Canvas.h

//
// Name: canvas.h
//
// Copyright (c) 2001-2011 Virtual Terrain Project
// Free for all uses, see license.txt for details.
//

#ifndef CANVASH
#define CANVASH

#if !wxUSE_GLCANVAS
#error Please set wxUSE_GLCANVAS to 1 in setup.h.
#endif
#include "wx/glcanvas.h"

//
// Extent wxWidget's canvas to integrate with vtlib and OSG
//
class vtGLCanvas: public wxGLCanvas
{
public:
    vtGLCanvas(wxWindow *parent, const wxWindowID id, const wxPoint &pos,
      const wxSize &size, long style, const wxString &name, int *gl_attrib);
    ~vtGLCanvas(void);

    // SpaceNavigator methods
    void EnableSpaceNav();
    void SetSpaceNavSpeed(float f);
    void SetSpaceNavAllowRoll(bool b);

#ifndef __WXMAC__
    void OnPaint(wxPaintEvent& event);
#endif
    void OnSize(wxSizeEvent& event);
    void OnEraseBackground(wxEraseEvent& event);
    void OnMouseCaptureLost(wxMouseCaptureLostEvent & event);
    void OnChar(wxKeyEvent& event);
    void OnKeyDown(wxKeyEvent& event);
    void OnKeyUp(wxKeyEvent& event);
    void OnMouseEvent(wxMouseEvent& event);
    void OnClose(wxCloseEvent& event);
    void OnIdle(wxIdleEvent &event);

#ifndef __WXMAC__
    bool m_bPainting;
    bool m_bFirstPaint;
#endif
    bool m_bRunning;
    bool m_bCapture;

#if WIN32
    // Hook into the default window procedure
    virtual WXLRESULT MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
#endif

    // Override to be notified
    virtual void OnAfterUpdate() {}
    virtual void OnCanvasChar(wxKeyEvent& event) {}

protected:
    bool m_pbKeyState[512];

    // The number of mousemoves we've gotten since last redraw
    int m_iConsecutiveMousemoves;

    DECLARE_EVENT_TABLE()
};

void EnableContinuousRendering(bool bTrue);

#endif  // CANVASH