window-rules: add skipTaskbar and skipWindowSwitcher

docs/labwc-config.5.scd

@@ -430,6 +430,15 @@ situation.
 	*serverDecoration* over-rules any other setting for server-side window
 	decoration on first map.
 
+*<windowRules><windowRule skipTaskbar="">* [yes|no|default]
+	*skipTaskbar* removes window foreign-toplevel protocol handle so that
+	it does not appear in clients such as panels and taskbars using that
+	protocol.
+
+*<windowRules><windowRule skipWindowSwitcher="">* [yes|no|default]
+	*skipWindowSwitcher* removes window from the Window Switcher (alt-tab
+	on-screen-display)
+
 ## ENVIRONMENT VARIABLES
 
 *XCURSOR_THEME* and *XCURSOR_SIZE* are supported to set cursor theme

include/window-rules.h

@@ -26,6 +26,8 @@ struct window_rule {
 	struct wl_list actions;
 
 	enum property server_decoration;
+	enum property skip_taskbar;
+	enum property skip_window_switcher;
 
 	struct wl_list link; /* struct rcxml.window_rules */
 };

src/config/rcxml.c

@@ -110,6 +110,10 @@ fill_window_rule(char *nodename, char *content)
 	/* Properties */
 	} else if (!strcasecmp(nodename, "serverDecoration")) {
 		set_property(content, &current_window_rule->server_decoration);
+	} else if (!strcasecmp(nodename, "skipTaskbar")) {
+		set_property(content, &current_window_rule->skip_taskbar);
+	} else if (!strcasecmp(nodename, "skipWindowSwitcher")) {
+		set_property(content, &current_window_rule->skip_window_switcher);
 
 	/* Actions */
 	} else if (!strcmp(nodename, "name.action")) {

src/desktop.c

@@ -9,6 +9,7 @@
 #include "node.h"
 #include "ssd.h"
 #include "view.h"
+#include "window-rules.h"
 #include "workspaces.h"
 #include "xwayland.h"
 
@@ -191,7 +192,9 @@ desktop_cycle_view(struct server *server, struct view *start_view,
 			continue;
 		}
 		view = node_view_from_node(node);
-		if (isfocusable(view)) {
+
+		enum property skip = window_rules_get_property(view, "skipWindowSwitcher");
+		if (isfocusable(view) && skip != LAB_PROP_TRUE) {
 			return view;
 		}
 	} while (view != start_view);

src/osd.c

@@ -15,6 +15,7 @@
 #include "theme.h"
 #include "node.h"
 #include "view.h"
+#include "window-rules.h"
 #include "workspaces.h"
 
 #define OSD_ITEM_HEIGHT (20)
@@ -69,7 +70,8 @@ get_osd_height(struct wl_list *node_list)
 			continue;
 		}
 		view = node_view_from_node(node);
-		if (!isfocusable(view)) {
+		enum property skip = window_rules_get_property(view, "skipWindowSwitcher");
+		if (!isfocusable(view) || skip == LAB_PROP_TRUE) {
 			continue;
 		}
 		height += OSD_ITEM_HEIGHT;
@@ -344,7 +346,8 @@ render_osd(struct server *server, cairo_t *cairo, int w, int h,
 			continue;
 		}
 		struct view *view = node_view_from_node(node);
-		if (!isfocusable(view)) {
+		enum property skip = window_rules_get_property(view, "skipWindowSwitcher");
+		if (!isfocusable(view) || skip == LAB_PROP_TRUE) {
 			continue;
 		}
 

src/view-impl-common.c

@@ -34,6 +34,22 @@ view_impl_map(struct view *view)
 	if (!view->been_mapped) {
 		window_rules_apply(view, LAB_WINDOW_RULE_EVENT_ON_FIRST_MAP);
 	}
+
+	/*
+	 * It's tempting to just never create the foreign-toplevel handle in the
+	 * map handlers, but the app_id/title might not have been set at that
+	 * point, so it's safer to process the property here
+	 */
+	enum property ret = window_rules_get_property(view, "skipTaskbar");
+	if (ret == LAB_PROP_TRUE) {
+		if (view->toplevel.handle) {
+			wlr_foreign_toplevel_handle_v1_destroy(view->toplevel.handle);
+		}
+	}
+
+	wlr_log(WLR_DEBUG, "[map] identifier=%s, title=%s\n",
+		view_get_string_prop(view, "app_id"),
+		view_get_string_prop(view, "title"));
 }
 
 static bool

src/window-rules.c

@@ -81,10 +81,17 @@ window_rules_get_property(struct view *view, const char *property)
 		 * for.
 		 */
 		if (view_matches_criteria(rule, view)) {
-			if (!strcasecmp(property, "serverDecoration")) {
-				if (rule->server_decoration) {
-					return rule->server_decoration;
-				}
+			if (rule->server_decoration
+					&& !strcasecmp(property, "serverDecoration")) {
+				return rule->server_decoration;
+			}
+			if (rule->skip_taskbar
+					&& !strcasecmp(property, "skipTaskbar")) {
+				return rule->skip_taskbar;
+			}
+			if (rule->skip_window_switcher
+					&& !strcasecmp(property, "skipWindowSwitcher")) {
+				return rule->skip_window_switcher;
 			}
 		}
 	}