#ifndef __OGLWINDOW_H__
#define __OGLWINDOW_H__

#include <windows.h>
#include <gl\gl.h>
#include <gl\glu.h>

#include "inputsystem.h"

class COGLWindow
{
protected:
	HWND		hWnd;	// window handle
	HDC		hDC;		// device context
	HPALETTE	hPalette;	// palette
	HGLRC	hGLRC;	// rendering context

private:

	// the WndProc
	friend LRESULT APIENTRY WndProcOGL(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

	void SetupPixelFormat();		// setup the pixel format
	void SetupPalette();		// setup the palette

	// Windows message handling functions
	bool Create();					// WM_CREATE
	void Destroy();				// WM_DESTROY
	void PaletteChanged(WPARAM wParam);// WM_PALETTECHANGED
	BOOL QueryNewPalette();			// WM_QUERYNEWPALETTE
	void Paint();					// WM_PAINT
	void Size();					// WM_SIZE
	void MouseMove(int x, int y);		// WM_MOUSEMOVE

	int GetMouseX(LPARAM lParam);		// get true mouse coordinates
	int GetMouseY(LPARAM lParam);

	float GetNormalizedPosX(LPARAM lParam);	// get normalized mouse coordinates
	float GetNormalizedPosY(LPARAM lParam);	// between (-1.0 and 1.0)

	int iPrevWidth;
	int iPrevHeight;
	void BeginFullScreen(int w, int h, int b);
	void EndFullScreen();

public:
	int width;
	int height;
	int centerX;
	int centerY;
	int bits;
	int aspect;
	int mouseX;
	int mouseY;
	bool fullscreen;

	float mouseSensitivity;

	bool useDInput;	// true if dinput is enabled
	CInputSystem *inputSystem;

protected:
	virtual bool OnCreate() { return true; }
	virtual bool OnClose() { return true; }
	virtual void OnSize() { }
	virtual void OnMouseDownL(float x, float y) { }
	virtual void OnMouseDownR(float x, float y) { }
	virtual void OnMouseUpL() { }
	virtual void OnMouseUpR() { }
	virtual void OnMouseMove(int x, int y, int centerX, int centerY) { }
	virtual void OnMouseMove(int deltaX, int deltaY) { }
	virtual void OnMouseDragL(int x, int y, int dx, int dy) { }
	virtual void OnMouseDragR(int x, int y, int dx, int dy) { }
	virtual void OnCommand(WORD wNotifyCode, WORD wID, HWND hWndCtrl) { }
	virtual void OnContextMenu(HWND hWnd, int x, int y) { }
	virtual void OnKeyUp(int nVirtKey) { }
	virtual void OnInitMenu(HMENU hMenu) { }
	virtual void OnKeyDown(int nVirtKey) { }
	virtual void OnChar(char c) { }

public:
	COGLWindow() {}
	COGLWindow(const char *szName, bool fscreen, int w, int h, int b);
	virtual ~COGLWindow();

	// this must be called before the class is used
	static bool RegisterWindow(HINSTANCE hInst);
};

#endif