X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/d5178292edebb0db2cf9f22aaf1a8effe7529aae..d7cc0f641664a7d5d005d34ccdde50cabf97bd55:/dwm.c

diff --git a/dwm.c b/dwm.c
index f477847..009118d 100644
--- a/dwm.c
+++ b/dwm.c
@@ -33,44 +33,40 @@
 #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
-#include <X11/extensions/Xinerama.h>
-//#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)
 
 /* 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 { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */
 
 /* typedefs */
-typedef struct View View;
 typedef struct Client Client;
 struct Client {
 	char name[256];
 	int x, y, w, h;
+	int fx, fy, fw, fh;
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
 	int minax, maxax, minay, maxay;
-	int *tags;
 	long flags;
-	unsigned int border, oldborder;
+	unsigned int bw, oldbw;
 	Bool isbanned, isfixed, isfloating, isurgent;
+	Bool *tags;
 	Client *next;
 	Client *prev;
 	Client *snext;
@@ -101,23 +97,18 @@ typedef struct {
 
 typedef struct {
 	const char *symbol;
-	void (*arrange)(View *);
+	void (*arrange)(void);
+	Bool isfloating;
 } Layout;
 
 typedef struct {
-	const char *prop;
+	const char *class;
+	const char *instance;
+	const char *title;
 	const char *tag;
 	Bool isfloating;
 } Rule;
 
-struct View {
-	int id;
-	int x, y, w, h, wax, way, wah, waw;
-	double mwfact;
-	Layout *layout;
-	Window barwin;
-};
-
 /* function declarations */
 void applyrules(Client *c);
 void arrange(void);
@@ -130,68 +121,71 @@ void cleanup(void);
 void configure(Client *c);
 void configurenotify(XEvent *e);
 void configurerequest(XEvent *e);
+unsigned int counttiled(void);
 void destroynotify(XEvent *e);
 void detach(Client *c);
 void detachstack(Client *c);
-void drawbar(View *v);
-void drawsquare(View *v, Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]);
-void drawtext(View *v, const char *text, unsigned long col[ColLast], Bool invert);
+void drawbar(void);
+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(View *v); /* default floating layout */
 void focus(Client *c);
 void focusin(XEvent *e);
 void focusnext(const char *arg);
 void focusprev(const char *arg);
 Client *getclient(Window w);
 unsigned long getcolor(const char *colstr);
-View *getviewbar(Window barwin);
-View *getview(Client *c);
 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);
+unsigned int idxoftag(const char *t);
 void initfont(const char *fontstr);
 Bool isoccupied(unsigned int t);
 Bool isprotodel(Client *c);
 Bool isurgent(unsigned int t);
-Bool isvisible(Client *c);
+Bool isvisible(Client *c, Bool *cmp);
 void keypress(XEvent *e);
 void killclient(const char *arg);
 void manage(Window w, XWindowAttributes *wa);
 void mappingnotify(XEvent *e);
 void maprequest(XEvent *e);
-View *viewat(void);
+void monocle(void);
 void movemouse(Client *c);
-Client *nexttiled(Client *c, View *v);
+Client *nexttiled(Client *c);
 void propertynotify(XEvent *e);
 void quit(const char *arg);
 void reapply(const char *arg);
 void resize(Client *c, int x, int y, int w, int h, Bool sizehints);
 void resizemouse(Client *c);
-void restack(View *v);
+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(const char *arg);
 void setup(void);
 void spawn(const char *arg);
 void tag(const char *arg);
 unsigned int textnw(const char *text, unsigned int len);
 unsigned int textw(const char *text);
-void tile(View *v);
-void togglebar(const char *arg);
+void tileh(void);
+void tilehstack(unsigned int n);
+Client *tilemaster(unsigned int n);
+void tileresize(Client *c, int x, int y, int w, int h);
+void tilev(void);
+void tilevstack(unsigned int n);
 void togglefloating(const char *arg);
 void toggletag(const char *arg);
 void toggleview(const char *arg);
 void unban(Client *c);
 void unmanage(Client *c);
 void unmapnotify(XEvent *e);
-void updatebarpos(View *v);
+void updatebar(void);
+void updategeom(void);
 void updatesizehints(Client *c);
 void updatetitle(Client *c);
 void updatewmhints(Client *c);
@@ -201,18 +195,14 @@ int xerror(Display *dpy, XErrorEvent *ee);
 int xerrordummy(Display *dpy, XErrorEvent *ee);
 int xerrorstart(Display *dpy, XErrorEvent *ee);
 void zoom(const char *arg);
-void selectview(const char *arg);
 
 /* variables */
-char stext[256], buf[256];
-int nviews = 1;
-View *selview;
-int screen;
-int *seltags;
-int *prevtags;
+char stext[256];
+int screen, sx, sy, sw, sh;
 int (*xerrorxlib)(Display *, XErrorEvent *);
-unsigned int bh, bpos;
-unsigned int blw = 0;
+int bx, by, bw, bh, blw, mx, my, mw, mh, tx, ty, tw, th, wx, wy, ww, wh;
+int seltags = 0;
+double mfact;
 unsigned int numlockmask = 0;
 void (*handler[LASTEvent]) (XEvent *) = {
 	[ButtonPress] = buttonpress,
@@ -229,46 +219,43 @@ 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;
+Bool *tagset[2];
 Client *clients = NULL;
 Client *sel = NULL;
 Client *stack = NULL;
 Cursor cursor[CurLast];
 Display *dpy;
 DC dc = {0};
-View *views;
-Window root;
+Layout layouts[];
+Layout *lt = layouts;
+Window root, barwin;
 
