prepared dwm.html

.hgtags

@@ -1,3 +1,6 @@
 d31b5ad96b0ba7b5b0a30928fcf000428339a577 0.1
 0a6472e2203994bc5738d40a340d26f7ec9d6062 0.2
 7e66082e5092fb0bccd18a3695a0bec52c80fdb2 0.3
+eb3165734f00fe7f7da8aeebaed00e60a57caac9 0.4
+22213b9a2114167ee8ba019a012e27da0422a61a 0.5
+c11f86db4550cac5d0a648a3fe4d6d3b9a4fcf7e 0.6

Makefile

@@ -5,15 +5,12 @@ include config.mk
 
 SRC = client.c draw.c event.c main.c tag.c util.c
 OBJ = ${SRC:.c=.o}
-MAN1 = dwm.1 
-BIN = dwm
 
 all: options dwm
 	@echo finished
 
 options:
 	@echo dwm build options:
-	@echo "LIBS     = ${LIBS}"
 	@echo "CFLAGS   = ${CFLAGS}"
 	@echo "LDFLAGS  = ${LDFLAGS}"
 	@echo "CC       = ${CC}"
@@ -22,40 +19,44 @@ options:
 	@echo CC $<
 	@${CC} -c ${CFLAGS} $<
 
-${OBJ}: dwm.h
+${OBJ}: dwm.h config.h
+
+config.h:
+	@echo creating $@ from config.default.h
+	@cp config.default.h $@
 
 dwm: ${OBJ}
 	@echo LD $@
 	@${CC} -o $@ ${OBJ} ${LDFLAGS}
+	@strip $@
 
 clean:
-	rm -f dwm *.o core dwm-${VERSION}.tar.gz
+	@echo cleaning
+	@rm -f dwm ${OBJ} dwm-${VERSION}.tar.gz
 
 dist: clean
-	mkdir -p dwm-${VERSION}
-	cp -R Makefile README LICENSE config.mk *.h *.c ${MAN1} dwm-${VERSION}
-	tar -cf dwm-${VERSION}.tar dwm-${VERSION}
-	gzip dwm-${VERSION}.tar
-	rm -rf dwm-${VERSION}
+	@echo creating dist tarball
+	@mkdir -p dwm-${VERSION}
+	@cp -R LICENSE Makefile README config.*.h config.mk \
+		dwm.1 dwm.h ${SRC} dwm-${VERSION}
+	@tar -cf dwm-${VERSION}.tar dwm-${VERSION}
+	@gzip dwm-${VERSION}.tar
+	@rm -rf dwm-${VERSION}
 
 install: all
+	@echo installing executable file to ${DESTDIR}${PREFIX}/bin
 	@mkdir -p ${DESTDIR}${PREFIX}/bin
-	@cp -f ${BIN} ${DESTDIR}${PREFIX}/bin
-	@for i in ${BIN}; do \
-		chmod 755 ${DESTDIR}${PREFIX}/bin/`basename $$i`; \
-	done
-	@echo installed executable files to ${DESTDIR}${PREFIX}/bin
+	@cp -f dwm ${DESTDIR}${PREFIX}/bin
+	@chmod 755 ${DESTDIR}${PREFIX}/bin/dwm
+	@echo installing manual page to ${DESTDIR}${MANPREFIX}/man1
 	@mkdir -p ${DESTDIR}${MANPREFIX}/man1
-	@cp -f ${MAN1} ${DESTDIR}${MANPREFIX}/man1
-	@for i in ${MAN1}; do \
-		chmod 444 ${DESTDIR}${MANPREFIX}/man1/`basename $$i`; \
-	done
-	@echo installed manual pages to ${DESTDIR}${MANPREFIX}/man1
+	@cp -f dwm.1 ${DESTDIR}${MANPREFIX}/man1
+	@chmod 644 ${DESTDIR}${MANPREFIX}/man1/dwm.1
 
 uninstall:
-	for i in ${BIN}; do \
-		rm -f ${DESTDIR}${PREFIX}/bin/`basename $$i`; \
-	done
-	for i in ${MAN1}; do \
-		rm -f ${DESTDIR}${MANPREFIX}/man1/`basename $$i`; \
-	done
+	@echo removing executable file from ${DESTDIR}${PREFIX}/bin
+	@rm -f ${DESTDIR}${PREFIX}/bin/dwm
+	@echo removing manual page from ${DESTDIR}${MANPREFIX}/man1
+	@rm -f ${DESTDIR}${MANPREFIX}/man1/dwm.1
+
+.PHONY: all options clean dist install uninstall

README

@@ -1,7 +1,6 @@
 dwm - dynamic window manager
 ----------------------------
-
-dwm is an extremly fast, small, and dynamic X11 window manager.
+dwm is an extremely fast, small, and dynamic X11 window manager.
 
 
 Requirements
@@ -11,8 +10,8 @@ In order to build dwm you need the Xlib header files.
 
 Installation
 ------------
-Edit config.mk to match your local setup. dwm is installed into
-the /usr/local namespace by default.
+Edit config.mk to match your local setup (dwm is installed into
+the /usr/local namespace by default).
 
 Afterwards enter the following command to build and install dwm (if
 necessary as root):
@@ -31,10 +30,19 @@ the DISPLAY environment variable is set correctly, e.g.:
 
     DISPLAY=foo.bar:1 exec dwm
 
-This will start dwm on display :1 of the host foo.bar.
+(This will start dwm on display :1 of the host foo.bar.)
+
+In order to display status info in the bar, you can do something
+like this in your .xinitrc:
+
+    while true
+    do
+        echo `date` `uptime | sed 's/.*://; s/,//g'`
+        sleep 1
+    done | dwm
 
 
 Configuration
 -------------
-The configuration of dwm is done by customizing source code,
-grep for CUSTOMIZE keyword.
+The configuration of dwm is done by creating a custom config.h
+and (re)compiling the source code.

client.c

@@ -3,7 +3,6 @@
  * See LICENSE file for license details.
  */
 #include "dwm.h"
-
 #include <stdlib.h>
 #include <string.h>
 #include <X11/Xatom.h>
@@ -17,9 +16,9 @@ resizetitle(Client *c)
 	int i;
 
 	c->tw = 0;
-	for(i = 0; i < TLast; i++)
+	for(i = 0; i < ntags; i++)
 		if(c->tags[i])
-			c->tw += textw(c->tags[i]);
+			c->tw += textw(tags[i]);
 	c->tw += textw(c->name);
 	if(c->tw > c->w)
 		c->tw = c->w + 2;
@@ -70,11 +69,13 @@ focusnext(Arg *arg)
 	if(!sel)
 		return;
 
-	if(!(c = getnext(sel->next, tsel)))
-		c = getnext(clients, tsel);
+	if(sel->ismax)
+		togglemax(NULL);
+
+	if(!(c = getnext(sel->next)))
+		c = getnext(clients);
 	if(c) {
 		higher(c);
-		c->revert = sel;
 		focus(c);
 	}
 }
@@ -87,7 +88,14 @@ focusprev(Arg *arg)
 	if(!sel)
 		return;
 
-	if((c = sel->revert && sel->revert->tags[tsel] ? sel->revert : NULL)) {
+	if(sel->ismax)
+		togglemax(NULL);
+
+	if(!(c = getprev(sel->prev))) {
+		for(c = clients; c && c->next; c = c->next);
+		c = getprev(c);
+	}
+	if(c) {
 		higher(c);
 		focus(c);
 	}
@@ -97,6 +105,7 @@ Client *
 getclient(Window w)
 {
 	Client *c;
+
 	for(c = clients; c; c = c->next)
 		if(c->win == w)
 			return c;
@@ -107,6 +116,7 @@ Client *
 getctitle(Window w)
 {
 	Client *c;
+
 	for(c = clients; c; c = c->next)
 		if(c->title == w)
 			return c;
@@ -119,6 +129,8 @@ gravitate(Client *c, Bool invert)
 	int dx = 0, dy = 0;
 
 	switch(c->grav) {
+	default:
+		break;
 	case StaticGravity:
 	case NorthWestGravity:
 	case NorthGravity:
@@ -135,11 +147,11 @@ gravitate(Client *c, Bool invert)
 	case SouthWestGravity:
 		dy = -(c->h);
 		break;
-	default:
-		break;
 	}
 
 	switch (c->grav) {
+	default:
+		break;
 	case StaticGravity:
 	case NorthWestGravity:
 	case WestGravity:
@@ -156,8 +168,6 @@ gravitate(Client *c, Bool invert)
 	case SouthEastGravity:
 		dx = -(c->w + c->border);
 		break;
-	default:
-		break;
 	}
 
 	if(invert) {
@@ -180,7 +190,7 @@ killclient(Arg *arg)
 {
 	if(!sel)
 		return;
-	if(sel->proto & WM_PROTOCOL_DELWIN)
+	if(sel->proto & PROTODELWIN)
 		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
 	else
 		XKillClient(dpy, sel->win);
@@ -196,12 +206,12 @@ lower(Client *c)
 void
 manage(Window w, XWindowAttributes *wa)
 {
-	int diff;
 	Client *c;
-	XSetWindowAttributes twa;
 	Window trans;
+	XSetWindowAttributes twa;
 
 	c = emallocz(sizeof(Client));
+	c->tags = emallocz(ntags * sizeof(Bool));
 	c->win = w;
 	c->x = c->tx = wa->x;
 	c->y = c->ty = wa->y;
@@ -209,100 +219,85 @@ manage(Window w, XWindowAttributes *wa)
 	c->h = wa->height;
 	c->th = bh;
 
