albaInteractorCompositorMouse.h

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/*=========================================================================
 
 Program: ALBA (Agile Library for Biomedical Applications)
 Module: albaInteractorCompositorMouse
 Authors: Stefano Perticoni
 
 Copyright (c) BIC
 All rights reserved. See Copyright.txt or
 
 
 This software is distributed WITHOUT ANY WARRANTY; without even
 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
 
#ifndef __albaInteractorCompositorMouse_h
#define __albaInteractorCompositorMouse_h
 
#include "albaInteractor.h"
#include "albaEvent.h"
#include "albaInteractorGenericMouse.h"
#include "albaTransform.h"
#include "albaMatrix.h"
#include "albaSmartPointer.h"
 
#include <map>
 
//----------------------------------------------------------------------------
//forward ref
//----------------------------------------------------------------------------
class vtkDoubleArray;
class vtkCellPicker;
 
//----------------------------------------------------------------------------
// combinations of mouse-buttons and key that may start Transformations:
// es: Translate may be initiated by MOUSE_MIDDLE | MOUSE_LEFT_SHIFT
//----------------------------------------------------------------------------
enum MMI_ACTIVATOR
{
    MOUSE_LEFT = 1,
    MOUSE_LEFT_SHIFT =2,
    MOUSE_LEFT_CONTROL = 4,
    
    MOUSE_MIDDLE = 8,
    MOUSE_MIDDLE_SHIFT = 16,
    MOUSE_MIDDLE_CONTROL = 32,
    
    MOUSE_RIGHT = 64,
    MOUSE_RIGHT_SHIFT = 128,
    MOUSE_RIGHT_CONTROL = 256,
};
 
//----------------------------------------------------------------------------
// pressed mouse button
//----------------------------------------------------------------------------
enum MOUSE_BUTTON
{
    NO_BUTTON_PRESSED,
    MOUSE_LEFT_PRESSED, 
    MOUSE_MIDDLE_PRESSED,
    MOUSE_RIGHT_PRESSED, 
};
 
class ALBA_EXPORT albaInteractorCompositorMouse : public albaInteractor
{
public:
  albaTypeMacro(albaInteractorCompositorMouse, albaInteractor);
 
  virtual int StartInteraction(albaDeviceButtonsPadMouse *mouse);
 
  virtual void OnEvent(albaEventBase *event);
 
  virtual albaInteractorGenericMouse *CreateBehavior(MMI_ACTIVATOR activator);
 
  albaInteractorGenericMouse *GetBehavior(MMI_ACTIVATOR activator);
  
protected:
 
  albaInteractorCompositorMouse();
  ~albaInteractorCompositorMouse();
 
  virtual void OnButtonDown(albaEventInteraction *e);
  
  virtual void OnButtonUp(albaEventInteraction *e);
 
  void OnLeftButtonDown   (albaEventInteraction *e);
  void OnLeftButtonUp     (albaEventInteraction *e);
  void OnMiddleButtonDown (albaEventInteraction *e);
  void OnMiddleButtonUp   (albaEventInteraction *e);
  void OnMouseMove        ();
  void OnRightButtonDown  (albaEventInteraction *e);
  void OnRightButtonUp    (albaEventInteraction *e);
 
  typedef std::map<int, albaAutoPointer<albaInteractorGenericMouse> > mmuActivatorMap;
 
  mmuActivatorMap m_ActivatorMap;
 
   void InitInteraction(int buttonPressed, albaEventInteraction *e);
   
  int MouseToActivator(int mouseButton, int shift, int ctrl);
 
  // the active behavior
  albaInteractorGenericMouse *m_ActiveMMIGeneric;
 
private:
 
  albaInteractorCompositorMouse(const albaInteractorCompositorMouse&);  // Not implemented.
  void operator=(const albaInteractorCompositorMouse&);   // Not implemented.
 
  int m_MousePose[2];
  int m_LastMousePose[2];
  int m_ButtonPressed;
 
  vtkCamera *m_CurrentCamera; 
  
  friend class albaInteractorCompositorMouseTest;
 
};
#endif