 /* configuration, allows nested code to access above variables */
 #include "config.h"
+#define TAGSZ (LENGTH(tags) * sizeof(Bool))
 
 /* function implementations */
+
 void
 applyrules(Client *c) {
 	unsigned int i;
-	Bool matched_tag = False;
+	Bool matched = False;
 	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++) {
 		r = &rules[i];
-		if(strstr(c->name, r->prop)
-		|| (ch.res_class && strstr(ch.res_class, r->prop))
-		|| (ch.res_name && strstr(ch.res_name, r->prop)))
-		{
+		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;
 			if(r->tag) {
-				matched_tag = True;
-				c->tags[idxoftag(r->tag)] = selview->id;
+				c->tags[idxoftag(r->tag)] = True;
+				matched = True;
 			}
 		}
 	}
@@ -276,28 +263,27 @@ applyrules(Client *c) {
 		XFree(ch.res_class);
 	if(ch.res_name)
 		XFree(ch.res_name);
-	if(!matched_tag)
-		memcpy(c->tags, seltags, sizeof initags);
+	if(!matched)
+		memcpy(c->tags, tagset[seltags], TAGSZ);
 }
 
-
-
 void
 arrange(void) {
-	unsigned int i;
 	Client *c;
 
 	for(c = clients; c; c = c->next)
-		if(isvisible(c))
+		if(isvisible(c, NULL)) {
 			unban(c);
+			if(lt->isfloating || c->isfloating)
+				resize(c, c->fx, c->fy, c->fw, c->fh, True);
+		}
 		else
 			ban(c);
 
-	for(i = 0; i < nviews; i++) {
-		views[i].layout->arrange(&views[i]);
-		restack(&views[i]);
-	}
 	focus(NULL);
+	if(lt->arrange)
+		lt->arrange();
+	restack();
 }
 
 void
@@ -318,7 +304,7 @@ void
 ban(Client *c) {
 	if(c->isbanned)
 		return;
-	XMoveWindow(dpy, c->win, c->x + 3 * getview(c)->w, c->y);
+	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
 	c->isbanned = True;
 }
 
@@ -328,9 +314,7 @@ buttonpress(XEvent *e) {
 	Client *c;
 	XButtonPressedEvent *ev = &e->xbutton;
 
-	View *v = selview;
-
-	if(ev->window == v->barwin) {
+	if(ev->window == barwin) {
 		x = 0;
 		for(i = 0; i < LENGTH(tags); i++) {
 			x += textw(tags[i]);
@@ -350,7 +334,7 @@ buttonpress(XEvent *e) {
 				return;
 			}
 		}
-		if((ev->x < x + blw) && ev->button == Button1)
+		if((ev->x < x + blw) && ev->button == Button1) 
 			setlayout(NULL);
 	}
 	else if((c = getclient(ev->window))) {
@@ -358,17 +342,17 @@ buttonpress(XEvent *e) {
 		if(CLEANMASK(ev->state) != MODKEY)
 			return;
 		if(ev->button == Button1) {
-			restack(getview(c));
+			restack();
 			movemouse(c);
 		}
 		else if(ev->button == Button2) {
-			if((floating != v->layout->arrange) && c->isfloating)
+			if(!lt->isfloating && c->isfloating)
 				togglefloating(NULL);
 			else
 				zoom(NULL);
 		}
 		else if(ev->button == Button3 && !c->isfixed) {
-			restack(getview(c));
+			restack();
 			resizemouse(c);
 		}
 	}
@@ -392,7 +376,6 @@ checkotherwm(void) {
 
 void
 cleanup(void) {
-	unsigned int i;
 	close(STDIN_FILENO);
 	while(stack) {
 		unban(stack);
@@ -402,15 +385,13 @@ 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 < nviews; i++)
-		XDestroyWindow(dpy, views[i].barwin);
+	XDestroyWindow(dpy, barwin);
 	XSync(dpy, False);
 	XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
 }
@@ -427,7 +408,7 @@ 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);
@@ -436,16 +417,12 @@ configure(Client *c) {
 void
 configurenotify(XEvent *e) {
 	XConfigureEvent *ev = &e->xconfigure;
-	View *v = selview;
 
