Add support for graphics effects on QWidget.

3 files changed, 12 insertions, 0 deletions

diff --git a/src/gui/effects/qgraphicseffect.cpp b/src/gui/effects/qgraphicseffect.cpp
index c6f2871..3d363f1 100644
--- a/src/gui/effects/qgraphicseffect.cpp
+++ b/src/gui/effects/qgraphicseffect.cpp
@@ -97,6 +97,7 @@
 #include <QtGui/qimage.h>
 #include <QtGui/qpainter.h>
 #include <QtCore/qrect.h>
+#include <QtCore/qdebug.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -122,6 +123,11 @@ const QGraphicsItem *QGraphicsEffectSource::graphicsItem() const
     return d_func()->graphicsItem();
 }
 
+const QWidget *QGraphicsEffectSource::widget() const
+{
+    return d_func()->widget();
+}
+
 const QStyleOption *QGraphicsEffectSource::styleOption() const
 {
     return d_func()->styleOption();
diff --git a/src/gui/effects/qgraphicseffect.h b/src/gui/effects/qgraphicseffect.h
index 4344e2d..f6c47d7 100644
--- a/src/gui/effects/qgraphicseffect.h
+++ b/src/gui/effects/qgraphicseffect.h
@@ -65,6 +65,7 @@ class Q_GUI_EXPORT QGraphicsEffectSource : public QObject
 public:
     ~QGraphicsEffectSource();
     const QGraphicsItem *graphicsItem() const;
+    const QWidget *widget() const;
     const QStyleOption *styleOption() const;
 
     bool isPixmap() const;
@@ -85,6 +86,8 @@ private:
     friend class QGraphicsEffectPrivate;
     friend class QGraphicsScenePrivate;
     friend class QGraphicsItem;
+    friend class QWidget;
+    friend class QWidgetPrivate;
 };
 
 class QGraphicsEffectPrivate;
@@ -131,6 +134,8 @@ private:
     friend class QGraphicsItem;
     friend class QGraphicsItemPrivate;
     friend class QGraphicsScenePrivate;
+    friend class QWidget;
+    friend class QWidgetPrivate;
 };
 Q_DECLARE_OPERATORS_FOR_FLAGS(QGraphicsEffect::ChangeFlags);
 
diff --git a/src/gui/effects/qgraphicseffect_p.h b/src/gui/effects/qgraphicseffect_p.h
index 309b382..25397c3 100644
--- a/src/gui/effects/qgraphicseffect_p.h
+++ b/src/gui/effects/qgraphicseffect_p.h
@@ -70,6 +70,7 @@ public:
     virtual QRectF boundingRect(Qt::CoordinateSystem system) const = 0;
     virtual QRect deviceRect() const = 0;
     virtual const QGraphicsItem *graphicsItem() const = 0;
+    virtual const QWidget *widget() const = 0;
     virtual const QStyleOption *styleOption() const = 0;
     virtual void draw(QPainter *p) = 0;
     virtual void update() = 0;