X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/4426032450777e63ac9a8967cd67382497954c51..39d1ecd5b0b22dbd61ba5206c9f08a187f911b2a:/dwm.c?ds=sidebyside

diff --git a/dwm.c b/dwm.c
index 66daba3..66a2cb4 100644
--- a/dwm.c
+++ b/dwm.c
@@ -17,7 +17,7 @@
  * set the override_redirect flag.  Clients are organized in a global
  * doubly-linked client list, the focus history is remembered through a global
  * stack list. Each client contains an array of Bools of the same size as the
- * global tags array to indicate the tags of a client.  
+ * global tags array to indicate the tags of a client.
  *
  * Keys and tagging rules are organized as arrays and defined in config.h.
  *
@@ -33,30 +33,30 @@
 #include <sys/select.h>
 #include <sys/types.h>
 #include <sys/wait.h>
-#include <regex.h>
 #include <X11/cursorfont.h>
 #include <X11/keysym.h>
 #include <X11/Xatom.h>
 #include <X11/Xlib.h>
 #include <X11/Xproto.h>
 #include <X11/Xutil.h>
-//#ifdef XINERAMA
+#ifdef XINERAMA
 #include <X11/extensions/Xinerama.h>
-//#endif
+#endif
 
 /* macros */
-#define BUTTONMASK		(ButtonPressMask | ButtonReleaseMask)
-#define CLEANMASK(mask)		(mask & ~(numlockmask | LockMask))
-#define LENGTH(x)		(sizeof x / sizeof x[0])
-#define MAXTAGLEN		16
-#define MOUSEMASK		(BUTTONMASK | PointerMotionMask)
-
+#define MAX(a, b)       ((a) > (b) ? (a) : (b))
+#define MIN(a, b)       ((a) < (b) ? (a) : (b))
+#define BUTTONMASK      (ButtonPressMask|ButtonReleaseMask)
+#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask))
+#define LENGTH(x)       (sizeof x / sizeof x[0])
+#define MAXTAGLEN       16
+#define MOUSEMASK       (BUTTONMASK|PointerMotionMask)
+#define TAGMASK         ((int)((1LL << LENGTH(tags)) - 1))
 
 /* enums */
-enum { BarTop, BarBot, BarOff };			/* bar position */
-enum { CurNormal, CurResize, CurMove, CurLast };	/* cursor */
-enum { ColBorder, ColFG, ColBG, ColLast };		/* color */
-enum { NetSupported, NetWMName, NetLast };		/* EWMH atoms */
+enum { CurNormal, CurResize, CurMove, CurLast };        /* cursor */
+enum { ColBorder, ColFG, ColBG, ColLast };              /* color */
+enum { NetSupported, NetWMName, NetLast };              /* EWMH atoms */
 enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */
 
 /* typedefs */
@@ -67,14 +67,13 @@ struct Client {
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
 	int minax, maxax, minay, maxay;
 	long flags;
-	unsigned int border, oldborder;
+	unsigned int bw, oldbw;
 	Bool isbanned, isfixed, isfloating, isurgent;
-	Bool *tags;
+	unsigned int tags;
 	Client *next;
 	Client *prev;
 	Client *snext;
 	Window win;
-	int monitor;
 };
 
 typedef struct {
@@ -95,36 +94,24 @@ typedef struct {
 typedef struct {
 	unsigned long mod;
 	KeySym keysym;
-	void (*func)(const char *arg);
-	const char *arg;
+	void (*func)(void *arg);
+	void *arg;
 } Key;
 
 typedef struct {
 	const char *symbol;
 	void (*arrange)(void);
+	void (*updategeom)(void);
 } Layout;
 
 typedef struct {
-	const char *prop;
-	const char *tags;
+	const char *class;
+	const char *instance;
+	const char *title;
+	unsigned int tags;
 	Bool isfloating;
-	int monitor;
 } Rule;
 
-typedef struct {
-	regex_t *propregex;
-	regex_t *tagregex;
-} Regs;
-
-typedef struct {
-	Window barwin;
-	int sx, sy, sw, sh, wax, way, wah, waw;
-	Bool *seltags;
-	Bool *prevtags;
-	Layout *layout;
-	double mwfact;
-} Monitor;
-
 /* function declarations */
 void applyrules(Client *c);
 void arrange(void);
@@ -134,7 +121,6 @@ void ban(Client *c);
 void buttonpress(XEvent *e);
 void checkotherwm(void);
 void cleanup(void);
-void compileregs(void);
 void configure(Client *c);
 void configurenotify(XEvent *e);
 void configurerequest(XEvent *e);
@@ -142,82 +128,78 @@ void destroynotify(XEvent *e);
 void detach(Client *c);
 void detachstack(Client *c);
 void drawbar(void);
-void drawsquare(Monitor *, Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]);
-void drawtext(Monitor *, const char *text, unsigned long col[ColLast], Bool invert);
+void drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]);
+void drawtext(const char *text, unsigned long col[ColLast], Bool invert);
 void *emallocz(unsigned int size);
 void enternotify(XEvent *e);
 void eprint(const char *errstr, ...);
 void expose(XEvent *e);
-void floating(void); /* default floating layout */
 void focus(Client *c);
 void focusin(XEvent *e);
-void focusnext(const char *arg);
-void focusprev(const char *arg);
+void focusnext(void *arg);
+void focusprev(void *arg);
 Client *getclient(Window w);
 unsigned long getcolor(const char *colstr);
 long getstate(Window w);
 Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
 void grabbuttons(Client *c, Bool focused);
 void grabkeys(void);
-unsigned int idxoftag(const char *tag);
 void initfont(const char *fontstr);
-Bool isoccupied(unsigned int monitor, unsigned int t);
+Bool isoccupied(unsigned int t);
 Bool isprotodel(Client *c);
-Bool isurgent(unsigned int monitor, unsigned int t);
-Bool isvisible(Client *c, int monitor);
+Bool isurgent(unsigned int t);
+Bool isvisible(Client *c);
 void keypress(XEvent *e);
-void killclient(const char *arg);
+void killclient(void *arg);
 void manage(Window w, XWindowAttributes *wa);
 void mappingnotify(XEvent *e);
 void maprequest(XEvent *e);
 void movemouse(Client *c);
-Client *nexttiled(Client *c, int monitor);
+Client *nextunfloating(Client *c);
 void propertynotify(XEvent *e);
-void quit(const char *arg);
-void reapply(const char *arg);
+void quit(void *arg);
 void resize(Client *c, int x, int y, int w, int h, Bool sizehints);
 void resizemouse(Client *c);
 void restack(void);
 void run(void);
 void scan(void);
 void setclientstate(Client *c, long state);
-void setlayout(const char *arg);
-void setmwfact(const char *arg);
+void setmfact(void *arg);
 void setup(void);
-void spawn(const char *arg);
-void tag(const char *arg);
+void spawn(void *arg);
+void tag(void *arg);
 unsigned int textnw(const char *text, unsigned int len);
 unsigned int textw(const char *text);
 void tile(void);
-void togglebar(const char *arg);
-void togglefloating(const char *arg);
-void toggletag(const char *arg);
-void toggleview(const char *arg);
+void tileresize(Client *c, int x, int y, int w, int h);
+void togglebar(void *arg);
+void togglefloating(void *arg);
+void togglelayout(void *arg);
+void toggletag(void *arg);
+void toggleview(void *arg);
 void unban(Client *c);
 void unmanage(Client *c);
 void unmapnotify(XEvent *e);
-void updatebarpos(Monitor *m);
+void updatebar(void);
+void updategeom(void);
 void updatesizehints(Client *c);
+void updatetilegeom(void);
 void updatetitle(Client *c);
 void updatewmhints(Client *c);
-void view(const char *arg);
-void viewprevtag(const char *arg);	/* views previous selected tags */
+void view(void *arg);
+void viewprevtag(void *arg);
 int xerror(Display *dpy, XErrorEvent *ee);
-int xerrordummy(Display *dsply, XErrorEvent *ee);
-int xerrorstart(Display *dsply, XErrorEvent *ee);
-void zoom(const char *arg);
-int monitorat(void);
-void movetomonitor(const char *arg);
-void selectmonitor(const char *arg);
+int xerrordummy(Display *dpy, XErrorEvent *ee);
+int xerrorstart(Display *dpy, XErrorEvent *ee);
+void zoom(void *arg);
 
