arg@644: /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
arg@327:  * See LICENSE file for license details.
arg@327:  */
arg@327: #include "dwm.h"
arg@674: #include <stdio.h>
arg@327: 
arg@380: /* static */
arg@380: 
arg@382: static Client *
arg@480: nexttiled(Client *c) {
arg@480: 	for(c = getnext(c); c && c->isfloat; c = getnext(c->next));
arg@480: 	return c;
arg@480: }
arg@480: 
arg@442: static void
arg@532: togglemax(Client *c) {
arg@481: 	XEvent ev;
arg@548: 		
arg@549: 	if(c->isfixed)
arg@548: 		return;
arg@532: 
arg@480: 	if((c->ismax = !c->ismax)) {
arg@565: 		c->rx = c->x; c->x = wax;
arg@565: 		c->ry = c->y; c->y = way;
arg@565: 		c->rw = c->w; c->w = waw - 2 * BORDERPX;
arg@565: 		c->rh = c->h; c->h = wah - 2 * BORDERPX;
arg@480: 	}
arg@480: 	else {
arg@480: 		c->x = c->rx;
arg@480: 		c->y = c->ry;
arg@481: 		c->w = c->rw;
arg@481: 		c->h = c->rh;
arg@480: 	}
arg@708: 	resize(c, True);
arg@480: 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
arg@430: }
arg@430: 
arg@327: /* extern */
arg@327: 
arg@533: void (*arrange)(void) = DEFMODE;
arg@327: 
arg@327: void
arg@461: detach(Client *c) {
arg@378: 	if(c->prev)
arg@378: 		c->prev->next = c->next;
arg@378: 	if(c->next)
arg@378: 		c->next->prev = c->prev;
arg@378: 	if(c == clients)
arg@378: 		clients = c->next;
arg@378: 	c->next = c->prev = NULL;
arg@378: }
arg@378: 
arg@378: void
arg@533: dofloat(void) {
arg@402: 	Client *c;
arg@400: 
arg@327: 	for(c = clients; c; c = c->next) {
arg@327: 		if(isvisible(c)) {
arg@708: 			resize(c, True);
arg@327: 		}
arg@327: 		else
arg@687: 			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
arg@327: 	}
arg@446: 	if(!sel || !isvisible(sel)) {
arg@450: 		for(c = stack; c && !isvisible(c); c = c->snext);
arg@450: 		focus(c);
arg@446: 	}
arg@327: 	restack();
arg@327: }
arg@327: 
arg@327: void
arg@533: dotile(void) {
arg@650: 	unsigned int i, n, mw, mh, tw, th;
arg@402: 	Client *c;
arg@400: 
arg@488: 	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
arg@488: 		n++;
arg@650: 	/* window geoms */
arg@682: 	mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
arg@682: 	mw = (n > nmaster) ? (waw * master) / 1000 : waw;
arg@678: 	th = (n > nmaster) ? wah / (n - nmaster) : 0;
arg@650: 	tw = waw - mw;
arg@327: 
arg@535: 	for(i = 0, c = clients; c; c = c->next)
arg@327: 		if(isvisible(c)) {
arg@327: 			if(c->isfloat) {
arg@708: 				resize(c, True);
arg@327: 				continue;
arg@327: 			}
arg@488: 			c->ismax = False;
arg@565: 			c->x = wax;
arg@565: 			c->y = way;
arg@682: 			if(i < nmaster) {
arg@650: 				c->y += i * mh;
arg@650: 				c->w = mw - 2 * BORDERPX;
arg@650: 				c->h = mh - 2 * BORDERPX;
arg@507: 			}
arg@523: 			else {  /* tile window */
arg@650: 				c->x += mw;
arg@650: 				c->w = tw - 2 * BORDERPX;
arg@726: 				if(th > 2 * BORDERPX) {
arg@650: 					c->y += (i - nmaster) * th;
arg@565: 					c->h = th - 2 * BORDERPX;
arg@507: 				}
arg@726: 				else /* fallback if th <= 2 * BORDERPX */
arg@565: 					c->h = wah - 2 * BORDERPX;
arg@327: 			}
arg@708: 			resize(c, False);
arg@535: 			i++;
arg@327: 		}
arg@327: 		else
arg@687: 			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
arg@446: 	if(!sel || !isvisible(sel)) {
arg@450: 		for(c = stack; c && !isvisible(c); c = c->snext);
arg@450: 		focus(c);
arg@446: 	}
arg@327: 	restack();
arg@327: }
arg@327: 
arg@327: void
arg@461: focusnext(Arg *arg) {
arg@327: 	Client *c;
arg@327:    
arg@327: 	if(!sel)
arg@327: 		return;
arg@327: 	if(!(c = getnext(sel->next)))
arg@327: 		c = getnext(clients);
arg@327: 	if(c) {
arg@327: 		focus(c);
