diff --git a/lib/documentview/abstractrasterimageviewtool.h b/lib/documentview/abstractrasterimageviewtool.h
--- a/lib/documentview/abstractrasterimageviewtool.h
+++ b/lib/documentview/abstractrasterimageviewtool.h
@@ -54,20 +54,14 @@
     virtual void paint(QPainter*)
     {}
 
-    virtual void mousePressEvent(QGraphicsSceneMouseEvent*)
-    {}
-    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent*)
-    {}
-    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent*)
-    {}
+    virtual void mousePressEvent(QGraphicsSceneMouseEvent* event);
+    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
+    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
     virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event);
-    virtual void hoverMoveEvent(QGraphicsSceneHoverEvent*)
-    {}
+    virtual void hoverMoveEvent(QGraphicsSceneHoverEvent* event);
     virtual void wheelEvent(QGraphicsSceneWheelEvent* event);
-    virtual void keyPressEvent(QKeyEvent*)
-    {}
-    virtual void keyReleaseEvent(QKeyEvent*)
-    {}
+    virtual void keyPressEvent(QKeyEvent* event);
+    virtual void keyReleaseEvent(QKeyEvent* event);
 
     virtual void toolActivated()
     {}
diff --git a/lib/documentview/abstractrasterimageviewtool.cpp b/lib/documentview/abstractrasterimageviewtool.cpp
--- a/lib/documentview/abstractrasterimageviewtool.cpp
+++ b/lib/documentview/abstractrasterimageviewtool.cpp
@@ -54,14 +54,44 @@
     return d->mRasterImageView;
 }
 
+void AbstractRasterImageViewTool::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+    event->ignore();
+}
+
+void AbstractRasterImageViewTool::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+    event->ignore();
+}
+
+void AbstractRasterImageViewTool::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+{
+    event->ignore();
+}
+
 void AbstractRasterImageViewTool::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
 {
     event->ignore();
 }
 
+void AbstractRasterImageViewTool::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
+{
+    event->ignore();
+}
+
 void AbstractRasterImageViewTool::wheelEvent(QGraphicsSceneWheelEvent* event)
 {
     event->ignore();
 }
 
+void AbstractRasterImageViewTool::keyPressEvent(QKeyEvent *event)
+{
+    event->ignore();
+}
+
+void AbstractRasterImageViewTool::keyReleaseEvent(QKeyEvent *event)
+{
+    event->ignore();
+}
+
 } // namespace