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This commit is contained in:
Kimmo Pekkola
201
Library/MeasureRegistry.cpp
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201
Library/MeasureRegistry.cpp
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/*
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Copyright (C) 2001 Kimmo Pekkola
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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$Header: /home/cvsroot/Rainmeter/Library/MeasureRegistry.cpp,v 1.1.1.1 2005/07/10 18:51:06 rainy Exp $
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$Log: MeasureRegistry.cpp,v $
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Revision 1.1.1.1 2005/07/10 18:51:06 rainy
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no message
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Revision 1.6 2004/06/05 10:55:54 rainy
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Too much changes to be listed in here...
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Revision 1.5 2002/05/04 08:13:06 rainy
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Added support for multi_sz
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Revision 1.4 2002/04/27 10:28:57 rainy
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Added possibility to use other HKEYs also.
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Revision 1.3 2002/04/26 18:24:15 rainy
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Modified the Update method to support disabled measures.
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Revision 1.2 2002/03/31 09:58:54 rainy
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Added some comments
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Revision 1.1 2001/10/28 09:07:18 rainy
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Inital version
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*/
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#pragma warning(disable: 4996)
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#include "MeasureRegistry.h"
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#include "Rainmeter.h"
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#include "Error.h"
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/*
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** CMeasureRegistry
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**
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** The constructor
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**
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*/
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CMeasureRegistry::CMeasureRegistry(CMeterWindow* meterWindow) : CMeasure(meterWindow)
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{
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m_RegKey = NULL;
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m_HKey = NULL;
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m_MaxValue = 0.0;
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}
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/*
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** ~CMeasureRegistry
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**
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** The destructor
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**
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*/
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CMeasureRegistry::~CMeasureRegistry()
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{
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if(m_RegKey) RegCloseKey(m_RegKey);
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}
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/*
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** Update
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**
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** Gets the current value from the registry
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**
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*/
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bool CMeasureRegistry::Update()
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{
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if (!CMeasure::PreUpdate()) return false;
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if(m_RegKey != NULL)
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{
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DWORD size = 4096;
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WCHAR data[4096];
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DWORD type = 0;
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if(RegQueryValueEx(m_RegKey,
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m_RegValueName.c_str(),
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NULL,
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(LPDWORD)&type,
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(LPBYTE)&data,
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(LPDWORD)&size) == ERROR_SUCCESS)
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{
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switch(type)
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{
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case REG_DWORD:
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m_Value = *((LPDWORD)&data);
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m_StringValue.erase();
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break;
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case REG_SZ:
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case REG_EXPAND_SZ:
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case REG_MULTI_SZ:
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m_Value = 0.0;
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m_StringValue = data;
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break;
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case REG_QWORD:
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m_Value = (double)((LARGE_INTEGER*)&data)->QuadPart;
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m_StringValue.erase();
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break;
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default: // Other types are not supported
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m_Value = 0.0;
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m_StringValue.erase();
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}
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}
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}
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return PostUpdate();
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}
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/*
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** ReadConfig
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**
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** Reads the measure specific configs.
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**
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*/
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void CMeasureRegistry::ReadConfig(CConfigParser& parser, const WCHAR* section)
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{
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CMeasure::ReadConfig(parser, section);
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std::wstring keyname;
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keyname = parser.ReadString(section, L"RegHKey", L"HKEY_CURRENT_USER");
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if(_wcsicmp(keyname.c_str(), L"HKEY_CLASSES_ROOT") == 0)
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{
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m_HKey = HKEY_CLASSES_ROOT;
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}
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else if(_wcsicmp(keyname.c_str(), L"HKEY_CURRENT_CONFIG") == 0)
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{
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m_HKey = HKEY_CURRENT_CONFIG;
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}
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else if(_wcsicmp(keyname.c_str(), L"HKEY_CURRENT_USER") == 0)
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{
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m_HKey = HKEY_CURRENT_USER;
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}
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else if(_wcsicmp(keyname.c_str(), L"HKEY_LOCAL_MACHINE") == 0)
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{
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m_HKey = HKEY_LOCAL_MACHINE;
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}
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else if(_wcsicmp(keyname.c_str(), L"HKEY_CLASSES_ROOT") == 0)
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{
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m_HKey = HKEY_CLASSES_ROOT;
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}
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else if(_wcsicmp(keyname.c_str(), L"HKEY_PERFORMANCE_DATA") == 0)
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{
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m_HKey = HKEY_PERFORMANCE_DATA;
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}
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else if(_wcsicmp(keyname.c_str(), L"HKEY_DYN_DATA") == 0)
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{
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m_HKey = HKEY_DYN_DATA;
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}
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else
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{
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throw CError(std::wstring(L"No such HKEY: ") + keyname, __LINE__, __FILE__);
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}
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m_RegKeyName = parser.ReadString(section, L"RegKey", L"");
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m_RegValueName = parser.ReadString(section, L"RegValue", L"");
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if (m_MaxValue == 0.0)
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{
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m_MaxValue = 1.0;
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m_LogMaxValue = true;
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}
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// Try to open the key
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RegOpenKeyEx(m_HKey, m_RegKeyName.c_str(), 0, KEY_READ, &m_RegKey);
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}
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/*
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** GetStringValue
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**
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** If the measured registry value is a string display it. Otherwise convert the
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** value to string as normal.
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**
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*/
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const WCHAR* CMeasureRegistry::GetStringValue(bool autoScale, double scale, int decimals, bool percentual)
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{
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if (m_StringValue.empty())
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{
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return CMeasure::GetStringValue(autoScale, scale, decimals, percentual);
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}
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return CheckSubstitute(m_StringValue.c_str());
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}
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