#pragma once

#include <QWidget>
#include <QTouchEvent>

/**
 * This class provides a fix/workaround for UI becoming unresponsive in certain situations when using multiple touch screens at the same time.
 * The workaround lies in unregistering touch points that the Qt itself fails to unregister.
 */
class MultiTouchScreenFix : public QObject {
	Q_OBJECT

public:
	static void install(QWidget *wgt);

protected:
	virtual bool eventFilter(QObject *o, QEvent *e) override;

private:
	MultiTouchScreenFix(QWidget *wgt);

private:
	QHash<int, QTouchEvent::TouchPoint> leftoverTouchPoints_;

};