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QSysInfo Class Reference
[QtCore module]

The QSysInfo class provides information about the system. More...

Types

Methods

Static Members


Detailed Description

The QSysInfo class provides information about the system.

Some constants are defined only on certain platforms. You can use the preprocessor symbols Q_WS_WIN and Q_WS_MAC to test that the application is compiled under Windows or Mac.


Type Documentation

QSysInfo.Endian

Constant Value Description
QSysInfo.BigEndian 0 Big-endian byte order (also called Network byte order)
QSysInfo.LittleEndian 1 Little-endian byte order
QSysInfo.ByteOrder <platform-dependent> Equals BigEndian or LittleEndian, depending on the platform's byte order.

QSysInfo.MacVersion

This enum provides symbolic names for the various versions of the OS X operating system. On OS X, the QSysInfo.MacintoshVersion variable gives the version of the system on which the application is run.

Constant Value Description
QSysInfo.MV_9 0x0001 Mac OS 9 (unsupported)
QSysInfo.MV_10_0 0x0002 Mac OS X 10.0 (unsupported)
QSysInfo.MV_10_1 0x0003 Mac OS X 10.1 (unsupported)
QSysInfo.MV_10_2 0x0004 Mac OS X 10.2 (unsupported)
QSysInfo.MV_10_3 0x0005 Mac OS X 10.3
QSysInfo.MV_10_4 0x0006 Mac OS X 10.4
QSysInfo.MV_10_5 0x0007 Mac OS X 10.5
QSysInfo.MV_10_6 0x0008 Mac OS X 10.6
QSysInfo.MV_10_7 0x0009 OS X 10.7
QSysInfo.MV_10_8 0x000A OS X 10.8
QSysInfo.MV_10_9 0x000B OS X 10.9
QSysInfo.MV_10_10 0x000C OS X 10.10
QSysInfo.MV_Unknown 0x0000 An unknown and currently unsupported platform
QSysInfo.MV_CHEETAH MV_10_0 Apple codename for MV_10_0
QSysInfo.MV_PUMA MV_10_1 Apple codename for MV_10_1
QSysInfo.MV_JAGUAR MV_10_2 Apple codename for MV_10_2
QSysInfo.MV_PANTHER MV_10_3 Apple codename for MV_10_3
QSysInfo.MV_TIGER MV_10_4 Apple codename for MV_10_4
QSysInfo.MV_LEOPARD MV_10_5 Apple codename for MV_10_5
QSysInfo.MV_SNOWLEOPARD MV_10_6 Apple codename for MV_10_6
QSysInfo.MV_LION MV_10_7 Apple codename for MV_10_7
QSysInfo.MV_MOUNTAINLION MV_10_8 Apple codename for MV_10_8
QSysInfo.MV_MAVERICKS MV_10_9 Apple codename for MV_10_9
QSysInfo.MV_YOSEMITE MV_10_10 Apple codename for MV_10_10

See also WinVersion and SymbianVersion.

QSysInfo.Sizes

This enum provides platform-specific information about the sizes of data structures used by the underlying architecture.

Constant Value Description
QSysInfo.WordSize ( sizeof( void * ) <<3 ) The size in bits of a pointer for the platform on which the application is compiled (32 or 64).

QSysInfo.WinVersion

This enum provides symbolic names for the various versions of the Windows operating system. On Windows, the QSysInfo.WindowsVersion variable gives the version of the system on which the application is run.

MS-DOS-based versions:

Constant Value Description
QSysInfo.WV_32s 0x0001 Windows 3.1 with Win 32s
QSysInfo.WV_95 0x0002 Windows 95
QSysInfo.WV_98 0x0003 Windows 98
QSysInfo.WV_Me 0x0004 Windows Me

NT-based versions (note that each operating system version is only represented once rather than each Windows edition):

Constant Value Description
QSysInfo.WV_NT 0x0010 Windows NT (operating system version 4.0)
QSysInfo.WV_2000 0x0020 Windows 2000 (operating system version 5.0)
QSysInfo.WV_XP 0x0030 Windows XP (operating system version 5.1)
QSysInfo.WV_2003 0x0040 Windows Server 2003, Windows Server 2003 R2, Windows Home Server, Windows XP Professional x64 Edition (operating system version 5.2)
QSysInfo.WV_VISTA 0x0080 Windows Vista, Windows Server 2008 (operating system version 6.0)
QSysInfo.WV_WINDOWS7 0x0090 Windows 7, Windows Server 2008 R2 (operating system version 6.1)
QSysInfo.WV_WINDOWS8 0x00a0 Windows 8 (operating system version 6.2)
QSysInfo.WV_WINDOWS8_1 0x00b0 Windows 8.1 (operating system version 6.3), introduced in Qt 4.8.6
QSysInfo.WV_WINDOWS10 0x00c0 Windows 10 (operating system version 10.0), introduced in Qt 4.8.7

Alternatively, you may use the following macros which correspond directly to the Windows operating system version number:

Constant Value Description
QSysInfo.WV_4_0 WV_NT Operating system version 4.0, corresponds to Windows NT
QSysInfo.WV_5_0 WV_2000 Operating system version 5.0, corresponds to Windows 2000
QSysInfo.WV_5_1 WV_XP Operating system version 5.1, corresponds to Windows XP
QSysInfo.WV_5_2 WV_2003 Operating system version 5.2, corresponds to Windows Server 2003, Windows Server 2003 R2, Windows Home Server, and Windows XP Professional x64 Edition
QSysInfo.WV_6_0 WV_VISTA Operating system version 6.0, corresponds to Windows Vista and Windows Server 2008
QSysInfo.WV_6_1 WV_WINDOWS7 Operating system version 6.1, corresponds to Windows 7 and Windows Server 2008 R2
QSysInfo.WV_6_2 WV_WINDOWS8 Operating system version 6.2, corresponds to Windows 8
QSysInfo.WV_6_3 WV_WINDOWS8_1 Operating system version 6.3, corresponds to Windows 8.1, introduced in Qt 4.8.6
QSysInfo.WV_10_0 WV_WINDOWS10 Operating system version 10.0, corresponds to Windows 10, introduced in Qt 4.8.7

CE-based versions:

Constant Value Description
QSysInfo.WV_CE 0x0100 Windows CE
QSysInfo.WV_CENET 0x0200 Windows CE .NET
QSysInfo.WV_CE_5 0x0300 Windows CE 5.x
QSysInfo.WV_CE_6 0x0400 Windows CE 6.x

The following masks can be used for testing whether a Windows version is MS-DOS-based, NT-based, or CE-based:

Constant Value Description
QSysInfo.WV_DOS_based 0x000f MS-DOS-based version of Windows
QSysInfo.WV_NT_based 0x00f0 NT-based version of Windows
QSysInfo.WV_CE_based 0x0f00 CE-based version of Windows

See also MacVersion and SymbianVersion.


Method Documentation

QSysInfo.__init__ (self)

QSysInfo.__init__ (self, QSysInfo)


Member Documentation

MacVersion MacintoshVersion

This member should be treated as a constant.

This variable holds the version of the Macintosh operating system on which the application is run (Mac only).

WinVersion WindowsVersion

This member should be treated as a constant.

This variable holds the version of the Windows operating system on which the application is run (Windows only).


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