xref: /minix/external/bsd/tmux/dist/cmd-find-window.c (revision 366d18b2)
1 /* Id */
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 	cmd_find_window_exec
52 };
53 
54 struct cmd_find_window_data {
55 	struct winlink	*wl;
56 	char		*list_ctx;
57 	u_int		 pane_id;
58 };
59 ARRAY_DECL(cmd_find_window_data_list, struct cmd_find_window_data);
60 
61 u_int	cmd_find_window_match_flags(struct args *);
62 void	cmd_find_window_match(struct cmd_find_window_data_list *, int,
63 	    struct winlink *, const char *, const char *);
64 
65 u_int
66 cmd_find_window_match_flags(struct args *args)
67 {
68 	u_int	match_flags = 0;
69 
70 	/* Turn on flags based on the options. */
71 	if (args_has(args, 'T'))
72 		match_flags |= CMD_FIND_WINDOW_BY_TITLE;
73 	if (args_has(args, 'C'))
74 		match_flags |= CMD_FIND_WINDOW_BY_CONTENT;
75 	if (args_has(args, 'N'))
76 		match_flags |= CMD_FIND_WINDOW_BY_NAME;
77 
78 	/* If none of the flags were set, default to matching anything. */
79 	if (match_flags == 0)
80 		match_flags = CMD_FIND_WINDOW_ALL;
81 
82 	return (match_flags);
83 }
84 
85 void
86 cmd_find_window_match(struct cmd_find_window_data_list *find_list,
87     int match_flags, struct winlink *wl, const char *str, const char *searchstr)
88 {
89 	struct cmd_find_window_data	 find_data;
90 	struct window_pane		*wp;
91 	u_int				 i, line;
92 	char				*sres;
93 
94 	memset(&find_data, 0, sizeof find_data);
95 
96 	i = 0;
97 	TAILQ_FOREACH(wp, &wl->window->panes, entry) {
98 		i++;
99 
100 		if ((match_flags & CMD_FIND_WINDOW_BY_NAME) &&
101 		    fnmatch(searchstr, wl->window->name, 0) == 0) {
102 			find_data.list_ctx = xstrdup("");
103 			break;
104 		}
105 
106 		if ((match_flags & CMD_FIND_WINDOW_BY_TITLE) &&
107 		    fnmatch(searchstr, wp->base.title, 0) == 0) {
108 			xasprintf(&find_data.list_ctx,
109 			    "pane %u title: \"%s\"", i - 1, wp->base.title);
110 			break;
111 		}
112 
113 		if (match_flags & CMD_FIND_WINDOW_BY_CONTENT &&
114 		    (sres = window_pane_search(wp, str, &line)) != NULL) {
115 			xasprintf(&find_data.list_ctx,
116 			    "pane %u line %u: \"%s\"", i - 1, line + 1, sres);
117 			free(sres);
118 			break;
119 		}
120 	}
121 	if (find_data.list_ctx != NULL) {
122 		find_data.wl = wl;
123 		find_data.pane_id = i - 1;
124 		ARRAY_ADD(find_list, find_data);
125 	}
126 }
127 
128 enum cmd_retval
129 cmd_find_window_exec(struct cmd *self, struct cmd_q *cmdq)
130 {
131 	struct args			*args = self->args;
132 	struct client			*c;
133 	struct window_choose_data	*cdata;
134 	struct session			*s;
135 	struct winlink			*wl, *wm;
136 	struct cmd_find_window_data_list find_list;
137 	char				*str, *searchstr;
138 	const char			*template;
139 	u_int				 i, match_flags;
140 
141 	if ((c = cmd_current_client(cmdq)) == NULL) {
142 		cmdq_error(cmdq, "no client available");
143 		return (CMD_RETURN_ERROR);
144 	}
145 	s = c->session;
146 
147 	if ((wl = cmd_find_window(cmdq, args_get(args, 't'), NULL)) == NULL)
148 		return (CMD_RETURN_ERROR);
149 
150 	if ((template = args_get(args, 'F')) == NULL)
151 		template = FIND_WINDOW_TEMPLATE;
152 
153 	match_flags = cmd_find_window_match_flags(args);
154 	str = args->argv[0];
155 
156 	ARRAY_INIT(&find_list);
157 
158 	xasprintf(&searchstr, "*%s*", str);
159 	RB_FOREACH(wm, winlinks, &s->windows)
160 	    cmd_find_window_match (&find_list, match_flags, wm, str, searchstr);
161 	free(searchstr);
162 
163 	if (ARRAY_LENGTH(&find_list) == 0) {
164 		cmdq_error(cmdq, "no windows matching: %s", str);
165 		ARRAY_FREE(&find_list);
166 		return (CMD_RETURN_ERROR);
167 	}
168 
169 	if (ARRAY_LENGTH(&find_list) == 1) {
170 		if (session_select(s, ARRAY_FIRST(&find_list).wl->idx) == 0)
171 			server_redraw_session(s);
172 		recalculate_sizes();
173 		goto out;
174 	}
175 
176 	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
177 		goto out;
178 
179 	for (i = 0; i < ARRAY_LENGTH(&find_list); i++) {
180 		wm = ARRAY_ITEM(&find_list, i).wl;
181 
182 		cdata = window_choose_data_create(TREE_OTHER, c, c->session);
183 		cdata->idx = wm->idx;
184 		cdata->wl = wm;
185 
186 		cdata->ft_template = xstrdup(template);
187 		cdata->pane_id = ARRAY_ITEM(&find_list, i).pane_id;
188 
189 		format_add(cdata->ft, "line", "%u", i);
190 		format_add(cdata->ft, "window_find_matches", "%s",
191 		    ARRAY_ITEM(&find_list, i).list_ctx);
192 		format_session(cdata->ft, s);
193 		format_winlink(cdata->ft, s, wm);
194 		format_window_pane(cdata->ft, wm->window->active);
195 
196 		window_choose_add(wl->window->active, cdata);
197 	}
198 
199 	window_choose_ready(wl->window->active, 0, cmd_find_window_callback);
200 
201 out:
202 	ARRAY_FREE(&find_list);
203 	return (CMD_RETURN_NORMAL);
204 }
205 
206 void
207 cmd_find_window_callback(struct window_choose_data *cdata)
208 {
209 	struct session		*s;
210 	struct window_pane	*wp;
211 
212 	if (cdata == NULL)
213 		return;
214 
215 	s = cdata->start_session;
216 	if (!session_alive(s))
217 		return;
218 
219 	wp = window_pane_at_index(cdata->wl->window, cdata->pane_id);
220 	if (wp != NULL && window_pane_visible(wp))
221 		window_set_active_pane(cdata->wl->window, wp);
222 
223 	if (session_select(s, cdata->idx) == 0) {
224 		server_redraw_session(s);
225 		recalculate_sizes();
226 	}
227 }
228