SoQtTouchpad.h

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// Copyright (c) Fraunhofer MEVIS, Germany. All rights reserved.
// **InsertLicense** code
/*
 _______________________________________________________________________
 __________________  F R A U N H O F E R   M E V I S  __________________
 |
 |   Description:
 |   SoQtTouchpad
 |
 |   Author(s)      : Felix Ritter
 |
 __________________  F R A U N H O F E R   M E V I S  __________________
 _______________________________________________________________________
 */
 
#ifndef  __SoQtTouchpad_H
#define  __SoQtTouchpad_H
 
#include "SoTouchControlInit.h"
#include <Inventor/Qt/SoQt.h>
#include <Inventor/Qt/devices/SoQtSubDevice.h>
#include <Inventor/events/SoMagnify2GestureEvent.h>
#include <Inventor/events/SoPinch2GestureEvent.h>
#include <Inventor/events/SoRotate2GestureEvent.h>
#include <Inventor/events/SoSwipe2GestureEvent.h>
#include <Inventor/events/SoPan2GestureEvent.h>
#include <Inventor/events/SoMultiTapGestureEvent.h>
#include <Inventor/events/SoHoldWhilePanGestureEvent.h>
#include <Inventor/events/SoMouseButtonEvent.h>
#include <set>
 
#include <Inventor/fields/SoSFBool.h>
 
 
class TOUCHCONTROL_API SoQtTouchpad : public SoQtDevice, public QObject
{
  SO_QT_DEVICE_HEADER();
  
public:
 
  enum Mask {
    MAGNIFY      = 0x01,   
    ROTATE       = 0x02,   
    PAN          = 0x04,   
    SWIPE        = 0x08,   
    DOUBLETAP    = 0x10,   
    HOLDWHILEPAN = 0x20,   
    PINCH        = 0x40,   
    ALL          = 0xFF    
  };
  
  SoQtTouchpad(Mask mask = SoQtTouchpad::ALL);
  ~SoQtTouchpad() override;
  
 
  virtual void        enable(QWidget *w, SoQtEventHandler *f, void *data) override;
  virtual void        disable(QWidget *w, SoQtEventHandler *f, void *data) override;
  
 
  virtual const SoEvent *translateEvent(QEvent *event) override;
  
  SoINTERNAL public:
  static void initClass();
  
private:
  
  Mask                        eventMask;     // Event interest for this device
  SoPinch2GestureEvent       *pinchEvent;
  SoMagnify2GestureEvent     *magnifyEvent;
  SoRotate2GestureEvent      *rotateEvent;
  SoSwipe2GestureEvent       *swipeEvent;
  SoPan2GestureEvent         *panEvent;
  SoMultiTapGestureEvent     *multiTapEvent;
  SoHoldWhilePanGestureEvent *holdWhilePanEvent;
  SoMouseButtonEvent         *mouseButtonEvent;
  
  Qt::GestureType doubleTapGestureType;
  Qt::GestureType holdWhilePanGestureType;
  Qt::GestureType newPinchGestureType;
  Qt::GestureType newPanGestureType;
  Qt::GestureType panNoDelayGestureType;
  
  static std::set<SoQtTouchpad *> activeInstances;
  
  QWidget *gestureWidget;
  bool    enabled;
  SoEvent  *currentEvent;
};
 
#endif  // __SoQtTouchpad_H