paulo@0: /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
paulo@0:  * See LICENSE file for license details.
paulo@0:  */
paulo@0: #include "dwm.h"
paulo@0: #include <regex.h>
paulo@0: #include <stdio.h>
paulo@0: #include <stdlib.h>
paulo@0: #include <X11/Xutil.h>
paulo@0: 
paulo@0: /* static */
paulo@0: 
paulo@0: typedef struct {
paulo@0: 	const char *prop;
paulo@0: 	const char *tags;
paulo@0: 	Bool isversatile;
paulo@0: } Rule;
paulo@0: 
paulo@0: typedef struct {
paulo@0: 	regex_t *propregex;
paulo@0: 	regex_t *tagregex;
paulo@0: } Regs;
paulo@0: 
paulo@0: TAGS
paulo@0: RULES
paulo@0: 
paulo@0: static Regs *regs = NULL;
paulo@0: static unsigned int nrules = 0;
paulo@0: static unsigned int lastview = 0;
paulo@0: 
paulo@0: /* extern */
paulo@0: 
paulo@0: void
paulo@0: compileregs(void) {
paulo@0: 	unsigned int i;
paulo@0: 	regex_t *reg;
paulo@0: 
paulo@0: 	if(regs)
paulo@0: 		return;
paulo@0: 	nrules = sizeof rule / sizeof rule[0];
paulo@0: 	regs = emallocz(nrules * sizeof(Regs));
paulo@0: 	for(i = 0; i < nrules; i++) {
paulo@0: 		if(rule[i].prop) {
paulo@0: 			reg = emallocz(sizeof(regex_t));
paulo@0: 			if(regcomp(reg, rule[i].prop, REG_EXTENDED))
paulo@0: 				free(reg);
paulo@0: 			else
paulo@0: 				regs[i].propregex = reg;
paulo@0: 		}
paulo@0: 		if(rule[i].tags) {
paulo@0: 			reg = emallocz(sizeof(regex_t));
paulo@0: 			if(regcomp(reg, rule[i].tags, REG_EXTENDED))
paulo@0: 				free(reg);
paulo@0: 			else
paulo@0: 				regs[i].tagregex = reg;
paulo@0: 		}
paulo@0: 	}
paulo@0: }
paulo@0: 
paulo@0: Bool
paulo@0: isvisible(Client *c) {
paulo@0: 	unsigned int i;
paulo@0: 
paulo@0: 	for(i = 0; i < ntags; i++)
paulo@0: 		if(c->tags[i] && seltag[i])
paulo@0: 			return True;
paulo@0: 	return False;
paulo@0: }
paulo@0: 
paulo@0: void
paulo@0: settags(Client *c, Client *trans) {
paulo@0: 	char prop[512];
paulo@0: 	unsigned int i, j;
paulo@0: 	regmatch_t tmp;
paulo@0: 	Bool matched = trans != NULL;
paulo@0: 	XClassHint ch = { 0 };
paulo@0: 
paulo@0: 	if(matched)
paulo@0: 		for(i = 0; i < ntags; i++)
paulo@0: 			c->tags[i] = trans->tags[i];
paulo@0: 	else {
paulo@0: 		XGetClassHint(dpy, c->win, &ch);
paulo@0: 		snprintf(prop, sizeof prop, "%s:%s:%s",
paulo@0: 				ch.res_class ? ch.res_class : "",
paulo@0: 				ch.res_name ? ch.res_name : "", c->name);
paulo@0: 		for(i = 0; i < nrules; i++)
paulo@0: 			if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0)) {
paulo@0: 				c->isversatile = rule[i].isversatile;
paulo@0: 				for(j = 0; regs[i].tagregex && j < ntags; j++) {
