/***************************************************************************
 *   Copyright (C) 2008 by Sindre Aamås                                    *
 *   aamas@stud.ntnu.no                                                    *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License version 2 as     *
 *   published by the Free Software Foundation.                            *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License version 2 for more details.                *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   version 2 along with this program; if not, write to the               *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef GDISETTINGS_H_
#define GDISETTINGS_H_

#include "uncopyable.h"
#include <windows.h>

class GdiSettings : Uncopyable {
	struct MonInfo { 
		DWORD  cbSize; 
		RECT   rcMonitor; 
		RECT   rcWork; 
		DWORD  dwFlags; 
		TCHAR  szDevice[CCHDEVICENAME];
	};

	typedef BOOL (WINAPI *GetMonInfo)(HMONITOR, MonInfo*);
    typedef HMONITOR (WINAPI *MonFromWindow)(HWND, DWORD);
    typedef HMONITOR (WINAPI *MonFromPoint)(POINT pt, DWORD dwFlags);
    typedef LONG (WINAPI *ChangeGdiSettingsEx)(LPCTSTR, LPDEVMODE, HWND, DWORD, LPVOID);
    
public:
	enum { MON_DEFAULTTONEAREST = 2 };
	
private:
	HMODULE user32handle;
	GetMonInfo getMonitorInfo;
	ChangeGdiSettingsEx changeDisplaySettingsEx;
	
public:
	MonFromWindow monitorFromWindow;
	MonFromPoint monitorFromPoint;
	
private:
	TCHAR *getMonitorName(HMONITOR monitor, MonInfo *minfo) const;
	
public:
	GdiSettings();
	~GdiSettings();
	BOOL enumDisplaySettings(HMONITOR monitor, DWORD iModeNum, LPDEVMODE devmode) const;
	LONG changeDisplaySettings(HMONITOR monitor, LPDEVMODE devmode, DWORD dwflags) const;
};

extern const GdiSettings gdiSettings;

#endif /*GDISETTINGS_H_*/
