made bar togglalble

config.arg.h

@@ -3,6 +3,7 @@
  * See LICENSE file for license details. */
 
 /* appearance */
+#define BARPOS			BarTop /* BarBot, BarOff */
 #define BORDERPX		1
 #define FONT			"-*-pixelcarnage monospace-*-r-*-*-14-*-*-*-*-*-*-*"
 #define NORMBORDERCOLOR		"#333"
@@ -11,7 +12,6 @@
 #define SELBORDERCOLOR		"#8c8"
 #define SELBGCOLOR		"#555"
 #define SELFGCOLOR		"#fff"
-#define TOPBAR			True		/* False */
 
 /* tagging */
 #define TAGS \
@@ -47,6 +47,7 @@ static Key key[] = { \
 	{ MODKEY|ShiftMask,		XK_Return,	spawn, \
 		"exec urxvtcd -tr -bg '#222' -fg '#eee' -cr '#eee' +sb -fn '"FONT"'" }, \
 	{ MODKEY,			XK_space,	setlayout,	NULL }, \
+	{ MODKEY,			XK_b,		togglebar,	NULL }, \
 	{ MODKEY,			XK_h,		incmasterw,	"-32" }, \
 	{ MODKEY,			XK_l,		incmasterw,	"32" }, \
 	{ MODKEY|ShiftMask,		XK_j,		incnmaster,	"1" }, \

config.default.h

@@ -3,6 +3,7 @@
  * See LICENSE file for license details. */
 
 /* appearance */
+#define BARPOS			BarTop /* BarBot, BarOff */
 #define BORDERPX		1
 #define FONT			"-*-fixed-medium-r-normal-*-13-*-*-*-*-*-*-*"
 #define NORMBORDERCOLOR		"#dddddd"
@@ -11,7 +12,6 @@
 #define SELBORDERCOLOR		"#ff0000"
 #define SELBGCOLOR		"#006699"
 #define SELFGCOLOR		"#ffffff"
-#define TOPBAR			True		/* False */
 
 /* tagging */
 #define TAGS \
@@ -45,6 +45,7 @@ static Key key[] = { \
 	{ MODKEY|ShiftMask,		XK_Return,	spawn,		"exec xterm" }, \
 	{ MODKEY,			XK_p,		spawn, 		"exe=`dmenu_path | dmenu` && exec $exe" }, \
 	{ MODKEY,			XK_space,	setlayout,	NULL }, \
+	{ MODKEY,			XK_b,		togglebar,	NULL }, \
 	{ MODKEY,			XK_h,		incmasterw,	"-32" }, \
 	{ MODKEY,			XK_l,		incmasterw,	"32" }, \
 	{ MODKEY|ShiftMask,		XK_j,		incnmaster,	"1" }, \

dwm.h

@@ -37,10 +37,11 @@
 /* mask shorthands, used in event.c and client.c */
 #define BUTTONMASK		(ButtonPressMask | ButtonReleaseMask)
 
-enum { NetSupported, NetWMName, NetLast };		/* EWMH atoms */
-enum { WMProtocols, WMDelete, WMState, WMLast };	/* default atoms */
+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, WMState, WMLast };	/* default atoms */
 
 typedef struct Client Client;
 struct Client {
@@ -83,7 +84,7 @@ extern const char *tags[];		/* all tags */
 char stext[256];			/* status text */
 int screen, sx, sy, sw, sh;		/* screen geometry */
 int wax, way, wah, waw;			/* windowarea geometry */
-unsigned int bh, blw;			/* bar height, bar layout label width */
+unsigned int bh, blw, bpos;		/* bar height, bar layout label width, bar position */
 unsigned int ntags, numlockmask;	/* number of tags, dynamic lock mask */
 void (*handler[LASTEvent])(XEvent *);	/* event handler */
 Atom wmatom[WMLast], netatom[NetLast];
@@ -127,10 +128,12 @@ void initlayouts(void);			/* initialize layout array */
 Client *nexttiled(Client *c);		/* returns tiled successor of c */
 void restack(void);			/* restores z layers of all clients */
 void setlayout(const char *arg);	/* sets layout, -1 toggles */
+void togglebar(const char *arg);	/* shows/hides the bar */
 void togglemax(const char *arg);	/* toggles maximization of floating client */
 void zoom(const char *arg);		/* zooms the focused client to master area, arg is ignored */
 
 /* main.c */
+void updatebarpos(void);		/* updates the bar position */
 void quit(const char *arg);		/* quit dwm nicely */
 int xerror(Display *dsply, XErrorEvent *ee);	/* dwm's X error handler */
 

layout.c

@@ -216,6 +216,12 @@ setlayout(const char *arg) {
 		drawstatus();
 }
 
+void
+togglebar(const char *arg) {
+	bpos = (bpos == BarOff) ? BARPOS : BarOff;
+	updatebarpos();
+}
+
 void
 togglemax(const char *arg) {
 	XEvent ev;

main.c

@@ -18,7 +18,7 @@
 
 char stext[256];
 int screen, sx, sy, sw, sh, wax, way, waw, wah;
-unsigned int bh, ntags, numlockmask;
+unsigned int bh, bpos, ntags, numlockmask;
 Atom wmatom[WMLast], netatom[NetLast];
 Bool *seltag;
 Bool selscreen = True;
@@ -190,17 +190,13 @@ setup(void) {
 	wa.override_redirect = 1;
 	wa.background_pixmap = ParentRelative;
 	wa.event_mask = ButtonPressMask | ExposureMask;
-	barwin = XCreateWindow(dpy, root, sx, sy + (TOPBAR ? 0 : sh - bh), sw, bh, 0,
+	barwin = XCreateWindow(dpy, root, sx, sy - bh, sw, bh, 0,
 			DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 	XDefineCursor(dpy, barwin, cursor[CurNormal]);
+	updatebarpos();
 	XMapRaised(dpy, barwin);
 	strcpy(stext, "dwm-"VERSION);
-	/* windowarea */
-	wax = sx;
-	way = sy + (TOPBAR ? bh : 0);
-	wah = sh - bh;
-	waw = sw;
 	/* pixmap for everything */
 	dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
 	dc.gc = XCreateGC(dpy, root, 0, 0);
@@ -228,6 +224,28 @@ quit(const char *arg) {
 	readin = running = False;
 }
 
+void
+updatebarpos(void) {
+	wax = sx;
+	way = sy;
+	wah = sh;
+	waw = sw;
+	switch(bpos) {
+	case BarTop:
+		wah -= bh;
+		way += bh;
+		XMoveWindow(dpy, barwin, sx, sy);
+		break;
+	case BarBot:
+		wah -= bh;
+		XMoveWindow(dpy, barwin, sx, sy + wah);
+		break;
+	case BarOff:
+		XMoveWindow(dpy, barwin, sx, sy - bh);
+	}
+	lt->arrange();
+}
+
 /* There's no way to check accesses to destroyed windows, thus those cases are
  * ignored (especially on UnmapNotify's).  Other types of errors call Xlibs
  * default error handler, which may call exit.