--- a/Makefile	Mon Feb 19 21:17:54 2007 +0100
+++ b/Makefile	Tue Feb 20 10:49:53 2007 +0100
@@ -3,7 +3,7 @@
 
 include config.mk
 
-SRC = client.c event.c main.c screen.c util.c
+SRC = client.c event.c layout.c main.c tag.c util.c
 OBJ = ${SRC:.c=.o}
 
 all: options dwm

--- a/dwm.h	Mon Feb 19 21:17:54 2007 +0100
+++ b/dwm.h	Tue Feb 20 10:49:53 2007 +0100
@@ -120,6 +120,15 @@
 /* event.c */
 extern void grabkeys(void);			/* grab all keys defined in config.h */
 
+/* layout.c */
+extern void incnmaster(Arg *arg);		/* increments nmaster with arg's index value */
+extern void initlayouts(void);			/* initialize layout array */
+extern void resizemaster(Arg *arg);		/* resizes the master percent with arg's index value */
+extern void restack(void);			/* restores z layers of all clients */
+extern void setlayout(Arg *arg);		/* sets layout, -1 toggles */
+extern void toggleversatile(Arg *arg);		/* toggles focusesd client between versatile/and non-versatile state */
+extern void versatile(void);			/* arranges all windows versatile */
+
 /* main.c */
 extern void drawstatus(void);			/* draw the bar */
 extern unsigned int textw(const char *text);	/* return the width of text in px*/
@@ -127,20 +136,13 @@
 extern void sendevent(Window w, Atom a, long value);	/* send synthetic event to w */
 extern int xerror(Display *dsply, XErrorEvent *ee);	/* dwm's X error handler */
 
-/* screen.c */
+/* tag.c */
 extern void compileregs(void);			/* initialize regexps of rules defined in config.h */
-extern void incnmaster(Arg *arg);		/* increments nmaster with arg's index value */
-extern void initlayouts(void);			/* initialize layout array */
 extern Bool isvisible(Client *c);		/* returns True if client is visible */
-extern void resizemaster(Arg *arg);		/* resizes the master percent with arg's index value */
-extern void restack(void);			/* restores z layers of all clients */
-extern void setlayout(Arg *arg);		/* sets layout, -1 toggles */
 extern void settags(Client *c, Client *trans);	/* sets tags of c */
 extern void tag(Arg *arg);			/* tags c with arg's index */
-extern void toggleversatile(Arg *arg);		/* toggles focusesd client between versatile/and non-versatile state */
 extern void toggletag(Arg *arg);		/* toggles c tags with arg's index */
 extern void toggleview(Arg *arg);		/* toggles the tag with arg's index (in)visible */
-extern void versatile(void);			/* arranges all windows versatile */
 extern void view(Arg *arg);			/* views the tag with arg's index */
 
 /* util.c */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout.c	Tue Feb 20 10:49:53 2007 +0100
@@ -0,0 +1,185 @@
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+#include "dwm.h"
+
+unsigned int master = MASTER;
+unsigned int nmaster = NMASTER;
+unsigned int blw = 0;
+Layout *lt = NULL;
+
+/* static */
+
+static unsigned int nlayouts = 0;
+
+static void
+tile(void) {
+	unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
+	Client *c;
+
+	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
+		n++;
+	/* window geoms */
+	mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
+	mw = (n > nmaster) ? (waw * master) / 1000 : waw;
+	th = (n > nmaster) ? wah / (n - nmaster) : 0;
