165 lines
3.6 KiB
C++
165 lines
3.6 KiB
C++
/*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "StdAfx.h"
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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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** The constructor
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**
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*/
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MeasureRegistry::MeasureRegistry(MeterWindow* meterWindow, const WCHAR* name) : Measure(meterWindow, name),
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m_RegKey(),
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m_HKey(HKEY_CURRENT_USER)
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{
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m_MaxValue = 0.0;
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}
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/*
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** The destructor
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**
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*/
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MeasureRegistry::~MeasureRegistry()
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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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** Gets the current value from the registry
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**
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*/
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void MeasureRegistry::UpdateValue()
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{
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if (m_RegKey != nullptr)
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{
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DWORD size = 4096;
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WCHAR* data = new WCHAR[size];
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DWORD type = 0;
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if (RegQueryValueEx(
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m_RegKey,
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m_RegValueName.c_str(),
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nullptr,
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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.clear();
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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 = wcstod(data, nullptr);
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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.clear();
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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.clear();
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}
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}
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else
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{
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m_Value = 0.0;
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m_StringValue.clear();
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RegOpenKeyEx(m_HKey, m_RegKeyName.c_str(), 0, KEY_READ, &m_RegKey);
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}
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delete [] data;
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}
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else
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{
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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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/*
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** Read the options specified in the ini file.
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**
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*/
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void MeasureRegistry::ReadOptions(ConfigParser& parser, const WCHAR* section)
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{
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Measure::ReadOptions(parser, section);
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const WCHAR* keyname = parser.ReadString(section, L"RegHKey", L"HKEY_CURRENT_USER").c_str();
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if (_wcsicmp(keyname, 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, 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, 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, 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, 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, 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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LogErrorF(this, L"RegHKey=%s is not valid", keyname);
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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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if (m_RegKey) RegCloseKey(m_RegKey);
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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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** 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* MeasureRegistry::GetStringValue()
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{
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return !m_StringValue.empty() ? CheckSubstitute(m_StringValue.c_str()) : nullptr;
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}
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