-	if(c->y < bh)
+	c->border = 0;
+	setsize(c);
+
+	if(c->h != sh && c->y < bh)
 		c->y = c->ty = bh;
 
-	c->border = 1;
 	c->proto = getproto(c->win);
-	setsize(c);
 	XSelectInput(dpy, c->win,
 		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
 	XGetTransientForHint(dpy, c->win, &trans);
 	twa.override_redirect = 1;
 	twa.background_pixmap = ParentRelative;
-	twa.event_mask = ExposureMask;
+	twa.event_mask = ExposureMask | EnterWindowMask;
 
 	c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
 			0, DefaultDepth(dpy, screen), CopyFromParent,
 			DefaultVisual(dpy, screen),
 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
 
-	settags(c);
-
+	if(clients)
+		clients->prev = c;
 	c->next = clients;
 	clients = c;
 
-	XGrabButton(dpy, Button1, ControlMask, c->win, False, ButtonPressMask,
+	XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
 			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button1, MODKEY, c->win, False, ButtonPressMask,
+	XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
 			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button2, MODKEY, c->win, False, ButtonPressMask,
+	XGrabButton(dpy, Button1, MODKEY | NUMLOCKMASK, c->win, False, BUTTONMASK,
 			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button3, MODKEY, c->win, False, ButtonPressMask,
+	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);
+
+	settags(c);
 	if(!c->isfloat)
-		c->isfloat = trans || (c->maxw && c->minw &&
-				(c->maxw == c->minw) && (c->maxh == c->minh));
-
-
+		c->isfloat = trans
+			|| (c->maxw && c->minw &&
+				c->maxw == c->minw && c->maxh == c->minh);
 	settitle(c);
 	arrange(NULL);
 
 	/* mapping the window now prevents flicker */
-	if(c->tags[tsel]) {
 	XMapRaised(dpy, c->win);
 	XMapRaised(dpy, c->title);
+	if(c->tags[tsel])
 		focus(c);
 }
-	else {
-		XMapRaised(dpy, c->win);
-		XMapRaised(dpy, c->title);
-	}
-}
 
 void
-maximize(Arg *arg)
+resize(Client *c, Bool sizehints, Corner sticky)
 {
-	if(!sel)
-		return;
-	sel->x = sx;
-	sel->y = sy + bh;
-	sel->w = sw - 2 * sel->border;
-	sel->h = sh - 2 * sel->border - bh;
-	higher(sel);
-	resize(sel, False, TopLeft);
-}
-
-void
-pop(Client *c)
-{
-	Client **l;
-	for(l = &clients; *l && *l != c; l = &(*l)->next);
-	*l = c->next;
-
-	c->next = clients; /* pop */
-	clients = c;
-	arrange(NULL);
-}
-
-void
-resize(Client *c, Bool inc, Corner sticky)
-{
-	XConfigureEvent e;
-	int right = c->x + c->w;
 	int bottom = c->y + c->h;
+	int right = c->x + c->w;
+	/*XConfigureEvent e;*/
+	XWindowChanges wc;
 
-	if(inc) {
+	if(sizehints) {
 		if(c->incw)
 			c->w -= (c->w - c->basew) % c->incw;
 		if(c->inch)
 			c->h -= (c->h - c->baseh) % c->inch;
-	}
-	if(c->x > sw) /* might happen on restart */
-		c->x = sw - c->w;
-	if(c->y > sh)
-		c->y = sh - c->h;
 		if(c->minw && c->w < c->minw)
 			c->w = c->minw;
 		if(c->minh && c->h < c->minh)
@@ -311,34 +306,35 @@ resize(Client *c, Bool inc, Corner sticky)
 			c->w = c->maxw;
 		if(c->maxh && c->h > c->maxh)
 			c->h = c->maxh;
+	}
+	if(c->x > right) /* might happen on restart */
+		c->x = right - c->w;
+	if(c->y > bottom)
+		c->y = bottom - c->h;
 	if(sticky == TopRight || sticky == BotRight)
 		c->x = right - c->w;
 	if(sticky == BotLeft || sticky == BotRight)
 		c->y = bottom - c->h;
 
 	resizetitle(c);
-	XSetWindowBorderWidth(dpy, c->win, 1);
-	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
-
-	e.type = ConfigureNotify;
-	e.event = c->win;
-	e.window = c->win;
-	e.x = c->x;
-	e.y = c->y;
-	e.width = c->w;
-	e.height = c->h;
-	e.border_width = c->border;
-	e.above = None;
-	e.override_redirect = False;
-	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
+	wc.x = c->x;
+	wc.y = c->y;
+	wc.width = c->w;
+	wc.height = c->h;
+	if(c->w == sw && c->h == sh)
+		wc.border_width = 0;
+	else
+		wc.border_width = 1;
+	XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
 	XSync(dpy, False);
 }
 
 void
 setsize(Client *c)
 {
-	XSizeHints size;
 	long msize;
+	XSizeHints size;
+
 	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
 		size.flags = PSize;
 	c->flags = size.flags;
@@ -375,9 +371,9 @@ setsize(Client *c)
 void
 settitle(Client *c)
 {
-	XTextProperty name;
-	int n;
 	char **list = NULL;
+	int n;
+	XTextProperty name;
 
 	name.nitems = 0;
 	c->name[0] = 0;
@@ -400,25 +396,61 @@ settitle(Client *c)
 	resizetitle(c);
 }
 
+void
+togglemax(Arg *arg)
+{
+	int ox, oy, ow, oh;
+	XEvent ev;
+
+	if(!sel)
+		return;
+
+	if((sel->ismax = !sel->ismax)) {
+		ox = sel->x;
+		oy = sel->y;
+		ow = sel->w;
+		oh = sel->h;
+		sel->x = sx;
+		sel->y = sy + bh;
+		sel->w = sw - 2;
+		sel->h = sh - 2 - bh;
+
+		higher(sel);
+		resize(sel, False, TopLeft);
+
+		sel->x = ox;
+		sel->y = oy;
+		sel->w = ow;
+		sel->h = oh;
+	}
+	else
+		resize(sel, False, TopLeft);
+	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
 void
 unmanage(Client *c)
 {
-	Client **l;
-
 	XGrabServer(dpy);
 	XSetErrorHandler(xerrordummy);
 
 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
 	XDestroyWindow(dpy, c->title);
 
-	for(l = &clients; *l && *l != c; l = &(*l)->next);
-	*l = c->next;
-	for(l = &clients; *l; l = &(*l)->next)
-		if((*l)->revert == c)
-			(*l)->revert = NULL;
-	if(sel == c)
-		sel = sel->revert ? sel->revert : clients;
-
+	if(c->prev)
+		c->prev->next = c->next;
+	if(c->next)
+		c->next->prev = c->prev;
+	if(c == clients)
+		clients = c->next;
+	if(sel == c) {
+		sel = getnext(c->next);
+		if(!sel)
+			sel = getprev(c->prev);
+		if(!sel)
+			sel = clients;
+	}
+	free(c->tags);
 	free(c);
 
 	XSync(dpy, False);
@@ -434,14 +466,26 @@ zoom(Arg *arg)
 {
 	Client *c;
 
-	if(!sel)
+	if(!sel || (arrange != dotile) || sel->isfloat)
 		return;
 
-	if(sel == getnext(clients, tsel) && sel->next)  {
-		if((c = getnext(sel->next, tsel)))
+	if(sel == getnext(clients))  {
+		if((c = getnext(sel->next)))
 			sel = c;
+		else
+			return;
 	}
 