 /* variables */
 char stext[256];
-int mcount = 1;
-int selmonitor = 0;
-int screen;
+int screen, sx, sy, sw, sh;
+int bx, by, bw, bh, blw, wx, wy, ww, wh;
+int mx, my, mw, mh, tx, ty, tw, th;
+unsigned int seltags = 0;
 int (*xerrorxlib)(Display *, XErrorEvent *);
-unsigned int bh, bpos;
-unsigned int blw = 0;
 unsigned int numlockmask = 0;
 void (*handler[LASTEvent]) (XEvent *) = {
 	[ButtonPress] = buttonpress,
@@ -234,64 +216,50 @@ void (*handler[LASTEvent]) (XEvent *) = {
 	[UnmapNotify] = unmapnotify
 };
 Atom wmatom[WMLast], netatom[NetLast];
-Bool isxinerama = False;
-Bool domwfact = True;
-Bool dozoom = True;
 Bool otherwm, readin;
 Bool running = True;
+unsigned int tagset[] = {1, 1}; /* after start, first tag is selected */
 Client *clients = NULL;
 Client *sel = NULL;
 Client *stack = NULL;
 Cursor cursor[CurLast];
 Display *dpy;
 DC dc = {0};
-Regs *regs = NULL;
-Monitor *monitors;
-Window root;
+Layout layouts[];
+Layout *lt = layouts;
+Window root, barwin;
 
 /* configuration, allows nested code to access above variables */
 #include "config.h"
 
-//Bool prevtags[LENGTH(tags)];
+/* check if all tags will fit into a unsigned int bitarray. */
+static char tags_is_a_sign_that_your_IQ[sizeof(int) * 8 < LENGTH(tags) ? -1 : 1];
 
 /* function implementations */
+
 void
 applyrules(Client *c) {
-	static char buf[512];
-	unsigned int i, j;
-	regmatch_t tmp;
-	Bool matched_tag = False;
-	Bool matched_monitor = False;
+	unsigned int i;
+	Rule *r;
 	XClassHint ch = { 0 };
 
 	/* rule matching */
 	XGetClassHint(dpy, c->win, &ch);
-	snprintf(buf, sizeof buf, "%s:%s:%s",
-			ch.res_class ? ch.res_class : "",
-			ch.res_name ? ch.res_name : "", c->name);
-	for(i = 0; i < LENGTH(rules); i++)
-		if(regs[i].propregex && !regexec(regs[i].propregex, buf, 1, &tmp, 0)) {
-			if (rules[i].monitor >= 0 && rules[i].monitor < mcount) {
-				matched_monitor = True;
-				c->monitor = rules[i].monitor;
-			}
-
-			c->isfloating = rules[i].isfloating;
-			for(j = 0; regs[i].tagregex && j < LENGTH(tags); j++) {
-				if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
-					matched_tag = True;
-					c->tags[j] = True;
-				}
-			}
+	for(i = 0; i < LENGTH(rules); i++) {
+		r = &rules[i];
+		if((!r->title || strstr(c->name, r->title))
+		&& (!r->class || (ch.res_class && strstr(ch.res_class, r->class)))
+		&& (!r->instance || (ch.res_name && strstr(ch.res_name, r->instance)))) {
+			c->isfloating = r->isfloating;
+			c->tags |= r->tags & TAGMASK;
 		}
+	}
 	if(ch.res_class)
 		XFree(ch.res_class);
 	if(ch.res_name)
 		XFree(ch.res_name);
-	if(!matched_tag)
-		memcpy(c->tags, monitors[monitorat()].seltags, sizeof initags);
-	if (!matched_monitor)
-		c->monitor = monitorat();
+	if(!c->tags)
+		c->tags = tagset[seltags];
 }
 
 void
@@ -299,13 +267,17 @@ arrange(void) {
 	Client *c;
 
 	for(c = clients; c; c = c->next)
-		if(isvisible(c, c->monitor))
+		if(isvisible(c)) {
 			unban(c);
+			if(!lt->arrange || c->isfloating)
+				resize(c, c->x, c->y, c->w, c->h, True);
+		}
 		else
 			ban(c);
 
-	monitors[selmonitor].layout->arrange();
 	focus(NULL);
+	if(lt->arrange)
+		lt->arrange();
 	restack();
 }
 
@@ -327,40 +299,39 @@ void
 ban(Client *c) {
 	if(c->isbanned)
 		return;
-	XMoveWindow(dpy, c->win, c->x + 3 * monitors[c->monitor].sw, c->y);
+	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
 	c->isbanned = True;
 }
 
 void
 buttonpress(XEvent *e) {
-	unsigned int i, x;
+	unsigned int i, x, mask;
 	Client *c;
 	XButtonPressedEvent *ev = &e->xbutton;
 
-	Monitor *m = &monitors[monitorat()];
-
-	if(ev->window == m->barwin) {
+	if(ev->window == barwin) {
 		x = 0;
 		for(i = 0; i < LENGTH(tags); i++) {
 			x += textw(tags[i]);
 			if(ev->x < x) {
+				mask = 1 << i;
 				if(ev->button == Button1) {
 					if(ev->state & MODKEY)
-						tag(tags[i]);
+						tag(&mask);
 					else
-						view(tags[i]);
+						view(&mask);
 				}
 				else if(ev->button == Button3) {
 					if(ev->state & MODKEY)
-						toggletag(tags[i]);
+						toggletag(&mask);
 					else
-						toggleview(tags[i]);
+						toggleview(&mask);
 				}
 				return;
 			}
 		}
-		if((ev->x < x + blw) && ev->button == Button1)
-			setlayout(NULL);
+		if((ev->x < x + blw) && ev->button == Button1) 
+			togglelayout(NULL);
 	}
 	else if((c = getclient(ev->window))) {
 		focus(c);
@@ -370,12 +341,8 @@ buttonpress(XEvent *e) {
 			restack();
 			movemouse(c);
 		}
-		else if(ev->button == Button2) {
-			if((floating != m->layout->arrange) && c->isfloating)
-				togglefloating(NULL);
-			else
-				zoom(NULL);
-		}
+		else if(ev->button == Button2)
+			togglefloating(NULL);
 		else if(ev->button == Button3 && !c->isfixed) {
 			restack();
 			resizemouse(c);
@@ -401,7 +368,6 @@ checkotherwm(void) {
 
 void
 cleanup(void) {
-	unsigned int i;
 	close(STDIN_FILENO);
 	while(stack) {
 		unban(stack);
@@ -411,45 +377,17 @@ cleanup(void) {
 		XFreeFontSet(dpy, dc.font.set);
 	else
 		XFreeFont(dpy, dc.font.xfont);
-
 	XUngrabKey(dpy, AnyKey, AnyModifier, root);
 	XFreePixmap(dpy, dc.drawable);
 	XFreeGC(dpy, dc.gc);
 	XFreeCursor(dpy, cursor[CurNormal]);
 	XFreeCursor(dpy, cursor[CurResize]);
 	XFreeCursor(dpy, cursor[CurMove]);
-	for(i = 0; i < mcount; i++)
-		XDestroyWindow(dpy, monitors[i].barwin);
+	XDestroyWindow(dpy, barwin);
 	XSync(dpy, False);
 	XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
 }
 
-void
-compileregs(void) {
-	unsigned int i;
-	regex_t *reg;
-
-	if(regs)
-		return;
-	regs = emallocz(LENGTH(rules) * sizeof(Regs));
-	for(i = 0; i < LENGTH(rules); i++) {
-		if(rules[i].prop) {
-			reg = emallocz(sizeof(regex_t));
-			if(regcomp(reg, rules[i].prop, REG_EXTENDED))
-				free(reg);
-			else
-				regs[i].propregex = reg;
-		}
-		if(rules[i].tags) {
-			reg = emallocz(sizeof(regex_t));
-			if(regcomp(reg, rules[i].tags, REG_EXTENDED))
-				free(reg);
-			else
-				regs[i].tagregex = reg;
-		}
-	}
-}
-
 void
 configure(Client *c) {
 	XConfigureEvent ce;
@@ -462,7 +400,7 @@ configure(Client *c) {
 	ce.y = c->y;
 	ce.width = c->w;
 	ce.height = c->h;
-	ce.border_width = c->border;
+	ce.border_width = c->bw;
 	ce.above = None;
 	ce.override_redirect = False;
 	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
@@ -471,16 +409,12 @@ configure(Client *c) {
 void
 configurenotify(XEvent *e) {
 	XConfigureEvent *ev = &e->xconfigure;
-	Monitor *m = &monitors[selmonitor];
 
