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/* See LICENSE file for copyright and 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 isfloating;
} Rule;
typedef struct {
regex_t *propregex;
regex_t *tagregex;
} Regs;
TAGS
RULES
static Regs *regs = NULL;
static unsigned int nrules = 0;
static char prop[512];
static unsigned int
idxoftag(const char *tag) {
unsigned int i;
for(i = 0; i < ntags; i++)
if(tags[i] == tag)
return i;
return 0;
}
/* extern */
void
applyrules(Client *c) {
unsigned int i, j;
regmatch_t tmp;
Bool matched = False;
XClassHint ch = { 0 };
/* rule matching */
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->isfloating = rules[i].isfloating;
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] = seltags[i];
}
void
compileregs(void) {
unsigned int i;
regex_t *reg;
if(regs)
return;
nrules = sizeof rules / sizeof rules[0];
regs = emallocz(nrules * sizeof(Regs));
for(i = 0; i < nrules; i++) {
if(rules[i].prop) {
reg = emallocz(sizeof(regex_t));
if(regcomp(reg, rules[i].prop, REG_EXTENDED))
free(reg);
else
regs[i].propregex = reg;
}
if(rules[i].tags) {
reg = emallocz(sizeof(regex_t));
if(regcomp(reg, rules[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] && seltags[i])
return True;
return False;
}
void
tag(const char *arg) {
unsigned int i;
if(!sel)
return;
for(i = 0; i < ntags; i++)
sel->tags[i] = arg == NULL;
i = idxoftag(arg);
if(i >= 0 && i < ntags)
sel->tags[i] = True;
saveprops(sel);
arrange();
}
void
togglefloating(const char *arg) {
if(!sel || isfloating())
return;
sel->isfloating = !sel->isfloating;
if(sel->isfloating) {
resize(sel, sel->x, sel->y, sel->w, sel->h, True);
saveprops(sel);
}
arrange();
}
void
toggletag(const char *arg) {
unsigned int i, j;
if(!sel)
return;
i = idxoftag(arg);
sel->tags[i] = !sel->tags[i];
for(j = 0; j < ntags && !sel->tags[j]; j++);
if(j == ntags)
sel->tags[i] = True;
saveprops(sel);
arrange();
}
void
toggleview(const char *arg) {
unsigned int i, j;
i = idxoftag(arg);
seltags[i] = !seltags[i];
for(j = 0; j < ntags && !seltags[j]; j++);
if(j == ntags)
seltags[i] = True; /* cannot toggle last view */
savedwmprops();
arrange();
}
void
view(const char *arg) {
unsigned int i;
for(i = 0; i < ntags; i++)
seltags[i] = arg == NULL;
i = idxoftag(arg);
if(i >= 0 && i < ntags)
seltags[i] = True;
savedwmprops();
arrange();
}
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