--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/view.c	Tue Aug 22 16:50:21 2006 +0200
@@ -0,0 +1,253 @@
+/*
+ * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+#include "dwm.h"
+
+/* extern */
+
+void (*arrange)(Arg *) = DEFMODE;
+
+void
+dofloat(Arg *arg)
+{
+	Client *c;
+
+	for(c = clients; c; c = c->next) {
+		c->ismax = False;
+		if(isvisible(c)) {
+			resize(c, True, TopLeft);
+		}
+		else
+			ban(c);
+	}
+	if(!sel || !isvisible(sel))
+		sel = getnext(clients);
+	if(sel)
+		focus(sel);
+	else
+		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+	restack();
+}
+
+void
+dotile(Arg *arg)
+{
+	int h, i, n, w;
+	Client *c;
+
+	w = sw - mw;
+	for(n = 0, c = clients; c; c = c->next)
+		if(isvisible(c) && !c->isfloat)
+			n++;
+
+	if(n > 1)
+		h = (sh - bh) / (n - 1);
+	else
+		h = sh - bh;
+
+	for(i = 0, c = clients; c; c = c->next) {
+		c->ismax = False;
+		if(isvisible(c)) {
+			if(c->isfloat) {
+				resize(c, True, TopLeft);
+				continue;
+			}
+			if(n == 1) {
+				c->x = sx;
+				c->y = sy + bh;
+				c->w = sw - 2;
+				c->h = sh - 2 - bh;
+			}
+			else if(i == 0) {
+				c->x = sx;
+				c->y = sy + bh;
+				c->w = mw - 2;
+				c->h = sh - 2 - bh;
+			}
+			else if(h > bh) {
+				c->x = sx + mw;
+				c->y = sy + (i - 1) * h + bh;
+				c->w = w - 2;
+				if(i + 1 == n)
+					c->h = sh - c->y - 2;
+				else
+					c->h = h - 2;
+			}
+			else { /* fallback if h < bh */
+				c->x = sx + mw;
+				c->y = sy + bh;
+				c->w = w - 2;
+				c->h = sh - 2 - bh;
+			}
+			resize(c, False, TopLeft);
+			i++;
+		}
+		else
+			ban(c);
+	}
+	if(!sel || !isvisible(sel))
+		sel = getnext(clients);
+	if(sel)
+		focus(sel);
+	else
+		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+	restack();
+}
+
+void
+focusnext(Arg *arg)
+{
+	Client *c;
+   
+	if(!sel)
+		return;
+
+	if(!(c = getnext(sel->next)))
+		c = getnext(clients);
+	if(c) {
+		focus(c);
+		restack();
+	}
+}
+
+void
+focusprev(Arg *arg)
+{
+	Client *c;
+
+	if(!sel)
+		return;
+
+	if(!(c = getprev(sel->prev))) {
+		for(c = clients; c && c->next; c = c->next);
+		c = getprev(c);
+	}
+	if(c) {
+		focus(c);
+		restack();
+	}
+}
+
+Bool
+isvisible(Client *c)
+{
+	unsigned int i;
+
+	for(i = 0; i < ntags; i++)
+		if(c->tags[i] && seltag[i])
+			return True;
+	return False;
+}
+
+void
+restack()
+{
+	static unsigned int nwins = 0;
+	static Window *wins = NULL;
+	unsigned int f, fi, m, mi, n;
+	Client *c;
+	XEvent ev;
+
+	for(f = 0, m = 0, c = clients; c; c = c->next)
+		if(isvisible(c)) {
+			if(c->isfloat || arrange == dofloat)
+				f++;
+			else
+				m++;
+		}
+	if(!(n = 2 * (f + m))) {
+		drawstatus();
+		return;
+	}
+	if(nwins < n) {
+		nwins = n;
+		wins = erealloc(wins, nwins * sizeof(Window));
+	}
+
+	fi = 0;
+	mi = 2 * f;
+	if(sel->isfloat || arrange == dofloat) {
+		wins[fi++] = sel->title;
+		wins[fi++] = sel->win;
+	}
+	else {
+		wins[mi++] = sel->title;
+		wins[mi++] = sel->win;
+	}
+	for(c = clients; c; c = c->next)
+		if(isvisible(c) && c != sel) {
+			if(c->isfloat || arrange == dofloat) {
+				wins[fi++] = c->title;
+				wins[fi++] = c->win;
+			}
+			else {
+				wins[mi++] = c->title;
+				wins[mi++] = c->win;
+			}
+		}
+	XRestackWindows(dpy, wins, n);
+	drawall();
+	XSync(dpy, False);
+	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+void
+togglemode(Arg *arg)
+{
+	arrange = arrange == dofloat ? dotile : dofloat;
+	if(sel)
+		arrange(NULL);
+	else
+		drawstatus();
+}
+
+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 */
+	arrange(NULL);
+}
+
+void
+view(Arg *arg)
+{
+	unsigned int i;
+
+	for(i = 0; i < ntags; i++)
+		seltag[i] = False;
+	seltag[arg->i] = True;
+	arrange(NULL);
+}
+
+void
+zoom(Arg *arg)
+{
+	Client *c;
+
+	if(!sel || (arrange != dotile) || sel->isfloat || sel->ismax)
+		return;
+
+	if(sel == getnext(clients))  {
+		if((c = getnext(sel->next)))
+			sel = c;
+		else
+			return;
+	}
+
+	/* pop */
+	sel->prev->next = sel->next;
+	if(sel->next)
+		sel->next->prev = sel->prev;
+	sel->prev = NULL;
+	clients->prev = sel;
+	sel->next = clients;
+	clients = sel;
+	focus(sel);
+	arrange(NULL);
+}