-	if(ev->window == root && (ev->width != v->w || ev->height != v->h)) {
-		/* TODO -- update Xinerama dimensions here */
-		v->w = ev->width;
-		v->h = ev->height;
-		XFreePixmap(dpy, dc.drawable);
-		dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(root, screen), bh, DefaultDepth(dpy, screen));
-		XResizeWindow(dpy, v->barwin, v->w, bh);
-		updatebarpos(v);
+	if(ev->window == root && (ev->width != sw || ev->height != sh)) {
+		sw = ev->width;
+		sh = ev->height;
+		updategeom();
+		updatebar();
 		arrange();
 	}
 }
@@ -457,26 +434,25 @@ configurerequest(XEvent *e) {
 	XWindowChanges wc;
 
 	if((c = getclient(ev->window))) {
-		View *v = getview(c);
 		if(ev->value_mask & CWBorderWidth)
-			c->border = ev->border_width;
-		if(c->isfixed || c->isfloating || (floating == v->layout->arrange)) {
+			c->bw = ev->border_width;
+		if(c->isfixed || c->isfloating || lt->isfloating) {
 			if(ev->value_mask & CWX)
-				c->x = v->x + ev->x;
+				c->x = sx + ev->x;
 			if(ev->value_mask & CWY)
-				c->y = v->y + 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 - v->x + c->w) > v->w && c->isfloating)
-				c->x = v->x + (v->w / 2 - c->w / 2); /* center in x direction */
-			if((c->y - v->y + c->h) > v->h && c->isfloating)
-				c->y = v->y + (v->h / 2 - c->h / 2); /* center in y direction */
+			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))
+			if(isvisible(c, NULL))
 				XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
 		}
 		else
@@ -495,6 +471,15 @@ configurerequest(XEvent *e) {
 	XSync(dpy, False);
 }
 
+unsigned int
+counttiled(void) {
+	unsigned int n;
+	Client *c;
+
+	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next), n++);
+	return n;
+}
+
 void
 destroynotify(XEvent *e) {
 	Client *c;
@@ -524,53 +509,53 @@ detachstack(Client *c) {
 }
 
 void
-drawbar(View *v) {
+drawbar(void) {
 	int i, x;
 	Client *c;
 
 	dc.x = 0;
-	for(c = stack; c && (!isvisible(c) || getview(c) != v); c = c->snext);
+	for(c = stack; c && !isvisible(c, NULL); c = c->snext);
 	for(i = 0; i < LENGTH(tags); i++) {
 		dc.w = textw(tags[i]);
-		if(seltags[i] && seltags[i] == v->id) {
-			drawtext(v, tags[i], dc.sel, isurgent(i));
-			drawsquare(v, c && c->tags[i], isoccupied(i), isurgent(i), dc.sel);
+		if(tagset[seltags][i]) {
+			drawtext(tags[i], dc.sel, isurgent(i));
+			drawsquare(c && c->tags[i], isoccupied(i), isurgent(i), dc.sel);
 		}
 		else {
-			drawtext(v, tags[i], dc.norm, isurgent(i));
-			drawsquare(v, c && c->tags[i], isoccupied(i), isurgent(i), dc.norm);
+			drawtext(tags[i], dc.norm, isurgent(i));
+			drawsquare(c && c->tags[i], isoccupied(i), isurgent(i), dc.norm);
 		}
 		dc.x += dc.w;
 	}
-	dc.w = blw;
-	drawtext(v, v->layout->symbol, dc.norm, False);
-	x = dc.x + dc.w;
-	if(v == selview) {
-		dc.w = textw(stext);
-		dc.x = v->w - dc.w;
-		if(dc.x < x) {
-			dc.x = x;
-			dc.w = v->w - x;
-		}
-		drawtext(v, stext, dc.norm, False);
+	if(blw > 0) {
+		dc.w = blw;
+		drawtext(lt->symbol, dc.norm, False);
+		x = dc.x + dc.w;
 	}
 	else
-		dc.x = v->w;
+		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(v, c->name, dc.sel, False);
-			drawsquare(v, False, c->isfloating, False, dc.sel);
+			drawtext(c->name, dc.sel, False);
+			drawsquare(False, c->isfloating, False, dc.sel);
 		}
 		else
-			drawtext(v, NULL, dc.norm, False);
+			drawtext(NULL, dc.norm, False);
 	}
-	XCopyArea(dpy, dc.drawable, v->barwin, dc.gc, 0, 0, v->w, bh, 0, 0);
+	XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
 	XSync(dpy, False);
 }
 
 void
-drawsquare(View *v, 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 };
@@ -591,27 +576,27 @@ drawsquare(View *v, Bool filled, Bool empty, Bool invert, unsigned long col[ColL
 }
 
 void
-drawtext(View *v, const char *text, unsigned long col[ColLast], Bool invert) {
+drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
 	int x, y, w, h;
 	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] = '.';
@@ -620,8 +605,6 @@ drawtext(View *v, 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);
@@ -643,10 +626,8 @@ 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
@@ -665,34 +646,16 @@ eprint(const char *errstr, ...) {
 
 void
 expose(XEvent *e) {
-	View *v;
 	XExposeEvent *ev = &e->xexpose;
 
