about summary refs log tree commit diff
path: root/search.c
blob: 8d5806736c38f2e5bf09a1e26d13349a47cefbd7 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
/*
 * calmwm - the calm window manager
 *
 * Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * $OpenBSD$
 */

#include <sys/param.h>
#include <sys/queue.h>

#include <assert.h>
#include <err.h>
#include <errno.h>
#include <fnmatch.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>

#include "calmwm.h"

static int	strsubmatch(char *, char *, int);

/*
 * Match: label, title, class.
 */

void
search_match_client(struct menu_q *menuq, struct menu_q *resultq, char *search)
{
	struct winname	*wn;
	struct menu	*mi, *tierp[4], *before = NULL;

	TAILQ_INIT(resultq);

	(void)memset(tierp, 0, sizeof(tierp));

	/*
	 * In order of rank:
	 *
	 *   1. Look through labels.
	 *   2. Look at title history, from present to past.
	 *   3. Look at window class name.
	 */

	TAILQ_FOREACH(mi, menuq, entry) {
		int tier = -1, t;
		struct client_ctx *cc = mi->ctx;

		/* First, try to match on labels. */
		if (cc->label != NULL && strsubmatch(search, cc->label, 0)) {
			cc->matchname = cc->label;
			tier = 0;
		}

		/* Then, on window names. */
		if (tier < 0) {
			TAILQ_FOREACH_REVERSE(wn, &cc->nameq, winname_q, entry)
				if (strsubmatch(search, wn->name, 0)) {
					cc->matchname = wn->name;
					tier = 2;
					break;
				}
		}

		/* Then if there is a match on the window class name. */
		if (tier < 0 && strsubmatch(search, cc->app_class, 0)) {
			cc->matchname = cc->app_class;
			tier = 3;
		}

		if (tier < 0)
			continue;

		/*
		 * De-rank a client one tier if it's the current
		 * window.  Furthermore, this is denoted by a "!" when
		 * printing the window name in the search menu.
		 */
		if (cc == client_current() && tier < nitems(tierp) - 1)
			tier++;

		/* Clients that are hidden get ranked one up. */
		if (cc->flags & CLIENT_HIDDEN && tier > 0)
			tier--;

		assert(tier < nitems(tierp));

		/*
		 * If you have a tierp, insert after it, and make it
		 * the new tierp.  If you don't have a tierp, find the
		 * first nonzero tierp above you, insert after it.
		 * Always make your current tierp the newly inserted
		 * entry.
		 */
		for (t = tier; t >= 0 && ((before = tierp[t]) == NULL); t--)
			;

		if (before == NULL)
			TAILQ_INSERT_HEAD(resultq, mi, resultentry);
		else
			TAILQ_INSERT_AFTER(resultq, before, mi, resultentry);

		tierp[tier] = mi;
	}
}

void
search_print_client(struct menu *mi, int list)
{
	struct client_ctx	*cc;
	char			 flag = ' ';

	cc = mi->ctx;

	if (cc == client_current())
		flag = '!';
	else if (cc->flags & CLIENT_HIDDEN)
		flag = '&';

	if (list)
		cc->matchname = cc->name;

	(void)snprintf(mi->print, sizeof(mi->print), "%c%s", flag,
	    cc->matchname);

	if (!list && cc->matchname != cc->name &&
	    strlen(mi->print) < sizeof(mi->print) - 1) {
		const char	*marker = "";
		char		 buf[MENU_MAXENTRY + 1];
		int		 diff;

		diff = sizeof(mi->print) - 1 - strlen(mi->print);

		/* One for the ':' */
		diff -= 1;

		if (strlen(cc->name) > diff) {
			marker = "..";
			diff -= 2;
		} else {
			diff = strlen(cc->name);
		}

		(void)strlcpy(buf, mi->print, sizeof(buf));
		(void)snprintf(mi->print, sizeof(mi->print),
		    "%s:%.*s%s", buf, diff, cc->name, marker);
	}
}

void
search_match_text(struct menu_q *menuq, struct menu_q *resultq, char *search)
{
	struct menu	*mi;

	TAILQ_INIT(resultq);

	TAILQ_FOREACH(mi, menuq, entry)
		if (strsubmatch(search, mi->text, 0))
			TAILQ_INSERT_TAIL(resultq, mi, resultentry);
}

void
search_match_exec(struct menu_q *menuq, struct menu_q *resultq, char *search)
{
	struct menu	*mi, *mj;

	TAILQ_INIT(resultq);

	TAILQ_FOREACH(mi, menuq, entry) {
		if (strsubmatch(search, mi->text, 1) == 0 &&
		    fnmatch(search, mi->text, 0) == FNM_NOMATCH)
				continue;
		for (mj = TAILQ_FIRST(resultq); mj != NULL;
		     mj = TAILQ_NEXT(mj, resultentry)) {
			if (strcasecmp(mi->text, mj->text) < 0) {
				TAILQ_INSERT_BEFORE(mj, mi, resultentry);
				break;
			}
		}
		if (mj == NULL)
			TAILQ_INSERT_TAIL(resultq, mi, resultentry);
	}
}

static int
strsubmatch(char *sub, char *str, int zeroidx)
{
	size_t	 len, sublen;
	u_int	 n, flen;

	if (sub == NULL || str == NULL)
		return (0);

	len = strlen(str);
	sublen = strlen(sub);

	if (sublen > len)
		return (0);

	if (!zeroidx)
		flen = len - sublen;
	else
		flen = 0;

	for (n = 0; n <= flen; n++)
		if (strncasecmp(sub, str + n, sublen) == 0)
			return (1);

	return (0);
}