1 files changed, 5 insertions, 0 deletions
diff --git a/src/gui/kernel/qwindow.h b/src/gui/kernel/qwindow.h
index 2e2f12a8ab..478262da3f 100644
--- a/src/gui/kernel/qwindow.h
+++ b/src/gui/kernel/qwindow.h
@@ -112,6 +112,7 @@ class Q_GUI_EXPORT QWindow : public QObject, public QSurface
     Q_PROPERTY(int maximumHeight READ maximumHeight WRITE setMaximumHeight NOTIFY maximumHeightChanged)
     Q_PROPERTY(bool visible READ isVisible WRITE setVisible NOTIFY visibleChanged)
     Q_PROPERTY(Qt::ScreenOrientation contentOrientation READ contentOrientation WRITE reportContentOrientationChange NOTIFY contentOrientationChanged)
+    Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity NOTIFY opacityChanged)
 
 public:
 
@@ -148,6 +149,8 @@ public:
     QString title() const;
 
     void setOpacity(qreal level);
+    qreal opacity() const;
+
     void requestActivate();
 
     bool isActive() const;
@@ -287,6 +290,8 @@ Q_SIGNALS:
 
     void focusObjectChanged(QObject *object);
 
+    void opacityChanged(qreal opacity);
+
 private Q_SLOTS:
     void screenDestroyed(QObject *screen);