-	pop(sel);
+	/* pop */
+	if(sel->prev)
+		sel->prev->next = sel->next;
+	if(sel->next)
+		sel->next->prev = sel->prev;
+	sel->prev = NULL;
+	if(clients)
+		clients->prev = sel;
+	sel->next = clients;
+	clients = sel;
+	arrange(NULL);
 	focus(sel);
 }

config.arg.h

@@ -0,0 +1,61 @@
+/*
+ * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+
+#define TAGS \
+const char *tags[] = { "fnord", "dev", "net", "work", "misc", NULL };
+
+#define DEFMODE			dotile /* dofloat */
+#define DEFTAG			1 /* index */
+#define FONT			"-*-terminus-medium-*-*-*-13-*-*-*-*-*-iso10646-*"
+#define BGCOLOR			"#0a2c2d"
+#define FGCOLOR			"#ddeeee"
+#define BORDERCOLOR		"#176164"
+#define MODKEY			Mod1Mask
+#define NUMLOCKMASK		Mod2Mask
+#define MASTERW			60 /* percent */
+
+#define KEYS \
+static Key key[] = { \
+	/* modifier		key		function	arguments */ \
+	{ MODKEY,		XK_0,		view,		{ .i = 0 } }, \
+	{ MODKEY,		XK_1,		view,		{ .i = 1 } }, \
+	{ MODKEY,		XK_2,		view,		{ .i = 2 } }, \
+	{ MODKEY,		XK_3,		view,		{ .i = 3 } }, \
+	{ MODKEY,		XK_4,		view,		{ .i = 4 } }, \
+	{ MODKEY,		XK_h,		viewprev,	{ 0 } }, \
+	{ MODKEY,		XK_j,		focusnext,	{ 0 } }, \
+	{ MODKEY,		XK_k,		focusprev,	{ 0 } }, \
+	{ MODKEY,		XK_l,		viewnext,	{ 0 } }, \
+	{ MODKEY,		XK_m,		togglemax,	{ 0 } }, \
+	{ MODKEY,		XK_p,		spawn, \
+		{ .cmd = "exec `ls -lL /usr/bin /usr/local/bin 2>/dev/null |" \
+		" awk 'NF>2 && $1 ~ /^[^d].*x/ {print $NF}' | sort | uniq | dmenu`" } }, \
+	{ MODKEY,		XK_space,	togglemode,	{ 0 } }, \
+	{ MODKEY,		XK_Return,	zoom,		{ 0 } }, \
+	{ MODKEY|ControlMask,	XK_0,		appendtag,	{ .i = 0 } }, \
+	{ MODKEY|ControlMask,	XK_1,		appendtag,	{ .i = 1 } }, \
+	{ MODKEY|ControlMask,	XK_2,		appendtag,	{ .i = 2 } }, \
+	{ MODKEY|ControlMask,	XK_3,		appendtag,	{ .i = 3 } }, \
+	{ MODKEY|ControlMask,	XK_4,		appendtag,	{ .i = 4 } }, \
+	{ MODKEY|ShiftMask,	XK_0,		replacetag,	{ .i = 0 } }, \
+	{ MODKEY|ShiftMask,	XK_1,		replacetag,	{ .i = 1 } }, \
+	{ MODKEY|ShiftMask,	XK_2,		replacetag,	{ .i = 2 } }, \
+	{ MODKEY|ShiftMask,	XK_3,		replacetag,	{ .i = 3 } }, \
+	{ MODKEY|ShiftMask,	XK_4,		replacetag,	{ .i = 5 } }, \
+	{ MODKEY|ShiftMask,	XK_c,		killclient,	{ 0 } }, \
+	{ MODKEY|ShiftMask,	XK_q,		quit,		{ 0 } }, \
+	{ MODKEY|ShiftMask,	XK_Return,	spawn, \
+		{ .cmd = "exec urxvt -tr +sb -bg black -fg white -cr white " \
+			"-fn '-*-terminus-medium-*-*-*-13-*-*-*-*-*-iso10646-*'" } }, \
+};
+
+#define RULES \
+static Rule rule[] = { \
+	/* class:instance regex		tags regex	isfloat */ \
+	{ "Firefox.*",			"net",		False }, \
+	{ "Gimp.*",			NULL,		True}, \
+	{ "MPlayer.*",			NULL,		True}, \
+	{ "Acroread.*",			NULL,		True}, \
+};

config.default.h

@@ -0,0 +1,54 @@
+/*
+ * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+
+#define TAGS \
+const char *tags[] = { "0", "1", "2", "3", "4", NULL };
+
+#define DEFMODE			dotile /* dofloat */
+#define DEFTAG			1 /* index */
+#define FONT			"fixed"
+#define BGCOLOR			"#666699"
+#define FGCOLOR			"#eeeeee"
+#define BORDERCOLOR		"#9999CC"
+#define MODKEY			Mod1Mask
+#define NUMLOCKMASK		Mod2Mask
+#define MASTERW			60 /* percent */
+
+#define KEYS \
+static Key key[] = { \
+	/* modifier		key		function	arguments */ \
+	{ MODKEY,		XK_0,		view,		{ .i = 0 } }, \
+	{ MODKEY,		XK_1,		view,		{ .i = 1 } }, \
+	{ MODKEY,		XK_2,		view,		{ .i = 2 } }, \
+	{ MODKEY,		XK_3,		view,		{ .i = 3 } }, \
+	{ MODKEY,		XK_4,		view,		{ .i = 4 } }, \
+	{ MODKEY,		XK_h,		viewprev,	{ 0 } }, \
+	{ MODKEY,		XK_j,		focusnext,	{ 0 } }, \
+	{ MODKEY,		XK_k,		focusprev,	{ 0 } }, \
+	{ MODKEY,		XK_l,		viewnext,	{ 0 } }, \
+	{ MODKEY,		XK_m,		togglemax,	{ 0 } }, \
+	{ MODKEY,		XK_space,	togglemode,	{ 0 } }, \
+	{ MODKEY,		XK_Return,	zoom,		{ 0 } }, \
+	{ MODKEY|ControlMask,	XK_0,		appendtag,	{ .i = 0 } }, \
+	{ MODKEY|ControlMask,	XK_1,		appendtag,	{ .i = 1 } }, \
+	{ MODKEY|ControlMask,	XK_2,		appendtag,	{ .i = 2 } }, \
+	{ MODKEY|ControlMask,	XK_3,		appendtag,	{ .i = 3 } }, \
+	{ MODKEY|ControlMask,	XK_4,		appendtag,	{ .i = 4 } }, \
+	{ MODKEY|ShiftMask,	XK_0,		replacetag,	{ .i = 0 } }, \
+	{ MODKEY|ShiftMask,	XK_1,		replacetag,	{ .i = 1 } }, \
+	{ MODKEY|ShiftMask,	XK_2,		replacetag,	{ .i = 2 } }, \
+	{ MODKEY|ShiftMask,	XK_3,		replacetag,	{ .i = 3 } }, \
+	{ MODKEY|ShiftMask,	XK_4,		replacetag,	{ .i = 4 } }, \
+	{ MODKEY|ShiftMask,	XK_c,		killclient,	{ 0 } }, \
+	{ MODKEY|ShiftMask,	XK_q,		quit,		{ 0 } }, \
+	{ MODKEY|ShiftMask,	XK_Return,	spawn,		{ .cmd = "exec xterm" } }, \
+};
+
+#define RULES \
+static Rule rule[] = { \
+	/* class:instance regex		tags regex	isfloat */ \
+	{ "Firefox.*",			"2",		False }, \
+	{ "Gimp.*",			NULL,		True}, \
+};

config.mk

@@ -1,4 +1,7 @@
-# Customize to fit your system
+# dwm version
+VERSION = 0.7
+
+# Customize below to fit your system
 
 # paths
 PREFIX = /usr/local
@@ -7,24 +10,15 @@ MANPREFIX = ${PREFIX}/share/man
 X11INC = /usr/X11R6/include
 X11LIB = /usr/X11R6/lib
 
-VERSION = 0.4
-
 # includes and libs
-LIBS = -L${PREFIX}/lib -L/usr/lib -lc -L${X11LIB} -lX11
+INCS = -I/usr/lib -I${X11INC}
+LIBS = -L/usr/lib -lc -L${X11LIB} -lX11
 
-# Linux/BSD
-CFLAGS = -O3 -I. -I${PREFIX}/include -I/usr/include -I${X11INC} \
-	-DVERSION=\"${VERSION}\"
+# flags
+CFLAGS = -Os ${INCS} -DVERSION=\"${VERSION}\"
 LDFLAGS = ${LIBS}
-#CFLAGS = -g -Wall -O2 -I. -I${PREFIX}/include -I/usr/include -I${X11INC} \
-#	-DVERSION=\"${VERSION}\"
+#CFLAGS = -g -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\"
 #LDFLAGS = -g ${LIBS}
 
