KeyboardLayout: subscribe to Sway events to update keyboard layout

Services/Compositor/SwayService.qml

@@ -45,8 +45,7 @@ Item {
     if (initialized)
       return;
     try {
-      I3.refreshWorkspaces();
-      I3.dispatch('(["input"])');
+      I3.refreshWorkspaces()
       Qt.callLater(() => {
                      safeUpdateWorkspaces();
                      queryWindowWorkspaces();
@@ -235,16 +234,6 @@ Item {
     }
   }
 
-  Timer {
-    id: keyboardLayoutUpdateTimer
-    interval: 1000
-    running: true
-    repeat: true
-    onTriggered: {
-      queryKeyboardLayout();
-    }
-  }
-
   function queryKeyboardLayout() {
     swayInputsProcess.running = true;
   }
@@ -459,22 +448,17 @@ Item {
 
   function handleInputEvent(ev) {
     try {
-      let beforeParenthesis;
-      const parenthesisPos = ev.lastIndexOf('(');
-
-      if (parenthesisPos === -1) {
-        beforeParenthesis = ev;
-      } else {
-        beforeParenthesis = ev.substring(0, parenthesisPos);
+      const eventData = JSON.parse(ev)
+      if (eventData.change == "xkb_layout" && eventData.input != null) {
+        const input = eventData.input
+        if (input.type == "keyboard" && input.xkb_active_layout_name != null) {
+          const layoutName = input.xkb_active_layout_name
+          KeyboardLayoutService.setCurrentLayout(layoutName)
+          Logger.d("SwayService", "Keyboard layout switched:", layoutName)
+        }
       }
-
-      const layoutNameStart = beforeParenthesis.lastIndexOf(',') + 1;
-      const layoutName = ev.substring(layoutNameStart);
-
-      KeyboardLayoutService.setCurrentLayout(layoutName);
-      Logger.d("HyprlandService", "Keyboard layout switched:", layoutName);
     } catch (e) {
-      Logger.e("HyprlandService", "Error handling activelayout:", e);
+      Logger.e("SwayService", "Error handling input event:", e)
     }
   }
 
@@ -516,15 +500,13 @@ Item {
       if (event.type === "output") {
         Qt.callLater(queryDisplayScales);
       }
+    }
+  }
 
-      if (event.type == "get_inputs") {
-        handleInputEvent(event.data);
-      }
-
-      // Query window workspaces on relevant events
-      if (event.type === "window" || event.type === "workspace") {
-        Qt.callLater(queryWindowWorkspaces);
-      }
+  I3IpcListener {
+    subscriptions: ["input"]
+    onIpcEvent: function (event) {
+      handleInputEvent(event.data)
     }
   }