+	tw = waw - mw;
+
+	for(i = 0, c = clients; c; c = c->next)
+		if(isvisible(c)) {
+			if(c->isbanned)
+				XMoveWindow(dpy, c->win, c->x, c->y);
+			c->isbanned = False;
+			if(c->isversatile)
+				continue;
+			c->ismax = False;
+			nx = wax;
+			ny = way;
+			if(i < nmaster) {
+				ny += i * mh;
+				nw = mw - 2 * BORDERPX;
+				nh = mh - 2 * BORDERPX;
+			}
+			else {  /* tile window */
+				nx += mw;
+				nw = tw - 2 * BORDERPX;
+				if(th > 2 * BORDERPX) {
+					ny += (i - nmaster) * th;
+					nh = th - 2 * BORDERPX;
+				}
+				else /* fallback if th <= 2 * BORDERPX */
+					nh = wah - 2 * BORDERPX;
+			}
+			resize(c, nx, ny, nw, nh, False);
+			i++;
+		}
+		else {
+			c->isbanned = True;
+			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+		}
+	if(!sel || !isvisible(sel)) {
+		for(c = stack; c && !isvisible(c); c = c->snext);
+		focus(c);
+	}
+	restack();
+}
+
+LAYOUTS
+
+/* extern */
+
+void
+incnmaster(Arg *arg) {
+	if((lt->arrange != tile) || (nmaster + arg->i < 1)
+	|| (wah / (nmaster + arg->i) <= 2 * BORDERPX))
+		return;
+	nmaster += arg->i;
+	if(sel)
+		lt->arrange();
+	else
+		drawstatus();
+}
+
+void
+initlayouts(void) {
+	unsigned int i, w;
+
+	lt = &layout[0];
+	nlayouts = sizeof layout / sizeof layout[0];
+	for(blw = i = 0; i < nlayouts; i++) {
+		w = textw(layout[i].symbol);
+		if(w > blw)
+			blw = w;
+	}
+}
+
+void
+resizemaster(Arg *arg) {
+	if(lt->arrange != tile)
+		return;
+	if(arg->i == 0)
+		master = MASTER;
+	else {
+		if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
+		|| waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
+			return;
+		master += arg->i;
+	}
+	lt->arrange();
+}
+
+void
+restack(void) {
+	Client *c;
+	XEvent ev;
+
+	drawstatus();
+	if(!sel)
+		return;
+	if(sel->isversatile || lt->arrange == versatile)
+		XRaiseWindow(dpy, sel->win);
+	if(lt->arrange != versatile) {
+		if(!sel->isversatile)
+			XLowerWindow(dpy, sel->win);
+		for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
+			if(c == sel)
+				continue;
+			XLowerWindow(dpy, c->win);
+		}
+	}
+	XSync(dpy, False);
+	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+void
+setlayout(Arg *arg) {
+	unsigned int i;
+
+	if(arg->i == -1) {
+		for(i = 0; i < nlayouts && lt != &layout[i]; i++);
+		if(i == nlayouts - 1)
+			lt = &layout[0];
+		else
+			lt = &layout[++i];
+	}
+	else {
+		if(arg->i < 0 || arg->i >= nlayouts)
+			return;
+		lt = &layout[arg->i];
+	}
+	if(sel)
+		lt->arrange();
+	else
+		drawstatus();
+}
+
+void
+toggleversatile(Arg *arg) {
+	if(!sel || lt->arrange == versatile)
+		return;
+	sel->isversatile = !sel->isversatile;
+	lt->arrange();
+}
+
+void
+versatile(void) {
+	Client *c;
+
+	for(c = clients; c; c = c->next) {
+		if(isvisible(c)) {
+			if(c->isbanned)
+				XMoveWindow(dpy, c->win, c->x, c->y);
+			c->isbanned = False;
+			resize(c, c->x, c->y, c->w, c->h, True);
+		}
+		else {
+			c->isbanned = True;
+			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+		}
+	}
+	if(!sel || !isvisible(sel)) {
+		for(c = stack; c && !isvisible(c); c = c->snext);
+		focus(c);
+	}
+	restack();
+}

--- a/screen.c	Mon Feb 19 21:17:54 2007 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,328 +0,0 @@
