diff -r 0eea3c24456e dwm.c
--- a/dwm.c	Sat Oct 27 11:46:31 2007 +0200
+++ b/dwm.c	Sat Oct 27 11:48:49 2007 +0200
@@ -124,6 +124,7 @@ void configure(Client *c);
 void configure(Client *c);
 void configurenotify(XEvent *e);
 void configurerequest(XEvent *e);
+void deinitpertag(void);
 void destroynotify(XEvent *e);
 void detach(Client *c);
 void detachstack(Client *c);
@@ -194,13 +195,11 @@ void zoom(const char *arg);
 
 /* variables */
 char stext[256];
-double mwfact;
-unsigned int nmaster;
 int screen, sx, sy, sw, sh, wax, way, waw, wah;
 int (*xerrorxlib)(Display *, XErrorEvent *);
-unsigned int bh, bpos;
+unsigned int bh;
 unsigned int blw = 0;
-unsigned int ltidx = 0; /* default */
+unsigned int csel = 0;
 unsigned int nlayouts = 0;
 unsigned int nrules = 0;
 unsigned int numlockmask = 0;
@@ -231,6 +230,11 @@ Window barwin, root;
 Window barwin, root;
 Regs *regs = NULL;
 
+unsigned int *bpos;
+unsigned int *ltidxs;
+unsigned int *nmasters;
+double *mwfacts;
+
 /* configuration, allows nested code to access above variables */
 #include "config.h"
 
@@ -279,7 +283,7 @@ arrange(void) {
 			unban(c);
 		else
 			ban(c);
-	layouts[ltidx].arrange();
+	layouts[ltidxs[csel]].arrange();
 	focus(NULL);
 	restack();
 }
@@ -398,6 +402,7 @@ cleanup(void) {
 	XFreeCursor(dpy, cursor[CurMove]);
 	XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
 	XSync(dpy, False);
+	deinitpertag();
 }
 
 void
@@ -506,6 +511,15 @@ configurerequest(XEvent *e) {
 }
 
 void
+deinitpertag(void)
+{
+	free(bpos);
+	free(ltidxs);
+	free(mwfacts);
+	free(nmasters);
+}
+
+void
 destroynotify(XEvent *e) {
 	Client *c;
 	XDestroyWindowEvent *ev = &e->xdestroywindow;
@@ -551,7 +565,7 @@ drawbar(void) {
 		dc.x += dc.w;
 	}
 	dc.w = blw;
-	drawtext(layouts[ltidx].symbol, dc.norm);
+	drawtext(layouts[ltidxs[csel]].symbol, dc.norm);
 	x = dc.x + dc.w;
 	dc.w = textw(stext);
 	dc.x = sw - dc.w;
@@ -897,7 +911,7 @@ Bool
 Bool
 isarrange(void (*func)())
 {
-	return func == layouts[ltidx].arrange;
+	return func == layouts[ltidxs[csel]].arrange;
 }
 
 Bool
@@ -1380,8 +1394,8 @@ setlayout(const char *arg) {
 	unsigned int i;
 
 	if(!arg) {
-		if(++ltidx == nlayouts)
-			ltidx = 0;;
+		if(++ltidxs[csel] == nlayouts)
+			ltidxs[csel] = 0;;
 	}
 	else {
 		for(i = 0; i < nlayouts; i++)
@@ -1389,7 +1403,7 @@ setlayout(const char *arg) {
 				break;
 		if(i == nlayouts)
 			return;
-		ltidx = i;
+		ltidxs[csel] = i;
 	}
 	if(sel)
 		arrange();
@@ -1405,16 +1419,16 @@ setmwfact(const char *arg) {
 		return;
 	/* arg handling, manipulate mwfact */
 	if(arg == NULL)
-		mwfact = MWFACT;
+		mwfacts[csel] = MWFACT;
 	else if(1 == sscanf(arg, "%lf", &delta)) {
 		if(arg[0] == '+' || arg[0] == '-')
-			mwfact += delta;
+			mwfacts[csel] += delta;
 		else
-			mwfact = delta;
-		if(mwfact < 0.1)
-			mwfact = 0.1;
-		else if(mwfact > 0.9)
-			mwfact = 0.9;
+			mwfacts[csel] = delta;
+		if(mwfacts[csel] < 0.1)
+			mwfacts[csel] = 0.1;
+		else if(mwfacts[csel] > 0.9)
+			mwfacts[csel] = 0.9;
 	}
 	arrange();
 }
@@ -1426,12 +1440,12 @@ setnmaster(const char *arg) {
 	if(!isarrange(tile))
 		return;
 	if(!arg)
-		nmaster = NMASTER;
+		nmasters[csel] = NMASTER;
 	else {
 		i = atoi(arg);
-		if((nmaster + i) < 1 || wah / (nmaster + i) <= 2 * BORDERPX)
+		if((nmasters[csel] + i) < 1 || wah / (nmasters[csel] + i) <= 2 * BORDERPX)
 			return;
-		nmaster += i;
+		nmasters[csel] += i;
 	}
 	if(sel)
 		arrange();
@@ -1501,8 +1515,15 @@ setup(void) {
 	dc.h = bh = dc.font.height + 2;
 
