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The QSysInfo class provides information about the system. More...
#include <QSysInfo>
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.
See also QLibraryInfo.
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. |
This enum provides symbolic names for the various versions of the Macintosh operating system. On Mac, 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 |
QSysInfo::MV_10_1 | 0x0003 | Mac OS X 10.1 |
QSysInfo::MV_10_2 | 0x0004 | Mac OS X 10.2 |
QSysInfo::MV_10_3 | 0x0005 | Mac OS X 10.3 |
QSysInfo::MV_10_4 | 0x0006 | Mac OS X 10.4 |
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 |
See also 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 wth Win 32s |
QSysInfo::WV_95 | 0x0002 | Windows 95 |
QSysInfo::WV_98 | 0x0003 | Windows 98 |
QSysInfo::WV_Me | 0x0004 | Windows Me |
NT-based versions:
Constant | Value | Description |
---|---|---|
QSysInfo::WV_NT | 0x0010 | Windows NT |
QSysInfo::WV_2000 | 0x0020 | Windows 2000 |
QSysInfo::WV_XP | 0x0030 | Windows XP |
QSysInfo::WV_2003 | 0x0040 | Windows XP 2003 |
CE-based versions:
Constant | Value | Description |
---|---|---|
QSysInfo::WV_CE | 0x0100 | Windows CE |
QSysInfo::WV_CENET | 0x0200 | Windows CE .NET |
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.
This variable holds the version of the Macintosh operating system on which the application is run (Mac only).
This variable holds the version of the Windows operating system on which the application is run (Windows only).
This variable holds the size in bits of a pointer for the platform on which the application is compiled (32 or 64).
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