diff -r 41300fa6a67c -r f7bc934e204c demos/composition/composition.h
--- a/demos/composition/composition.h	Tue Feb 02 00:43:10 2010 +0200
+++ b/demos/composition/composition.h	Wed Mar 31 11:06:36 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -109,10 +109,6 @@
 
     void paint(QPainter *);
 
-    void mousePressEvent(QMouseEvent *);
-    void mouseMoveEvent(QMouseEvent *);
-    void mouseReleaseEvent(QMouseEvent *);
-
     void setCirclePos(const QPointF &pos);
 
     QSize sizeHint() const { return QSize(500, 400); }
@@ -121,6 +117,12 @@
     int circleColor() const { return m_circle_hue; }
     int circleAlpha() const { return m_circle_alpha; }
 
+protected:
+    void mousePressEvent(QMouseEvent *);
+    void mouseMoveEvent(QMouseEvent *);
+    void mouseReleaseEvent(QMouseEvent *);
+    void timerEvent(QTimerEvent *);
+
 public slots:
     void setClearMode() { m_composition_mode = QPainter::CompositionMode_Clear; update(); }
     void setSourceMode() { m_composition_mode = QPainter::CompositionMode_Source; update(); }
@@ -150,7 +152,7 @@
 
     void setCircleAlpha(int alpha) { m_circle_alpha = alpha; update(); }
     void setCircleColor(int hue) { m_circle_hue = hue; update(); }
-    void setAnimationEnabled(bool enabled) { m_animation_enabled = enabled; update(); }
+    void setAnimationEnabled(bool enabled);
 
 private:
     void updateCirclePos();
@@ -177,6 +179,7 @@
 
     ObjectType m_current_object;
     bool m_animation_enabled;
+    int m_animationTimer;
 
 #ifdef QT_OPENGL_SUPPORT
     QGLPixelBuffer *m_pbuffer;