Add toggle bottom bar

dwm.c

@@ -125,6 +125,7 @@ struct Monitor {
 	unsigned int sellt;
 	unsigned int tagset[2];
 	int showbar;
+	int showextrabar;
 	int topbar;
 	Client *clients;
 	Client *sel;
@@ -211,6 +212,7 @@ static void showhide(Client *c);
 static void spawn(const Arg *arg);
 static void tag(const Arg *arg);
 static void togglebar(const Arg *arg);
+static void toggleextrabar(const Arg *arg);
 static void togglefloating(const Arg *arg);
 static void togglefullscr(const Arg *arg);
 static void toggletag(const Arg *arg);
@@ -655,6 +657,7 @@ createmon(void)
 	m->mfact = mfact;
 	m->nmaster = nmaster;
 	m->showbar = showbar;
+	m->showextrabar = showextrabar;
 	m->topbar = topbar;
 	m->lt[0] = &layouts[0];
 	m->lt[1] = &layouts[1 % LENGTH(layouts)];
@@ -831,7 +834,7 @@ drawbar(Monitor *m)
 	unsigned int i, occ = 0, urg = 0;
 	Client *c;
 
-	if (!m->showbar)
+	if (!m->showbar && !m->showextrabar)
 		return;
 
 	/* draw status first so it can be overdrawn by tags later */
@@ -1826,6 +1829,14 @@ togglebar(const Arg *arg)
 	selmon->showbar = selmon->pertag->showbars[selmon->pertag->curtag] = !selmon->showbar;
 	updatebarpos(selmon);
 	XMoveResizeWindow(dpy, selmon->barwin, selmon->wx + gappx, selmon->by + gappx, selmon->ww - 2 * gappx, bh);
+	arrange(selmon);
+}
+
+void
+toggleextrabar(const Arg *arg)
+{
+	selmon->showextrabar = !selmon->showextrabar;
+	updatebarpos(selmon);
 	XMoveResizeWindow(dpy, selmon->extrabarwin, selmon->wx + gappx, selmon->eby - gappx, selmon->ww - 2 * gappx, bh);
 	arrange(selmon);
 }
@@ -1998,17 +2009,23 @@ updatebarpos(Monitor *m)
 {
 	m->wy = m->my;
 	m->wh = m->mh;
-	m->wh -= bh * m->showbar * 2;
 	m->wy = m->showbar ? m->wy + bh + gappx : m->wy;
+
 	if (m->showbar) {
-		m->by = m->topbar ? m->wy - bh - gappx : m->wy + m->wh + gappx;
-		m->eby = m->topbar ? m->wy + m->wh - gappx : m->wy - bh - gappx * 2;
-		m->wy = topbar ? m->wy : m->wy - gappx * 2;
-		m->wh = topbar ? m->wh - gappx * 2 : m->wh + gappx * 2;
-	} else {
-		m->by = -bh - gappx;
-		m->eby = -bh + gappx;
+		m->wh -= bh * m->showbar;
+		m->by = m->wy - bh - gappx;
+		m->wh = m->wh - gappx;
 	}
+	else
+		m->by = -bh - gappx;
+
+	if (m->showextrabar) {
+		m->wh -= bh * m->showextrabar;
+		m->eby = m->wy + m->wh;
+		m->wh = m->wh - gappx;
+	}
+	else
+		m->eby = -bh + gappx;
 }
 
 void