QmitkCrossWidget.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef QmitkCrossWidget_h
#define QmitkCrossWidget_h
 
#include "MitkQtWidgetsExtExports.h"
#include <QLabel>
 
#include <mitkCommon.h>
 
class MITKQTWIDGETSEXT_EXPORT QmitkCrossWidget : public QLabel
{
  Q_OBJECT
 
public:
  QmitkCrossWidget(QWidget *parent = nullptr, Qt::WindowFlags f = {});
 
  void mousePressEvent(QMouseEvent *mouseEvent) override;
  void mouseMoveEvent(QMouseEvent *mouseEvent) override;
  void mouseReleaseEvent(QMouseEvent *mouseEvent) override;
 
signals:
 
  void SignalDeltaMove(int, int);
 
protected:
// fix for bug 3378 - setPos() causes an app crash on macOS
#ifdef __APPLE__
  void ResetMousePosition(int, int){};
#else
  void ResetMousePosition(int xpos, int ypos) { QCursor::setPos(xpos, ypos); };
#endif
 
  int lastX, lastY;
};
 
#endif