#ifndef PULSEVIEW_PV_VIEW_VIEWPORT_HPP
#define PULSEVIEW_PV_VIEW_VIEWPORT_HPP
+#include <boost/optional.hpp>
+
#include <QTimer>
#include <QTouchEvent>
+#include "pv/util.hpp"
#include "viewwidget.hpp"
class QPainter;
void wheelEvent(QWheelEvent *event);
private:
- double drag_offset_;
+ boost::optional<pv::util::Timestamp> drag_offset_;
+ int drag_v_offset_;
double pinch_offset0_;
double pinch_offset1_;