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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 <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();
}






 

generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-07-27 13:59:30 +0000