&
120 		    (sres = window_pane_search(wp, str, &line)) != NULL) {
121 			xasprintf(&find_data->list_ctx,
122 			    "pane %u line %u: \"%s\"", i - 1, line + 1, sres);
123 			free(sres);
124 			break;
125 		}
126 	}
127 
128 	if (find_data->list_ctx != NULL) {
129 		find_data->wl = wl;
130 		find_data->pane_id = i - 1;
131 		TAILQ_INSERT_TAIL(find_list, find_data, entry);
132 	} else
133 		free(find_data);
134 }
135 
136 enum cmd_retval
137 cmd_find_window_exec(struct cmd *self, struct cmd_q *cmdq)
138 {
139 	struct args			*args = self->args;
140 	struct client			*c;
141 	struct window_choose_data	*cdata;
142 	struct session			*s;
143 	struct winlink			*wl, *wm;
144 	struct cmd_find_window_list	 find_list;
145 	struct cmd_find_window_data	*find_data;
146 	struct cmd_find_window_data	*find_data1;
147 	char				*str, *searchstr;
148 	const char			*template;
149 	u_int				 i, match_flags;
150 
151 	if ((c = cmd_find_client(cmdq, NULL, 1)) == NULL) {
152 		cmdq_error(cmdq, "no client available");
153 		return (CMD_RETURN_ERROR);
154 	}
155 	s = c->session;
156 
157 	if ((wl = cmd_find_window(cmdq, args_get(args, 't'), NULL)) == NULL)
158 		return (CMD_RETURN_ERROR);
159 
160 	if ((template = args_get(args, 'F')) == NULL)
161 		template = FIND_WINDOW_TEMPLATE;
162 
163 	match_flags = cmd_find_window_match_flags(args);
164 	str = args->argv[0];
165 
166 	TAILQ_INIT(&find_list);
167 
168 	xasprintf(&searchstr, "*%s*", str);
169 	RB_FOREACH(wm, winlinks, &s->windows)
170 	    cmd_find_window_match(&find_list, match_flags, wm, str, searchstr);
171 	free(searchstr);
172 
173 	if (TAILQ_EMPTY(&find_list)) {
174 		cmdq_error(cmdq, "no windows matching: %s", str);
175 		return (CMD_RETURN_ERROR);
176 	}
177 
178 	if (TAILQ_NEXT(TAILQ_FIRST(&find_list), entry) == NULL) {
179 		if (session_select(s, TAILQ_FIRST(&find_list)->wl->idx) == 0)
180 			server_redraw_session(s);
181 		recalculate_sizes();
182 		goto out;
183 	}
184 
185 	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
186 		goto out;
187 
188 	i = 0;
189 	TAILQ_FOREACH(find_data, &find_list, entry) {
190 		cdata = window_choose_data_create(TREE_OTHER, c, c->session);
191 		cdata->idx = find_data->wl->idx;
192 		cdata->wl = find_data->wl;
193 
194 		cdata->ft_template = xstrdup(template);
195 		cdata->pane_id = find_data->pane_id;
196 
197 		format_add(cdata->ft, "line", "%u", i);
198 		format_add(cdata->ft, "window_find_matches", "%s",
199 		    find_data->list_ctx);
200 		format_defaults(cdata->ft, NULL, s, find_data->wl, NULL);
201 
202 		window_choose_add(wl->window->active, cdata);
203 
204 		i++;
205 	}
206 
207 	window_choose_ready(wl->window->active, 0, cmd_find_window_callback);
208 
209 out:
210 	TAILQ_FOREACH_SAFE(find_data, &find_list, entry, find_data1) {
211 		free(find_data->list_ctx);
212 		TAILQ_REMOVE(&find_list, find_data, entry);
213 		free(find_data);
214 	}
215 	return (CMD_RETURN_NORMAL);
216 }
217 
218 void
219 cmd_find_window_callback(struct window_choose_data *cdata)
220 {
221 	struct session		*s;
222 	struct window_pane	*wp;
223 
224 	if (cdata == NULL)
225 		return;
226 
227 	s = cdata->start_session;
228 	if (!session_alive(s))
229 		return;
230 
231 	wp = window_pane_at_index(cdata->wl->window, cdata->pane_id);
232 	if (wp != NULL && window_pane_visible(wp))
233 		window_set_active_pane(cdata->wl->window, wp);
234 
235 	if (session_select(s, cdata->idx) == 0) {
236 		server_redraw_session(s);
237 		recalculate_sizes();
238 	}
239 }
240