-
-# Solaris
-#CFLAGS = -fast -xtarget=ultra ${INCLUDES} -DVERSION=\"${VERSION}\"
-#LIBS += -lnsl -lsocket
-
-AR = ar cr
+# compiler
 CC = cc
-RANLIB = ranlib

draw.c

@@ -3,7 +3,6 @@
  * See LICENSE file for license details.
  */
 #include "dwm.h"
-
 #include <stdio.h>
 #include <string.h>
 #include <X11/Xlocale.h>
@@ -14,6 +13,7 @@ static void
 drawborder(void)
 {
 	XPoint points[5];
+
 	XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
 	XSetForeground(dpy, dc.gc, dc.border);
 	points[0].x = dc.x;
@@ -30,9 +30,10 @@ drawborder(void)
 }
 
 static unsigned int
-textnw(char *text, unsigned int len)
+textnw(const char *text, unsigned int len)
 {
 	XRectangle r;
+
 	if(dc.font.set) {
 		XmbTextExtents(dc.font.set, text, len, NULL, &r);
 		return r.width;
@@ -44,8 +45,8 @@ static void
 drawtext(const char *text, Bool invert, Bool border)
 {
 	int x, y, w, h;
-	unsigned int len;
 	static char buf[256];
+	unsigned int len;
 	XGCValues gcv;
 	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
 
@@ -97,7 +98,7 @@ drawall()
 {
 	Client *c;
 
-	for(c = clients; c; c = getnext(c->next, tsel))
+	for(c = clients; c; c = getnext(c->next))
 		drawtitle(c);
 	drawstatus();
 }
@@ -105,7 +106,7 @@ drawall()
 void
 drawstatus()
 {
-	int i;
+	int i, x;
 	Bool istile = arrange == dotile;
 
 	dc.x = dc.y = 0;
@@ -113,7 +114,7 @@ drawstatus()
 	drawtext(NULL, !istile, False);
 
 	dc.w = 0;
-	for(i = 0; i < TLast; i++) {
+	for(i = 0; i < ntags; i++) {
 		dc.x += dc.w;
 		dc.w = textw(tags[i]);
 		if(istile)
@@ -121,15 +122,14 @@ drawstatus()
 		else
 			drawtext(tags[i], (i != tsel), True);
 	}
-	if(sel) {
-		dc.x += dc.w;
-		dc.w = textw(sel->name);
-		drawtext(sel->name, istile, True);
-	}
+	x = dc.x + dc.w;
 	dc.w = textw(stext);
 	dc.x = bx + bw - dc.w;
 	drawtext(stext, !istile, False);
-
+	if(sel && ((dc.w = dc.x - x) >= bh)) {
+		dc.x = x;
+		drawtext(sel->name, istile, True);
+	}
 	XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
 	XSync(dpy, False);
 }
@@ -153,11 +153,11 @@ drawtitle(Client *c)
 	dc.x = dc.y = 0;
 
 	dc.w = 0;
-	for(i = 0; i < TLast; i++) {
+	for(i = 0; i < ntags; i++) {
 		if(c->tags[i]) {
 			dc.x += dc.w;
-			dc.w = textw(c->tags[i]);
-			drawtext(c->tags[i], !istile, True);
+			dc.w = textw(tags[i]);
+			drawtext(tags[i], !istile, True);
 		}
 	}
 	dc.x += dc.w;
@@ -170,8 +170,8 @@ drawtitle(Client *c)
 unsigned long
 getcolor(const char *colstr)
 {
-	XColor color;
 	Colormap cmap = DefaultColormap(dpy, screen);
+	XColor color;
 
 	XAllocNamedColor(dpy, cmap, colstr, &color, &color);
 	return color.pixel;
@@ -229,7 +229,7 @@ setfont(const char *fontstr)
 }
 
 unsigned int
-textw(char *text)
+textw(const char *text)
 {
 	return textnw(text, strlen(text)) + dc.font.height;
 }

dwm.1

@@ -1,4 +1,4 @@
-.TH DWM 1 dwm-0.4
+.TH DWM 1 dwm-0.7
 .SH NAME
 dwm \- dynamic window manager
 .SH SYNOPSIS
@@ -7,24 +7,25 @@ dwm \- dynamic window manager
 .SH DESCRIPTION
 .B dwm
 is a dynamic window manager for X11. It manages windows in tiling and floating
-modes. Either mode can be applied dynamically, depending on the application in
-use and the task performed.
+modes. Either mode can be applied dynamically, optimizing the environment for
+the application in use and the task performed.
 .P
 In tiling mode windows are managed in a master and stacking column. The master
-column contains the window which needs most attention at a time, whereas the
-stacking column contains all other windows in a stack.  Dialog windows are
-managed floating, however. In floating mode windows can be resized and moved
-freely.
+column contains the window which currently needs most attention, whereas the
+stacking column contains all other windows. In floating mode windows can be
+resized and moved freely. Dialog windows are always managed floating,
+regardless of the mode selected.
 .P
-Windows are grouped by tags. All windows with a specific tag can be viewed at a
-time. But each window may contain more than one tag, which makes it visible in
-several views.
+Windows are grouped by tags. Each window can be tagged with one or multiple
+tags. Selecting a certain tag for viewing will display all windows with that
+tag.
 .P
 .B dwm
-consists of a small status bar which reads the text displayed from standard
-input, if written. It draws 1-pixel borders around windows to indicate the
-focus state. Unfocused windows contain a small bar in front of the window
-displaying the tags and the window title.
+has a small status bar which displays the text read from standard
+input, if written. Besides that, it displays all available tags, and the title
+of the focused window. It draws a 1-pixel border around windows to
+indicate the focus state. Unfocused windows contain a small bar in front of
+them displaying their tags and title.
 .SH OPTIONS
 .TP
 .B \-v
@@ -38,37 +39,42 @@ to the
 .B master
 column
 .TP
-.B Mod1-k
+.B Mod1-h
 Focus previous
-.B window
+.B tag
 .TP
 .B Mod1-j
 Focus next
 .B window
 .TP
+.B Mod1-k
+Focus previous
+.B window
+.TP
+.B Mod1-l
+Focus next
+.B tag
+.TP
 .B Mod1-m
 Maximize current
 .B window
 .TP
 .B Mod1-[0..n]
 Focus
-.B nth
-tag
+.B nth tag
 .TP
 .B Mod1-space
-(Re-)arrange
-.B all
-windows tiled
-.TP
-.B Mod1-Shift-space
-(Re-)arrange
-.B all
-windows floating
+Toggle between
+.B tiled
+and
+.B floating
+mode (affects
+.BR "all windows" )
 .TP
 .B Mod1-Shift-[0..n]
 Apply
-.B nth
-tag to current
+.B nth tag
+to current
 .B window
 .TP
 .B Mod1-Shift-q
@@ -79,33 +85,12 @@ Quit
 Start
 .B terminal
 .TP
-.B Mod1-Shift-w
-Start
-.B web browser
-.TP
-.B Mod1-Shift-l
-Lock
-.B screen
-.TP
-.B Control-[0..n]
+.B Mod1-Control-[0..n]
 Append
-.B nth
-tag to current
+.B nth tag
+to current
 .B window
 .TP
-.B Control-Shift-[0..n]
-Replace current
-.B window
-of
-.B nth
-tag with current tag.
-.B window
-.TP
-.B Control-Button1
-Zooms the clicked
-.B window
-to master column
-.TP
 .B Mod1-Button1
 Moves current
 .B window
@@ -121,7 +106,7 @@ Resizes current
 while dragging
 .SH CUSTOMIZATION
 .B dwm
-is customized through editing its source code.  This keeps it fast, secure and
-simple. The source code contains the
-.I CUSTOMIZE
-keyword to highlight relevant portions for customization.
+is customized by creating a custom config.h and (re)compiling the source
+code. This keeps it fast, secure and simple.
+.SH SEE ALSO
+.BR dmenu (1)

dwm.h

@@ -3,36 +3,21 @@
  * See LICENSE file for license details.
  */
 
+#include "config.h"
 #include <X11/Xlib.h>
 
-/********** CUSTOMIZE **********/
-
-#define FONT				"-*-terminus-medium-*-*-*-13-*-*-*-*-*-iso10646-*"
-#define BGCOLOR				"#0a2c2d"
-#define FGCOLOR				"#ddeeee"
-#define BORDERCOLOR			"#176164"
-#define MODKEY				 Mod1Mask /* Mod4Mask */
-/*
-#define BGCOLOR				"#666699"
-#define FGCOLOR				"#eeeeee"
-#define BORDERCOLOR			"#9999CC"
-*/
-#define MASTERW				52 /* percent */
-#define WM_PROTOCOL_DELWIN	1
-
-/* tags */
-enum { Tscratch, Tdev, Twww, Twork, TLast };
-
-/********** CUSTOMIZE **********/
+/* mask shorthands, used in event.c and client.c */
+#define BUTTONMASK		(ButtonPressMask | ButtonReleaseMask)
+#define MOUSEMASK		(BUTTONMASK | PointerMotionMask)
+#define PROTODELWIN		1
 
 typedef union Arg Arg;
 typedef struct Client Client;
-typedef enum Corner Corner;
 typedef struct DC DC;
 typedef struct Fnt Fnt;
 
 union Arg {
-	const char **argv;
+	const char *cmd;
 	int i;
 };
 
@@ -43,7 +28,8 @@ enum { WMProtocols, WMDelete, WMLast };
 /* cursor */
 enum { CurNormal, CurResize, CurMove, CurLast };
 