-	if(ev->window == root && (ev->width != m->sw || ev->height != m->sh)) {
-		/* TODO -- update Xinerama dimensions here */
-		m->sw = ev->width;
-		m->sh = ev->height;
-		XFreePixmap(dpy, dc.drawable);
-		dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(root, screen), bh, DefaultDepth(dpy, screen));
-		XResizeWindow(dpy, m->barwin, m->sw, bh);
-		updatebarpos(m);
+	if(ev->window == root && (ev->width != sw || ev->height != sh)) {
+		sw = ev->width;
+		sh = ev->height;
+		updategeom();
+		updatebar();
 		arrange();
 	}
 }
@@ -492,26 +426,25 @@ configurerequest(XEvent *e) {
 	XWindowChanges wc;
 
 	if((c = getclient(ev->window))) {
-		Monitor *m = &monitors[c->monitor];
 		if(ev->value_mask & CWBorderWidth)
-			c->border = ev->border_width;
-		if(c->isfixed || c->isfloating || (floating == m->layout->arrange)) {
+			c->bw = ev->border_width;
+		if(c->isfixed || c->isfloating || !lt->arrange) {
 			if(ev->value_mask & CWX)
-				c->x = m->sx+ev->x;
+				c->x = sx + ev->x;
 			if(ev->value_mask & CWY)
-				c->y = m->sy+ev->y;
+				c->y = sy + ev->y;
 			if(ev->value_mask & CWWidth)
 				c->w = ev->width;
 			if(ev->value_mask & CWHeight)
 				c->h = ev->height;
-			if((c->x - m->sx + c->w) > m->sw && c->isfloating)
-				c->x = m->sx + (m->sw / 2 - c->w / 2); /* center in x direction */
-			if((c->y - m->sy + c->h) > m->sh && c->isfloating)
-				c->y = m->sy + (m->sh / 2 - c->h / 2); /* center in y direction */
-			if((ev->value_mask & (CWX | CWY))
-			&& !(ev->value_mask & (CWWidth | CWHeight)))
+			if((c->x - sx + c->w) > sw && c->isfloating)
+				c->x = sx + (sw / 2 - c->w / 2); /* center in x direction */
+			if((c->y - sy + c->h) > sh && c->isfloating)
+				c->y = sy + (sh / 2 - c->h / 2); /* center in y direction */
+			if((ev->value_mask & (CWX|CWY))
+			&& !(ev->value_mask & (CWWidth|CWHeight)))
 				configure(c);
-			if(isvisible(c, monitorat()))
+			if(isvisible(c))
 				XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
 		}
 		else
@@ -554,64 +487,58 @@ void
 detachstack(Client *c) {
 	Client **tc;
 
-	for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
+	for(tc = &stack; *tc && *tc != c; tc = &(*tc)->snext);
 	*tc = c->snext;
 }
 
 void
 drawbar(void) {
-	int i, j, x;
+	int i, x;
 	Client *c;
 
-	for(i = 0; i < mcount; i++) {
-		Monitor *m = &monitors[i];
-		dc.x = 0;
-		for(c = stack; c && !isvisible(c, i); c = c->snext);
-		fprintf(stderr, "m%d %s\n", i, c ? c->name : "NIL");
-		for(j = 0; j < LENGTH(tags); j++) {
-			dc.w = textw(tags[j]);
-			if(m->seltags[j]) {
-				drawtext(m, tags[j], dc.sel, isurgent(i, j));
-				drawsquare(m, c && c->tags[j] && c->monitor == i,
-						isoccupied(i, j), isurgent(i, j), dc.sel);
-			}
-			else {
-				drawtext(m, tags[j], dc.norm, isurgent(i, j));
-				drawsquare(m, c && c->tags[j] && c->monitor == i,
-						isoccupied(i, j), isurgent(i, j), dc.norm);
-			}
-			dc.x += dc.w;
+	dc.x = 0;
+	for(c = stack; c && !isvisible(c); c = c->snext);
+	for(i = 0; i < LENGTH(tags); i++) {
+		dc.w = textw(tags[i]);
+		if(tagset[seltags] & 1 << i) {
+			drawtext(tags[i], dc.sel, isurgent(i));
+			drawsquare(c && c->tags & 1 << i, isoccupied(i), isurgent(i), dc.sel);
+		}
+		else {
+			drawtext(tags[i], dc.norm, isurgent(i));
+			drawsquare(c && c->tags & 1 << i, isoccupied(i), isurgent(i), dc.norm);
 		}
+		dc.x += dc.w;
+	}
+	if(blw > 0) {
 		dc.w = blw;
-		drawtext(m, m->layout->symbol, dc.norm, False);
+		drawtext(lt->symbol, dc.norm, False);
 		x = dc.x + dc.w;
-		if(i == selmonitor) {
-			dc.w = textw(stext);
-			dc.x = m->sw - dc.w;
-			if(dc.x < x) {
-				dc.x = x;
-				dc.w = m->sw - x;
-			}
-			drawtext(m, stext, dc.norm, False);
+	}
+	else
+		x = dc.x;
+	dc.w = textw(stext);
+	dc.x = bw - dc.w;
+	if(dc.x < x) {
+		dc.x = x;
+		dc.w = bw - x;
+	}
+	drawtext(stext, dc.norm, False);
+	if((dc.w = dc.x - x) > bh) {
+		dc.x = x;
+		if(c) {
+			drawtext(c->name, dc.sel, False);
+			drawsquare(False, c->isfloating, False, dc.sel);
 		}
 		else
-			dc.x = m->sw;
-		if((dc.w = dc.x - x) > bh) {
-			dc.x = x;
-			if(c) {
-				drawtext(m, c->name, dc.sel, False);
-				drawsquare(m, False, c->isfloating, False, dc.sel);
-			}
-			else
-				drawtext(m, NULL, dc.norm, False);
-		}
-		XCopyArea(dpy, dc.drawable, m->barwin, dc.gc, 0, 0, m->sw, bh, 0, 0);
-		XSync(dpy, False);
+			drawtext(NULL, dc.norm, False);
 	}
+	XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
+	XSync(dpy, False);
 }
 
 void
-drawsquare(Monitor *m, Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]) {
+drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]) {
 	int x;
 	XGCValues gcv;
 	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
@@ -632,28 +559,27 @@ drawsquare(Monitor *m, Bool filled, Bool empty, Bool invert, unsigned long col[C
 }
 
 void
-drawtext(Monitor *m, const char *text, unsigned long col[ColLast], Bool invert) {
+drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
 	int x, y, w, h;
-	static char buf[256];
 	unsigned int len, olen;
 	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
+	char buf[256];
 
 	XSetForeground(dpy, dc.gc, col[invert ? ColFG : ColBG]);
 	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
 	if(!text)
 		return;
-	w = 0;
-	olen = len = strlen(text);
-	if(len >= sizeof buf)
-		len = sizeof buf - 1;
+	olen = strlen(text);
+	len = MIN(olen, sizeof buf);
 	memcpy(buf, text, len);
-	buf[len] = 0;
+	w = 0;
 	h = dc.font.ascent + dc.font.descent;
 	y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
 	x = dc.x + (h / 2);
 	/* shorten text if necessary */
-	while(len && (w = textnw(buf, len)) > dc.w - h)
-		buf[--len] = 0;
+	for(; len && (w = textnw(buf, len)) > dc.w - h; len--);
+	if(!len)
+		return;
 	if(len < olen) {
 		if(len > 1)
 			buf[len - 1] = '.';
@@ -662,8 +588,6 @@ drawtext(Monitor *m, const char *text, unsigned long col[ColLast], Bool invert)
 		if(len > 3)
 			buf[len - 3] = '.';
 	}
-	if(w > dc.w)
-		return; /* too long */
 	XSetForeground(dpy, dc.gc, col[invert ? ColBG : ColFG]);
 	if(dc.font.set)
 		XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
@@ -685,17 +609,12 @@ enternotify(XEvent *e) {
 	Client *c;
 	XCrossingEvent *ev = &e->xcrossing;
 
-	if(ev->mode != NotifyNormal || ev->detail == NotifyInferior) {
-		if(!isxinerama || ev->window != root)
-			return;
-	}
+	if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root)
+		return;
 	if((c = getclient(ev->window)))
 		focus(c);
-	else {
-		selmonitor = monitorat();
-		fprintf(stderr, "updating selmonitor %d\n", selmonitor);
+	else
 		focus(NULL);
-	}
 }
 
 void
@@ -712,31 +631,14 @@ void
 expose(XEvent *e) {
 	XExposeEvent *ev = &e->xexpose;
 