paulo@0: 					if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
paulo@0: 						matched = True;
paulo@0: 						c->tags[j] = True;
paulo@0: 					}
paulo@0: 				}
paulo@0: 			}
paulo@0: 		if(ch.res_class)
paulo@0: 			XFree(ch.res_class);
paulo@0: 		if(ch.res_name)
paulo@0: 			XFree(ch.res_name);
paulo@0: 	}
paulo@0: 	if(!matched)
paulo@0: 		for(i = 0; i < ntags; i++)
paulo@0: 			c->tags[i] = seltag[i];
paulo@0: }
paulo@0: 
paulo@0: void
paulo@0: tag(Arg *arg) {
paulo@0: 	unsigned int i;
paulo@0: 
paulo@0: 	if(!sel)
paulo@0: 		return;
paulo@0: 	for(i = 0; i < ntags; i++)
paulo@0: 		sel->tags[i] = (arg->i == -1) ? True : False;
paulo@0: 	if(arg->i >= 0 && arg->i < ntags)
paulo@0: 		sel->tags[arg->i] = True;
paulo@0: 	lt->arrange();
paulo@0: }
paulo@0: 
paulo@0: void
paulo@0: toggletag(Arg *arg) {
paulo@0: 	unsigned int i;
paulo@0: 
paulo@0: 	if(!sel)
paulo@0: 		return;
paulo@0: 	sel->tags[arg->i] = !sel->tags[arg->i];
paulo@0: 	for(i = 0; i < ntags && !sel->tags[i]; i++);
paulo@0: 	if(i == ntags)
paulo@0: 		sel->tags[arg->i] = True;
paulo@0: 	lt->arrange();
paulo@0: }
paulo@0: 
paulo@0: void
paulo@0: toggleview(Arg *arg) {
paulo@0: 	unsigned int i;
paulo@0: 
paulo@0: 	seltag[arg->i] = !seltag[arg->i];
paulo@0: 	for(i = 0; i < ntags && !seltag[i]; i++);
paulo@0: 	if(i == ntags)
paulo@0: 		seltag[arg->i] = True; /* cannot toggle last view */
paulo@0: 	lt->arrange();
paulo@0: }
paulo@0: 
paulo@0: void
paulo@0: view(Arg *arg) {
paulo@0: 	unsigned int i;
paulo@0: 	Arg a;
paulo@0: 	
paulo@0: 	a.i = 0;
paulo@0: 	setlayout(&a); /* back to default layout */
paulo@0: 
paulo@0: 	for(i = 0; i < ntags; i++) {
paulo@0: 		if (seltag[i] == True)
paulo@0: 			lastview = i;
paulo@0: 		seltag[i] = (arg->i == -1) ? True : False;
paulo@0: 	}
paulo@0: 	if(arg->i >= 0 && arg->i < ntags)
paulo@0: 		seltag[arg->i] = True;
paulo@0: 	lt->arrange();
paulo@0: }
paulo@0: 
paulo@0: void
paulo@0: last_view(Arg *arg) {
paulo@0: 	Arg a;
paulo@0: 
paulo@0: 	a.i = lastview;
paulo@0: 	view(&a);
paulo@0: }
paulo@1: 
paulo@1: void
paulo@1: next_view(Arg *arg) {
paulo@1: 	int i;
paulo@1: 	Arg a;
paulo@1: 	
paulo@1: 	a.i = 0;
paulo@1: 	setlayout(&a); /* back to default layout */
paulo@1: 
paulo@1: 	for(i = 0; i < ntags; i++) {
paulo@1: 		if (seltag[i] == True) {
paulo@1: 			seltag[i] = False;
paulo@1: 			seltag[(i + arg->i) >= 0 ? (i + arg->i) % ntags : ntags - 1] = True;
paulo@1: 			break;
paulo@1: 		}
paulo@1: 	}
paulo@1: 	lt->arrange();
paulo@1: }
paulo@8: 
paulo@8: void
paulo@8: tag_n_view(Arg *arg) {
paulo@8: 	tag(arg);
paulo@8: 	view(arg);
paulo@8: }