ssd: add basic always-on-top button

include/common/node-type.h

@@ -26,8 +26,9 @@ enum lab_node_type {
 	LAB_NODE_BUTTON_WINDOW_MENU,
 	LAB_NODE_BUTTON_SHADE,
 	LAB_NODE_BUTTON_OMNIPRESENT,
+	LAB_NODE_BUTTON_ONTOP,
 	LAB_NODE_BUTTON_FIRST = LAB_NODE_BUTTON_CLOSE,
-	LAB_NODE_BUTTON_LAST = LAB_NODE_BUTTON_OMNIPRESENT,
+	LAB_NODE_BUTTON_LAST = LAB_NODE_BUTTON_ONTOP,
 	LAB_NODE_BUTTON,
 
 	LAB_NODE_TITLEBAR,

include/config/default-bindings.h

@@ -291,6 +291,11 @@ static struct mouse_combos {
 		.button = "Left",
 		.event = "Click",
 		.action = "ToggleOmnipresent",
+	}, {
+		.context = "OnTop",
+		.button = "Left",
+		.event = "Click",
+		.action = "ToggleAlwaysOnTop",
 	}, {
 		.context = "Maximize",
 		.button = "Right",

include/ssd-internal.h

@@ -79,6 +79,7 @@ struct ssd {
 		 * such a small titlebar.
 		 */
 		bool was_squared;
+		bool was_ontop;
 
 		struct wlr_box geometry;
 		struct ssd_state_title {

src/common/node-type.c

@@ -20,6 +20,8 @@ node_type_parse(const char *context)
 		return LAB_NODE_BUTTON_SHADE;
 	} else if (!strcasecmp(context, "AllDesktops")) {
 		return LAB_NODE_BUTTON_OMNIPRESENT;
+	} else if (!strcasecmp(context, "OnTop")) {
+		return LAB_NODE_BUTTON_ONTOP;
 	} else if (!strcasecmp(context, "Titlebar")) {
 		return LAB_NODE_TITLEBAR;
 	} else if (!strcasecmp(context, "Title")) {

src/config/rcxml.c

@@ -184,6 +184,8 @@ fill_section(const char *content, enum lab_node_type *buttons, int *count,
 			type = LAB_NODE_BUTTON_SHADE;
 		} else if (!strcmp(identifier, "desk")) {
 			type = LAB_NODE_BUTTON_OMNIPRESENT;
+		} else if (!strcmp(identifier, "ontop")) {
+			type = LAB_NODE_BUTTON_ONTOP;
 		} else {
 			wlr_log(WLR_ERROR, "invalid titleLayout identifier '%s'",
 				identifier);

src/ssd/ssd-titlebar.c

@@ -299,6 +299,14 @@ ssd_titlebar_update(struct ssd *ssd)
 		ssd->state.was_omnipresent = view->visible_on_all_workspaces;
 	}
 
+	printf("%d\n\n",ssd->state.was_ontop);
+
+	if (ssd->state.was_ontop != (view->layer == VIEW_LAYER_ALWAYS_ON_TOP)) {
+		set_alt_button_icon(ssd, LAB_NODE_BUTTON_ONTOP,
+			view->layer);
+		ssd->state.was_ontop = view->layer;
+	}
+
 	if (width == ssd->state.geometry.width) {
 		return;
 	}

src/ssd/ssd.c

@@ -227,7 +227,8 @@ ssd_update_geometry(struct ssd *ssd)
 	bool state_changed = ssd->state.was_maximized != maximized
 		|| ssd->state.was_shaded != view->shaded
 		|| ssd->state.was_squared != squared
-		|| ssd->state.was_omnipresent != view->visible_on_all_workspaces;
+		|| ssd->state.was_omnipresent != view->visible_on_all_workspaces
+		|| ssd->state.was_ontop != (view->layer == VIEW_LAYER_ALWAYS_ON_TOP);
 
 	/*
 	 * (Un)maximization updates titlebar visibility with

src/theme.c

@@ -316,6 +316,18 @@ load_buttons(struct theme *theme)
 		.type = LAB_NODE_BUTTON_OMNIPRESENT,
 		.state_set = LAB_BS_TOGGLED,
 	}, {
+
+	// TODO Add proper bitmaps
+		.name = "ontop",
+		.fallback_button = (const char[]){ 0x33, 0x33, 0x00, 0x00, 0x33, 0x33 },
+		.type = LAB_NODE_BUTTON_ONTOP,
+		.state_set = 0,
+	}, {
+		.name = "ontop_toggled",
+		.fallback_button = (const char[]){ 0x33, 0x3f, 0x1e, 0x1e, 0x3f, 0x33 },
+		.type = LAB_NODE_BUTTON_ONTOP,
+		.state_set = LAB_BS_TOGGLED,
+	}, {
 		.name = "close",
 		.fallback_button = (const char[]){ 0x33, 0x3f, 0x1e, 0x1e, 0x3f, 0x33 },
 		.type = LAB_NODE_BUTTON_CLOSE,

subprojects/wayland-protocols.wrap

@@ -0,0 +1,2 @@
+[wrap-redirect]
+filename = wlroots/subprojects/wayland-protocols.wrap