-	if(ev->count == 0) {
-		if(ev->window == monitors[selmonitor].barwin)
-			drawbar();
-	}
-}
-
-void
-floating(void) { /* default floating layout */
-	Client *c;
-
-	domwfact = dozoom = False;
-	for(c = clients; c; c = c->next)
-		if(isvisible(c, selmonitor))
-			resize(c, c->x, c->y, c->w, c->h, True);
+	if(ev->count == 0 && (ev->window == barwin))
+		drawbar();
 }
 
 void
 focus(Client *c) {
-	Monitor *m;
-
-	if(c)
-		selmonitor = c->monitor;
-	m = &monitors[selmonitor];
-	if(!c || (c && !isvisible(c, selmonitor)))
-		for(c = stack; c && !isvisible(c, c->monitor); c = c->snext);
+	if(!c || (c && !isvisible(c)))
+		for(c = stack; c && !isvisible(c); c = c->snext);
 	if(sel && sel != c) {
 		grabbuttons(sel, False);
 		XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
@@ -747,16 +649,13 @@ focus(Client *c) {
 		grabbuttons(c, True);
 	}
 	sel = c;
-	drawbar();
 	if(c) {
 		XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
 		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
-		selmonitor = c->monitor;
 	}
-	else {
+	else
 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
-		drawbar();
-	}
+	drawbar();
 }
 
 void
@@ -768,14 +667,14 @@ focusin(XEvent *e) { /* there are some broken focus acquiring clients */
 }
 
 void
-focusnext(const char *arg) {
+focusnext(void *arg) {
 	Client *c;
 
 	if(!sel)
 		return;
-	for(c = sel->next; c && !isvisible(c, selmonitor); c = c->next);
+	for(c = sel->next; c && !isvisible(c); c = c->next);
 	if(!c)
-		for(c = clients; c && !isvisible(c, selmonitor); c = c->next);
+		for(c = clients; c && !isvisible(c); c = c->next);
 	if(c) {
 		focus(c);
 		restack();
@@ -783,15 +682,15 @@ focusnext(const char *arg) {
 }
 
 void
-focusprev(const char *arg) {
+focusprev(void *arg) {
 	Client *c;
 
 	if(!sel)
 		return;
-	for(c = sel->prev; c && !isvisible(c, selmonitor); c = c->prev);
+	for(c = sel->prev; c && !isvisible(c); c = c->prev);
 	if(!c) {
 		for(c = clients; c && c->next; c = c->next);
-		for(; c && !isvisible(c, selmonitor); c = c->prev);
+		for(; c && !isvisible(c); c = c->prev);
 	}
 	if(c) {
 		focus(c);
@@ -863,43 +762,24 @@ gettextprop(Window w, Atom atom, char *text, unsigned int size) {
 
 void
 grabbuttons(Client *c, Bool focused) {
-	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+	int i, j;
+	unsigned int buttons[]   = { Button1, Button2, Button3 };
+	unsigned int modifiers[] = { MODKEY, MODKEY|LockMask, MODKEY|numlockmask,
+				MODKEY|numlockmask|LockMask} ;
 
-	if(focused) {
-		XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-
-		XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-
-		XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-	}
+	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+	if(focused)
+		for(i = 0; i < LENGTH(buttons); i++)
+			for(j = 0; j < LENGTH(modifiers); j++)
+				XGrabButton(dpy, buttons[i], modifiers[j], c->win, False,
+					BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
 	else
-		XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
+		XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
+			BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
 }
 
 void
-grabkeys(void)  {
+grabkeys(void) {
 	unsigned int i, j;
 	KeyCode code;
 	XModifierKeymap *modmap;
@@ -918,23 +798,15 @@ grabkeys(void)  {
 		code = XKeysymToKeycode(dpy, keys[i].keysym);
 		XGrabKey(dpy, code, keys[i].mod, root, True,
 				GrabModeAsync, GrabModeAsync);
-		XGrabKey(dpy, code, keys[i].mod | LockMask, root, True,
+		XGrabKey(dpy, code, keys[i].mod|LockMask, root, True,
 				GrabModeAsync, GrabModeAsync);
-		XGrabKey(dpy, code, keys[i].mod | numlockmask, root, True,
+		XGrabKey(dpy, code, keys[i].mod|numlockmask, root, True,
 				GrabModeAsync, GrabModeAsync);
-		XGrabKey(dpy, code, keys[i].mod | numlockmask | LockMask, root, True,
+		XGrabKey(dpy, code, keys[i].mod|numlockmask|LockMask, root, True,
 				GrabModeAsync, GrabModeAsync);
 	}
 }
 
-unsigned int
-idxoftag(const char *tag) {
-	unsigned int i;
-
-	for(i = 0; (i < LENGTH(tags)) && (tags[i] != tag); i++);
-	return (i < LENGTH(tags)) ? i : 0;
-}
-
 void
 initfont(const char *fontstr) {
 	char *def, **missing;
@@ -957,10 +829,8 @@ initfont(const char *fontstr) {
 		font_extents = XExtentsOfFontSet(dc.font.set);
 		n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
 		for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
-			if(dc.font.ascent < (*xfonts)->ascent)
-				dc.font.ascent = (*xfonts)->ascent;
-			if(dc.font.descent < (*xfonts)->descent)
-				dc.font.descent = (*xfonts)->descent;
+			dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
+			dc.font.descent = MAX(dc.font.descent,(*xfonts)->descent);
 			xfonts++;
 		}
 	}
@@ -978,11 +848,11 @@ initfont(const char *fontstr) {
 }
 
 Bool
-isoccupied(unsigned int monitor, unsigned int t) {
+isoccupied(unsigned int t) {
 	Client *c;
 
 	for(c = clients; c; c = c->next)
-		if(c->tags[t] && c->monitor == monitor)
+		if(c->tags & 1 << t)
 			return True;
 	return False;
 }
@@ -1003,25 +873,18 @@ isprotodel(Client *c) {
 }
 
 Bool
-isurgent(unsigned int monitor, unsigned int t) {
+isurgent(unsigned int t) {
 	Client *c;
 
 	for(c = clients; c; c = c->next)
-		if(c->monitor == monitor && c->isurgent && c->tags[t])
+		if(c->isurgent && c->tags & 1 << t)
 			return True;
 	return False;
 }
 
 Bool
-isvisible(Client *c, int monitor) {
-	unsigned int i;
-
-	if(c->monitor != monitor)
-		return False;
-	for(i = 0; i < LENGTH(tags); i++)
-		if(c->tags[i] && monitors[c->monitor].seltags[i])
-			return True;
-	return False;
+isvisible(Client *c) {
+	return c->tags & tagset[seltags];
 }
 
 void
@@ -1042,7 +905,7 @@ keypress(XEvent *e) {
 }
 
 void
-killclient(const char *arg) {
+killclient(void *arg) {
 	XEvent ev;
 
 	if(!sel)
@@ -1063,53 +926,48 @@ killclient(const char *arg) {
 void
 manage(Window w, XWindowAttributes *wa) {
 	Client *c, *t = NULL;
-	Monitor *m;
 	Status rettrans;
 	Window trans;
 	XWindowChanges wc;
 
 	c = emallocz(sizeof(Client));
-	c->tags = emallocz(sizeof initags);
 	c->win = w;
 
-	applyrules(c);
-
-	m = &monitors[c->monitor];
-
-	c->x = wa->x + m->sx;
-	c->y = wa->y + m->sy;
+	/* geometry */
+	c->x = wa->x;
+	c->y = wa->y;
 	c->w = wa->width;
 	c->h = wa->height;
-	c->oldborder = wa->border_width;
-
-	if(c->w == m->sw && c->h == m->sh) {
-		c->x = m->sx;
-		c->y = m->sy;
-		c->border = wa->border_width;
+	c->oldbw = wa->border_width;
+	if(c->w == sw && c->h == sh) {
+		c->x = sx;
+		c->y = sy;
+		c->bw = wa->border_width;
 	}
 	else {
-		if(c->x + c->w + 2 * c->border > m->wax + m->waw)
-			c->x = m->wax + m->waw - c->w - 2 * c->border;
-		if(c->y + c->h + 2 * c->border > m->way + m->wah)
-			c->y = m->way + m->wah - c->h - 2 * c->border;
-		if(c->x < m->wax)
-			c->x = m->wax;
-		if(c->y < m->way)
-			c->y = m->way;
-		c->border = BORDERPX;
+		if(c->x + c->w + 2 * c->bw > sx + sw)
+			c->x = sx + sw - c->w - 2 * c->bw;
+		if(c->y + c->h + 2 * c->bw > sy + sh)
+			c->y = sy + sh - c->h - 2 * c->bw;
+		c->x = MAX(c->x, sx);
+		c->y = MAX(c->y, by == 0 ? bh : sy);
+		c->bw = borderpx;
 	}
-	wc.border_width = c->border;
+
+	wc.border_width = c->bw;
 	XConfigureWindow(dpy, w, CWBorderWidth, &wc);
 	XSetWindowBorder(dpy, w, dc.norm[ColBorder]);
 	configure(c); /* propagates border_width, if size doesn't change */
 	updatesizehints(c);
-	XSelectInput(dpy, w, EnterWindowMask | FocusChangeMask | PropertyChangeMask | StructureNotifyMask);
+	XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
 	grabbuttons(c, False);
 	updatetitle(c);
 	if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
 		for(t = clients; t && t->win != trans; t = t->next);
 	if(t)
-		memcpy(c->tags, t->tags, sizeof initags);
+		c->tags = t->tags;
+	else
+		applyrules(c);
 	if(!c->isfloating)
 		c->isfloating = (rettrans == Success) || c->isfixed;
 	attach(c);
@@ -1143,39 +1001,21 @@ maprequest(XEvent *e) {
 		manage(ev->window, &wa);
 }
 