-	if(ev->count == 0 && (v = getviewbar(ev->window)))
-		drawbar(v);
-}
-
-void
-floating(View *v) { /* default floating layout */
-	Client *c;
-
-	domwfact = dozoom = False;
-	for(c = clients; c; c = c->next)
-		if(isvisible(c))
-			resize(c, c->x, c->y, c->w, c->h, True);
+	if(ev->count == 0 && (ev->window == barwin))
+		drawbar();
 }
 
 void
 focus(Client *c) {
-	View *v = selview;
-	if(c)
-		selview = getview(c);
-	else
-		selview = viewat();
-	if(selview != v)
-		drawbar(v);
-	if(!c || (c && !isvisible(c)))
-		for(c = stack; c && (!isvisible(c) || getview(c) != selview); c = c->snext);
+	if(!c || (c && !isvisible(c, NULL)))
+		for(c = stack; c && !isvisible(c, NULL); c = c->snext);
 	if(sel && sel != c) {
 		grabbuttons(sel, False);
 		XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
@@ -706,11 +669,10 @@ focus(Client *c) {
 	if(c) {
 		XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
 		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
-		selview = getview(c);
 	}
 	else
 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
-	drawbar(selview);
+	drawbar();
 }
 
 void
@@ -727,12 +689,12 @@ focusnext(const char *arg) {
 
 	if(!sel)
 		return;
-	for(c = sel->next; c && !isvisible(c); c = c->next);
+	for(c = sel->next; c && !isvisible(c, arg ? sel->tags : NULL); c = c->next);
 	if(!c)
-		for(c = clients; c && !isvisible(c); c = c->next);
+		for(c = clients; c && !isvisible(c, arg ? sel->tags : NULL); c = c->next);
 	if(c) {
 		focus(c);
-		restack(getview(c));
+		restack();
 	}
 }
 
@@ -742,14 +704,14 @@ focusprev(const char *arg) {
 
 	if(!sel)
 		return;
-	for(c = sel->prev; c && !isvisible(c); c = c->prev);
+	for(c = sel->prev; c && !isvisible(c, arg ? sel->tags : NULL); c = c->prev);
 	if(!c) {
 		for(c = clients; c && c->next; c = c->next);
-		for(; c && !isvisible(c); c = c->prev);
+		for(; c && !isvisible(c, arg ? sel->tags : NULL); c = c->prev);
 	}
 	if(c) {
 		focus(c);
-		restack(getview(c));
+		restack();
 	}
 }
 
@@ -771,26 +733,6 @@ getcolor(const char *colstr) {
 	return color.pixel;
 }
 
-View *
-getviewbar(Window barwin) {
-	unsigned int i;
-
-	for(i = 0; i < nviews; i++)
-		if(views[i].barwin == barwin)
-			return &views[i];
-	return NULL;
-}
-
-View *
-getview(Client *c) {
-	unsigned int i;
-
-	for(i = 0; i < LENGTH(tags); i++)
-		if(c->tags[i])
-			return &views[c->tags[i] - 1];
-	return &views[0]; /* fallback */
-}
-
 long
 getstate(Window w) {
 	int format, status;
@@ -837,43 +779,24 @@ 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;
@@ -902,10 +825,10 @@ grabkeys(void)  {
 }
 
 unsigned int
-idxoftag(const char *tag) {
+idxoftag(const char *t) {
 	unsigned int i;
 
-	for(i = 0; (i < LENGTH(tags)) && (tags[i] != tag); i++);
+	for(i = 0; (i < LENGTH(tags)) && t && strcmp(tags[i], t); i++);
 	return (i < LENGTH(tags)) ? i : 0;
 }
 
@@ -931,10 +854,8 @@ 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++;
 		}
 	}
@@ -987,11 +908,13 @@ isurgent(unsigned int t) {
 }
 
 Bool
-isvisible(Client *c) {
+isvisible(Client *c, Bool *cmp) {
 	unsigned int i;
 
+	if(!cmp)
+		cmp = tagset[seltags];
 	for(i = 0; i < LENGTH(tags); i++)
-		if(c->tags[i] && seltags[i])
+		if(c->tags[i] && cmp[i])
 			return True;
 	return False;
 }
@@ -1035,42 +958,38 @@ killclient(const char *arg) {
 void
 manage(Window w, XWindowAttributes *wa) {
 	Client *c, *t = NULL;
-	View *v;
 	Status rettrans;
 	Window trans;
 	XWindowChanges wc;
 
 	c = emallocz(sizeof(Client));
-	c->tags = emallocz(sizeof initags);
+	c->tags = emallocz(TAGSZ);
 	c->win = w;
 
