SoInteractionController.h

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/*************************************************************************************
**
** Copyright 2008, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#ifndef SO_INTERACTION_CONTROLLER_H
#define SO_INTERACTION_CONTROLLER_H
 
 
#include "SoManagedInteractionSystem.h"
#include "SoInteractionCoordinator.h"
 
#include <ThirdPartyWarningsDisable.h>
#include <Inventor/fields/SoFields.h>
#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/nodes/SoShape.h>
#include <Inventor/nodes/SoGroup.h>
#include <Inventor/sensors/SoFieldSensor.h>
#include <Inventor/sensors/SoNodeSensor.h>
#include <Inventor/elements/SoCacheElement.h>
#include <Inventor/actions/SoCallbackAction.h>
#include <Inventor/events/SoKeyboardEvent.h>
#include <Inventor/SbLinear.h>
#include <Inventor/SbTime.h>
#include <ThirdPartyWarningsRestore.h>
 
#include "SoPointingAction.h"
 
class SOMANAGEDINTERACTION_API SoInteractionController
  : public SoGroup, public SoInteractionCoordinator
{
  SO_NODE_HEADER(SoInteractionController);
 
public:
  static void    initClass();
 
  SoInteractionController();
  ~SoInteractionController() override;
 
  // fields
 
  SoSFString activePointingAction;
 
  SoSFString activePointingActionProvider;
 
  SoSFBool inDrag;
 
  SoSFString activePointingActionStatus;
 
  SoSFBool enableMouseHandling;
 
  SoSFBool enableKeyHandling;
 
  SoSFBool enableWheelHandling;
 
  void  handleEvent(SoHandleEventAction *action) override;
 
  bool isDragThresholdExceeded() const override { return _dragThresholdExceeded; }
 
protected:
  void setDragging(bool dragging = true) override;
 
private:
  void updatePointerStatus(SoAction* action);
 
  void setSelectedPointingAction (SoPointingAction* pAction,
      SoInteractionHandler* handler, const SoPointerPosition& location, bool allowed = true) override;
 
  int _currentButtonMask;
  SbVec2s _clickStartPos;
  int _clickCount;
  bool _dragThresholdExceeded;
  bool _wasDoubleClick;
};
 
#endif //__SoInteractionController_H