-int
-monitorat() {
-	int i, x, y;
-	Window win;
-	unsigned int mask;
-
-	XQueryPointer(dpy, root, &win, &win, &x, &y, &i, &i, &mask);
-	for(i = 0; i < mcount; i++) {
-		if((x >= monitors[i].sx && x < monitors[i].sx + monitors[i].sw)
-		&& (y >= monitors[i].sy && y < monitors[i].sy + monitors[i].sh)) {
-			return i;
-		}
-	}
-	return 0;
-}
-
 void
 movemouse(Client *c) {
 	int x1, y1, ocx, ocy, di, nx, ny;
 	unsigned int dui;
-	Monitor *m;
 	Window dummy;
 	XEvent ev;
 
 	ocx = nx = c->x;
 	ocy = ny = c->y;
-	m = &monitors[c->monitor];
 	if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
-			None, cursor[CurMove], CurrentTime) != GrabSuccess)
+	None, cursor[CurMove], CurrentTime) != GrabSuccess)
 		return;
 	XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
 	for(;;) {
-		XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
+		XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
 		switch (ev.type) {
 		case ButtonRelease:
 			XUngrabPointer(dpy, CurrentTime);
@@ -1189,17 +1029,20 @@ movemouse(Client *c) {
 			XSync(dpy, False);
 			nx = ocx + (ev.xmotion.x - x1);
 			ny = ocy + (ev.xmotion.y - y1);
-			if(abs(m->wax - nx) < SNAP)
-				nx = m->wax;
-			else if(abs((m->wax + m->waw) - (nx + c->w + 2 * c->border)) < SNAP)
-				nx = m->wax + m->waw - c->w - 2 * c->border;
-			if(abs(m->way - ny) < SNAP)
-				ny = m->way;
-			else if(abs((m->way + m->wah) - (ny + c->h + 2 * c->border)) < SNAP)
-				ny = m->way + m->wah - c->h - 2 * c->border;
-			if((m->layout->arrange != floating) && (abs(nx - c->x) > SNAP || abs(ny - c->y) > SNAP))
-				togglefloating(NULL);
-			if((m->layout->arrange == floating) || c->isfloating)
+			if(snap && nx >= wx && nx <= wx + ww
+			        && ny >= wy && ny <= wy + wh) {
+				if(abs(wx - nx) < snap)
+					nx = wx;
+				else if(abs((wx + ww) - (nx + c->w + 2 * c->bw)) < snap)
+					nx = wx + ww - c->w - 2 * c->bw;
+				if(abs(wy - ny) < snap)
+					ny = wy;
+				else if(abs((wy + wh) - (ny + c->h + 2 * c->bw)) < snap)
+					ny = wy + wh - c->h - 2 * c->bw;
+				if(!c->isfloating && lt->arrange && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
+					togglefloating(NULL);
+			}
+			if(!lt->arrange || c->isfloating)
 				resize(c, nx, ny, c->w, c->h, False);
 			break;
 		}
@@ -1207,8 +1050,8 @@ movemouse(Client *c) {
 }
 
 Client *
-nexttiled(Client *c, int monitor) {
-	for(; c && (c->isfloating || !isvisible(c, monitor)); c = c->next);
+nextunfloating(Client *c) {
+	for(; c && (c->isfloating || !isvisible(c)); c = c->next);
 	return c;
 }
 
@@ -1222,19 +1065,19 @@ propertynotify(XEvent *e) {
 		return; /* ignore */
 	if((c = getclient(ev->window))) {
 		switch (ev->atom) {
-			default: break;
-			case XA_WM_TRANSIENT_FOR:
-				XGetTransientForHint(dpy, c->win, &trans);
-				if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL)))
-					arrange();
-				break;
-			case XA_WM_NORMAL_HINTS:
-				updatesizehints(c);
-				break;
-			case XA_WM_HINTS:
-				updatewmhints(c);
-				drawbar();
-				break;
+		default: break;
+		case XA_WM_TRANSIENT_FOR:
+			XGetTransientForHint(dpy, c->win, &trans);
+			if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL)))
+				arrange();
+			break;
+		case XA_WM_NORMAL_HINTS:
+			updatesizehints(c);
+			break;
+		case XA_WM_HINTS:
+			updatewmhints(c);
+			drawbar();
+			break;
 		}
 		if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
 			updatetitle(c);
@@ -1245,45 +1088,29 @@ propertynotify(XEvent *e) {
 }
 
 void
-quit(const char *arg) {
+quit(void *arg) {
 	readin = running = False;
 }
 
-void
-reapply(const char *arg) {
-	static Bool zerotags[LENGTH(tags)] = { 0 };
-	Client *c;
-
-	for(c = clients; c; c = c->next) {
-		memcpy(c->tags, zerotags, sizeof zerotags);
-		applyrules(c);
-	}
-	arrange();
-}
-
 void
 resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
-	Monitor *m;
 	XWindowChanges wc;
 
-	m = &monitors[c->monitor];
-
 	if(sizehints) {
 		/* set minimum possible */
-		if (w < 1)
-			w = 1;
-		if (h < 1)
-			h = 1;
+		w = MAX(1, w);
+		h = MAX(1, h);
 
 		/* temporarily remove base dimensions */
 		w -= c->basew;
 		h -= c->baseh;
 
 		/* adjust for aspect limits */
-		if (c->minay > 0 && c->maxay > 0 && c->minax > 0 && c->maxax > 0) {
-			if (w * c->maxay > h * c->maxax)
+		if(c->minax != c->maxax && c->minay != c->maxay 
+		&& c->minax > 0 && c->maxax > 0 && c->minay > 0 && c->maxay > 0) {
+			if(w * c->maxay > h * c->maxax)
 				w = h * c->maxax / c->maxay;
-			else if (w * c->minay < h * c->minax)
+			else if(w * c->minay < h * c->minax)
 				h = w * c->minay / c->minax;
 		}
 
@@ -1297,32 +1124,33 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
 		w += c->basew;
 		h += c->baseh;
 
-		if(c->minw > 0 && w < c->minw)
-			w = c->minw;
-		if(c->minh > 0 && h < c->minh)
-			h = c->minh;
-		if(c->maxw > 0 && w > c->maxw)
-			w = c->maxw;
-		if(c->maxh > 0 && h > c->maxh)
-			h = c->maxh;
+		w = MAX(w, c->minw);
+		h = MAX(h, c->minh);
+		
+		if (c->maxw)
+			w = MIN(w, c->maxw);
+
+		if (c->maxh)
+			h = MIN(h, c->maxh);
 	}
 	if(w <= 0 || h <= 0)
 		return;
-	if(x > m->sw)
-		x = m->sw - w - 2 * c->border;
-	if(y > m->sh)
-		y = m->sh - h - 2 * c->border;
-	if(x + w + 2 * c->border < m->sx)
-		x = m->sx;
-	if(y + h + 2 * c->border < m->sy)
-		y = m->sy;
+	if(x > sx + sw)
+		x = sw - w - 2 * c->bw;
+	if(y > sy + sh)
+		y = sh - h - 2 * c->bw;
+	if(x + w + 2 * c->bw < sx)
+		x = sx;
+	if(y + h + 2 * c->bw < sy)
+		y = sy;
 	if(c->x != x || c->y != y || c->w != w || c->h != h) {
 		c->x = wc.x = x;
 		c->y = wc.y = y;
 		c->w = wc.width = w;
 		c->h = wc.height = h;
-		wc.border_width = c->border;
-		XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
+		wc.border_width = c->bw;
+		XConfigureWindow(dpy, c->win,
+				CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
 		configure(c);
 		XSync(dpy, False);
 	}
@@ -1332,22 +1160,20 @@ void
 resizemouse(Client *c) {
 	int ocx, ocy;
 	int nw, nh;
-	Monitor *m;
 	XEvent ev;
 
 	ocx = c->x;
 	ocy = c->y;
-	m = &monitors[c->monitor];
 	if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
-			None, cursor[CurResize], CurrentTime) != GrabSuccess)
+	None, cursor[CurResize], CurrentTime) != GrabSuccess)
 		return;
-	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);
+	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
 	for(;;) {
-		XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask , &ev);
+		XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask , &ev);
 		switch(ev.type) {
 		case ButtonRelease:
 			XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
-					c->w + c->border - 1, c->h + c->border - 1);
+					c->w + c->bw - 1, c->h + c->bw - 1);
 			XUngrabPointer(dpy, CurrentTime);
 			while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 			return;
@@ -1358,13 +1184,16 @@ resizemouse(Client *c) {
 			break;
 		case MotionNotify:
 			XSync(dpy, False);
-			if((nw = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
-				nw = 1;
-			if((nh = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
-				nh = 1;
-			if((m->layout->arrange != floating) && (abs(nw - c->w) > SNAP || abs(nh - c->h) > SNAP))
-				togglefloating(NULL);
-			if((m->layout->arrange == floating) || c->isfloating)
+			nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
+			nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
+
+			if(snap && nw >= wx && nw <= wx + ww
+			        && nh >= wy && nh <= wy + wh) {
+				if(!c->isfloating && lt->arrange
+				   && (abs(nw - c->w) > snap || abs(nh - c->h) > snap))
+					togglefloating(NULL);
+			}
+			if(!lt->arrange || c->isfloating)
 				resize(c, c->x, c->y, nw, nh, True);
 			break;
 		}
@@ -1373,7 +1202,6 @@ resizemouse(Client *c) {
 
