These classes providing various global services to your application such as event handling, access to system settings, internationalization, etc.
QClipboard | Access to the window system clipboard |
QDesktopWidget | Access to screen information on multi-head systems |
QEvent | The base class of all event classes. Event objects contain event parameters |
QFontDatabase | Information about the fonts available in the underlying window system |
QMutex | Access serialization between threads |
QMutexLocker | Convenience class that simplifies locking and unlocking mutexes |
QPixmapCache | Application-wide cache for pixmaps |
QReadLocker | Convenience class that simplifies locking and unlocking read-write locks for read access |
QReadWriteLock | Read-write locking |
QSemaphore | General counting semaphore |
QSessionManager | Access to the session manager |
QThread | Platform-independent threads |
QThreadStorage | Per-thread data storage |
QTranslator | Internationalization support for text output |
QWaitCondition | Condition variable for synchronizing threads |
QWriteLocker | Convenience class that simplifies locking and unlocking read-write locks for write access |