1 files changed, 16 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.h b/src/plugins/platforms/xcb/qxcbwindow.h
index 6f5c1f5ed9..55af9279b1 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.h
+++ b/src/plugins/platforms/xcb/qxcbwindow.h
@@ -74,6 +74,14 @@ public:
 
     Q_DECLARE_FLAGS(NetWmStates, NetWmState)
 
+    enum Task {
+        Map,
+        Unmap,
+        SetGeometry,
+        SetWindowFlags,
+        SetWindowState
+    };
+
     QXcbWindow(QWindow *window);
     ~QXcbWindow();
 
@@ -143,6 +151,9 @@ public:
 
     QXcbWindow *toWindow() override;
 
+    bool shouldDeferTask(Task task);
+    void handleDeferredTasks();
+
     void handleMouseEvent(xcb_timestamp_t time, const QPoint &local, const QPoint &global,
                           Qt::KeyboardModifiers modifiers, QEvent::Type type, Qt::MouseEventSource source);
 
@@ -281,6 +292,11 @@ protected:
     int m_swapInterval = -1;
 
     qreal m_sizeHintsScaleFactor = 1.0;
+
+    bool m_wmStateValid = true;
+    QVector<Task> m_deferredTasks;
+    bool m_isWmManagedWindow = true;
+    QRect m_deferredGeometry;
 };
 
 class QXcbForeignWindow : public QXcbWindow