 void
 restack(void) {
-	unsigned int i;
 	Client *c;
 	XEvent ev;
 	XWindowChanges wc;
@@ -1381,23 +1209,16 @@ restack(void) {
 	drawbar();
 	if(!sel)
 		return;
-	if(sel->isfloating || (monitors[selmonitor].layout->arrange == floating))
+	if(sel->isfloating || !lt->arrange)
 		XRaiseWindow(dpy, sel->win);
-	if(monitors[selmonitor].layout->arrange != floating) {
+	if(lt->arrange) {
 		wc.stack_mode = Below;
-		wc.sibling = monitors[selmonitor].barwin;
-		if(!sel->isfloating) {
-			XConfigureWindow(dpy, sel->win, CWSibling | CWStackMode, &wc);
-			wc.sibling = sel->win;
-		}
-		for(i = 0; i < mcount; i++) {
-			for(c = nexttiled(clients, i); c; c = nexttiled(c->next, i)) {
-				if(c == sel)
-					continue;
-				XConfigureWindow(dpy, c->win, CWSibling | CWStackMode, &wc);
+		wc.sibling = barwin;
+		for(c = stack; c; c = c->snext)
+			if(!c->isfloating && isvisible(c)) {
+				XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
 				wc.sibling = c->win;
 			}
-		}
 	}
 	XSync(dpy, False);
 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
@@ -1406,7 +1227,7 @@ restack(void) {
 void
 run(void) {
 	char *p;
-	char buf[sizeof stext];
+	char sbuf[sizeof stext];
 	fd_set rd;
 	int r, xfd;
 	unsigned int len, offset;
@@ -1418,7 +1239,7 @@ run(void) {
 	readin = True;
 	offset = 0;
 	len = sizeof stext - 1;
-	buf[len] = stext[len] = '\0'; /* 0-terminator is never touched */
+	sbuf[len] = stext[len] = '\0'; /* 0-terminator is never touched */
 	while(running) {
 		FD_ZERO(&rd);
 		if(readin)
@@ -1430,7 +1251,7 @@ run(void) {
 			eprint("select failed\n");
 		}
 		if(FD_ISSET(STDIN_FILENO, &rd)) {
-			switch((r = read(STDIN_FILENO, buf + offset, len - offset))) {
+			switch((r = read(STDIN_FILENO, sbuf + offset, len - offset))) {
 			case -1:
 				strncpy(stext, strerror(errno), len);
 				readin = False;
@@ -1440,15 +1261,15 @@ run(void) {
 				readin = False;
 				break;
 			default:
-				for(p = buf + offset; r > 0; p++, r--, offset++)
+				for(p = sbuf + offset; r > 0; p++, r--, offset++)
 					if(*p == '\n' || *p == '\0') {
 						*p = '\0';
-						strncpy(stext, buf, len);
-						p += r - 1; /* p is buf + offset + r - 1 */
+						strncpy(stext, sbuf, len);
+						p += r - 1; /* p is sbuf + offset + r - 1 */
 						for(r = 0; *(p - r) && *(p - r) != '\n'; r++);
 						offset = r;
 						if(r)
-							memmove(buf, p - r + 1, r);
+							memmove(sbuf, p - r + 1, r);
 						break;
 					}
 				break;
@@ -1473,7 +1294,7 @@ scan(void) {
 	if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
 		for(i = 0; i < num; i++) {
 			if(!XGetWindowAttributes(dpy, wins[i], &wa)
-					|| wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
+			|| wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
 				continue;
 			if(wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
 				manage(wins[i], &wa);
@@ -1482,7 +1303,7 @@ scan(void) {
 			if(!XGetWindowAttributes(dpy, wins[i], &wa))
 				continue;
 			if(XGetTransientForHint(dpy, wins[i], &d1)
-					&& (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))
+			&& (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))
 				manage(wins[i], &wa);
 		}
 	}
@@ -1498,60 +1319,36 @@ setclientstate(Client *c, long state) {
 			PropModeReplace, (unsigned char *)data, 2);
 }
 
+/* arg > 1.0 will set mfact absolutly */
 void
-setlayout(const char *arg) {
-	unsigned int i;
-	Monitor *m = &monitors[monitorat()];
-
-	if(!arg) {
-		m->layout++;
-		if(m->layout == &layouts[LENGTH(layouts)])
-			m->layout = &layouts[0];
-	}
-	else {
-		for(i = 0; i < LENGTH(layouts); i++)
-			if(!strcmp(arg, layouts[i].symbol))
-				break;
-		if(i == LENGTH(layouts))
-			return;
-		m->layout = &layouts[i];
-	}
-	if(sel)
-		arrange();
-	else
-		drawbar();
-}
-
-void
-setmwfact(const char *arg) {
-	double delta;
-
-	Monitor *m = &monitors[monitorat()];
+setmfact(void *arg) {
+	double d = *((double*) arg);
 
-	if(!domwfact)
+	if(!d || lt->arrange != tile)
 		return;
-	/* arg handling, manipulate mwfact */
-	if(arg == NULL)
-		m->mwfact = MWFACT;
-	else if(sscanf(arg, "%lf", &delta) == 1) {
-		if(arg[0] == '+' || arg[0] == '-')
-			m->mwfact += delta;
-		else
-			m->mwfact = delta;
-		if(m->mwfact < 0.1)
-			m->mwfact = 0.1;
-		else if(m->mwfact > 0.9)
-			m->mwfact = 0.9;
-	}
+	d = d < 1.0 ? d + mfact : d - 1.0;
+	if(d < 0.1 || d > 0.9)
+		return;
+	mfact = d;
+	updatetilegeom();
 	arrange();
 }
 
 void
 setup(void) {
-	unsigned int i;
-	Monitor *m;
+	unsigned int i, w;
 	XSetWindowAttributes wa;
-	XineramaScreenInfo *info = NULL;
+
+	/* init screen */
+	screen = DefaultScreen(dpy);
+	root = RootWindow(dpy, screen);
+	initfont(FONT);
+	sx = 0;
+	sy = 0;
+	sw = DisplayWidth(dpy, screen);
+	sh = DisplayHeight(dpy, screen);
+	bh = dc.font.height + 2;
+	updategeom();
 
 	/* init atoms */
 	wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
@@ -1566,15 +1363,6 @@ setup(void) {
 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
 	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
 
-	// init screens/monitors first
-	mcount = 1;
-	if((isxinerama = XineramaIsActive(dpy)))
-		info = XineramaQueryScreens(dpy, &mcount);
-	monitors = emallocz(mcount * sizeof(Monitor));
-
-	screen = DefaultScreen(dpy);
-	root = RootWindow(dpy, screen);
-
 	/* init appearance */
 	dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
 	dc.norm[ColBG] = getcolor(NORMBGCOLOR);
@@ -1583,92 +1371,52 @@ setup(void) {
 	dc.sel[ColBG] = getcolor(SELBGCOLOR);
 	dc.sel[ColFG] = getcolor(SELFGCOLOR);
 	initfont(FONT);
-	dc.h = bh = dc.font.height + 2;
+	dc.h = bh;
 	dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(dpy, screen), bh, DefaultDepth(dpy, screen));
 	dc.gc = XCreateGC(dpy, root, 0, 0);
 	XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
 	if(!dc.font.set)
 		XSetFont(dpy, dc.gc, dc.font.xfont->fid);
 
-	for(blw = i = 0; i < LENGTH(layouts); i++) {
-		i = textw(layouts[i].symbol);
-		if(i > blw)
-			blw = i;
+	/* init bar */
+	for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) {
+		w = textw(layouts[i].symbol);
+		blw = MAX(blw, w);
 	}
-	for(i = 0; i < mcount; i++) {
-		/* init geometry */
-		m = &monitors[i];
-
-		if (mcount != 1 && isxinerama) {
-			m->sx = info[i].x_org;
-			m->sy = info[i].y_org;
-			m->sw = info[i].width;
-			m->sh = info[i].height;
-			fprintf(stderr, "monitor[%d]: %d,%d,%d,%d\n", i, m->sx, m->sy, m->sw, m->sh);
-		}
-		else {
-			m->sx = 0;
-			m->sy = 0;
-			m->sw = DisplayWidth(dpy, screen);
-			m->sh = DisplayHeight(dpy, screen);
-		}
 