 	/* init layouts */
-	mwfact = MWFACT;
-	nmaster = NMASTER;
+	ltidxs = (unsigned int*)emallocz(sizeof(unsigned int) * NTAGS);
+	mwfacts = (double*)emallocz(sizeof(double) * NTAGS);
+	nmasters = (unsigned int*)emallocz(sizeof(unsigned int) * NTAGS);
+	for(i = 0; i < NTAGS; i++)
+	{
+		ltidxs[i] = 0;
+		mwfacts[i] = MWFACT;
+		nmasters[i] = NMASTER;
+	}
 	nlayouts = sizeof layouts / sizeof layouts[0];
 	for(blw = i = 0; i < nlayouts; i++) {
 		j = textw(layouts[i].symbol);
@@ -1511,7 +1532,9 @@ setup(void) {
 	}
 
 	/* init bar */
-	bpos = BARPOS;
+	bpos = (unsigned int*)emallocz(sizeof(unsigned int) * NTAGS);
+	for(i = 0; i < NTAGS; i++)
+		bpos[i] = BARPOS;
 	wa.override_redirect = 1;
 	wa.background_pixmap = ParentRelative;
 	wa.event_mask = ButtonPressMask | ExposureMask;
@@ -1593,10 +1616,10 @@ tile(void) {
 		n++;
 
 	/* window geoms */
-	mh = (n <= nmaster) ? wah / (n > 0 ? n : 1) : wah / nmaster;
-	mw = (n <= nmaster) ? waw : mwfact * waw;
-	th = (n > nmaster) ? wah / (n - nmaster) : 0;
-	if(n > nmaster && th < bh)
+	mh = (n <= nmasters[csel]) ? wah / (n > 0 ? n : 1) : wah / nmasters[csel];
+	mw = (n == 1) ? waw : mwfacts[csel] * waw;
+	th = (n > nmasters[csel]) ? wah / (n - nmasters[csel]) : 0;
+	if(n > nmasters[csel] && th < bh)
 		th = wah;
 
 	nx = wax;
@@ -1604,17 +1627,17 @@ tile(void) {
 	nw = 0; /* gcc stupidity requires this */
 	for(i = 0, c = mc = nexttiled(clients); c; c = nexttiled(c->next), i++) {
 		c->ismax = False;
-		if(i < nmaster) { /* master */
+		if(i < nmasters[csel]) { /* master */
 			ny = way + i * mh;
 			nw = mw - 2 * c->border;
 			nh = wah - 2 * c->border;
 			nh = mh;
-			if(i + 1 == (n < nmaster ? n : nmaster)) /* remainder */
+			if(i + 1 == (n < nmasters[csel] ? n : nmasters[csel])) /* remainder */
 				nh = wah - mh * i;
 			nh -= 2 * c->border;
 		}
 		else {  /* tile window */
-			if(i == nmaster) {
+			if(i == nmasters[csel]) {
 				ny = way;
 				nx += mc->w + 2 * mc->border;
 				nw = waw - nx - 2 * c->border;
@@ -1628,17 +1651,17 @@ tile(void) {
 		if((c->h < bh) || (c->h > nh) || (c->w < bh) || (c->w > nw))
 			/* client doesn't accept size constraints */
 			resize(c, nx, ny, nw, nh, False);
-		if(n > nmaster && th != wah)
+		if(n > nmasters[csel] && th != wah)
 			ny = c->y + c->h + 2 * c->border;
 	}
 }
 
 void
 togglebar(const char *arg) {
-	if(bpos == BarOff)
-		bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
+	if(bpos[csel] == BarOff)
+		bpos[csel] = (BARPOS == BarOff) ? BarTop : BARPOS;
 	else
-		bpos = BarOff;
+		bpos[csel] = BarOff;
 	updatebarpos();
 	arrange();
 }
@@ -1702,8 +1725,12 @@ toggleview(const char *arg) {
 	i = idxoftag(arg);
 	seltags[i] = !seltags[i];
 	for(j = 0; j < NTAGS && !seltags[j]; j++);
-	if(j == NTAGS)
+	if(j == NTAGS) {
 		seltags[i] = True; /* at least one tag must be viewed */
+		j = i;
+	}
+	if(csel == i)
+		csel = j;
 	arrange();
 }
 
@@ -1755,7 +1782,7 @@ updatebarpos(void) {
 	way = sy;
 	wah = sh;
 	waw = sw;
-	switch(bpos) {
+	switch(bpos[csel]) {
 	default:
 		wah -= bh;
 		way += bh;
@@ -1865,12 +1892,16 @@ xerrorstart(Display *dsply, XErrorEvent 
 
 void
 view(const char *arg) {
-	unsigned int i;
+	unsigned int i, prevcsel;
 
 	memcpy(prevtags, seltags, sizeof seltags);
 	for(i = 0; i < NTAGS; i++)
 		seltags[i] = arg == NULL;
 	seltags[idxoftag(arg)] = True;
+	prevcsel = csel;
+	csel = idxoftag(arg);
+	if (bpos[prevcsel] != bpos[csel])
+		updatebarpos();
 	arrange();
 }
 
@@ -1878,6 +1909,9 @@ viewprevtag(const char *arg) {
 viewprevtag(const char *arg) {
 	static Bool tmptags[sizeof tags / sizeof tags[0]];
 
+	int i = 0;
+	while(i < NTAGS && !prevtags[i]) i++;
+	csel = i;
 	memcpy(tmptags, seltags, sizeof seltags);
 	memcpy(seltags, prevtags, sizeof seltags);
 	memcpy(prevtags, tmptags, sizeof seltags);