Added KWin workaround to get current window title

tools/gsr-kwin-helper/gsrkwinhelper.js

@@ -0,0 +1,58 @@
+const DAEMON_DBUS_NAME = "com.dec05eba.gsr_kwin_helper";
+
+// utils
+function sendNewActiveWindowTitle(title) {
+    callDBus(
+        DAEMON_DBUS_NAME, "/", DAEMON_DBUS_NAME,
+        "setActiveWindowTitle", title
+    );
+}
+
+function sendNewActiveWindowFullscreen(isFullscreen) {
+    callDBus(
+        DAEMON_DBUS_NAME, "/", DAEMON_DBUS_NAME,
+        "setActiveWindowFullscreen", isFullscreen
+    );
+}
+
+// track handlers to avoid duplicates
+const windowEventHandlers = new Map();
+
+function subscribeToClient(client) {
+    if (!client || windowEventHandlers.has(client)) return;
+
+    const emitActiveTitle = () => {
+        if (workspace.activeWindow === client) {
+            sendNewActiveWindowTitle(client.caption || "");
+        }
+    };
+
+    const emitActiveFullscreen = () => {
+        if (workspace.activeWindow === client) {
+            sendNewActiveWindowFullscreen(client.fullScreen);
+        }
+    };
+
+    windowEventHandlers.set(client, {
+        title: emitActiveTitle,
+        fs: emitActiveFullscreen,
+    });
+
+    client.captionChanged.connect(emitActiveTitle);
+    client.fullScreenChanged.connect(emitActiveFullscreen);
+}
+
+function updateActiveWindow(client) {
+    if (!client) return;
+    sendNewActiveWindowTitle(client.caption || "");
+    sendNewActiveWindowFullscreen(client.fullScreen);
+    subscribeToClient(client);
+}
+
+// handle window focus changes
+workspace.windowActivated.connect(updateActiveWindow);
+
+// handle initial state
+if (workspace.activeWindow) {
+    updateActiveWindow(workspace.activeWindow);
+}