-		m->seltags = emallocz(sizeof initags);
-		m->prevtags = emallocz(sizeof initags);
-
-		memcpy(m->seltags, initags, sizeof initags);
-		memcpy(m->prevtags, initags, sizeof initags);
-
-		/* init layouts */
-		m->mwfact = MWFACT;
-		m->layout = &layouts[0];
-
-		// TODO: bpos per screen?
-		bpos = BARPOS;
-		wa.override_redirect = 1;
-		wa.background_pixmap = ParentRelative;
-		wa.event_mask = ButtonPressMask | ExposureMask;
-
-		/* init bars */
-		m->barwin = XCreateWindow(dpy, root, m->sx, m->sy, m->sw, bh, 0,
-				DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
-				CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
-		XDefineCursor(dpy, m->barwin, cursor[CurNormal]);
-		updatebarpos(m);
-		XMapRaised(dpy, m->barwin);
-		strcpy(stext, "dwm-"VERSION);
-
-		/* EWMH support per monitor */
-		XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
-				PropModeReplace, (unsigned char *) netatom, NetLast);
-
-		/* select for events */
-		wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
-				| EnterWindowMask | LeaveWindowMask | StructureNotifyMask;
-		XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
-		XSelectInput(dpy, root, wa.event_mask);
-	}
-	if(info)
-		XFree(info);
+	wa.override_redirect = 1;
+	wa.background_pixmap = ParentRelative;
+	wa.event_mask = ButtonPressMask|ExposureMask;
 
-	/* grab keys */
-	grabkeys();
+	barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen),
+			CopyFromParent, DefaultVisual(dpy, screen),
+			CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
+	XDefineCursor(dpy, barwin, cursor[CurNormal]);
+	XMapRaised(dpy, barwin);
+	strcpy(stext, "dwm-"VERSION);
+	drawbar();
+
+	/* EWMH support per view */
+	XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
+			PropModeReplace, (unsigned char *) netatom, NetLast);
+
+	/* select for events */
+	wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
+			|EnterWindowMask|LeaveWindowMask|StructureNotifyMask;
+	XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
+	XSelectInput(dpy, root, wa.event_mask);
 
-	/* init tags */
-	compileregs();
 
-	selmonitor = monitorat();
-	fprintf(stderr, "selmonitor == %d\n", selmonitor);
+	/* grab keys */
+	grabkeys();
 }
 
 void
-spawn(const char *arg) {
+spawn(void *arg) {
 	static char *shell = NULL;
 
 	if(!shell && !(shell = getenv("SHELL")))
 		shell = "/bin/sh";
-	if(!arg)
-		return;
 	/* The double-fork construct avoids zombie processes and keeps the code
 	 * clean from stupid signal handlers. */
 	if(fork() == 0) {
@@ -1676,8 +1424,8 @@ spawn(const char *arg) {
 			if(dpy)
 				close(ConnectionNumber(dpy));
 			setsid();
-			execl(shell, shell, "-c", arg, (char *)NULL);
-			fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg);
+			execl(shell, shell, "-c", (char *)arg, (char *)NULL);
+			fprintf(stderr, "dwm: execl '%s -c %s'", shell, (char *)arg);
 			perror(" failed");
 		}
 		exit(0);
@@ -1686,15 +1434,11 @@ spawn(const char *arg) {
 }
 
 void
-tag(const char *arg) {
-	unsigned int i;
-
-	if(!sel)
-		return;
-	for(i = 0; i < LENGTH(tags); i++)
-		sel->tags[i] = (NULL == arg);
-	sel->tags[idxoftag(arg)] = True;
-	arrange();
+tag(void *arg) {
+	if(sel && *(int *)arg & TAGMASK) {
+		sel->tags = *(int *)arg & TAGMASK;
+		arrange();
+	}
 }
 
 unsigned int
@@ -1715,68 +1459,61 @@ textw(const char *text) {
 
 void
 tile(void) {
-	unsigned int i, j, n, nx, ny, nw, nh, mw, th;
-	Client *c, *mc;
-
-	domwfact = dozoom = True;
+	int x, y, h, w;
+	unsigned int i, n;
+	Client *c;
 
-	nx = ny = nw = 0; /* gcc stupidity requires this */
+	for(n = 0, c = nextunfloating(clients); c; c = nextunfloating(c->next), n++);
+	if(n == 0)
+		return;
 
-	for (i = 0; i < mcount; i++) {
-		Monitor *m = &monitors[i];
+	/* master */
+	c = nextunfloating(clients);
 
-		for(n = 0, c = nexttiled(clients, i); c; c = nexttiled(c->next, i))
-			n++;
+	if(n == 1)
+		tileresize(c, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw);
+	else
+		tileresize(c, mx, my, mw - 2 * c->bw, mh - 2 * c->bw);
 
-		/* window geoms */
-		mw = (n == 1) ? m->waw : m->mwfact * m->waw;
-		th = (n > 1) ? m->wah / (n - 1) : 0;
-		if(n > 1 && th < bh)
-			th = m->wah;
+	if(--n == 0)
+		return;
 
-		for(j = 0, c = mc = nexttiled(clients, i); c; c = nexttiled(c->next, i)) {
-			if(j == 0) { /* master */
-				nx = m->wax;
-				ny = m->way;
-				nw = mw - 2 * c->border;
-				nh = m->wah - 2 * c->border;
-			}
-			else {  /* tile window */
-				if(j == 1) {
-					ny = m->way;
-					nx += mc->w + 2 * mc->border;
-					nw = m->waw - mw - 2 * c->border;
-				}
-				if(j + 1 == n) /* remainder */
-					nh = (m->way + m->wah) - ny - 2 * c->border;
-				else
-					nh = th - 2 * c->border;
-			}
-			fprintf(stderr, "tile(%d, %d, %d, %d)\n", nx, ny, nw, nh);
-			resize(c, nx, ny, nw, nh, RESIZEHINTS);
-			if((RESIZEHINTS) && ((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 > 1 && th != m->wah)
-				ny = c->y + c->h + 2 * c->border;
-
-			j++;
-		}
+	/* tile stack */
+	x = (tx > c->x + c->w) ? c->x + c->w + 2 * c->bw : tw;
+	y = ty;
+	w = (tx > c->x + c->w) ? wx + ww - x : tw;
+	h = th / n;
+	if(h < bh)
+		h = th;
+
+	for(i = 0, c = nextunfloating(c->next); c; c = nextunfloating(c->next), i++) {
+		if(i + 1 == n) /* remainder */
+			tileresize(c, x, y, w - 2 * c->bw, (ty + th) - y - 2 * c->bw);
+		else
+			tileresize(c, x, y, w - 2 * c->bw, h - 2 * c->bw);
+		if(h != th)
+			y = c->y + c->h + 2 * c->bw;
 	}
-	fprintf(stderr, "done\n");
 }
+
+void
+tileresize(Client *c, int x, int y, int w, int h) {
+	resize(c, x, y, w, h, resizehints);
+	if(resizehints && ((c->h < bh) || (c->h > h) || (c->w < bh) || (c->w > w)))
+		/* client doesn't accept size constraints */
+		resize(c, x, y, w, h, False);
+}
+
 void
-togglebar(const char *arg) {
-	if(bpos == BarOff)
-		bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
-	else
-		bpos = BarOff;
-	updatebarpos(&monitors[monitorat()]);
+togglebar(void *arg) {
+	showbar = !showbar;
+	updategeom();
+	updatebar();
 	arrange();
 }
 
 void
-togglefloating(const char *arg) {
+togglefloating(void *arg) {
 	if(!sel)
 		return;
 	sel->isfloating = !sel->isfloating;
@@ -1786,31 +1523,49 @@ togglefloating(const char *arg) {
 }
 
 void
-toggletag(const char *arg) {
-	unsigned int i, j;
+togglelayout(void *arg) {
+	unsigned int i;
 
-	if(!sel)
-		return;
-	i = idxoftag(arg);
-	sel->tags[i] = !sel->tags[i];
-	for(j = 0; j < LENGTH(tags) && !sel->tags[j]; j++);
-	if(j == LENGTH(tags))
-		sel->tags[i] = True; /* at least one tag must be enabled */
-	arrange();
+	if(!arg) {
+		if(++lt == &layouts[LENGTH(layouts)])
+			lt = &layouts[0];
+	}
+	else {
+		for(i = 0; i < LENGTH(layouts); i++)
+			if(!strcmp((char *)arg, layouts[i].symbol))
+				break;
+		if(i == LENGTH(layouts))
+			return;
+		lt = &layouts[i];
+	}
+	if(sel)
+		arrange();
+	else
+		drawbar();
 }
 
 void
-toggleview(const char *arg) {
-	unsigned int i, j;
+toggletag(void *arg) {
+	int i, m = *(int *)arg;
+	for(i = 0; i < sizeof(int) * 8; i++)
+		fputc(m & 1 << i ? '1' : '0', stdout);
+	puts("");
+	for(i = 0; i < sizeof(int) * 8; i++)
+		fputc(TAGMASK & 1 << i ? '1' : '0', stdout);
+	puts("aaa");
 
-	Monitor *m = &monitors[monitorat()];
+	if(sel && (sel->tags ^ ((*(int *)arg) & TAGMASK))) {
+		sel->tags ^= (*(int *)arg) & TAGMASK;
+		arrange();
+	}
+}
 
