#ifndef _MDIWIN_HPP_
#define _MDIWIN_HPP_
#include <mdiwin/windows.hpp>
#include <mdiwin/windowsx.hpp>
#include <mdiwin/crsctrl.hpp>

class MDIWindow : public CursorControl
{
public:
	MDIWindow();
	virtual ~MDIWindow();
	HWND GetHandle(void)const;
	int Show(int nCmdShow)const;
	void Update(void)const;
protected:
	virtual long WndProc(UINT message,WPARAM wParam,LPARAM lParam)=0;
//	static long FAR PASCAL _export MDIWndProc(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam);
	__declspec(dllexport) static LONG FAR PASCAL MDIWndProc(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam);
private:
#if defined (__SMALL__) || defined (__MEDIUM__)
 static MDIWindow *MDIWindow::GetPointer(HWND hWnd);
 static void MDIWindow::SetPointer(HWND hWnd,MDIWindow *pWindow);
#else
 static MDIWindow *MDIWindow::GetPointer(HWND hWnd);
 static void MDIWindow::SetPointer(HWND hWnd,MDIWindow *pWindow);
#endif
	void SetHandle(HWND hWnd);
	HWND mhWnd;
};

inline
HWND MDIWindow::GetHandle(void)const
{
	if(::IsWindow(mhWnd))return mhWnd;
	return 0;
}

inline void MDIWindow::SetHandle(HWND hWnd)
{
	mhWnd=hWnd;
}

inline
int MDIWindow::Show(int nCmdShow)const
{
  if(!GetHandle())return FALSE;
	return ::ShowWindow(GetHandle(),nCmdShow);
}

inline
void MDIWindow::Update(void)const
{
  if(!GetHandle())return;
	::UpdateWindow(GetHandle());
}

#if defined (__SMALL__) || defined (__MEDIUM__)
inline
MDIWindow *MDIWindow::GetPointer(HWND hWnd)
{
  return (MDIWindow*)GetWindowWord(hWnd,0);

}
inline
void MDIWindow::SetPointer(HWND hWnd,MDIWindow *pWindow)
{
  SetWindowWord(hWnd,0,(WORD)pWindow);
}
#else
inline
MDIWindow *MDIWindow::GetPointer(HWND hWnd)
{
	return (MDIWindow*)::GetWindowLong(hWnd,0);
}
inline
void MDIWindow::SetPointer(HWND hWnd,MDIWindow *pWindow)
{
  ::SetWindowLong(hWnd,0,(LONG)pWindow);
}
#endif
#endif