rainmeter-studio/Library/MeasureMemory.cpp
Kimmo Pekkola 30edc895f2
2009-02-10 18:37:48 +00:00

118 lines
3.0 KiB
C++

/*
Copyright (C) 2001 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.
*/
/*
$Header: /home/cvsroot/Rainmeter/Library/MeasureMemory.cpp,v 1.1.1.1 2005/07/10 18:51:06 rainy Exp $
$Log: MeasureMemory.cpp,v $
Revision 1.1.1.1 2005/07/10 18:51:06 rainy
no message
Revision 1.8 2004/06/05 10:55:54 rainy
Too much changes to be listed in here...
Revision 1.7 2002/04/26 18:24:16 rainy
Modified the Update method to support disabled measures.
Revision 1.6 2002/03/31 09:58:54 rainy
Added some comments
Revision 1.5 2001/09/26 16:27:15 rainy
Changed the interfaces a bit.
Revision 1.4 2001/09/01 13:00:10 rainy
Slight changes in the interface. The value is now measured only once if possible.
Revision 1.3 2001/08/19 09:15:21 rainy
Added support for value invert.
Revision 1.2 2001/08/12 15:45:45 Rainy
Adjusted Update()'s interface.
Revision 1.1.1.1 2001/08/11 10:58:19 Rainy
Added to CVS.
*/
#pragma warning(disable: 4996)
#include "MeasureMemory.h"
/*
** CMeasureMemory
**
** The constructor
**
*/
CMeasureMemory::CMeasureMemory(CMeterWindow* meterWindow) : CMeasure(meterWindow)
{
m_Total = false;
}
/*
** ~CMeasureMemory
**
** The destructor
**
*/
CMeasureMemory::~CMeasureMemory()
{
}
/*
** Update
**
** Updates the current total memory value.
**
*/
bool CMeasureMemory::Update()
{
if (!CMeasure::PreUpdate()) return false;
MEMORYSTATUSEX stat;
stat.dwLength = sizeof(MEMORYSTATUSEX);
GlobalMemoryStatusEx(&stat); // Doesn't measure values > 4GB. Should use GlobalMemoryStatusEx instead, but that requires Win2k.
if (m_Total)
{
m_Value = (double)(__int64)(stat.ullTotalPageFile + stat.ullTotalPhys);
}
else
{
m_Value = (double)(__int64)(stat.ullTotalPageFile + stat.ullTotalPhys - stat.ullAvailPageFile - stat.ullAvailPhys);
}
return PostUpdate();
}
/*
** ReadConfig
**
** Reads the measure specific configs.
**
*/
void CMeasureMemory::ReadConfig(CConfigParser& parser, const WCHAR* section)
{
CMeasure::ReadConfig(parser, section);
m_Total = (1 == parser.ReadInt(section, L"Total", 0));
MEMORYSTATUSEX stat;
stat.dwLength = sizeof(MEMORYSTATUSEX);
GlobalMemoryStatusEx(&stat);
m_MaxValue = (double)(__int64)(stat.ullTotalPageFile + stat.ullTotalPhys);
}