-	applyrules(c);
-
-	v = getview(c);
-
-	c->x = wa->x + v->x;
-	c->y = wa->y + v->y;
-	c->w = wa->width;
-	c->h = wa->height;
-	c->oldborder = wa->border_width;
-
-	if(c->w == v->w && c->h == v->h) {
-		c->x = v->x;
-		c->y = v->y;
-		c->border = wa->border_width;
+	/* geometry */
+	c->x = wa->x;
+	c->y = wa->y;
+	c->w = c->fw = wa->width;
+	c->h = c->fh = wa->height;
+	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 > v->wax + v->waw)
-			c->x = v->wax + v->waw - c->w - 2 * c->border;
-		if(c->y + c->h + 2 * c->border > v->way + v->wah)
-			c->y = v->way + v->wah - c->h - 2 * c->border;
-		if(c->x < v->wax)
-			c->x = v->wax;
-		if(c->y < v->way)
-			c->y = v->way;
-		c->border = BORDERPX;
+		if(c->x + c->w + 2 * c->bw > wx + ww)
+			c->x = wx + ww - c->w - 2 * c->bw;
+		if(c->y + c->h + 2 * c->bw > wy + wh)
+			c->y = wy + wh - c->h - 2 * c->bw;
+		c->x = MAX(c->x, wx);
+		c->y = MAX(c->y, wy);
+		c->bw = BORDERPX;
 	}
-	wc.border_width = c->border;
+	c->fx = c->x;
+	c->fy = c->y;
+
+	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 */
@@ -1081,7 +1000,9 @@ manage(Window w, XWindowAttributes *wa) {
 	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);
+		memcpy(c->tags, t->tags, TAGSZ);
+	else
+		applyrules(c);
 	if(!c->isfloating)
 		c->isfloating = (rettrans == Success) || c->isfixed;
 	attach(c);
@@ -1115,19 +1036,26 @@ maprequest(XEvent *e) {
 		manage(ev->window, &wa);
 }
 
+void
+monocle(void) {
+	Client *c;
+
+	for(c = clients; c; c = c->next)
+		if((lt->isfloating || !c->isfloating) && isvisible(c, NULL))
+			resize(c, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw, RESIZEHINTS);
+}
+
 void
 movemouse(Client *c) {
 	int x1, y1, ocx, ocy, di, nx, ny;
 	unsigned int dui;
-	View *v;
 	Window dummy;
 	XEvent ev;
 
 	ocx = nx = c->x;
 	ocy = ny = c->y;
-	v = getview(c);
 	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(;;) {
@@ -1145,26 +1073,29 @@ movemouse(Client *c) {
 			XSync(dpy, False);
 			nx = ocx + (ev.xmotion.x - x1);
 			ny = ocy + (ev.xmotion.y - y1);
-			if(abs(v->wax - nx) < SNAP)
-				nx = v->wax;
-			else if(abs((v->wax + v->waw) - (nx + c->w + 2 * c->border)) < SNAP)
-				nx = v->wax + v->waw - c->w - 2 * c->border;
-			if(abs(v->way - ny) < SNAP)
-				ny = v->way;
-			else if(abs((v->way + v->wah) - (ny + c->h + 2 * c->border)) < SNAP)
-				ny = v->way + v->wah - c->h - 2 * c->border;
-			if(!c->isfloating && (v->layout->arrange != floating) && (abs(nx - c->x) > SNAP || abs(ny - c->y) > SNAP))
+			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->isfloating && (abs(nx - c->x) > SNAP || abs(ny - c->y) > SNAP))
 				togglefloating(NULL);
-			if((v->layout->arrange == floating) || c->isfloating)
+			if(lt->isfloating || c->isfloating) {
+				c->fx = nx;
+				c->fy = ny;
 				resize(c, nx, ny, c->w, c->h, False);
+			}
 			break;
 		}
 	}
 }
 
 Client *
-nexttiled(Client *c, View *v) {
-	for(; c && (c->isfloating || getview(c) != v || !isvisible(c)); c = c->next);
+nexttiled(Client *c) {
+	for(; c && (c->isfloating || !isvisible(c, NULL)); c = c->next);
 	return c;
 }
 
@@ -1189,13 +1120,13 @@ propertynotify(XEvent *e) {
 			break;
 		case XA_WM_HINTS:
 			updatewmhints(c);
-			drawbar(getview(c));
+			drawbar();
 			break;
 		}
 		if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
 			updatetitle(c);
 			if(c == sel)
-				drawbar(selview);
+				drawbar();
 		}
 	}
 }
@@ -1207,11 +1138,10 @@ quit(const char *arg) {
 
 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);
+		memset(c->tags, 0, TAGSZ);
 		applyrules(c);
 	}
 	arrange();
@@ -1219,26 +1149,24 @@ reapply(const char *arg) {
 
 void
 resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
-	View *v;
 	XWindowChanges wc;
 
-	v = getview(c);
 	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;
 		}
 
@@ -1252,31 +1180,31 @@ 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 > v->x + v->w)
-		x = v->w - w - 2 * c->border;
-	if(y > v->y + v->h)
-		y = v->h - h - 2 * c->border;
-	if(x + w + 2 * c->border < v->x)
-		x = v->x;
-	if(y + h + 2 * c->border < v->y)
-		y = v->y;
+	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;
+		wc.border_width = c->bw;
 		XConfigureWindow(dpy, c->win,
 				CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
 		configure(c);
@@ -1288,22 +1216,20 @@ void
 resizemouse(Client *c) {
 	int ocx, ocy;
 	int nw, nh;
-	View *v;
 	XEvent ev;
 
 	ocx = c->x;
 	ocy = c->y;
-	v = getview(c);
 	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);
 		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;
@@ -1314,43 +1240,42 @@ 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(!c->isfloating && (v->layout->arrange != floating) && (abs(nw - c->w) > SNAP || abs(nh - c->h) > SNAP))
+			nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
+			nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
+			if(!c->isfloating && !lt->isfloating && (abs(nw - c->w) > SNAP || abs(nh - c->h) > SNAP)) {
+				c->fx = c->x;
+				c->fy = c->y;
 				togglefloating(NULL);
-			if((v->layout->arrange == floating) || c->isfloating)
+			}
+			if((lt->isfloating) || c->isfloating) {
 				resize(c, c->x, c->y, nw, nh, True);
+				c->fw = nw;
+				c->fh = nh;
+			}
 			break;
 		}
 	}
 }
 
 void
-restack(View *v) {
+restack(void) {
 	Client *c;
 	XEvent ev;
 	XWindowChanges wc;
 
