Fix ActiveWindow for niri

Services/CompositorService.qml

@@ -281,6 +281,68 @@ Singleton {
 
           if (event.WorkspacesChanged) {
             niriWorkspaceProcess.running = true
+          } else if (event.WindowOpenedOrChanged) {
+            try {
+              const windowData = event.WindowOpenedOrChanged.window
+              
+              // Find if this window already exists
+              const existingIndex = windows.findIndex(w => w.id === windowData.id)
+              
+              const newWindow = {
+                "id": windowData.id,
+                "title": windowData.title || "",
+                "appId": windowData.app_id || "",
+                "workspaceId": windowData.workspace_id || null,
+                "isFocused": windowData.is_focused === true
+              }
+              
+              if (existingIndex >= 0) {
+                // Update existing window
+                windows[existingIndex] = newWindow
+              } else {
+                // Add new window
+                windows.push(newWindow)
+                windows.sort((a, b) => a.id - b.id)
+              }
+              
+              // Update focused window index if this window is focused
+              if (newWindow.isFocused) {
+                focusedWindowIndex = windows.findIndex(w => w.id === windowData.id)
+                updateFocusedWindowTitle()
+                activeWindowChanged()
+              }
+              
+              windowListChanged()
+            } catch (e) {
+              Logger.error("Compositor", "Error parsing WindowOpenedOrChanged event:", e)
+            }
+          } else if (event.WindowClosed) {
+            try {
+              const windowId = event.WindowClosed.id
+              
+              // Remove the window from the list
+              const windowIndex = windows.findIndex(w => w.id === windowId)
+              if (windowIndex >= 0) {
+                // If this was the focused window, clear focus
+                if (windowIndex === focusedWindowIndex) {
+                  focusedWindowIndex = -1
+                  updateFocusedWindowTitle()
+                  activeWindowChanged()
+                }
+                
+                // Remove the window
+                windows.splice(windowIndex, 1)
+                
+                // Adjust focused window index if needed
+                if (focusedWindowIndex > windowIndex) {
+                  focusedWindowIndex--
+                }
+                
+                windowListChanged()
+              }
+            } catch (e) {
+              Logger.error("Compositor", "Error parsing WindowClosed event:", e)
+            }
           } else if (event.WindowsChanged) {
             try {
               const windowsData = event.WindowsChanged.windows