-	i = idxoftag(arg);
-	m->seltags[i] = !m->seltags[i];
-	for(j = 0; j < LENGTH(tags) && !m->seltags[j]; j++);
-	if(j == LENGTH(tags))
-		m->seltags[i] = True; /* at least one tag must be viewed */
-	arrange();
+void
+toggleview(void *arg) {
+	if((tagset[seltags] ^ ((*(int *)arg) & TAGMASK))) {
+		tagset[seltags] ^= (*(int *)arg) & TAGMASK;
+		arrange();
+	}
 }
 
 void
@@ -1825,7 +1580,7 @@ void
 unmanage(Client *c) {
 	XWindowChanges wc;
 
-	wc.border_width = c->oldborder;
+	wc.border_width = c->oldbw;
 	/* The server grab construct avoids race conditions. */
 	XGrabServer(dpy);
 	XSetErrorHandler(xerrordummy);
@@ -1836,7 +1591,6 @@ unmanage(Client *c) {
 		focus(NULL);
 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
 	setclientstate(c, WithdrawnState);
-	free(c->tags);
 	free(c);
 	XSync(dpy, False);
 	XSetErrorHandler(xerror);
@@ -1854,29 +1608,46 @@ unmapnotify(XEvent *e) {
 }
 
 void
-updatebarpos(Monitor *m) {
-	XEvent ev;
+updatebar(void) {
+	if(dc.drawable != 0)
+		XFreePixmap(dpy, dc.drawable);
+	dc.drawable = XCreatePixmap(dpy, root, bw, bh, DefaultDepth(dpy, screen));
+	XMoveResizeWindow(dpy, barwin, bx, by, bw, bh);
+}
+
+void
+updategeom(void) {
+	int i;
+#ifdef XINERAMA
+	XineramaScreenInfo *info = NULL;
 
-	m->wax = m->sx;
-	m->way = m->sy;
-	m->wah = m->sh;
-	m->waw = m->sw;
-	switch(bpos) {
-	default:
-		m->wah -= bh;
-		m->way += bh;
-		XMoveWindow(dpy, m->barwin, m->sx, m->sy);
-		break;
-	case BarBot:
-		m->wah -= bh;
-		XMoveWindow(dpy, m->barwin, m->sx, m->sy + m->wah);
-		break;
-	case BarOff:
-		XMoveWindow(dpy, m->barwin, m->sx, m->sy - bh);
-		break;
+	/* window area geometry */
+	if(XineramaIsActive(dpy)) {
+		info = XineramaQueryScreens(dpy, &i);
+		wx = info[0].x_org;
+		wy = showbar && topbar ? info[0].y_org + bh : info[0].y_org;
+		ww = info[0].width;
+		wh = showbar ? info[0].height - bh : info[0].height;
+		XFree(info);
 	}
-	XSync(dpy, False);
-	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+	else
+#endif
+	{
+		wx = sx;
+		wy = showbar && topbar ? sy + bh : sy;
+		ww = sw;
+		wh = showbar ? sh - bh : sh;
+	}
+
+	/* bar geometry */
+	bx = wx;
+	by = showbar ? (topbar ? wy - bh : wy + wh) : -bh;
+	bw = ww;
+
+	/* update layout geometries */
+	for(i = 0; i < LENGTH(layouts); i++)
+		if(layouts[i].updategeom)
+			layouts[i].updategeom();
 }
 
 void
@@ -1931,6 +1702,21 @@ updatesizehints(Client *c) {
 			&& c->maxw == c->minw && c->maxh == c->minh);
 }
 
+void
+updatetilegeom(void) {
+	/* master area geometry */
+	mx = wx;
+	my = wy;
+	mw = mfact * ww;
+	mh = wh;
+
+	/* tile area geometry */
+	tx = mx + mw;
+	ty = wy;
+	tw = ww - mw;
+	th = wh;
+}
+
 void
 updatetitle(Client *c) {
 	if(!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name))
@@ -1942,11 +1728,29 @@ updatewmhints(Client *c) {
 	XWMHints *wmh;
 
 	if((wmh = XGetWMHints(dpy, c->win))) {
-		c->isurgent = (wmh->flags & XUrgencyHint) ? True : False;
+		if(c == sel)
+			sel->isurgent = False;
+		else
+			c->isurgent = (wmh->flags & XUrgencyHint) ? True : False;
 		XFree(wmh);
 	}
 }
 
+void
+view(void *arg) {
+	if(*(int *)arg & TAGMASK) {
+		seltags ^= 1; /* toggle sel tagset */
+		tagset[seltags] = *(int *)arg & TAGMASK;
+		arrange();
+	}
+}
+
+void
+viewprevtag(void *arg) {
+	seltags ^= 1; /* toggle sel tagset */
+	arrange();
+}
+
 /* There's no way to check accesses to destroyed windows, thus those cases are
  * ignored (especially on UnmapNotify's).  Other types of errors call Xlibs
  * default error handler, which may call exit.  */
@@ -1958,95 +1762,47 @@ xerror(Display *dpy, XErrorEvent *ee) {
 	|| (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
 	|| (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
 	|| (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
+	|| (ee->request_code == X_GrabButton && ee->error_code == BadAccess)
 	|| (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
 	|| (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
 		return 0;
 	fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
-		ee->request_code, ee->error_code);
+			ee->request_code, ee->error_code);
 	return xerrorxlib(dpy, ee); /* may call exit */
 }
 
 int
-xerrordummy(Display *dsply, XErrorEvent *ee) {
+xerrordummy(Display *dpy, XErrorEvent *ee) {
 	return 0;
 }
 
 /* Startup Error handler to check if another window manager
  * is already running. */
 int
-xerrorstart(Display *dsply, XErrorEvent *ee) {
+xerrorstart(Display *dpy, XErrorEvent *ee) {
 	otherwm = True;
 	return -1;
 }
 
 void
-view(const char *arg) {
-	unsigned int i;
-	Bool tmp[LENGTH(tags)];
-	Monitor *m = &monitors[monitorat()];
-
-	for(i = 0; i < LENGTH(tags); i++)
-		tmp[i] = (NULL == arg);
-	tmp[idxoftag(arg)] = True;
-	if(memcmp(m->seltags, tmp, sizeof initags) != 0) {
-		memcpy(m->prevtags, m->seltags, sizeof initags);
-		memcpy(m->seltags, tmp, sizeof initags);
-		arrange();
-	}
-}
-
-void
-viewprevtag(const char *arg) {
-	static Bool tmp[LENGTH(tags)];
-
-	Monitor *m = &monitors[monitorat()];
-
-	memcpy(tmp, m->seltags, sizeof initags);
-	memcpy(m->seltags, m->prevtags, sizeof initags);
-	memcpy(m->prevtags, tmp, sizeof initags);
-	arrange();
-}
-
-void
-zoom(const char *arg) {
+zoom(void *arg) {
 	Client *c = sel;
 
-	if(!sel || !dozoom || sel->isfloating)
-		return;
-	if(c == nexttiled(clients, c->monitor))
-		if(!(c = nexttiled(c->next, c->monitor)))
+	if(c == nextunfloating(clients))
+		if(!c || !(c = nextunfloating(c->next)))
 			return;
-	detach(c);
-	attach(c);
-	focus(c);
-	arrange();
-}
-
-void
-movetomonitor(const char *arg) {
-	if (sel) {
-		sel->monitor = arg ? atoi(arg) : (sel->monitor+1) % mcount;
-
-		memcpy(sel->tags, monitors[sel->monitor].seltags, sizeof initags);
-		resize(sel, monitors[sel->monitor].wax, monitors[sel->monitor].way, sel->w, sel->h, True);
-		arrange();
+	if(lt->arrange == tile && !sel->isfloating) {
+		detach(c);
+		attach(c);
+		focus(c);
 	}
+	arrange();
 }
 
-void
-selectmonitor(const char *arg) {
-	Monitor *m = &monitors[arg ? atoi(arg) : (monitorat()+1) % mcount];
-
-	XWarpPointer(dpy, None, root, 0, 0, 0, 0, m->wax+m->waw/2, m->way+m->wah/2);
-	focus(NULL);
-}
-
-
 int
 main(int argc, char *argv[]) {
 	if(argc == 2 && !strcmp("-v", argv[1]))
-		eprint("dwm-"VERSION", © 2006-2007 Anselm R. Garbe, Sander van Dijk, "
-		       "Jukka Salmi, Premysl Hruby, Szabolcs Nagy, Christof Musik\n");
+		eprint("dwm-"VERSION", © 2006-2008 dwm engineers, see LICENSE for details\n");
 	else if(argc != 1)
 		eprint("usage: dwm [-v]\n");
 
@@ -2056,7 +1812,6 @@ main(int argc, char *argv[]) {
 
 	checkotherwm();
 	setup();
-	drawbar();
 	scan();
 	run();
 	cleanup();