rainmeter-studio/Library/MeasureCalc.h

/*
  Copyright (C) 2004 Kimmo Pekkola

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 2
  of the License, or (at your option) any later version.

  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 for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#ifndef __MEASURECALC_H__
#define __MEASURECALC_H__

#include "Measure.h"

class CMeasureCalc : public CMeasure
{
public:
	CMeasureCalc(CMeterWindow* meterWindow, const WCHAR* name);
	virtual ~CMeasureCalc();

	virtual bool Update();

	static void SetCurrentMeterWindow(CMeterWindow* meterWindow) { c_MeterWindow = meterWindow; }

protected:
	virtual void ReadConfig(CConfigParser& parser, const WCHAR* section);

private:
	void FormulaReplace();
	bool IsDelimiter(WCHAR ch);

	static int MatchMeasure(const char* str, int len, double* value);

	std::wstring m_Formula;
	std::wstring m_FormulaHolder;

	int m_LowBound;
	int m_HighBound;
	bool m_UpdateRandom;

	static CMeterWindow* c_MeterWindow;
	static bool c_RandSeeded;
};

#endif