-/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-#include "dwm.h"
-#include <regex.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <X11/Xutil.h>
-
-unsigned int master = MASTER;
-unsigned int nmaster = NMASTER;
-unsigned int blw = 0;
-Layout *lt = NULL;
-
-/* static */
-
-typedef struct {
-	const char *prop;
-	const char *tags;
-	Bool isversatile;
-} Rule;
-
-typedef struct {
-	regex_t *propregex;
-	regex_t *tagregex;
-} Regs;
-
-TAGS
-RULES
-
-static Regs *regs = NULL;
-static unsigned int nrules = 0;
-static unsigned int nlayouts = 0;
-
-static void
-tile(void) {
-	unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
-	Client *c;
-
-	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
-		n++;
-	/* window geoms */
-	mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
-	mw = (n > nmaster) ? (waw * master) / 1000 : waw;
-	th = (n > nmaster) ? wah / (n - nmaster) : 0;
-	tw = waw - mw;
-
-	for(i = 0, c = clients; c; c = c->next)
-		if(isvisible(c)) {
-			if(c->isbanned)
-				XMoveWindow(dpy, c->win, c->x, c->y);
-			c->isbanned = False;
-			if(c->isversatile)
-				continue;
-			c->ismax = False;
-			nx = wax;
-			ny = way;
-			if(i < nmaster) {
-				ny += i * mh;
-				nw = mw - 2 * BORDERPX;
-				nh = mh - 2 * BORDERPX;
-			}
-			else {  /* tile window */
-				nx += mw;
-				nw = tw - 2 * BORDERPX;
-				if(th > 2 * BORDERPX) {
-					ny += (i - nmaster) * th;
-					nh = th - 2 * BORDERPX;
-				}
-				else /* fallback if th <= 2 * BORDERPX */
-					nh = wah - 2 * BORDERPX;
-			}
-			resize(c, nx, ny, nw, nh, False);
-			i++;
-		}
-		else {
-			c->isbanned = True;
-			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
-		}
-	if(!sel || !isvisible(sel)) {
-		for(c = stack; c && !isvisible(c); c = c->snext);
-		focus(c);
-	}
-	restack();
-}
-
-LAYOUTS
-
-/* extern */
-
-void
-compileregs(void) {
-	unsigned int i;
-	regex_t *reg;
-
-	if(regs)
-		return;
-	nrules = sizeof rule / sizeof rule[0];
-	regs = emallocz(nrules * sizeof(Regs));
-	for(i = 0; i < nrules; i++) {
-		if(rule[i].prop) {
-			reg = emallocz(sizeof(regex_t));
-			if(regcomp(reg, rule[i].prop, REG_EXTENDED))
-				free(reg);
-			else
-				regs[i].propregex = reg;
-		}
-		if(rule[i].tags) {
-			reg = emallocz(sizeof(regex_t));
-			if(regcomp(reg, rule[i].tags, REG_EXTENDED))
-				free(reg);
-			else
-				regs[i].tagregex = reg;
-		}
-	}
-}
-
-void
-incnmaster(Arg *arg) {
-	if((lt->arrange != tile) || (nmaster + arg->i < 1)
-	|| (wah / (nmaster + arg->i) <= 2 * BORDERPX))
-		return;
-	nmaster += arg->i;
-	if(sel)
-		lt->arrange();
-	else
-		drawstatus();
-}
-
-void
-initlayouts(void) {
-	unsigned int i, w;
-
-	lt = &layout[0];
-	nlayouts = sizeof layout / sizeof layout[0];
-	for(blw = i = 0; i < nlayouts; i++) {
-		w = textw(layout[i].symbol);
-		if(w > blw)
-			blw = w;
-	}
-}
-
-Bool
-isvisible(Client *c) {
-	unsigned int i;
-
-	for(i = 0; i < ntags; i++)
-		if(c->tags[i] && seltag[i])
-			return True;
-	return False;
-}
-
-void
-resizemaster(Arg *arg) {
-	if(lt->arrange != tile)
-		return;
-	if(arg->i == 0)
-		master = MASTER;
-	else {
-		if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
