diff -NU5 -r dwm-5.8.2/dwm.c dwm-5.8.2-pertag/dwm.c
--- dwm-5.8.2/dwm.c	2010-06-04 12:39:15.000000000 +0200
+++ dwm-5.8.2-pertag/dwm.c	2010-06-15 17:59:56.000000000 +0200
@@ -120,30 +120,10 @@
 typedef struct {
 	const char *symbol;
 	void (*arrange)(Monitor *);
 } Layout;
 
-struct Monitor {
-	char ltsymbol[16];
-	float mfact;
-	int num;
-	int by;               /* bar geometry */
-	int mx, my, mw, mh;   /* screen size */
-	int wx, wy, ww, wh;   /* window area  */
-	unsigned int seltags;
-	unsigned int sellt;
-	unsigned int tagset[2];
-	Bool showbar;
-	Bool topbar;
-	Client *clients;
-	Client *sel;
-	Client *stack;
-	Monitor *next;
-	Window barwin;
-	const Layout *lt[2];
-};
-
 typedef struct {
 	const char *class;
 	const char *instance;
 	const char *title;
 	unsigned int tags;
@@ -276,10 +256,34 @@
 static Window root;
 
 /* configuration, allows nested code to access above variables */
 #include "config.h"
 
+struct Monitor {
+	char ltsymbol[16];
+	float mfact;
+	int num;
+	int by;               /* bar geometry */
+	int mx, my, mw, mh;   /* screen size */
+	int wx, wy, ww, wh;   /* window area  */
+	unsigned int seltags;
+	unsigned int sellt;
+	unsigned int tagset[2];
+	Bool showbar;
+	Bool topbar;
+	Client *clients;
+	Client *sel;
+	Client *stack;
+	Monitor *next;
+	Window barwin;
+	const Layout *lt[2];
+	int curtag;
+	int prevtag;
+	const Layout *lts[LENGTH(tags) + 1];
+	double mfacts[LENGTH(tags) + 1];
+};
+
 /* compile-time check if all tags fit into an unsigned int bit array. */
 struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
 
 /* function implementations */
 void
@@ -1492,11 +1496,11 @@
 void
 setlayout(const Arg *arg) {
 	if(!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
 		selmon->sellt ^= 1;
 	if(arg && arg->v)
-		selmon->lt[selmon->sellt] = (Layout *)arg->v;
+		selmon->lt[selmon->sellt] = selmon->lts[selmon->curtag] = (Layout *)arg->v;
 	strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol);
 	if(selmon->sel)
 		arrange(selmon);
 	else
 		drawbar(selmon);
@@ -1510,17 +1514,19 @@
 	if(!arg || !selmon->lt[selmon->sellt]->arrange)
 		return;
 	f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
 	if(f < 0.1 || f > 0.9)
 		return;
-	selmon->mfact = f;
+	selmon->mfact = selmon->mfacts[selmon->curtag] = f;
 	arrange(selmon);
 }
 
 void
 setup(void) {
 	XSetWindowAttributes wa;
+	Monitor *m;
+	unsigned int i;
 
 	/* clean up any zombies immediately */
 	sigchld(0);
 
 	/* init screen */
@@ -1553,11 +1559,25 @@
 	dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(dpy, screen), bh, DefaultDepth(dpy, screen));
 	dc.gc = XCreateGC(dpy, root, 0, NULL);
 	XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
 	if(!dc.font.set)
 		XSetFont(dpy, dc.gc, dc.font.xfont->fid);
-	/* init bars */
+	/* init tags */
+	for(m = mons; m; m = m->next)
+		m->curtag = m->prevtag = 1;
+	/* init mfacts */
+	for(m = mons; m; m = m->next) {
+		for(i=0; i < LENGTH(tags) + 1 ; i++) {
+			m->mfacts[i] = m->mfact;
+		}
+	}
+	/* init layouts */
+	for(m = mons; m; m = m->next) {
+		for(i=0; i < LENGTH(tags) + 1; i++) {
+			m->lts[i] = &layouts[0];
+		}
+	}
 	updatebars();
 	updatestatus();
 	/* EWMH support per view */
 	XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
 			PropModeReplace, (unsigned char *) netatom, NetLast);
@@ -1684,16 +1704,29 @@
 }
 
 void
 toggletag(const Arg *arg) {
 	unsigned int newtags;
+	unsigned int i;
 
 	if(!selmon->sel)
 		return;
 	newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
 	if(newtags) {
 		selmon->sel->tags = newtags;
+		if(newtags == ~0) {
+			selmon->prevtag = selmon->curtag;
+			selmon->curtag = 0;
+		}
+		if(!(newtags & 1 << (selmon->curtag - 1))) {
+			selmon->prevtag = selmon->curtag;
+			for (i=0; !(newtags & 1 << i); i++);
+			selmon->curtag = i + 1;
+		}
+		selmon->sel->tags = newtags;
+		selmon->lt[selmon->sellt] = selmon->lts[selmon->curtag];
+		selmon->mfact = selmon->mfacts[selmon->curtag];
 		arrange(selmon);
 	}
 }
 
 void
@@ -1957,15 +1990,31 @@
 	}
 }
 
 void
 view(const Arg *arg) {
+	unsigned int i;
+
 	if((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
 		return;
 	selmon->seltags ^= 1; /* toggle sel tagset */
-	if(arg->ui & TAGMASK)
+	if(arg->ui & TAGMASK) {
 		selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
+		selmon->prevtag = selmon->curtag;
+		if(arg->ui == ~0)
+			selmon->curtag = 0;
+		else {
+			for (i=0; !(arg->ui & 1 << i); i++);
+			selmon->curtag = i + 1;
+		}
+	} else {
+		selmon->prevtag= selmon->curtag ^ selmon->prevtag;
+		selmon->curtag^= selmon->prevtag;
+		selmon->prevtag= selmon->curtag ^ selmon->prevtag;
+	}
+	selmon->lt[selmon->sellt]= selmon->lts[selmon->curtag];
+	selmon->mfact = selmon->mfacts[selmon->curtag];
 	arrange(selmon);
 }
 
 Client *
 wintoclient(Window w) {