garbeam@75: /*
garbeam@75:  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@75:  * See LICENSE file for license details.
garbeam@75:  */
garbeam@76: #include "dwm.h"
arg@114: #include <regex.h>
arg@114: #include <stdio.h>
arg@191: #include <stdlib.h>
garbeam@75: #include <string.h>
arg@114: #include <sys/types.h>
garbeam@75: #include <X11/Xutil.h>
garbeam@75: 
garbeam@76: 
arg@114: typedef struct {
arg@191: 	const char *clpattern;
arg@191: 	const char *tpattern;
arg@114: 	Bool isfloat;
arg@114: } Rule;
arg@114: 
arg@191: typedef struct {
arg@191: 	regex_t *clregex;
arg@191: 	regex_t *tregex;
arg@191: } RReg;
arg@191: 
arg@191: /* static */
arg@191: 
arg@146: TAGS
arg@146: RULES
garbeam@84: 
arg@191: static RReg *rreg = NULL;
arg@191: static unsigned int len = 0;
arg@191: 
arg@156: void (*arrange)(Arg *) = DEFMODE;
arg@125: 
arg@125: /* extern */
arg@125: 
garbeam@76: void
garbeam@76: appendtag(Arg *arg)
garbeam@75: {
garbeam@76: 	if(!sel)
garbeam@76: 		return;
garbeam@75: 
arg@173: 	sel->tags[arg->i] = True;
garbeam@75: 	arrange(NULL);
garbeam@75: }
garbeam@75: 
garbeam@75: void
garbeam@75: dofloat(Arg *arg)
garbeam@75: {
garbeam@75: 	Client *c;
garbeam@75: 
garbeam@75: 	for(c = clients; c; c = c->next) {
arg@124: 		c->ismax = False;
arg@261: 		if(isvisible(c)) {
arg@99: 			resize(c, True, TopLeft);
garbeam@95: 		}
garbeam@75: 		else
garbeam@75: 			ban(c);
garbeam@75: 	}
arg@194: 	if((sel = getnext(clients))) {
arg@194: 		focus(sel);
arg@270: 		restack();
garbeam@75: 	}
arg@194: 	else
arg@194: 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
garbeam@75: }
garbeam@75: 
garbeam@75: void
garbeam@75: dotile(Arg *arg)
garbeam@75: {
arg@270: 	int h, i, n, w;
garbeam@75: 	Client *c;
garbeam@75: 
garbeam@75: 	w = sw - mw;
garbeam@75: 	for(n = 0, c = clients; c; c = c->next)
arg@261: 		if(isvisible(c) && !c->isfloat)
garbeam@75: 			n++;
garbeam@75: 
garbeam@75: 	if(n > 1)
garbeam@75: 		h = (sh - bh) / (n - 1);
garbeam@75: 	else
garbeam@75: 		h = sh - bh;
garbeam@75: 
garbeam@75: 	for(i = 0, c = clients; c; c = c->next) {
arg@124: 		c->ismax = False;
arg@261: 		if(isvisible(c)) {
garbeam@80: 			if(c->isfloat) {
arg@99: 				resize(c, True, TopLeft);
garbeam@75: 				continue;
garbeam@75: 			}
garbeam@75: 			if(n == 1) {
arg@115: 				c->x = sx;
arg@115: 				c->y = sy + bh;
arg@164: 				c->w = sw - 2;
arg@164: 				c->h = sh - 2 - bh;
garbeam@75: 			}
garbeam@75: 			else if(i == 0) {
arg@115: 				c->x = sx;
arg@115: 				c->y = sy + bh;
arg@164: 				c->w = mw - 2;
arg@164: 				c->h = sh - 2 - bh;
garbeam@75: 			}
arg@104: 			else if(h > bh) {
arg@115: 				c->x = sx + mw;
arg@115: 				c->y = sy + (i - 1) * h + bh;
arg@164: 				c->w = w - 2;
