Program Listing for File canvas_click_filter.h
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// Copyright (c) 2014, Southwest Research Institute® (SwRI®)
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#ifndef MAPVIZ_PLUGINS__CANVAS_CLICK_FILTER_H_
#define MAPVIZ_PLUGINS__CANVAS_CLICK_FILTER_H_
#include <QObject>
#include <QPoint>
namespace mapviz_plugins
{
class CanvasClickFilter : public QObject
{
Q_OBJECT
public:
CanvasClickFilter();
void setMaxClickTime(qint64 max_ms);
void setMaxClickMovement(qreal max_distance);
Q_SIGNALS:
void pointClicked(const QPointF&);
protected:
bool eventFilter(QObject *object, QEvent* event) override;
private:
bool is_mouse_down_;
QPointF mouse_down_pos_;
qint64 mouse_down_time_;
qint64 max_ms_;
qreal max_distance_;
};
} // namespace mapviz_plugins
#endif // MAPVIZ_PLUGINS__CANVAS_CLICK_FILTER_H_