#ifndef _FULL_DLG_H
#define _FULL_DLG_H

template<class T>
class full_dlg: public T
{
	CRect rc;
	bool fulled;
	DWORD style;
	CWnd* owner;

	void init(){fulled=false; style=0; owner = NULL;}
public:
	typedef full_dlg<T> baseclass;

	full_dlg(){init();}
	full_dlg(CWnd* p): T(p){init();}
	full_dlg(UINT idd, CWnd* p): T(idd, p){init();}

	virtual void full_scr()
	{
		if( fulled )
			return;

		style = GetExStyle();

		ModifyStyleEx(WS_EX_CLIENTEDGE | WS_EX_APPWINDOW, 0, SWP_FRAMECHANGED | SWP_DRAWFRAME);
		GetWindowRect(rc);

		if( GetStyle() & WS_CHILD )
		{
			owner = GetParent();
			ModifyStyle( WS_CHILD, WS_POPUP, 0);
			//SetOwner(NULL);
			SetParent(NULL);
			owner->ScreenToClient(rc);
		}

		int cx = ::GetSystemMetrics(SM_CXSCREEN);
		int cy = ::GetSystemMetrics(SM_CYSCREEN);
		MoveWindow(CRect(0,0,cx,cy));

		fulled = true;
	}
	virtual void restore()
	{
		if( !fulled )
			return;

		fulled = false;
		if( owner )
		{
			SetOwner(owner);
			SetParent(owner);
			ModifyStyle(WS_POPUP, WS_CHILD, 0);
		}
		MoveWindow(rc);

		ModifyStyleEx(0, style, SWP_DRAWFRAME);

		if( GetParent() )
			GetParent()->SetFocus();
	}

	void toggle()
	{
		if( fulled )
			restore();
		else
			full_scr();
	}
	bool is_fulled() const {return fulled;}

protected:
	virtual LRESULT DefWindowProc(UINT msg, WPARAM w, LPARAM l)
	{
		if( msg == WM_KILLFOCUS )
		{
			restore();
		}
		return T::DefWindowProc(msg, w, l);
	}
};

#endif