#ifndef B3G_WINDOW_INTERFACE

#ifndef B3G_WINDOW_INTERFACE_H
#define B3G_WINDOW_INTERFACE_H

typedef void (*b3WheelCallback)(float deltax, float deltay);
typedef void (*b3ResizeCallback)( float width, float height);
typedef void (*b3MouseMoveCallback)( float x, float y);
typedef void (*b3MouseButtonCallback)(int button, int state, float x, float y);
typedef void (*b3KeyboardCallback)(int keycode, int state);
typedef void (*b3RenderCallback) ();

enum {
B3G_ESCAPE = 27,
B3G_F1 = 0xff00,
B3G_F2,
B3G_F3,
B3G_F4,
B3G_F5,
B3G_F6,
B3G_F7,
B3G_F8,
B3G_F9,
B3G_F10,
B3G_F11,
B3G_F12,
B3G_F13,
B3G_F14,
B3G_F15,
B3G_LEFT_ARROW,
B3G_RIGHT_ARROW,
B3G_UP_ARROW,
B3G_DOWN_ARROW,
B3G_PAGE_UP,
B3G_PAGE_DOWN,
B3G_END,
B3G_HOME,
B3G_INSERT,
B3G_DELETE,
B3G_BACKSPACE,
B3G_SHIFT,
B3G_CONTROL,
B3G_ALT,
B3G_RETURN
};

struct b3gWindowConstructionInfo
{
int m_width;
int m_height;
bool m_fullscreen;
int m_colorBitsPerPixel;
void* m_windowHandle;
const char* m_title;
int m_openglVersion;

b3gWindowConstructionInfo(int width=1024, int height=768)
:m_width(width),
m_height(height),
m_fullscreen(false),
m_colorBitsPerPixel(32),
m_windowHandle(0),
m_title("title"),
m_openglVersion(3)
{
}
};

class CommonWindowInterface
{
public:

virtual ~CommonWindowInterface()
{
}

virtual void createDefaultWindow(int width, int height, const char* title)
{
b3gWindowConstructionInfo ci(width,height);
ci.m_title = title;
createWindow(ci);
}

virtual void createWindow(const b3gWindowConstructionInfo& ci)=0;

virtual void closeWindow()=0;

virtual void runMainLoop()=0;
virtual float getTimeInSeconds()=0;

virtual bool requestedExit() const = 0;
virtual void setRequestExit() = 0;

virtual void startRendering()=0;

virtual void endRendering()=0;

virtual bool isModifierKeyPressed(int key) = 0;

virtual void setMouseMoveCallback(b3MouseMoveCallback mouseCallback)=0;
virtual b3MouseMoveCallback getMouseMoveCallback()=0;

virtual void setMouseButtonCallback(b3MouseButtonCallback mouseCallback)=0;
virtual b3MouseButtonCallback getMouseButtonCallback()=0;

virtual void setResizeCallback(b3ResizeCallback resizeCallback)=0;
virtual b3ResizeCallback getResizeCallback()=0;

virtual void setWheelCallback(b3WheelCallback wheelCallback)=0;
virtual b3WheelCallback getWheelCallback()=0;

virtual void setKeyboardCallback( b3KeyboardCallback keyboardCallback)=0;
virtual b3KeyboardCallback getKeyboardCallback()=0;

virtual void setRenderCallback( b3RenderCallback renderCallback) = 0;

virtual void setWindowTitle(const char* title)=0;

virtual float getRetinaScale() const =0;
virtual void setAllowRetina(bool allow) =0;

virtual int getWidth() const = 0;
virtual int getHeight() const = 0;

virtual int fileOpenDialog(char* fileName, int maxFileNameLength) = 0;

};

#endif //B3G_WINDOW_INTERFACE_H