Track already created windows

sources/layout.js

@@ -18,6 +18,7 @@ var Layout = GObject.registerClass(
 			//  */
 			// this._monitorsTags = new Map();
 
+			// TODO: duplicate this layout for each monitors.
 			this._layout = {
 				type: "tiled",
 				nmaster: 1,
@@ -48,7 +49,6 @@ var Layout = GObject.registerClass(
 			const window = this.windows.find((x) => x.actor === actor);
 			if (!window) return null;
 			this.windows = this.windows.filter((x) => x !== window);
-			console.log("Popped", this.windows.length);
 			return window;
 		}
 

sources/windows.js

@@ -24,8 +24,9 @@ var WindowManager = GObject.registerClass(
 
 		enable() {
 			this._bindSignals();
-			// TODO: Add all existing windows to the layout and render.
-			// this.render();
+			for (const window of global.display.list_all_windows())
+				this.trackWindow(window);
+			this.renderAll();
 		}
 
 		// Stolen from https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/183
@@ -109,6 +110,17 @@ var WindowManager = GObject.registerClass(
 			this._layout.newWindow(window);
 		}
 
+		renderAll() {
+			const monN = global.display.get_n_monitors();
+			// TODO: Support different tags on different monitors.
+			const tags = global.display
+				.get_workspace_manager()
+				.get_active_workspace_index() + 1;
+			for (let mon = 0; mon < monN; mon++) {
+				this.render(mon, tags);
+			}
+		}
+
 		renderForWindow(window) {
 			const mon = window.get_monitor();
 			// TODO: The on_all_workspaces handling is faulty.