tag.c
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/* (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 <string.h>
#include <sys/types.h>
#include <X11/Xutil.h>
typedef struct {
const char *clpattern;
const char *tpattern;
Bool isfloat;
} Rule;
typedef struct {
regex_t *clregex;
regex_t *tregex;
} RReg;
/* static */
TAGS
RULES
static RReg *rreg = NULL;
static unsigned int len = 0;
/* extern */
Client *
getnext(Client *c) {
for(; c && !isvisible(c); c = c->next);
return c;
}
Client *
getprev(Client *c) {
for(; c && !isvisible(c); c = c->prev);
return c;
}
void
initrregs(void) {
unsigned int i;
regex_t *reg;
if(rreg)
return;
len = sizeof rule / sizeof rule[0];
rreg = emallocz(len * sizeof(RReg));
for(i = 0; i < len; i++) {
if(rule[i].clpattern) {
reg = emallocz(sizeof(regex_t));
if(regcomp(reg, rule[i].clpattern, REG_EXTENDED))
free(reg);
else
rreg[i].clregex = reg;
}
if(rule[i].tpattern) {
reg = emallocz(sizeof(regex_t));
if(regcomp(reg, rule[i].tpattern, REG_EXTENDED))
free(reg);
else
rreg[i].tregex = reg;
}
}
}
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 < len; i++)
if(rreg[i].clregex && !regexec(rreg[i].clregex, prop, 1, &tmp, 0)) {
c->isfloat = rule[i].isfloat;
for(j = 0; rreg[i].tregex && j < ntags; j++) {
if(!regexec(rreg[i].tregex, 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;
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;
arrange();
}