1 files changed, 8 insertions, 0 deletions
diff --git a/src/outputwindow.h b/src/outputwindow.h
index bb7ef7b..182499a 100644
--- a/src/outputwindow.h
+++ b/src/outputwindow.h
@@ -65,6 +65,9 @@ public slots:
 	void reset();
 
 protected:
+	void mouseMoveEvent(QMouseEvent* event);
+	void mousePressEvent(QMouseEvent* event);
+	void mouseReleaseEvent(QMouseEvent* event);
 	void wheelEvent(QWheelEvent* event);
 	void paintEvent(QPaintEvent* event);
 
@@ -92,4 +95,9 @@ private:
 	QString penfile;
 
 	volatile float scale{2.0f};
+
+	bool dragging{false};
+	QPoint dragOffsetOrigo{0, 0};
+	QPoint dragOffset{0, 0};
+	QPoint offset{0, 0};
 };