| QWSServer::KeyboardFilter | The KeyboardFilter class is a base class for global keyboard event filters in Qtopia Core. |
| QCopChannel | The QCopChannel class provides communication capabilities between clients in Qtopia Core. |
| QCustomRasterPaintDevice | The QCustomRasterPaintDevice class is provided to activate hardware accelerated paint engines in Qtopia Core. |
| QDecoration | The QDecoration class is a base class for window decorations in Qtopia Core |
| QDecorationFactory | The QDecorationFactory class creates window decorations in Qtopia Core. |
| QDecorationPlugin | The QDecorationPlugin class is an abstract base class for window decoration plugins in Qtopia Core. |
| QDirectPainter | The QDirectPainter class provides direct access to the underlying hardware in Qtopia Core. |
| QKbdDriverFactory | The QKbdDriverFactory class creates keyboard drivers in Qtopia Core. |
| QKbdDriverPlugin | The QKbdDriverPlugin class is an abstract base class for keyboard driver plugins in Qtopia Core. |
| QMouseDriverFactory | The QMouseDriverFactory class creates mouse drivers in Qtopia Core. |
| QMouseDriverPlugin | The QMouseDriverPlugin class is an abstract base class for mouse driver plugins in Qtopia Core. |
| QRasterPaintEngine | The QRasterPaintEngine class enables hardware acceleration of painting operations in Qtopia Core. |
| QScreen | The QScreen class is a base class for screen drivers in Qtopia Core. |
| QScreenCursor | The QScreenCursor class is a base class for screen cursors in Qtopia Core. |
| QScreenDriverFactory | The QScreenDriverFactory class creates screen drivers in Qtopia Core. |
| QScreenDriverPlugin | The QScreenDriverPlugin class is an abstract base class for screen driver plugins in Qtopia Core. |
| QVNCScreen | The QVNCScreen class implements a screen driver for VNC servers. |
| QWSCalibratedMouseHandler | The QWSCalibratedMouseHandler class provides mouse calibration and noise reduction in Qtopia Core. |
| QWSClient | The QWSClient class encapsulates a client process in Qtopia Core. |
| QWSEmbedWidget | The QWSEmbedWidget class enabels embedded top-level widgets in Qtopia Core. |
| QWSEvent | The QWSEvent class encapsulates an event in Qtopia Core. |
| QWSInputMethod | The QWSInputMethod class provides international input methods in Qtopia Core. |
| QWSKeyboardHandler | The QWSKeyboardHandler class is a base class for keyboard drivers in Qtopia Core. |
| QWSMouseHandler | The QWSMouseHandler class is a base class for mouse drivers in Qtopia Core. |
| QWSPointerCalibrationData | The QWSPointerCalibrationData class is a container for mouse calibration data in Qtopia Core. |
| QWSScreenSaver | The QWSScreenSaver class is a base class for screensavers in Qtopia Core. |
| QWSServer | The QWSServer class encapsulates a server process in Qtopia Core. |
| QWSWindow | The QWSWindow class encapsulates a top-level window in Qtopia Core. |
| QWSWindowSurface | The QWSWindowSurface class provides the drawing area for top-level windows in Qtopia Core. |