-	drawbar(v);
+	drawbar();
 	if(!sel)
 		return;
-	if(sel->isfloating || (v->layout->arrange == floating))
+	if(sel->isfloating || lt->isfloating)
 		XRaiseWindow(dpy, sel->win);
-	if(v->layout->arrange != floating) {
+	if(!lt->isfloating) {
 		wc.stack_mode = Below;
-		wc.sibling = v->barwin;
-		if(!sel->isfloating) {
-			XConfigureWindow(dpy, sel->win, CWSibling|CWStackMode, &wc);
-			wc.sibling = sel->win;
-		}
-		for(c = nexttiled(clients, v); c; c = nexttiled(c->next, v)) {
-			if(c == sel)
-				continue;
-			XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
-			wc.sibling = c->win;
-		}
+		wc.sibling = barwin;
+		for(c = stack; c; c = c->snext)
+			if(!c->isfloating && isvisible(c, NULL)) {
+				XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
+				wc.sibling = c->win;
+			}
 	}
 	XSync(dpy, False);
 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
@@ -1406,7 +1331,7 @@ run(void) {
 					}
 				break;
 			}
-			drawbar(selview);
+			drawbar();
 		}
 		while(XPending(dpy)) {
 			XNextEvent(dpy, &ev);
@@ -1426,7 +1351,7 @@ 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);
@@ -1435,7 +1360,7 @@ 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);
 		}
 	}
@@ -1454,12 +1379,10 @@ setclientstate(Client *c, long state) {
 void
 setlayout(const char *arg) {
 	unsigned int i;
-	View *v = selview;
 
 	if(!arg) {
-		v->layout++;
-		if(v->layout == &layouts[LENGTH(layouts)])
-			v->layout = &layouts[0];
+		if(++lt == &layouts[LENGTH(layouts)])
+			lt = &layouts[0];
 	}
 	else {
 		for(i = 0; i < LENGTH(layouts); i++)
@@ -1467,44 +1390,50 @@ setlayout(const char *arg) {
 				break;
 		if(i == LENGTH(layouts))
 			return;
-		v->layout = &layouts[i];
+		lt = &layouts[i];
 	}
 	if(sel)
 		arrange();
 	else
-		drawbar(v);
+		drawbar();
 }
 
 void
-setmwfact(const char *arg) {
-	double delta;
-
-	View *v = selview;
+setmfact(const char *arg) {
+	double d;
 
-	if(!domwfact)
+	if(lt->isfloating)
 		return;
-	/* arg handling, manipulate mwfact */
-	if(arg == NULL)
-		v->mwfact = MWFACT;
-	else if(sscanf(arg, "%lf", &delta) == 1) {
-		if(arg[0] == '+' || arg[0] == '-')
-			v->mwfact += delta;
-		else
-			v->mwfact = delta;
-		if(v->mwfact < 0.1)
-			v->mwfact = 0.1;
-		else if(v->mwfact > 0.9)
-			v->mwfact = 0.9;
+	if(!arg)
+		mfact = MFACT;
+	else {
+		d = strtod(arg, NULL);
+		if(arg[0] == '-' || arg[0] == '+')
+			d += mfact;
+		if(d < 0.1 || d > 0.9)
+			return;
+		mfact = d;
 	}
+	updategeom();
 	arrange();
 }
 
 void
 setup(void) {
-	unsigned int i;
-	View *v;
+	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;
+	mfact = MFACT;
+	updategeom();
 
 	/* init atoms */
 	wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
@@ -1519,17 +1448,6 @@ setup(void) {
 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
 	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
 
-	if((isxinerama = XineramaIsActive(dpy)))
-		info = XineramaQueryScreens(dpy, &nviews);
-#if defined(AIM_XINERAMA)
-isxinerama = True;
-nviews = 2; /* aim Xinerama */
-#endif
-	selview = views = emallocz(nviews * sizeof(View));
-
-	screen = DefaultScreen(dpy);
-	root = RootWindow(dpy, screen);
-
 	/* init appearance */
 	dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
 	dc.norm[ColBG] = getcolor(NORMBGCOLOR);
@@ -1538,88 +1456,49 @@ nviews = 2; /* aim Xinerama */
 	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 tags */
+	tagset[0] = emallocz(TAGSZ);
+	tagset[1] = emallocz(TAGSZ);
+	tagset[0][0] = tagset[1][0] = True;
+
+	/* init bar */
+	for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) {
+		w = textw(layouts[i].symbol);
+		blw = MAX(blw, w);
 	}
 
