show X root window name in spot1 title for a custom status bar

config.h

@@ -128,7 +128,7 @@ binding keys[] = {
 	// Only works for apps that use some form of their binary name as their class...
 	{ .mod = AnyModifier, .key = XK_F1, .act = action_find_or_start, .data = "konsole"  },
 	{ .mod = AnyModifier, .key = XK_F2, .act = action_find_or_start, .data = "chromium" },
-	{ .mod = AnyModifier, .key = XK_F3, .act = action_find_or_start, .data = "pcmanfm"  },
+	{ .mod = AnyModifier, .key = XK_F3, .act = action_find_or_start, .data = "thunar"   },
 
 	{ .mod = AnyModifier, .key = XK_Menu, .act = action_command, .data = "xowl"  },
 };

event.c

@@ -179,6 +179,12 @@ void property_notify(XEvent *ev)
 	XPropertyEvent *e = &ev->xproperty;
 
 	client *c = window_build_client(e->window);
+	if (e->window == root && e->atom == atoms[WM_NAME])
+	{
+		// root name appears in SPOT1 bar, for status etc
+		update_bars();
+	}
+	else
 	if (c && c->visible && c->manage)
 	{
 		client_update_border(c);

setup.c

@@ -150,7 +150,7 @@ void setup()
 	}
 
 	// become the window manager
-	XSelectInput(display, root, StructureNotifyMask | SubstructureRedirectMask | SubstructureNotifyMask);
+	XSelectInput(display, root, PropertyChangeMask | StructureNotifyMask | SubstructureRedirectMask | SubstructureNotifyMask);
 
 	// ewmh support
 	unsigned long pid = getpid();

spot.c

@@ -32,6 +32,15 @@ void spot_update_bar(int spot, int mon)
 	char title[SPOT_BUFF]; *title = 0;
 	monitor *m = &monitors[mon];
 
+	if (spot == SPOT1)
+	{
+		// Show X root window name in spot1 bar
+		// Use xsetroot -name for a custom status
+		char *tmp = NULL;
+		if (XFetchName(display, root, &tmp))
+			len += snprintf(title+len, MAX(0, SPOT_BUFF-len), " %s  ", tmp);
+		if (tmp) XFree(tmp);
+	}
 	for_windows(i, o) if (o->manage && o->spot == spot && o->monitor == mon)
 	{
 		if (!c) c = o;

xoat.1

@@ -1,4 +1,4 @@
-.TH XOAT 1 "" 
+.TH XOAT 1 ""
 .SH NAME
 .PP
 xoat - X11 Obstinate Asymmetric Tiler