Fix for QTBUG-5870 QGraphicsProxyWidget does not show children on

Symbian.

QS60PaintEngine returned wrong device in QPaintEngine::paintDevice().

Task-number: QTBUG-5870
Reviewed-by: Jason Barron
(cherry picked from commit 4378b168ad289e1acbde9580b750ce04b51260c3)

1 files changed, 10 insertions, 3 deletions

diff --git a/src/gui/painting/qpaintengine_s60.cpp b/src/gui/painting/qpaintengine_s60.cpp
index f7bafde..765a859 100644
--- a/src/gui/painting/qpaintengine_s60.cpp
+++ b/src/gui/painting/qpaintengine_s60.cpp
@@ -47,18 +47,25 @@ QT_BEGIN_NAMESPACE
 class QS60PaintEnginePrivate : public QRasterPaintEnginePrivate
 {
 public:
-    QS60PaintEnginePrivate(QS60PaintEngine *engine) { Q_UNUSED(engine); }
+    QS60PaintEnginePrivate() {}
 };
 
 QS60PaintEngine::QS60PaintEngine(QPaintDevice *device, QS60PixmapData *data)
-    : QRasterPaintEngine(*(new QS60PaintEnginePrivate(this)), device), pixmapData(data)
+    : QRasterPaintEngine(*(new QS60PaintEnginePrivate), device), pixmapData(data)
 {
 }
 
 bool QS60PaintEngine::begin(QPaintDevice *device)
 {
+    Q_D(QS60PaintEngine);
+
     pixmapData->beginDataAccess();
-    return QRasterPaintEngine::begin(device);
+    bool ret = QRasterPaintEngine::begin(device);
+    // Make sure QPaintEngine::paintDevice() returns the proper device.
+    // QRasterPaintEngine changes pdev to QImage in case of RasterClass QPixmapData
+    // which is incorrect in Symbian.
+    d->pdev = device;
+    return ret;
 }
 
 bool QS60PaintEngine::end()