-enum Corner { TopLeft, TopRight, BotLeft, BotRight };
+/* windowcorners */
+typedef enum { TopLeft, TopRight, BotLeft, BotRight } Corner;
 
 struct Fnt {
 	int ascent;
@@ -65,23 +51,26 @@ struct DC { /* draw context */
 
 struct Client {
 	char name[256];
-	char *tags[TLast];
 	int proto;
 	int x, y, w, h;
 	int tx, ty, tw, th; /* title */
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
 	int grav;
-	unsigned int border;
 	long flags; 
+	unsigned int border;
 	Bool isfloat;
+	Bool ismax;
+	Bool *tags;
 	Client *next;
-	Client *revert;
+	Client *prev;
 	Window win;
 	Window title;
 };
 
-extern char *tags[TLast], stext[1024];
+extern const char *tags[];
+extern char stext[1024];
 extern int tsel, screen, sx, sy, sw, sh, bx, by, bw, bh, mw;
+extern unsigned int ntags;
 extern void (*handler[LASTEvent])(XEvent *);
 extern void (*arrange)(Arg *);
 extern Atom wmatom[WMLast], netatom[NetLast];
@@ -104,11 +93,10 @@ extern void higher(Client *c);
 extern void killclient(Arg *arg);
 extern void lower(Client *c);
 extern void manage(Window w, XWindowAttributes *wa);
-extern void maximize(Arg *arg);
-extern void pop(Client *c);
-extern void resize(Client *c, Bool inc, Corner sticky);
+extern void resize(Client *c, Bool sizehints, Corner sticky);
 extern void setsize(Client *c);
 extern void settitle(Client *c);
+extern void togglemax(Arg *arg);
 extern void unmanage(Client *c);
 extern void zoom(Arg *arg);
 
@@ -118,7 +106,7 @@ extern void drawstatus();
 extern void drawtitle(Client *c);
 extern unsigned long getcolor(const char *colstr);
 extern void setfont(const char *fontstr);
-extern unsigned int textw(char *text);
+extern unsigned int textw(const char *text);
 
 /* event.c */
 extern void grabkeys();
@@ -133,11 +121,15 @@ extern int xerror(Display *dsply, XErrorEvent *ee);
 extern void appendtag(Arg *arg);
 extern void dofloat(Arg *arg);
 extern void dotile(Arg *arg);
-extern Client *getnext(Client *c, unsigned int t);
-extern void heretag(Arg *arg);
+extern void initrregs();
+extern Client *getnext(Client *c);
+extern Client *getprev(Client *c);
 extern void replacetag(Arg *arg);
 extern void settags(Client *c);
+extern void togglemode(Arg *arg);
 extern void view(Arg *arg);
+extern void viewnext(Arg *arg);
+extern void viewprev(Arg *arg);
 
 /* util.c */
 extern void *emallocz(unsigned int size);

dwm.html

@@ -39,7 +39,7 @@
 		</p>
 		<ul>
 			<li>
-			dwm has no Lua integration, no 9P support, no menu, no editable
+			dwm has no Lua integration, no 9P support, no editable
 			tagbars, no shell-based configuration, no remote control, and comes
 			without any additional tools like printing the selection or warping
 			the mouse.
@@ -67,7 +67,7 @@
 			and status text read from standard input. You don't have to learn
 			Lua/sh/ruby or some weird configuration file format (like X
 			resource files), beside C to customize it for your needs,
-			you <b>only</b> have to learn C.
+			you <b>only</b> have to learn C (at least editing header files).
 			</li>
 			<li>
 			Because dwm is customized through editing its source code, it's
@@ -88,15 +88,23 @@
 			It can be downloaded and distributed under the conditions
 			of the <a href="http://10kloc.org/cgi-bin/hgwebdir.cgi/dwm?f=f10eb1139362;file=LICENSE;style=raw">MIT/X Consortium license</a>.
 			</li>
+			<li>
+			Optionally you can install <b>dmenu</b> to extend dwm with a wmii-alike menu.
+			</li>
 		</ul>
 		<h4>Links</h4>
 		<ul>
 			<li><a href="http://10kloc.org/cgi-bin/man/man2html?query=dwm">Man page</a></li>
-			<li><a href="http://10kloc.org/shots/dwm-20060714.png">Screenshot</a> (20060714)</li>
+			<li><a href="http://10kloc.org/shots/dwm-20060801.png">Screenshot</a> (20060801)</li>
 			<li><a href="http://10kloc.org/download/poster.ps">A4 poster (PostScript)</a></li>
 			<li>Mailing List: <a href="http://10kloc.org/cgi-bin/mailman/listinfo/dwm">dwm at wmii dot de</a> <a href="http://10kloc.org/pipermail/dwm/">(Archives)</a></li>
 			<li>IRC channel: <code>#dwm</code> at <code>irc.oftc.net</code></li>
 		</ul>
+		<h3>Download</h3>
+		<ul>
+			<li><a href="http://10kloc.org/download/dwm-0.7.tar.gz">dwm 0.7</a> (14kb) (20060807)</li>
+			<li><a href="http://10kloc.org/download/dmenu-0.2.tar.gz">dmenu 0.2</a> (7kb) (20060807)</li>
+		</ul>
 		<h3>Development</h3>
 		<p>
 		dwm is actively developed in parallel to wmii. You can <a href="http://10kloc.org/cgi-bin/hgwebdir.cgi/dwm">browse</a> its source code repository or get a copy using <a href="http://www.selenic.com/mercurial/">Mercurial</a> with following command:
@@ -104,15 +112,14 @@
 		<p>
 		<code>hg clone http://10kloc.org/cgi-bin/hgwebdir.cgi/dwm</code>
 		</p>
-		<h3>Download</h3>
-		<ul>
-			<li><a href="http://10kloc.org/download/dwm-0.4.tar.gz">dwm 0.4</a> (13kb) (20060720)</li>
-		</ul>
+		<p>
+		<code>hg clone http://10kloc.org/cgi-bin/hgwebdir.cgi/dmenu</code>
+		</p>
 		<h3>Miscellaneous</h3>
 		<p>
 		You can purchase this <a href="https://www.spreadshirt.net/shop.php?op=article&article_id=3298632&view=403">tricot</a>
 		if you like dwm and the dwm logo, which has been designed by Anselm.
 		</p>
-		<p><small>--Anselm (20060719)</small></p>
+		<p><small>--Anselm</small></p>
 	</body>
 </html>

event.c

@@ -3,15 +3,11 @@
  * See LICENSE file for license details.
  */
 #include "dwm.h"
-
 #include <stdlib.h>
 #include <X11/keysym.h>
 #include <X11/Xatom.h>
 
-#define ButtonMask      (ButtonPressMask | ButtonReleaseMask)
-#define MouseMask       (ButtonMask | PointerMotionMask)
-
-/* CUSTOMIZE */
+/* static */
 
 typedef struct {
 	unsigned long mod;
@@ -20,70 +16,26 @@ typedef struct {
 	Arg arg;
 } Key;
 
-/*
-const char *browse[] = { "firefox", NULL };
-const char *gimp[] = { "gimp", NULL };
-*/
-const char *term[] = { "xterm", NULL };
-/*
-	"urxvtc", "-tr", "+sb", "-bg", "black", "-fg", "white", "-cr", "white",
-	"-fn", "-*-terminus-medium-*-*-*-13-*-*-*-*-*-iso10646-*", NULL
-};
-coonst char *xlock[] = { "xlock", NULL };
-*/
+KEYS
 
