cmultimonitor.h

日本的开源编辑器源码

//	$Id: CMultiMonitor.h,v 1.2 2004/05/21 15:56:18 genta Exp $
/*!	@file
	@brief マルチモニタ関数動的ロード

	マルチモニタ関数群への動的アクセスクラス

	@author genta
	@date May 01, 2004
*/
/*
	Copyright (C) 2004, genta

	This software is provided 'as-is', without any express or implied
	warranty. In no event will the authors be held liable for any damages
	arising from the use of this software.

	Permission is granted to anyone to use this software for any purpose, 
	including commercial applications, and to alter it and redistribute it 
	freely, subject to the following restrictions:

		1. The origin of this software must not be misrepresented;
		   you must not claim that you wrote the original software.
		   If you use this software in a product, an acknowledgment
		   in the product documentation would be appreciated but is
		   not required.

		2. Altered source versions must be plainly marked as such, 
		   and must not be misrepresented as being the original software.

		3. This notice may not be removed or altered from any source
		   distribution.
*/

#ifndef _SAKURA_MUTIMONITOR_H_
#define _SAKURA_MUTIMONITOR_H_

#include <multimon.h>
#include "CDllHandler.h"

/*!
	@brief マルチモニタ関数動的ロード

	マルチモニタ関連メソッドの動的ロードとモニタ関連関数

	@note モニタの数はエディタ実行中に変化する可能性がある．

*/
class SAKURA_CORE_API CMultiMonitor : public CDllHandler {
	enum MonDllState { Munavailable = 0, Mavailable = 1, Munknown = 2};

	//!	何度もDLLを読み込もうとしないようにするためのフラグ
	MonDllState		m_bEnabled;

public:
	CMultiMonitor() : m_bEnabled( Munknown ){};
	virtual ~CMultiMonitor();

	bool GetMonitorWorkRect(HWND, LPRECT);

	/*!
		Initを1回だけ実行する初期化関数

		Initの実行結果はm_bEnabledに保存し，2回目以降はそれを返す．
	*/
	bool MyInit(void) {
		if( m_bEnabled != Munknown )
			return (m_bEnabled == Mavailable);
		
		if( Init() ){
			m_bEnabled = Mavailable;
			return true;
		}
		else {
			m_bEnabled = Munavailable;
			return false;
		}
	}

protected:
	//	Entry Point
	typedef HMONITOR (WINAPI* Proc_MonitorFromWindow)(HWND, DWORD);
	typedef BOOL (WINAPI* Proc_GetMonitorInfo)(HMONITOR, LPMONITORINFO);
	
	Proc_MonitorFromWindow	m_MonitorFromWindow;
	Proc_GetMonitorInfo		m_GetMonitorInfo;

	virtual int InitDll(void);
	virtual char* GetDllName(char *);

};

#endif


/*[EOF]*/