arg@240: 				if(i + 1 == n)
arg@240: 					c->h = sh - c->y - 2;
arg@240: 				else
arg@240: 					c->h = h - 2;
garbeam@75: 			}
arg@104: 			else { /* fallback if h < bh */
arg@115: 				c->x = sx + mw;
arg@115: 				c->y = sy + bh;
arg@164: 				c->w = w - 2;
arg@164: 				c->h = sh - 2 - bh;
arg@104: 			}
arg@99: 			resize(c, False, TopLeft);
garbeam@75: 			i++;
garbeam@75: 		}
garbeam@75: 		else
garbeam@75: 			ban(c);
garbeam@75: 	}
arg@270: 	if((sel = getnext(clients)))
arg@194: 		focus(sel);
arg@194: 	else
arg@194: 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
arg@270: 	restack();
garbeam@75: }
garbeam@75: 
garbeam@76: Client *
arg@142: getnext(Client *c)
garbeam@75: {
arg@261: 	for(; c && !isvisible(c); c = c->next);
garbeam@76: 	return c;
garbeam@75: }
garbeam@75: 
arg@127: Client *
arg@127: getprev(Client *c)
arg@127: {
arg@261: 	for(; c && !isvisible(c); c = c->prev);
arg@127: 	return c;
arg@127: }
arg@127: 
garbeam@75: void
arg@191: initrregs()
arg@191: {
arg@191: 	unsigned int i;
arg@191: 	regex_t *reg;
arg@191: 
arg@191: 	if(rreg)
arg@191: 		return;
arg@191: 	len = sizeof(rule) / sizeof(rule[0]);
arg@191: 	rreg = emallocz(len * sizeof(RReg));
arg@191: 
arg@191: 	for(i = 0; i < len; i++) {
arg@191: 		if(rule[i].clpattern) {
arg@191: 			reg = emallocz(sizeof(regex_t));
arg@191: 			if(regcomp(reg, rule[i].clpattern, 0))
arg@191: 				free(reg);
arg@191: 			else
arg@191: 				rreg[i].clregex = reg;
arg@191: 		}
arg@191: 		if(rule[i].tpattern) {
arg@191: 			reg = emallocz(sizeof(regex_t));
arg@191: 			if(regcomp(reg, rule[i].tpattern, 0))
arg@191: 				free(reg);
arg@191: 			else
arg@191: 				rreg[i].tregex = reg;
arg@191: 		}
arg@191: 	}
arg@191: }
arg@191: 
arg@261: Bool
arg@261: isvisible(Client *c)
arg@261: {
arg@261: 	unsigned int i;
arg@261: 
arg@261: 	for(i = 0; i < ntags; i++)
arg@262: 		if(c->tags[i] && seltag[i])
arg@261: 			return True;
arg@261: 	return False;
arg@261: }
arg@261: 
arg@191: void
garbeam@75: replacetag(Arg *arg)
garbeam@75: {
garbeam@75: 	int i;
arg@123: 
garbeam@75: 	if(!sel)
garbeam@75: 		return;
garbeam@75: 
arg@178: 	for(i = 0; i < ntags; i++)
arg@173: 		sel->tags[i] = False;
garbeam@75: 	appendtag(arg);
garbeam@75: }
garbeam@75: 
garbeam@76: void
arg@270: restack()
arg@270: {
arg@270: 	static unsigned int nwins = 0;
arg@270: 	static Window *wins = NULL;
arg@270: 	unsigned int f, fi, m, mi, n;
arg@270: 	Client *c;
arg@270: 	XEvent ev;
arg@270: 
arg@270: 	for(f = 0, m = 0, c = clients; c; c = c->next)
arg@270: 		if(isvisible(c)) {
arg@270: 			if(c->isfloat || arrange == dofloat)
arg@270: 				f++;
arg@270: 			else
arg@270: 				m++;
arg@270: 		}
arg@270: 
arg@270: 	n = 2 * (f + m);
arg@270: 	if(nwins < n) {
arg@270: 		nwins = n;