-static Key key[] = {
-	/* modifier				key			function	arguments */
-	{ ControlMask,			XK_0,		appendtag,	{ .i = Tscratch } }, 
-	{ ControlMask,			XK_1,		appendtag,	{ .i = Tdev } }, 
-	{ ControlMask,			XK_2,		appendtag,	{ .i = Twww } }, 
-	{ ControlMask,			XK_3,		appendtag,	{ .i = Twork } }, 
-	{ MODKEY,				XK_0,		view,		{ .i = Tscratch } }, 
-	{ MODKEY,				XK_1,		view,		{ .i = Tdev } }, 
-	{ MODKEY,				XK_2,		view,		{ .i = Twww } }, 
-	{ MODKEY,				XK_3,		view,		{ .i = Twork } }, 
-	{ MODKEY,				XK_j,		focusnext,		{ 0 } }, 
-	{ MODKEY,				XK_k,		focusprev,		{ 0 } },
-	{ MODKEY,				XK_m,		maximize,		{ 0 } }, 
-	{ MODKEY,				XK_space,	dotile,		{ 0 } }, 
-	{ MODKEY,				XK_Return,	zoom,		{ 0 } },
-	{ ControlMask|ShiftMask,XK_0,		heretag,	{ .i = Tscratch } }, 
-	{ ControlMask|ShiftMask,XK_1,		heretag,	{ .i = Tdev } }, 
-	{ ControlMask|ShiftMask,XK_2,		heretag,	{ .i = Twww } }, 
-	{ ControlMask|ShiftMask,XK_3,		heretag,	{ .i = Twork } }, 
-	{ MODKEY|ShiftMask,		XK_0,		replacetag,		{ .i = Tscratch } }, 
-	{ MODKEY|ShiftMask,		XK_1,		replacetag,		{ .i = Tdev } }, 
-	{ MODKEY|ShiftMask,		XK_2,		replacetag,		{ .i = Twww } }, 
-	{ MODKEY|ShiftMask,		XK_3,		replacetag,		{ .i = Twork } }, 
-	{ MODKEY|ShiftMask,		XK_c,		killclient,		{ 0 } }, 
-	/*
-	{ MODKEY|ShiftMask,		XK_g,		spawn,		{ .argv = gimp } },
-	{ MODKEY|ShiftMask,		XK_l,		spawn,		{ .argv = xlock } },
-	*/
-	{ MODKEY|ShiftMask,		XK_q,		quit,		{ 0 } },
-	{ MODKEY|ShiftMask,		XK_space,	dofloat,	{ 0 } }, 
-	/*{ MODKEY|ShiftMask,		XK_w,		spawn,		{ .argv = browse } },*/
-	{ MODKEY|ShiftMask,		XK_Return,	spawn,		{ .argv = term } },
-};
-
-/* static */
+#define CLEANMASK(mask) (mask & ~(NUMLOCKMASK | LockMask))
 
 static void
 movemouse(Client *c)
 {
-	XEvent ev;
 	int x1, y1, ocx, ocy, di;
 	unsigned int dui;
 	Window dummy;
+	XEvent ev;
 
 	ocx = c->x;
 	ocy = c->y;
-	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
+	if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 			None, cursor[CurMove], CurrentTime) != GrabSuccess)
 		return;
 	XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
 	for(;;) {
-		XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
+		XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
 		switch (ev.type) {
 		default: break;
 		case Expose:
@@ -105,18 +57,18 @@ movemouse(Client *c)
 static void
 resizemouse(Client *c)
 {
-	XEvent ev;
 	int ocx, ocy;
 	Corner sticky;
+	XEvent ev;
 
 	ocx = c->x;
 	ocy = c->y;
-	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
+	if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 				None, cursor[CurResize], CurrentTime) != GrabSuccess)
 		return;
 	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
 	for(;;) {
-		XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
+		XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
 		switch(ev.type) {
 		default: break;
 		case Expose:
@@ -146,14 +98,14 @@ buttonpress(XEvent *e)
 {
 	int x;
 	Arg a;
-	XButtonPressedEvent *ev = &e->xbutton;
 	Client *c;
+	XButtonPressedEvent *ev = &e->xbutton;
 
 	if(barwin == ev->window) {
 		switch(ev->button) {
 		default:
 			x = 0;
-			for(a.i = 0; a.i < TLast; a.i++) {
+			for(a.i = 0; a.i < ntags; a.i++) {
 				x += textw(tags[a.i]);
 				if(ev->x < x) {
 					view(&a);
@@ -162,25 +114,20 @@ buttonpress(XEvent *e)
 			}
 			break;
 		case Button4:
-			a.i = (tsel + 1 < TLast) ? tsel + 1 : 0;
-			view(&a);
+			viewnext(&a);
 			break;
 		case Button5:
-			a.i = (tsel - 1 >= 0) ? tsel - 1 : TLast - 1;
-			view(&a);
+			viewprev(&a);
 			break;
 		}
 	}
 	else if((c = getclient(ev->window))) {
+		focus(c);
 		switch(ev->button) {
 		default:
 			break;
 		case Button1:
-			if(arrange == dotile && !c->isfloat) {
-				if((ev->state & ControlMask) && (ev->button == Button1))
-					zoom(NULL);
-			}
-			else {
+			if(!c->ismax && (arrange == dofloat || c->isfloat)) {
 				higher(c);
 				movemouse(c);
 			}
@@ -189,7 +136,7 @@ buttonpress(XEvent *e)
 			lower(c);
 			break;
 		case Button3:
-			if(arrange == dofloat || c->isfloat) {
+			if(!c->ismax && (arrange == dofloat || c->isfloat)) {
 				higher(c);
 				resizemouse(c);
 			}
@@ -201,11 +148,12 @@ buttonpress(XEvent *e)
 static void
 configurerequest(XEvent *e)
 {
-	XConfigureRequestEvent *ev = &e->xconfigurerequest;
-	XWindowChanges wc;
 	Client *c;
+	XConfigureRequestEvent *ev = &e->xconfigurerequest;
+	XEvent synev;
+	XWindowChanges wc;
+	unsigned long newmask;
 
-	ev->value_mask &= ~CWSibling;
 	if((c = getclient(ev->window))) {
 		gravitate(c, True);
 		if(ev->value_mask & CWX)
@@ -217,23 +165,47 @@ configurerequest(XEvent *e)
 		if(ev->value_mask & CWHeight)
 			c->h = ev->height;
 		if(ev->value_mask & CWBorderWidth)
-			c->border = 1;
+			c->border = ev->border_width;
 		gravitate(c, False);
-		resize(c, True, TopLeft);
+		wc.x = c->x;
+		wc.y = c->y;
+		wc.width = c->w;
+		wc.height = c->h;
+		newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth));
+		if(newmask)
+			XConfigureWindow(dpy, c->win, newmask, &wc);
+		else {
+			synev.type = ConfigureNotify;
+			synev.xconfigure.display = dpy;
+			synev.xconfigure.event = c->win;
+			synev.xconfigure.window = c->win;
+			synev.xconfigure.x = c->x;
+			synev.xconfigure.y = c->y;
+			synev.xconfigure.width = c->w;
+			synev.xconfigure.height = c->h;
+			synev.xconfigure.border_width = c->border;
+			synev.xconfigure.above = None;
+			/* Send synthetic ConfigureNotify */
+			XSendEvent(dpy, c->win, True, NoEventMask, &synev);
 		}
-
+		XSync(dpy, False);
+		if(c->isfloat)
+			resize(c, False, TopLeft);
+		else
+			arrange(NULL);
+	}
+	else {
 		wc.x = ev->x;
 		wc.y = ev->y;
 		wc.width = ev->width;
 		wc.height = ev->height;
-	wc.border_width = 1;
-	wc.sibling = None;
-	wc.stack_mode = Above;
-	ev->value_mask &= ~CWStackMode;
-	ev->value_mask |= CWBorderWidth;
+		wc.border_width = ev->border_width;
+		wc.sibling = ev->above;
+		wc.stack_mode = ev->detail;
 		XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
 		XSync(dpy, False);
 	}
+}
 
 static void
 destroynotify(XEvent *e)
@@ -248,13 +220,13 @@ destroynotify(XEvent *e)
 static void
 enternotify(XEvent *e)
 {
-	XCrossingEvent *ev = &e->xcrossing;
 	Client *c;
+	XCrossingEvent *ev = &e->xcrossing;
 
-	if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
+	if(ev->detail == NotifyInferior)
 		return;
 
-	if((c = getclient(ev->window)))
+	if((c = getclient(ev->window)) || (c = getctitle(ev->window)))
 		focus(c);
 	else if(ev->window == root)
 		issel = True;
@@ -263,8 +235,8 @@ enternotify(XEvent *e)
 static void
 expose(XEvent *e)
 {
-	XExposeEvent *ev = &e->xexpose;
 	Client *c;
+	XExposeEvent *ev = &e->xexpose;
 
 	if(ev->count == 0) {
 		if(barwin == ev->window)
@@ -277,14 +249,15 @@ expose(XEvent *e)
 static void
 keypress(XEvent *e)
 {
-	XKeyEvent *ev = &e->xkey;
-	static unsigned int len = key ? sizeof(key) / sizeof(key[0]) : 0;
+	static unsigned int len = sizeof(key) / sizeof(key[0]);
 	unsigned int i;
 	KeySym keysym;
+	XKeyEvent *ev = &e->xkey;
 
 	keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
 	for(i = 0; i < len; i++)
-		if((keysym == key[i].keysym) && (key[i].mod == ev->state)) {
+		if(keysym == key[i].keysym &&
+				CLEANMASK(key[i].mod) == CLEANMASK(ev->state)) {
 			if(key[i].func)
 				key[i].func(&key[i].arg);
 			return;
@@ -303,8 +276,8 @@ leavenotify(XEvent *e)
 static void
 maprequest(XEvent *e)
 {
-	XMapRequestEvent *ev = &e->xmaprequest;
 	static XWindowAttributes wa;
+	XMapRequestEvent *ev = &e->xmaprequest;
 
