1 files changed, 14 insertions, 4 deletions
diff --git a/pictureviewer2.h b/pictureviewer2.h
index 7b106bf..6c9035a 100644
--- a/pictureviewer2.h
+++ b/pictureviewer2.h
@@ -13,16 +13,25 @@
 
 class QGraphicsScene;
 class QGraphicsPixmapItem;
+class QWheelEvent;
 
 class PictureViewer2 : public QGraphicsView {
     Q_OBJECT
     public:
-        explicit PictureViewer2(QWidget *parent = 0); //, Qt::WindowFlags f = 0);
-        void setFiles(const QStringList &files) { mFiles = files; }
+        explicit PictureViewer2(QWidget *parent = 0);
+        void addFiles(const QStringList &files, bool clear = true);
+        void setFile(const QString &file);
         virtual QSize sizeHint() const;
 
+    public slots:
+        void next();
+        void previous();
+
+    protected:
+        void wheelEvent(QWheelEvent *event);
+
     private slots:
-        void setFile(const QString file = mDefaultFile);
+        void showFile(const QString file);
 
     private:
         void setupDialog();
@@ -32,7 +41,8 @@ class PictureViewer2 : public QGraphicsView {
         QGraphicsScene *mScene;
         QSize mMinimunSize;
         QGraphicsPixmapItem *mCur;
-        static const QString mDefaultFile;
+        int mCurPos;
+        const QString mDefaultFile;
 };
 
 #endif // PICTUREVIEWER2_H