src/Utils/SysInfo.h

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2008 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #pragma once
  20
  21
  22 /**
  23  * \ingroup Utils
  24  * This singleton class handles system information
  25  */
  26 class SysInfo
  27 {
  28 private:
  29     SysInfo(void);
  30     ~SysInfo(void);
  31 public:
  32     static const SysInfo& Instance();
  33
  34     DWORD           GetFullVersion() const {return MAKEWORD(inf.dwMinorVersion, inf.dwMajorVersion);}
  35     bool            IsXP() const {return (GetFullVersion() < 0x0600);} // cover Win5.1 and 5.2 alike
  36     bool            IsVista() const {return (GetFullVersion() == 0x0600);}
  37     bool            IsVistaOrLater() const {return (GetFullVersion() >= 0x0600);}
  38     bool            IsWin7() const {return (GetFullVersion() == 0x0601);}
  39     bool            IsWin7OrLater() const {return (GetFullVersion() >= 0x0601);}
  40 private:
  41     OSVERSIONINFOEX         inf;
  42 };