ewmh above, only above fullscreen

config.h

@@ -4,6 +4,7 @@
 #define BORDER_BLUR "Dark Gray"
 #define BORDER_FOCUS "Royal Blue"
 #define BORDER_URGENT "Red"
+#define BORDER_ABOVE "Dark Green"
 
 // There are three static tiles called SPOT1, SPOT2, and SPOT3.
 // Want more tiles? Different layouts? Floating? Go away ;)
@@ -68,6 +69,9 @@ binding keys[] = {
 	// Toggle current window full screen.
 	{ .mod = Mod4Mask, .key = XK_f, .act = ACTION_FULLSCREEN_TOGGLE },
 
+	// Toggle current window above.
+	{ .mod = Mod4Mask, .key = XK_a, .act = ACTION_ABOVE_TOGGLE },
+
 	// Switch focus between monitors.
 	{ .mod = Mod4Mask, .key = XK_Right, .act = ACTION_FOCUS_MONITOR_INC },
 	{ .mod = Mod4Mask, .key = XK_Left,  .act = ACTION_FOCUS_MONITOR_DEC },

xoat.1

@@ -62,11 +62,16 @@ Close a window.
 .RE
 .TP
 .B Mod4-f
-Toggle fullscreen.
+Toggle state fullscreen.
 While in fullscreen mode, an window is considered to be in tile 1.
 .RS
 .RE
 .TP
+.B Mod4-a
+Toggle state above (only placed above fullscreen windows).
+.RS
+.RE
+.TP
 .B Mod4-Right
 Focus next monitor.
 .RS

xoat.c

@@ -490,6 +490,8 @@ void client_stack(client *c, stack *all, stack *raise)
 // raise a window and all its transients
 void client_raise(client *c)
 {
+	if (!c) return;
+
 	int i; stack raise, all, family;
 	memset(&raise,  0, sizeof(stack));
 	memset(&family, 0, sizeof(stack));
@@ -498,21 +500,23 @@ void client_raise(client *c)
 	for (i = 0; i < all.depth; i++)
 	{
 		client *o = all.clients[i];
-		// docks stay on top
 		if (o && o->type == atoms[_NET_WM_WINDOW_TYPE_DOCK])
+			client_stack(o, &all, &raise);
+	}
+	// above only counts for fullscreen windows
+	if (client_state(c, atoms[_NET_WM_STATE_FULLSCREEN]))
 	{
-			raise.clients[raise.depth] = o;
-			raise.windows[raise.depth++] = o->window;
+		for (i = 0; i < all.depth; i++)
+		{
+			client *o = all.clients[i];
+			if (o && client_state(o, atoms[_NET_WM_STATE_ABOVE]))
+				client_stack(o, &all, &raise);
 		}
 	}
 	while (c->trans)
 	{
 		client *t = window_client(c->transient_for);
-		if (t)
-		{
-			family.clients[family.depth++] = t;
-			c = t;
-		}
+		if (t) c = family.clients[family.depth++] = t;
 	}
 	client_stack(c, &all, &raise);
 
@@ -526,6 +530,9 @@ void client_raise(client *c)
 // lower a window and all its transients
 void client_lower(client *c)
 {
+	if (!c || client_state(c, atoms[_NET_WM_STATE_ABOVE]))
+		return;
+
 	stack lower, all;
 	memset(&lower, 0, sizeof(stack));
 	windows_visible(&all);
@@ -596,8 +603,8 @@ void window_listen(Window win)
 void client_review(client *c)
 {
 	XSetWindowBorder(display, c->window,
-		color_get(c->window == current ? BORDER_FOCUS:
-			(c->urgent ? BORDER_URGENT: BORDER_BLUR)));
+		color_get(c->window == current ? BORDER_FOCUS: (c->urgent ? BORDER_URGENT:
+			(client_state(c, atoms[_NET_WM_STATE_ABOVE]) ? BORDER_ABOVE: BORDER_BLUR))));
 	XSetWindowBorderWidth(display, c->window, client_state(c, atoms[_NET_WM_STATE_FULLSCREEN]) ? 0: BORDER);
 }
 
@@ -829,6 +836,16 @@ void key_press(XKeyEvent *e)
 				client_review(c);
 				client_spot(c, c->spot, 1);
 				break;
+			case ACTION_ABOVE_TOGGLE:
+				spot = c->spot;
+				client_raise(c);
+				if (client_state(c, atoms[_NET_WM_STATE_ABOVE]))
+					client_drop_state(c, atoms[_NET_WM_STATE_ABOVE]);
+				else
+					client_add_state(c, atoms[_NET_WM_STATE_ABOVE]);
+				client_review(c);
+				client_raise(c);
+				break;
 			case ACTION_TAG:
 				c->tags |= (unsigned int)num;
 				client_set_tags(c);

xoat.h

@@ -129,6 +129,7 @@ int struts[4] = { 0, 0, 0, 0 };
 	X(_NET_WM_WINDOW_TYPE_DIALOG),\
 	X(_NET_WM_STATE),\
 	X(_NET_WM_STATE_FULLSCREEN),\
+	X(_NET_WM_STATE_ABOVE),\
 	X(_NET_WM_STATE_DEMANDS_ATTENTION),\
 	X(WM_DELETE_WINDOW),\
 	X(WM_TAKE_FOCUS),\
@@ -158,6 +159,7 @@ enum {
 	ACTION_FOCUS_MONITOR_INC,
 	ACTION_FOCUS_MONITOR_DEC,
 	ACTION_FULLSCREEN_TOGGLE,
+	ACTION_ABOVE_TOGGLE,
 	ACTION_TAG,
 	ACTION_UNTAG,
 	ACTION_RAISE_TAG,

xoat.md

@@ -48,7 +48,10 @@ Mod4-Escape
 :	Close a window.
 
 Mod4-f
-:	Toggle fullscreen. While in fullscreen mode, an window is considered to be in tile 1.
+:	Toggle state fullscreen. While in fullscreen mode, an window is considered to be in tile 1.
+
+Mod4-a
+:	Toggle state above (only placed above fullscreen windows).
 
 Mod4-Right
 :	Focus next monitor.