arg@327: 		restack();
arg@327: 	}
arg@327: }
arg@327: 
arg@327: void
arg@461: focusprev(Arg *arg) {
arg@327: 	Client *c;
arg@327: 
arg@327: 	if(!sel)
arg@327: 		return;
arg@327: 	if(!(c = getprev(sel->prev))) {
arg@327: 		for(c = clients; c && c->next; c = c->next);
arg@327: 		c = getprev(c);
arg@327: 	}
arg@327: 	if(c) {
arg@327: 		focus(c);
arg@327: 		restack();
arg@327: 	}
arg@327: }
arg@327: 
arg@650: void
arg@650: incnmaster(Arg *arg) {
arg@721: 	if((arrange == dofloat) || (nmaster + arg->i < 1)
arg@726: 		|| (wah / (nmaster + arg->i) <= 2 * BORDERPX))
arg@650: 		return;
arg@650: 	nmaster += arg->i;
arg@674: 	if(sel)
arg@674: 		arrange();
arg@674: 	else
arg@674: 		drawstatus();
arg@650: }
arg@650: 
arg@420: Bool
arg@461: isvisible(Client *c) {
arg@420: 	unsigned int i;
arg@420: 
arg@420: 	for(i = 0; i < ntags; i++)
arg@420: 		if(c->tags[i] && seltag[i])
arg@420: 			return True;
arg@420: 	return False;
arg@420: }
arg@420: 
arg@415: void
arg@559: resizemaster(Arg *arg) {
arg@561: 	if(arg->i == 0)
arg@561: 		master = MASTER;
arg@561: 	else {
arg@726: 		if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
arg@726: 			|| waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
arg@561: 			return;
arg@561: 		master += arg->i;
arg@561: 	}
arg@533: 	arrange();
arg@415: }
arg@415: 
arg@327: void
arg@487: restack(void) {
arg@327: 	Client *c;
arg@327: 	XEvent ev;
arg@481: 
arg@691: 	drawstatus();
arg@691: 	if(!sel)
arg@436: 		return;
arg@687: 	if(sel->isfloat || arrange == dofloat)
arg@436: 		XRaiseWindow(dpy, sel->win);
arg@512: 	if(arrange != dofloat) {
arg@687: 		if(!sel->isfloat)
arg@512: 			XLowerWindow(dpy, sel->win);
arg@436: 		for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
arg@512: 			if(c == sel)
arg@512: 				continue;
arg@436: 			XLowerWindow(dpy, c->win);
arg@327: 		}
arg@512: 	}
arg@327: 	XSync(dpy, False);
arg@327: 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
arg@327: }
arg@327: 
arg@327: void
arg@584: togglefloat(Arg *arg) {
arg@591: 	if (!sel || arrange == dofloat)
arg@584: 		return;
arg@584: 	sel->isfloat = !sel->isfloat;
arg@584: 	arrange();
arg@584: }
arg@584: 
arg@584: void
arg@461: togglemode(Arg *arg) {
arg@333: 	arrange = (arrange == dofloat) ? dotile : dofloat;
arg@327: 	if(sel)
arg@533: 		arrange();
arg@327: 	else
arg@327: 		drawstatus();
arg@327: }
arg@327: 
arg@327: void
arg@461: toggleview(Arg *arg) {
arg@327: 	unsigned int i;
arg@327: 
arg@327: 	seltag[arg->i] = !seltag[arg->i];
arg@327: 	for(i = 0; i < ntags && !seltag[i]; i++);
arg@327: 	if(i == ntags)
arg@327: 		seltag[arg->i] = True; /* cannot toggle last view */
arg@533: 	arrange();
arg@327: }
arg@327: 
arg@327: void
arg@461: view(Arg *arg) {
arg@327: 	unsigned int i;
arg@327: 
arg@327: 	for(i = 0; i < ntags; i++)
arg@594: 		seltag[i] = (arg->i == -1) ? True : False;
arg@611: 	if(arg->i >= 0 && arg->i < ntags)
arg@611: 		seltag[arg->i] = True;
arg@533: 	arrange();
arg@327: }
arg@327: 
arg@327: void
arg@461: zoom(Arg *arg) {
arg@651: 	unsigned int n;
arg@423: 	Client *c;
arg@473: 
arg@473: 	if(!sel)
arg@473: 		return;
arg@473: 	if(sel->isfloat || (arrange == dofloat)) {
arg@480: 		togglemax(sel);
arg@473: 		return;
arg@473: 	}
arg@650: 	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
arg@650: 		n++;
arg@654: 
arg@662: 	if((c = sel) == nexttiled(clients))
arg@662: 		if(!(c = nexttiled(c->next)))
arg@662: 			return;
arg@662: 	detach(c);
arg@662: 	if(clients)
arg@662: 		clients->prev = c;
arg@662: 	c->next = clients;
arg@662: 	clients = c;
arg@662: 	focus(c);
arg@662: 	arrange();
arg@327: }