 	if(!XGetWindowAttributes(dpy, ev->window, &wa))
 		return;
@@ -322,9 +295,9 @@ maprequest(XEvent *e)
 static void
 propertynotify(XEvent *e)
 {
-	XPropertyEvent *ev = &e->xproperty;
-	Window trans;
 	Client *c;
+	Window trans;
+	XPropertyEvent *ev = &e->xproperty;
 
 	if(ev->state == PropertyDelete)
 		return; /* ignore */
@@ -380,14 +353,27 @@ void (*handler[LASTEvent]) (XEvent *) = {
 void
 grabkeys()
 {
-	static unsigned int len = key ? sizeof(key) / sizeof(key[0]) : 0;
+	static unsigned int len = sizeof(key) / sizeof(key[0]);
 	unsigned int i;
 	KeyCode code;
 
 	for(i = 0; i < len; i++) {
 		code = XKeysymToKeycode(dpy, key[i].keysym);
+		/* normal */
 		XUngrabKey(dpy, code, key[i].mod, root);
 		XGrabKey(dpy, code, key[i].mod, root, True,
 				GrabModeAsync, GrabModeAsync);
+		/* capslock */
+		XUngrabKey(dpy, code, key[i].mod | LockMask, root);
+		XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
+				GrabModeAsync, GrabModeAsync);
+		/* numlock */
+		XUngrabKey(dpy, code, key[i].mod | NUMLOCKMASK, root);
+		XGrabKey(dpy, code, key[i].mod | NUMLOCKMASK, root, True,
+				GrabModeAsync, GrabModeAsync);
+		/* capslock & numlock */
+		XUngrabKey(dpy, code, key[i].mod | NUMLOCKMASK | LockMask, root);
+		XGrabKey(dpy, code, key[i].mod | NUMLOCKMASK | LockMask, root, True,
+				GrabModeAsync, GrabModeAsync);
 	}
 }

main.c

@@ -4,21 +4,20 @@
  */
 
 #include "dwm.h"
-
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <sys/select.h>
 #include <X11/cursorfont.h>
 #include <X11/Xatom.h>
 #include <X11/Xproto.h>
 
-
 /* static */
 
-static Bool otherwm;
 static int (*xerrorxlib)(Display *, XErrorEvent *);
+static Bool otherwm;
 
 static void
 cleanup()
@@ -34,9 +33,8 @@ static void
 scan()
 {
 	unsigned int i, num;
-	Window *wins;
+	Window *wins, d1, d2;
 	XWindowAttributes wa;
-	Window d1, d2;
 
 	if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
 		for(i = 0; i < num; i++) {
@@ -55,10 +53,9 @@ scan()
 static int
 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
 {
-	Atom real;
-	int format;
+	int status, format;
 	unsigned long res, extra;
-	int status;
+	Atom real;
 
 	status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format,
 			&res, &extra, prop);
@@ -86,8 +83,9 @@ xerrorstart(Display *dsply, XErrorEvent *ee)
 /* extern */
 
 char stext[1024];
-int tsel = Tdev; /* default tag */
+int tsel = DEFTAG;
 int screen, sx, sy, sw, sh, bx, by, bw, bh, mw;
+unsigned int ntags;
 Atom wmatom[WMLast], netatom[NetLast];
 Bool running = True;
 Bool issel = True;
@@ -101,18 +99,19 @@ Window root, barwin;
 int
 getproto(Window w)
 {
-	unsigned char *protocols;
-	long res;
 	int protos = 0;
 	int i;
+	long res;
+	Atom *protocols;
 
-	res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, &protocols);
+	res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L,
+			((unsigned char **)&protocols));
 	if(res <= 0) {
 		return protos;
 	}
 	for(i = 0; i < res; i++) {
 		if(protocols[i] == wmatom[WMDelete])
-			protos |= WM_PROTOCOL_DELWIN;
+			protos |= PROTODELWIN;
 	}
 	free((char *) protocols);
 	return protos;
@@ -148,18 +147,12 @@ int
 xerror(Display *dpy, XErrorEvent *ee)
 {
 	if(ee->error_code == BadWindow
-			|| (ee->request_code == X_SetInputFocus
-				&& ee->error_code == BadMatch)
-			|| (ee->request_code == X_PolyText8
-				&& ee->error_code == BadDrawable)
-			|| (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_GrabKey
-				&& ee->error_code == BadAccess))
+	|| (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
+	|| (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
+	|| (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_GrabKey && ee->error_code == BadAccess))
 		return 0;
 	fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
 		ee->request_code, ee->error_code);
@@ -169,37 +162,31 @@ xerror(Display *dpy, XErrorEvent *ee)
 int
 main(int argc, char *argv[])
 {
-	int i, n;
-	fd_set rd;
-	XSetWindowAttributes wa;
+	int i;
 	unsigned int mask;
-	Bool readstdin = True;
+	fd_set rd;
+	Bool readin = True;
 	Window w;
 	XEvent ev;
+	XSetWindowAttributes wa;
 
-	for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) {
-		switch (argv[i][1]) {
-		default:
-			eprint("usage: dwm [-v]\n");
-			break;
-		case 'v':
+	if(argc == 2 && !strncmp("-v", argv[1], 3)) {
 		fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
 		exit(EXIT_SUCCESS);
-			break;
-		}
 	}
+	else if(argc != 1)
+		eprint("usage: dwm [-v]\n");
 
 	dpy = XOpenDisplay(0);
 	if(!dpy)
-		eprint("dwm: cannot connect X server\n");
+		eprint("dwm: cannot open display\n");
 
 	screen = DefaultScreen(dpy);
 	root = RootWindow(dpy, screen);
 
-	/* check if another WM is already running */
 	otherwm = False;
 	XSetErrorHandler(xerrorstart);
-	/* this causes an error if some other WM is running */
+	/* this causes an error if some other window manager is running */
 	XSelectInput(dpy, root, SubstructureRedirectMask);
 	XSync(dpy, False);
 
@@ -223,6 +210,9 @@ main(int argc, char *argv[])
 	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
 
 	grabkeys();
+	initrregs();
+
+	for(ntags = 0; tags[ntags]; ntags++);
 
 	/* style */
 	dc.bg = getcolor(BGCOLOR);
@@ -254,21 +244,17 @@ main(int argc, char *argv[])
 
 	issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
 
-	wa.event_mask = SubstructureRedirectMask | EnterWindowMask \
-					| LeaveWindowMask;
+	wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask;
 	wa.cursor = cursor[CurNormal];
-
 	XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
 
 	strcpy(stext, "dwm-"VERSION);
-
 	scan();
 
 	/* main event loop, reads status text from stdin as well */
-Mainloop:
 	while(running) {
 		FD_ZERO(&rd);
-		if(readstdin)
+		if(readin)
 			FD_SET(STDIN_FILENO, &rd);
 		FD_SET(ConnectionNumber(dpy), &rd);
 
@@ -285,20 +271,12 @@ Mainloop:
 						(handler[ev.type])(&ev); /* call handler */
 				}
 			}
-			if(readstdin && FD_ISSET(STDIN_FILENO, &rd)) {
-				i = n = 0;
-				for(;;) {
-					if((i = getchar()) == EOF) {
-						/* broken pipe/end of producer */
-						readstdin = False;
+			if(readin && FD_ISSET(STDIN_FILENO, &rd)) {
+				readin = NULL != fgets(stext, sizeof(stext), stdin);
+				if(readin)
+					stext[strlen(stext) - 1] = 0;
+				else 
 					strcpy(stext, "broken pipe");
-						goto Mainloop;
-					}
-					if(i == '\n' || n >= sizeof(stext) - 1)
-						break;
-					stext[n++] = i;
-				}
-				stext[n] = 0;
 				drawstatus();
 			}
 		}

tag.c

@@ -3,46 +3,44 @@
  * 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>
 
-/* static */
 
 typedef struct {
-	const char *pattern;
-	char *tags[TLast];
+	const char *clpattern;
+	const char *tpattern;
 	Bool isfloat;
 } Rule;
 
-/* CUSTOMIZE */ 
-static Rule rule[] = {
-	/* class			instance	tags		isfloat */
-	{ "Firefox.*",	{ [Twww] = "www" },			False },
-	{ "Gimp.*",		{ 0 },						True},
-};
+typedef struct {
+	regex_t *clregex;
+	regex_t *tregex;
+} RReg;
+
+/* static */
+
+TAGS
+RULES
+
+static RReg *rreg = NULL;
+static unsigned int len = 0;
+
+void (*arrange)(Arg *) = DEFMODE;
 
 /* extern */
 
-/* CUSTOMIZE */
-char *tags[TLast] = {
-	[Tscratch] = "scratch",
-	[Tdev] = "dev",
-	[Twww] = "www",
-	[Twork] = "work",
-};
-void (*arrange)(Arg *) = dotile;
-
 void
 appendtag(Arg *arg)
 {
 	if(!sel)
 		return;
 
-	sel->tags[arg->i] = tags[arg->i];
+	sel->tags[arg->i] = True;
 	arrange(NULL);
 }
 