arg@270: 		wins = erealloc(wins, nwins * sizeof(Window));
arg@270: 	}
arg@270: 
arg@270: 	fi = 0;
arg@270: 	mi = 2 * f;
arg@270: 	if(sel->isfloat || arrange == dofloat) {
arg@270: 		wins[fi++] = sel->title;
arg@270: 		wins[fi++] = sel->win;
arg@270: 	}
arg@270: 	else {
arg@270: 		wins[mi++] = sel->title;
arg@270: 		wins[mi++] = sel->win;
arg@270: 	}
arg@270: 	for(c = clients; c; c = c->next)
arg@270: 		if(isvisible(c) && c != sel) {
arg@270: 			if(c->isfloat || arrange == dofloat) {
arg@270: 				wins[fi++] = c->title;
arg@270: 				wins[fi++] = c->win;
arg@270: 			}
arg@270: 			else {
arg@270: 				wins[mi++] = c->title;
arg@270: 				wins[mi++] = c->win;
arg@270: 			}
arg@270: 		}
arg@270: 	XRestackWindows(dpy, wins, n);
arg@270: 	drawall();
arg@270: 	XSync(dpy, False);
arg@270: 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
arg@270: }
arg@270: 
arg@270: void
garbeam@76: settags(Client *c)
garbeam@76: {
arg@114: 	char classinst[256];
arg@191: 	unsigned int i, j;
arg@114: 	regmatch_t tmp;
garbeam@76: 	Bool matched = False;
arg@114: 	XClassHint ch;
garbeam@76: 
garbeam@76: 	if(XGetClassHint(dpy, c->win, &ch)) {
arg@114: 		snprintf(classinst, sizeof(classinst), "%s:%s",
arg@114: 				ch.res_class ? ch.res_class : "",
arg@114: 				ch.res_name ? ch.res_name : "");
arg@191: 		for(i = 0; !matched && i < len; i++)
arg@191: 			if(rreg[i].clregex && !regexec(rreg[i].clregex, classinst, 1, &tmp, 0)) {
arg@191: 				c->isfloat = rule[i].isfloat;
arg@191: 				for(j = 0; rreg[i].tregex && j < ntags; j++) {
arg@191: 					if(!regexec(rreg[i].tregex, tags[j], 1, &tmp, 0)) {
arg@191: 						matched = True;
arg@191: 						c->tags[j] = True;
arg@191: 					}
garbeam@76: 				}
arg@114: 			}
garbeam@76: 		if(ch.res_class)
garbeam@76: 			XFree(ch.res_class);
garbeam@76: 		if(ch.res_name)
garbeam@76: 			XFree(ch.res_name);
garbeam@76: 	}
garbeam@76: 	if(!matched)
arg@261: 		for(i = 0; i < ntags; i++)
arg@262: 			c->tags[i] = seltag[i];
garbeam@76: }
garbeam@76: 
garbeam@76: void
arg@124: togglemode(Arg *arg)
arg@124: {
arg@124: 	arrange = arrange == dofloat ? dotile : dofloat;
arg@124: 	arrange(NULL);
arg@124: }
arg@124: 
arg@124: void
garbeam@76: view(Arg *arg)
garbeam@76: {
arg@261: 	unsigned int i;
arg@261: 
arg@261: 	for(i = 0; i < ntags; i++)
arg@262: 		seltag[i] = False;
arg@262: 	seltag[arg->i] = True;
arg@262: 	arrange(NULL);
arg@262: }
arg@262: 
arg@262: void
arg@263: toggleview(Arg *arg)
arg@262: {
arg@262: 	unsigned int i;
arg@262: 
arg@262: 	seltag[arg->i] = !seltag[arg->i];
arg@262: 	for(i = 0; !seltag[i] && i < ntags; i++);
arg@262: 	if(i == ntags)
arg@262: 		seltag[arg->i] = True; /* cannot toggle last view */
garbeam@76: 	arrange(NULL);
garbeam@76: }