-		|| waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
-			return;
-		master += arg->i;
-	}
-	lt->arrange();
-}
-
-void
-restack(void) {
-	Client *c;
-	XEvent ev;
-
-	drawstatus();
-	if(!sel)
-		return;
-	if(sel->isversatile || lt->arrange == versatile)
-		XRaiseWindow(dpy, sel->win);
-	if(lt->arrange != versatile) {
-		if(!sel->isversatile)
-			XLowerWindow(dpy, sel->win);
-		for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
-			if(c == sel)
-				continue;
-			XLowerWindow(dpy, c->win);
-		}
-	}
-	XSync(dpy, False);
-	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
-}
-
-void
-setlayout(Arg *arg) {
-	unsigned int i;
-
-	if(arg->i == -1) {
-		for(i = 0; i < nlayouts && lt != &layout[i]; i++);
-		if(i == nlayouts - 1)
-			lt = &layout[0];
-		else
-			lt = &layout[++i];
-	}
-	else {
-		if(arg->i < 0 || arg->i >= nlayouts)
-			return;
-		lt = &layout[arg->i];
-	}
-	if(sel)
-		lt->arrange();
-	else
-		drawstatus();
-}
-
-void
-settags(Client *c, Client *trans) {
-	char prop[512];
-	unsigned int i, j;
-	regmatch_t tmp;
-	Bool matched = trans != NULL;
-	XClassHint ch = { 0 };
-
-	if(matched)
-		for(i = 0; i < ntags; i++)
-			c->tags[i] = trans->tags[i];
-	else {
-		XGetClassHint(dpy, c->win, &ch);
-		snprintf(prop, sizeof prop, "%s:%s:%s",
-				ch.res_class ? ch.res_class : "",
-				ch.res_name ? ch.res_name : "", c->name);
-		for(i = 0; i < nrules; i++)
-			if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0)) {
-				c->isversatile = rule[i].isversatile;
-				for(j = 0; regs[i].tagregex && j < ntags; j++) {
-					if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
-						matched = True;
-						c->tags[j] = True;
-					}
-				}
-			}
-		if(ch.res_class)
-			XFree(ch.res_class);
-		if(ch.res_name)
-			XFree(ch.res_name);
-	}
-	if(!matched)
-		for(i = 0; i < ntags; i++)
-			c->tags[i] = seltag[i];
-}
-
-void
-tag(Arg *arg) {
-	unsigned int i;
-
-	if(!sel)
-		return;
-	for(i = 0; i < ntags; i++)
-		sel->tags[i] = (arg->i == -1) ? True : False;
-	if(arg->i >= 0 && arg->i < ntags)
-		sel->tags[arg->i] = True;
-	lt->arrange();
-}
-
-void
-toggletag(Arg *arg) {
-	unsigned int i;
-
-	if(!sel)
-		return;
-	sel->tags[arg->i] = !sel->tags[arg->i];
-	for(i = 0; i < ntags && !sel->tags[i]; i++);
-	if(i == ntags)
-		sel->tags[arg->i] = True;
-	lt->arrange();
-}
-
-void
-toggleversatile(Arg *arg) {
-	if(!sel || lt->arrange == versatile)
-		return;
-	sel->isversatile = !sel->isversatile;
-	lt->arrange();
-}
-
-void
-toggleview(Arg *arg) {
-	unsigned int i;
-
-	seltag[arg->i] = !seltag[arg->i];
-	for(i = 0; i < ntags && !seltag[i]; i++);
-	if(i == ntags)
-		seltag[arg->i] = True; /* cannot toggle last view */
-	lt->arrange();
-}
-
-void
-versatile(void) {
-	Client *c;
-
-	for(c = clients; c; c = c->next) {
-		if(isvisible(c)) {
-			if(c->isbanned)
-				XMoveWindow(dpy, c->win, c->x, c->y);
-			c->isbanned = False;
-			resize(c, c->x, c->y, c->w, c->h, True);
-		}
-		else {
-			c->isbanned = True;
-			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
-		}
-	}
-	if(!sel || !isvisible(sel)) {
-		for(c = stack; c && !isvisible(c); c = c->snext);
-		focus(c);
-	}
-	restack();
-}
-
-void
-view(Arg *arg) {
