mitkWidgetModel.h

/*=========================================================================

  Program:   3DMed
  Date:      $Date: 2014-02-25 18:30:00 +0800 $
  Version:   $Version: 4.6.0 $
  Copyright: MIPG, Institute of Automation, Chinese Academy of Sciences

=========================================================================*/


#ifndef __mitkWidgetModel_h
#define __mitkWidgetModel_h

#include "mitkModel.h"
#include "mitkDataModel.h"
#include "mitkRenderer.h"
#include "mitkGeometryTypes.h"

#include <GL/glu.h>
#include <GL/gl.h>
#include <math.h>

typedef Point3f PointType;

class mitkWidgetModel;
typedef struct _widget_names
{
    mitkWidgetModel *owner;
    GLuint name1;
    GLuint name2;
    GLuint name3;
//  GLdouble minz;

} WidgetNames;

class mitkScene;
class mitkView;

class MITK_VISUALIZATION_API mitkWidgetModel : public mitkModel
{
public:
    MITK_TYPE(mitkWidgetModel, mitkModel)


    virtual void PrintSelf(ostream &os);

    virtual void Pick(const WidgetNames &names) = 0;

    virtual void Release() = 0;

    virtual void Select(mitkScene *scene);
    
    void OnMouseDown(int mouseButton, bool ctrlDown, bool shiftDown, int xPos, int yPos);

    void OnMouseUp(int mouseButton, bool ctrlDown, bool shiftDown, int xPos, int yPos);

    void OnMouseMove(bool ctrlDown, bool shiftDown, int xPos, int yPos, int deltaX, int deltaY);

    virtual void SetSourceModel(mitkDataModel *model);
    
    mitkDataModel* GetSourceModel() { return m_SourceModel; }

    virtual void SetScene(mitkScene *scene) = 0;

    virtual void SetView(mitkView *view);
    
    virtual bool IsOpaque() { return m_IsOpaque; }

    virtual bool IsActive() { return m_IsActive; }

    bool IsMouseLeftButtonDown() { return m_LButtonDown; }

    bool IsMouseRightButtonDown() { return m_RButtonDown; }

    bool IsMouseMiddleButtonDown() { return m_MButtonDown; }

    void UpdateObservers() { this->_updateObservers(); }

    virtual void Update() = 0;

    GLuint GetIndex() {return m_Index;}
    static mitkWidgetModel* GetInstance(GLuint index);

protected:
    mitkWidgetModel();
    virtual ~mitkWidgetModel();

    virtual void _onMouseDown(int mouseButton, bool ctrlDown, bool shiftDown, int xPos, int yPos) = 0;

    virtual void _onMouseUp(int mouseButton, bool ctrlDown, bool shiftDown, int xPos, int yPos) = 0;

    virtual void _onMouseMove(bool ctrlDown, bool shiftDown, int xPos, int yPos, int deltaX, int deltaY) = 0;

    void _pushName();
    void _popNames();
    
    mitkDataModel *m_SourceModel;
    GLuint m_PickedObj;
    bool m_LButtonDown;
    bool m_MButtonDown;
    bool m_RButtonDown;
    bool m_IsOpaque;
    bool m_IsSelectMode;
    bool m_IsActive;

    GLuint m_Index;
    
private:
    mitkWidgetModel(const mitkWidgetModel&);
    void operator = (const mitkWidgetModel&);
    
    static int RegisterInstance(mitkWidgetModel* instance);
    static void UnregisterInstance(GLuint index);
};

inline void mitkWidgetModel::_pushName()
{
    glPushName(m_Index); // only for 32bit pointer
}

inline void mitkWidgetModel::_popNames()
{
    //pop "this"
    glPopName();

    //pop 3 components' names
    glPopName();
    glPopName();
    glPopName();    
}

 
//#define DEFINED_mitkWidgetModel



#endif

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