@@ -51,31 +49,30 @@ dofloat(Arg *arg)
 {
 	Client *c;
 
-	arrange = dofloat;
 	for(c = clients; c; c = c->next) {
+		c->ismax = False;
 		if(c->tags[tsel]) {
 			resize(c, True, TopLeft);
 		}
 		else
 			ban(c);
 	}
-	if(sel && !sel->tags[tsel]) {
-		if((sel = getnext(clients, tsel))) {
+	if((sel = getnext(clients))) {
 		higher(sel);
 		focus(sel);
 	}
-	}
+	else
+		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
 	drawall();
 }
 
 void
 dotile(Arg *arg)
 {
-	Client *c;
 	int n, i, w, h;
+	Client *c;
 
 	w = sw - mw;
-	arrange = dotile;
 	for(n = 0, c = clients; c; c = c->next)
 		if(c->tags[tsel] && !c->isfloat)
 			n++;
@@ -86,6 +83,7 @@ dotile(Arg *arg)
 		h = sh - bh;
 
 	for(i = 0, c = clients; c; c = c->next) {
+		c->ismax = False;
 		if(c->tags[tsel]) {
 			if(c->isfloat) {
 				higher(c);
@@ -95,26 +93,26 @@ dotile(Arg *arg)
 			if(n == 1) {
 				c->x = sx;
 				c->y = sy + bh;
-				c->w = sw - 2 * c->border;
-				c->h = sh - 2 * c->border - bh;
+				c->w = sw - 2;
+				c->h = sh - 2 - bh;
 			}
 			else if(i == 0) {
 				c->x = sx;
 				c->y = sy + bh;
-				c->w = mw - 2 * c->border;
-				c->h = sh - 2 * c->border - bh;
+				c->w = mw - 2;
+				c->h = sh - 2 - bh;
 			}
 			else if(h > bh) {
 				c->x = sx + mw;
 				c->y = sy + (i - 1) * h + bh;
-				c->w = w - 2 * c->border;
-				c->h = h - 2 * c->border;
+				c->w = w - 2;
+				c->h = h - 2;
 			}
 			else { /* fallback if h < bh */
 				c->x = sx + mw;
 				c->y = sy + bh;
-				c->w = w - 2 * c->border;
-				c->h = sh - 2 * c->border - bh;
+				c->w = w - 2;
+				c->h = sh - 2 - bh;
 			}
 			resize(c, False, TopLeft);
 			i++;
@@ -122,50 +120,68 @@ dotile(Arg *arg)
 		else
 			ban(c);
 	}
-	if(!sel || (sel && !sel->tags[tsel])) {
-		if((sel = getnext(clients, tsel))) {
+	if((sel = getnext(clients))) {
 		higher(sel);
 		focus(sel);
 	}
-	}
+	else
+		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
 	drawall();
 }
 
 Client *
-getnext(Client *c, unsigned int t)
+getnext(Client *c)
 {
-	for(; c && !c->tags[t]; c = c->next);
+	for(; c && !c->tags[tsel]; c = c->next);
+	return c;
+}
+
+Client *
+getprev(Client *c)
+{
+	for(; c && !c->tags[tsel]; c = c->prev);
 	return c;
 }
 
 void
-heretag(Arg *arg)
+initrregs()
 {
-	int i;
-	Client *c;
+	unsigned int i;
+	regex_t *reg;
 
-	if(arg->i == tsel)
+	if(rreg)
 		return;
+	len = sizeof(rule) / sizeof(rule[0]);
+	rreg = emallocz(len * sizeof(RReg));
 
-	if(!(c = getnext(clients, arg->i)))
-		return;
-
-	for(i = 0; i < TLast; i++)
-		c->tags[i] = NULL;
-	c->tags[tsel] = tags[tsel];
-	pop(c);
-	focus(c);
+	for(i = 0; i < len; i++) {
+		if(rule[i].clpattern) {
+			reg = emallocz(sizeof(regex_t));
+			if(regcomp(reg, rule[i].clpattern, 0))
+				free(reg);
+			else
+				rreg[i].clregex = reg;
+		}
+		if(rule[i].tpattern) {
+			reg = emallocz(sizeof(regex_t));
+			if(regcomp(reg, rule[i].tpattern, 0))
+				free(reg);
+			else
+				rreg[i].tregex = reg;
+		}
+	}
 }
 
 void
 replacetag(Arg *arg)
 {
 	int i;
+
 	if(!sel)
 		return;
 
-	for(i = 0; i < TLast; i++)
-		sel->tags[i] = NULL;
+	for(i = 0; i < ntags; i++)
+		sel->tags[i] = False;
 	appendtag(arg);
 }
 
@@ -173,33 +189,23 @@ void
 settags(Client *c)
 {
 	char classinst[256];
-	static unsigned int len = rule ? sizeof(rule) / sizeof(rule[0]) : 0;
 	unsigned int i, j;
-	regex_t regex;
 	regmatch_t tmp;
 	Bool matched = False;
 	XClassHint ch;
 
-	if(!len) {
-		c->tags[tsel] = tags[tsel];
-		return;
-	}
-
 	if(XGetClassHint(dpy, c->win, &ch)) {
 		snprintf(classinst, sizeof(classinst), "%s:%s",
 				ch.res_class ? ch.res_class : "",
 				ch.res_name ? ch.res_name : "");
-		for(i = 0; !matched && i < len; i++) {
-			if(!regcomp(&regex, rule[i].pattern, 0)) {
-				if(!regexec(&regex, classinst, 1, &tmp, 0)) {
-					for(j = 0; j < TLast; j++) {
-						if(rule[i].tags[j])
-							matched = True;
-						c->tags[j] = rule[i].tags[j];
-					}
+		for(i = 0; !matched && i < len; i++)
+			if(rreg[i].clregex && !regexec(rreg[i].clregex, classinst, 1, &tmp, 0)) {
 				c->isfloat = rule[i].isfloat;
+				for(j = 0; rreg[i].tregex && j < ntags; j++) {
+					if(!regexec(rreg[i].tregex, tags[j], 1, &tmp, 0)) {
+						matched = True;
+						c->tags[j] = True;
 					}
-				regfree(&regex);
 				}
 			}
 		if(ch.res_class)
@@ -208,7 +214,14 @@ settags(Client *c)
 			XFree(ch.res_name);
 	}
 	if(!matched)
-		c->tags[tsel] = tags[tsel];
+		c->tags[tsel] = True;
+}
+
+void
+togglemode(Arg *arg)
+{
+	arrange = arrange == dofloat ? dotile : dofloat;
+	arrange(NULL);
 }
 
 void
@@ -218,3 +231,17 @@ view(Arg *arg)
 	arrange(NULL);
 	drawall();
 }
+
+void
+viewnext(Arg *arg)
+{
+	arg->i = (tsel < ntags-1) ? tsel+1 : 0;
+	view(arg);
+}
+
+void
+viewprev(Arg *arg)
+{
+	arg->i = (tsel > 0) ? tsel-1 : ntags-1;
+	view(arg);
+}

util.c

@@ -3,7 +3,6 @@
  * See LICENSE file for license details.
  */
 #include "dwm.h"
-
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -15,9 +14,7 @@
 static void
 bad_malloc(unsigned int size)
 {
-	fprintf(stderr, "fatal: could not malloc() %d bytes\n",
-			(int) size);
-	exit(EXIT_FAILURE);
+	eprint("fatal: could not malloc() %u bytes\n", size);
 }
 
 /* extern */
@@ -26,14 +23,17 @@ void *
 emallocz(unsigned int size)
 {
 	void *res = calloc(1, size);
+
 	if(!res)
 		bad_malloc(size);
 	return res;
 }
 
 void
-eprint(const char *errstr, ...) {
+eprint(const char *errstr, ...)
+{
 	va_list ap;
+
 	va_start(ap, errstr);
 	vfprintf(stderr, errstr, ap);
 	va_end(ap);
@@ -43,19 +43,23 @@ eprint(const char *errstr, ...) {
 void
 spawn(Arg *arg)
 {
-	char **argv = (char **)arg->argv;
-	if(!argv || !argv[0])
+	static char *shell = NULL;
+
+	if(!shell && !(shell = getenv("SHELL")))
+		shell = "/bin/sh";
+
+	if(!arg->cmd)
 		return;
 	if(fork() == 0) {
 		if(fork() == 0) {
 			if(dpy)
 				close(ConnectionNumber(dpy));
 			setsid();
-			execvp(argv[0], argv);
-			fprintf(stderr, "dwm: execvp %s", argv[0]);
+			execl(shell, shell, "-c", arg->cmd, NULL);
+			fprintf(stderr, "dwm: execl '%s'", arg->cmd);
 			perror(" failed");
 		}
-		exit(EXIT_FAILURE);
+		exit(0);
 	}
 	wait(0);
 }