rainmeter-studio/Installer/Application.cpp

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/*
Copyright (C) 2013 Birunthan Mohanathas
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "StdAfx.h"
#include "Install.h"
#include "Resource.h"
#include "Application.h"
bool IsSupportedPlatform();
bool IsSupportedCPU();
int APIENTRY wWinMain(HINSTANCE, HINSTANCE, LPWSTR, int)
{
int argCount = 0;
LPWSTR* args = CommandLineToArgvW(GetCommandLine(), &argCount);
if (args)
{
for (int i = 1; i < argCount; ++i)
{
WCHAR* name = &args[i][(args[i][0] == L'/') ? 1 : 0];
WCHAR* value = wcschr(name, L':');
if (value)
{
*value = L'\0';
++value;
}
if (wcscmp(name, L"Silent") == 0)
{
}
}
if (argCount >= 2 && wcscmp(args[1], L"/ElevatedInstall") == 0)
{
}
LocalFree(args);
}
InitCommonControls();
if (!IsSupportedPlatform())
{
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MessageBox(nullptr, L"Windows XP SP2 or higher is required to install Rainmeter.", nullptr, MB_OK | MB_ICONERROR);
return (int)InstallStatus::UnsupportedPlatform;
}
if (!IsSupportedCPU())
{
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MessageBox(nullptr, L"A Pentium III or later processor is required to install Rainmeter.", nullptr, MB_OK | MB_ICONERROR);
return (int)InstallStatus::UnsupportedPlatform;
}
return 0;
}
bool IsSupportedPlatform()
{
OSVERSIONINFOEX osvi = { sizeof(OSVERSIONINFOEX) };
GetVersionEx((OSVERSIONINFO*)&osvi);
if (osvi.wProductType != VER_NT_WORKSTATION ||
(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0))
{
// 2000 or lower.
return false;
}
if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1 &&
osvi.wServicePackMajor <= (GetSystemMetrics(SM_SERVERR2) == 0 ? 0 : 1))
{
// XP SP1 or lower, 2003 SP0.
return FALSE;
}
return TRUE;
}
bool IsSupportedCPU()
{
return IsProcessorFeaturePresent(PF_XMMI_INSTRUCTIONS_AVAILABLE) != 0;
}