tag.c
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
/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include "dwm.h"
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <X11/Xutil.h>
/* static */
typedef struct {
const char *prop;
const char *tags;
Bool isversatile;
} Rule;
typedef struct {
regex_t *propregex;
regex_t *tagregex;
} Regs;
TAGS
RULES
static Regs *regs = NULL;
static unsigned int nrules = 0;
/* extern */
void
compileregs(void) {
unsigned int i;
regex_t *reg;
if(regs)
return;
nrules = sizeof rule / sizeof rule[0];
regs = emallocz(nrules * sizeof(Regs));
for(i = 0; i < nrules; i++) {
if(rule[i].prop) {
reg = emallocz(sizeof(regex_t));
if(regcomp(reg, rule[i].prop, REG_EXTENDED))
free(reg);
else
regs[i].propregex = reg;
}
if(rule[i].tags) {
reg = emallocz(sizeof(regex_t));
if(regcomp(reg, rule[i].tags, REG_EXTENDED))
free(reg);
else
regs[i].tagregex = reg;
}
}
}
Bool
isvisible(Client *c) {
unsigned int i;
for(i = 0; i < ntags; i++)
if(c->tags[i] && seltag[i])
return True;
return False;
}
void
settags(Client *c, Client *trans) {
char prop[512];
unsigned int i, j;
regmatch_t tmp;
Bool matched = trans != NULL;
XClassHint ch = { 0 };
if(matched)
for(i = 0; i < ntags; i++)
c->tags[i] = trans->tags[i];
else {
XGetClassHint(dpy, c->win, &ch);
snprintf(prop, sizeof prop, "%s:%s:%s",
ch.res_class ? ch.res_class : "",
ch.res_name ? ch.res_name : "", c->name);
for(i = 0; i < nrules; i++)
if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0)) {
c->isversatile = rule[i].isversatile;
for(j = 0; regs[i].tagregex && j < ntags; j++) {
if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
matched = True;
c->tags[j] = True;
}
}
}
if(ch.res_class)
XFree(ch.res_class);
if(ch.res_name)
XFree(ch.res_name);
}
if(!matched)
for(i = 0; i < ntags; i++)
c->tags[i] = seltag[i];
}
void
tag(Arg arg) {
unsigned int i;
if(!sel)
return;
for(i = 0; i < ntags; i++)
sel->tags[i] = (arg.i == -1) ? True : False;
if(arg.i >= 0 && arg.i < ntags)
sel->tags[arg.i] = True;
lt->arrange();
}
void
toggletag(Arg arg) {
unsigned int i;
if(!sel)
return;
sel->tags[arg.i] = !sel->tags[arg.i];
for(i = 0; i < ntags && !sel->tags[i]; i++);
if(i == ntags)
sel->tags[arg.i] = True;
lt->arrange();
}
void
toggleview(Arg arg) {
unsigned int i;
seltag[arg.i] = !seltag[arg.i];
for(i = 0; i < ntags && !seltag[i]; i++);
if(i == ntags)
seltag[arg.i] = True; /* cannot toggle last view */
lt->arrange();
}
void
view(Arg arg) {
unsigned int i;
for(i = 0; i < ntags; i++)
seltag[i] = (arg.i == -1) ? True : False;
if(arg.i >= 0 && arg.i < ntags)
seltag[arg.i] = True;
lt->arrange();
}