mod_fem_viewer/FemViewer/wx/wxOpenGL.h

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#ifndef _WX_OPENGL_H_
#define _WX_OPENGL_H_

#include "wx/thread.h"
#include "wx/glcanvas.h"
#include "fv_timer.h"

namespace FemViewer {
class ViewManager;
class ModelCtrl;

namespace WxGUI     {


#define EVT_MY_REFRESH_CANVAS 20000

enum {
    MY_RENDER_THREAD_UPDATE = wxID_HIGHEST + 2000,
    MY_RENDER_THREAD_COMPLETE,
};

class wxMainWindow;
class wxRenderCanvas;

/*class RenderThread
        : public wxThread
{
  public:
    RenderThread(wxRenderCanvas *pcanvas,unsigned delay = 16)
    : wxThread(wxTHREAD_DETACHED)
    , _Handler(pcanvas)
    , m_iRefreshDelay(delay)
    { ; }

  protected:
    virtual void* Entry();
    wxMainWindow *_Handler;
    //wxWindowID    m_iGLCanvasID;
    unsigned        m_iRefreshDelay;
};
*/

//class wxMainWindow;

class wxRenderCanvas : public wxGLCanvas
{
    friend class RenderThread;
  public:
    wxRenderCanvas(wxFrame* parent,
                   wxWindowID id = wxID_ANY,
                   int* gl_attrib = NULL,
                   const wxPoint& pos = wxDefaultPosition,
                   const wxSize& size = wxDefaultSize,
                   long style = 0,
                   const wxString& name = wxT("FemViewer"));
    ~wxRenderCanvas();
    void CleanUp();
    void InitGL();
    int GetWidth();
    int GetHeight();
    wxBitmap GetScreenShots();
    void PaintNow();

  //protected:
    void OnRefresh(wxCommandEvent& event);
    void OnThreadUpdate(wxThreadEvent& event);
    void OnThreadComplete(wxThreadEvent& event);
    void OnPaint(wxPaintEvent& event);
    void OnIdle(wxIdleEvent& event);
    int  Modifires(wxMouseEvent& event);
    void OnSize(wxSizeEvent& event);
    void OnEraseBackground(wxEraseEvent& event);
    void OnMouseMove(wxMouseEvent& event);
    void OnLeftBtnDown(wxMouseEvent& event);
    void OnLeftBtnUp(wxMouseEvent& event);
    void OnMiddleBtnDown(wxMouseEvent& event);
    void OnMiddleBtnUp(wxMouseEvent& event);
    void OnRightBtnDown(wxMouseEvent& event);
    void OnRightBtnUp(wxMouseEvent& event);
    //void OnMouse(wxMouseEvent& event);
    void OnMouseWheel(wxMouseEvent& event);
    

    void OnEnterWindow(wxMouseEvent& event);
    void OnWindowCreate(wxWindowCreateEvent& event);
    /*void GetViewportOffset() const;*/
    


  private:
    bool            m_rendering;
    bool            m_binitGL;
    int             m_ndraging;
    wxGLContext     *m_context, *m_dummyconetxt;
    ModelCtrl       *m_modelCtr;
    ViewManager     *m_viewCtr;
    int             m_frame_cnt;
    fv_timer        m_timer;
    
    wxDECLARE_NO_COPY_CLASS(wxRenderCanvas);
    wxDECLARE_EVENT_TABLE();

};

}// end namespace WxGUI
}// end namespace FemViewer


#endif /* _WX_OPENGL_H_
*/

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