-	seltags = emallocz(sizeof initags);
-	prevtags = emallocz(sizeof initags);
-	memcpy(seltags, initags, sizeof initags);
-	memcpy(prevtags, initags, sizeof initags);
-
-	for(i = 0; i < nviews; i++) {
-		/* init geometry */
-		v = &views[i];
-		v->id = i + 1;
-
-		if(nviews != 1 && isxinerama) {
-
-#if defined(AIM_XINERAMA)
-v->w = DisplayWidth(dpy, screen) / 2;
-v->x = (i == 0) ? 0 : v->w;
-v->y = 0;
-v->h = DisplayHeight(dpy, screen);
-#else
-			v->x = info[i].x_org;
-			v->y = info[i].y_org;
-			v->w = info[i].width;
-			v->h = info[i].height;
-#endif
-		}
-		else {
-			v->x = 0;
-			v->y = 0;
-			v->w = DisplayWidth(dpy, screen);
-			v->h = DisplayHeight(dpy, screen);
-		}
+	wa.override_redirect = 1;
+	wa.background_pixmap = ParentRelative;
+	wa.event_mask = ButtonPressMask|ExposureMask;
+
+	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 layouts */
-		v->mwfact = MWFACT;
-		v->layout = &layouts[0];
-
-		// TODO: bpos per screen?
-		bpos = BARPOS;
-		wa.override_redirect = 1;
-		wa.background_pixmap = ParentRelative;
-		wa.event_mask = ButtonPressMask|ExposureMask;
-
-		/* init bars */
-		v->barwin = XCreateWindow(dpy, root, v->x, v->y, v->w, bh, 0,
-				DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
-				CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
-		XDefineCursor(dpy, v->barwin, cursor[CurNormal]);
-		updatebarpos(v);
-		XMapRaised(dpy, v->barwin);
-		strcpy(stext, "dwm-"VERSION);
-
-		/* 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);
-
-		drawbar(v);
-	}
-	if(info)
-		XFree(info);
 
 	/* grab keys */
 	grabkeys();
-
-	selview = &views[0];
 }
 
 void
@@ -1653,8 +1532,8 @@ tag(const char *arg) {
 	if(!sel)
 		return;
 	for(i = 0; i < LENGTH(tags); i++)
-		sel->tags[i] = (NULL == arg) ? selview->id : 0;
-	sel->tags[idxoftag(arg)] = selview->id;
+		sel->tags[i] = (NULL == arg);
+	sel->tags[idxoftag(arg)] = True;
 	arrange();
 }
 
@@ -1675,59 +1554,76 @@ textw(const char *text) {
 }
 
 void
-tile(View *v) {
-	unsigned int i, n, nx, ny, nw, nh, mw, th;
-	Client *c, *mc;
+tileh(void) {
+	int x, w;
+	unsigned int i, n = counttiled();
+	Client *c;
 
-	domwfact = dozoom = True;
-	nx = v->wax;
-	ny = v->way;
-	nw = 0;
-	for(n = 0, c = nexttiled(clients, v); c; c = nexttiled(c->next, v))
-		n++;
+	if(n == 0)
+		return;
+	c = tilemaster(n);
+	if(--n == 0)
+		return;
 
-	/* window geoms */
-	mw = (n == 1) ? v->waw : v->mwfact * v->waw;
-	th = (n > 1) ? v->wah / (n - 1) : 0;
-	if(n > 1 && th < bh)
-		th = v->wah;
+	x = tx;
+	w = tw / n;
+	if(w < bh)
+		w = tw;
 
-	for(i = 0, c = mc = nexttiled(clients, v); c; c = nexttiled(c->next, v)) {
-		if(i == 0) { /* master */
-			nx = v->wax;
-			ny = v->way;
-			nw = mw - 2 * c->border;
-			nh = v->wah - 2 * c->border;
-		}
-		else {  /* tile window */
-			if(i == 1) {
-				ny = v->way;
-				nx += mc->w + 2 * mc->border;
-				nw = v->waw - mw - 2 * c->border;
-			}
-			if(i + 1 == n) /* remainder */
-				nh = (v->way + v->wah) - ny - 2 * c->border;
-			else
-				nh = th - 2 * c->border;
-		}
-		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 != v->wah)
-			ny = c->y + c->h + 2 * c->border;
-		i++;
+	for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) {
+		if(i + 1 == n) /* remainder */
+			tileresize(c, x, ty, (tx + tw) - x - 2 * c->bw, th - 2 * c->bw);
+		else
+			tileresize(c, x, ty, w - 2 * c->bw, th - 2 * c->bw);
+		if(w != tw)
+			x = c->x + c->w + 2 * c->bw;
 	}
 }
 
