/////////////////////////////////////////////////////////////////////////////
// Name:        cube.h
// Purpose:     wxGLCanvas demo program
// Author:      Julian Smart
// Created:     04/01/98
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_CUBE_H_
#define _WX_CUBE_H_

#include "wx/glcanvas.h"

// the rendering context used by all GL canvases
class TestGLContext : public wxGLContext
{
public:
    TestGLContext(wxGLCanvas *canvas);

    // render the cube showing it at given angles
    void DrawRotatedCube(float xangle, float yangle);

private:
    // textures for the cube faces
    GLuint m_textures[6];
};

// Define a new application type
class MyApp : public wxApp
{
public:
    MyApp() { m_glContext = nullptr; m_glStereoContext = nullptr; }

    // Returns the shared context used by all frames and sets it as current for
    // the given canvas.
    TestGLContext& GetContext(wxGLCanvas *canvas, bool useStereo);

    // virtual wxApp methods
    virtual bool OnInit() override;
    virtual int OnExit() override;

private:
    // the GL context we use for all our mono rendering windows
    TestGLContext *m_glContext;
    // the GL context we use for all our stereo rendering windows
    TestGLContext *m_glStereoContext;
};

// Define a new frame type
class MyFrame : public wxFrame
{
public:
    MyFrame(bool stereoWindow = false);

private:
    void OnAbout(wxCommandEvent& event);
    void OnClose(wxCommandEvent& event);
    void OnNewWindow(wxCommandEvent& event);
    void OnNewStereoWindow(wxCommandEvent& event);

    void OnDisableVSync(wxCommandEvent& event);
    void OnEnableVSync(wxCommandEvent& event);
    void OnEnableAdaptiveVSync(wxCommandEvent& event);
    void OnGetSwapInterval(wxCommandEvent& event);

    wxGLCanvas* m_canvas = nullptr;

    wxDECLARE_EVENT_TABLE();
};

class TestGLCanvas : public wxGLCanvas
{
public:
    TestGLCanvas(wxWindow *parent, bool useStereo);

private:
    void OnPaint(wxPaintEvent& event);
    void Spin(float xSpin, float ySpin);
    void OnKeyDown(wxKeyEvent& event);
    void OnSpinTimer(wxTimerEvent& WXUNUSED(event));

    // angles of rotation around x- and y- axis
    float m_xangle,
          m_yangle;

    wxTimer m_spinTimer;
    bool m_useStereo,
         m_stereoWarningAlreadyDisplayed;

    wxDECLARE_EVENT_TABLE();
};

enum
{
    NEW_STEREO_WINDOW = wxID_HIGHEST,
    DISABLE_VSYNC,
    ENABLE_VSYNC,
    ENABLE_ADAPTIVE_VSYNC,
    GET_SWAP_INTERVAL
};

#endif // _WX_CUBE_H_