-	unsigned int i;
-
-	for(i = 0; i < ntags; i++)
-		seltag[i] = (arg->i == -1) ? True : False;
-	if(arg->i >= 0 && arg->i < ntags)
-		seltag[arg->i] = True;
-	lt->arrange();
-}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tag.c	Tue Feb 20 10:49:53 2007 +0100
@@ -0,0 +1,149 @@
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+#include "dwm.h"
+#include <regex.h>
+#include <stdio.h>
+#include <X11/Xutil.h>
+
+/* static */
+
+typedef struct {
+	const char *prop;
+	const char *tags;
+	Bool isversatile;
+} Rule;
+
+typedef struct {
+	regex_t *propregex;
+	regex_t *tagregex;
+} Regs;
+
+TAGS
+RULES
+
+static Regs *regs = NULL;
+static unsigned int nrules = 0;
+
+/* extern */
+
+void
+compileregs(void) {
+	unsigned int i;
+	regex_t *reg;
+
+	if(regs)
+		return;
+	nrules = sizeof rule / sizeof rule[0];
+	regs = emallocz(nrules * sizeof(Regs));
+	for(i = 0; i < nrules; i++) {
+		if(rule[i].prop) {
+			reg = emallocz(sizeof(regex_t));
+			if(regcomp(reg, rule[i].prop, REG_EXTENDED))
+				free(reg);
+			else
+				regs[i].propregex = reg;
+		}
+		if(rule[i].tags) {
+			reg = emallocz(sizeof(regex_t));
+			if(regcomp(reg, rule[i].tags, REG_EXTENDED))
+				free(reg);
+			else
+				regs[i].tagregex = reg;
+		}
+	}
+}
+
+Bool
+isvisible(Client *c) {
+	unsigned int i;
+
+	for(i = 0; i < ntags; i++)
+		if(c->tags[i] && seltag[i])
+			return True;
+	return False;
+}
+
+void
+settags(Client *c, Client *trans) {
+	char prop[512];
+	unsigned int i, j;
+	regmatch_t tmp;
+	Bool matched = trans != NULL;
+	XClassHint ch = { 0 };
+
+	if(matched)
+		for(i = 0; i < ntags; i++)
+			c->tags[i] = trans->tags[i];
+	else {
+		XGetClassHint(dpy, c->win, &ch);
+		snprintf(prop, sizeof prop, "%s:%s:%s",
+				ch.res_class ? ch.res_class : "",
+				ch.res_name ? ch.res_name : "", c->name);
+		for(i = 0; i < nrules; i++)
+			if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0)) {
+				c->isversatile = rule[i].isversatile;
+				for(j = 0; regs[i].tagregex && j < ntags; j++) {
+					if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
+						matched = True;
+						c->tags[j] = True;
+					}
+				}
+			}
+		if(ch.res_class)
+			XFree(ch.res_class);
+		if(ch.res_name)
+			XFree(ch.res_name);
+	}
+	if(!matched)
+		for(i = 0; i < ntags; i++)
+			c->tags[i] = seltag[i];
+}
+
+void
+tag(Arg *arg) {
+	unsigned int i;
+
+	if(!sel)
+		return;
+	for(i = 0; i < ntags; i++)
+		sel->tags[i] = (arg->i == -1) ? True : False;
+	if(arg->i >= 0 && arg->i < ntags)
+		sel->tags[arg->i] = True;
+	lt->arrange();
+}
+
+void
+toggletag(Arg *arg) {
+	unsigned int i;
+
+	if(!sel)
+		return;
+	sel->tags[arg->i] = !sel->tags[arg->i];
+	for(i = 0; i < ntags && !sel->tags[i]; i++);
+	if(i == ntags)
+		sel->tags[arg->i] = True;
+	lt->arrange();
+}
+
+void
+toggleview(Arg *arg) {
+	unsigned int i;
+
+	seltag[arg->i] = !seltag[arg->i];
+	for(i = 0; i < ntags && !seltag[i]; i++);
+	if(i == ntags)
+		seltag[arg->i] = True; /* cannot toggle last view */
+	lt->arrange();
+}
+
+void
+view(Arg *arg) {
+	unsigned int i;
+
+	for(i = 0; i < ntags; i++)
+		seltag[i] = (arg->i == -1) ? True : False;
+	if(arg->i >= 0 && arg->i < ntags)
+		seltag[arg->i] = True;
+	lt->arrange();
+}