-void
-togglebar(const char *arg) {
-	if(bpos == BarOff)
-		bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
+Client *
+tilemaster(unsigned int n) {
+	Client *c = nexttiled(clients);
+
+	if(n == 1)
+		tileresize(c, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw);
 	else
-		bpos = BarOff;
-	updatebarpos(selview);
-	arrange();
+		tileresize(c, mx, my, mw - 2 * c->bw, mh - 2 * c->bw);
+	return c;
+}
+
+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
+tilev(void) {
+	int y, h;
+	unsigned int i, n = counttiled();
+	Client *c;
+
+	if(n == 0)
+		return;
+	c = tilemaster(n);
+	if(--n == 0)
+		return;
+
+	y = ty;
+	h = th / n;
+	if(h < bh)
+		h = th;
+
+	for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) {
+		if(i + 1 == n) /* remainder */
+			tileresize(c, tx, y, tw - 2 * c->bw, (ty + th) - y - 2 * c->bw);
+		else
+			tileresize(c, tx, y, tw - 2 * c->bw, h - 2 * c->bw);
+		if(h != th)
+			y = c->y + c->h + 2 * c->bw;
+	}
 }
 
 void
@@ -1750,7 +1646,7 @@ toggletag(const char *arg) {
 	sel->tags[i] = !sel->tags[i];
 	for(j = 0; j < LENGTH(tags) && !sel->tags[j]; j++);
 	if(j == LENGTH(tags))
-		sel->tags[i] = selview->id; /* at least one tag must be enabled */
+		sel->tags[i] = True; /* at least one tag must be enabled */
 	arrange();
 }
 
@@ -1759,10 +1655,10 @@ toggleview(const char *arg) {
 	unsigned int i, j;
 
 	i = idxoftag(arg);
-	seltags[i] = !seltags[i];
-	for(j = 0; j < LENGTH(tags) && !seltags[j]; j++);
+	tagset[seltags][i] = !tagset[seltags][i];
+	for(j = 0; j < LENGTH(tags) && !tagset[seltags][j]; j++);
 	if(j == LENGTH(tags))
-		seltags[i] = selview->id; /* at least one tag must be viewed */
+		tagset[seltags][i] = True; /* at least one tag must be viewed */
 	arrange();
 }
 
@@ -1778,7 +1674,7 @@ 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);
@@ -1807,29 +1703,38 @@ unmapnotify(XEvent *e) {
 }
 
 void
-updatebarpos(View *v) {
-	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);
+}
 
-	v->wax = v->x;
-	v->way = v->y;
-	v->wah = v->h;
-	v->waw = v->w;
-	switch(bpos) {
-	default:
-		v->wah -= bh;
-		v->way += bh;
-		XMoveWindow(dpy, v->barwin, v->x, v->y);
-		break;
-	case BarBot:
-		v->wah -= bh;
-		XMoveWindow(dpy, v->barwin, v->x, v->y + v->wah);
-		break;
-	case BarOff:
-		XMoveWindow(dpy, v->barwin, v->x, v->y - bh);
-		break;
-	}
-	XSync(dpy, False);
-	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+void
+updategeom(void) {
+
+	/* bar geometry */
+	bx = 0;
+	by = 0;
+	bw = sw;
+
+	/* window area geometry */
+	wx = sx;
+	wy = sy + bh;
+	ww = sw;
+	wh = sh - bh;
+
+	/* 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
@@ -1895,48 +1800,25 @@ 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(const char *arg) {
-	unsigned int i;
-	int tmp[LENGTH(tags)];
-
-	for(i = 0; i < LENGTH(tags); i++)
-		tmp[i] = (NULL == arg) ? selview->id : 0;
-	tmp[idxoftag(arg)] = selview->id;
-	if(memcmp(seltags, tmp, sizeof initags) != 0) {
-		memcpy(prevtags, seltags, sizeof initags);
-		memcpy(seltags, tmp, sizeof initags);
-		arrange();
-	}
-}
-
-View *
-viewat() {
-	int i, x, y;
-	Window win;
-	unsigned int mask;
-
-	XQueryPointer(dpy, root, &win, &win, &x, &y, &i, &i, &mask);
-	for(i = 0; i < nviews; i++) {
-		if((x >= views[i].x && x < views[i].x + views[i].w)
-		&& (y >= views[i].y && y < views[i].y + views[i].h))
-			return &views[i];
-	}
-	return NULL;
+	seltags ^= 1; /* toggle sel tagset */
+	memset(tagset[seltags], (NULL == arg), TAGSZ);
+	tagset[seltags][idxoftag(arg)] = True;
+	arrange();
 }
 
 void
 viewprevtag(const char *arg) {
-	static Bool tmp[LENGTH(tags)];
-
-	memcpy(tmp, seltags, sizeof initags);
-	memcpy(seltags, prevtags, sizeof initags);
-	memcpy(prevtags, tmp, sizeof initags);
+	seltags ^= 1; /* toggle sel tagset */
 	arrange();
 }
 
@@ -1951,11 +1833,12 @@ 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 */
 }
 
@@ -1976,14 +1859,14 @@ void
 zoom(const char *arg) {
 	Client *c = sel;
 
-	if(!sel || !dozoom || sel->isfloating)
-		return;
-	if(c == nexttiled(clients, getview(c)))
-		if(!(c = nexttiled(c->next, getview(c))))
+	if(c == nexttiled(clients))
+		if(!c || !(c = nexttiled(c->next)))
 			return;
-	detach(c);
-	attach(c);
-	focus(c);
+	if(!lt->isfloating && !sel->isfloating) {
+		detach(c);
+		attach(c);
+		focus(c);
+	}
 	arrange();
 }