Custom QGraphicsScene for PictureViewer2

Introduce PictureViewerGraphicsScene for upcoming control items in the
scene.

1 files changed, 10 insertions, 2 deletions

diff --git a/pictureviewer2.h b/pictureviewer2.h
index c9a1f2a..5b78982 100644
--- a/pictureviewer2.h
+++ b/pictureviewer2.h
@@ -14,7 +14,7 @@
 #include <QGraphicsItem>
 #include <QStaticText>
 
-class QGraphicsScene;
+class PictureViewerGraphicsScene;
 class QGraphicsPixmapItem;
 class QWheelEvent;
 class QContextMenuEvent;
@@ -95,7 +95,7 @@ class PictureViewer2 : public QGraphicsView {
         QString constructWindowTitle() const;
         PicDataList mFiles;
         PicDataList mMarkedFiles;
-        QGraphicsScene *mScene;
+        PictureViewerGraphicsScene *mScene;
         QGraphicsPixmapItem *mCur;
         int mCurPos;
         int mConfigInfoPos;
@@ -143,4 +143,12 @@ class PictureViewer2Item : public QGraphicsItem {
         QTextDocument *mDoc;
 };
 
+class PictureViewerGraphicsScene : public QGraphicsScene {
+    public:
+        explicit PictureViewerGraphicsScene(QObject *parent = 0) : QGraphicsScene(parent) {}
+
+    protected:
+        virtual void mousePressEvent(QGraphicsSceneMouseEvent *e);
+};
+
 #endif // PICTUREVIEWER2_H