# Kernel Classes

These classes provide access to low-level parts of the window system

Classes:

- QAccel (Handles keyboard accelerator keys)
- QApplication (Manages the application event queue)
- QClipboard (Access to the window system clipboard)
- QCursor (Mouse cursor with an arbitrary shape)
- QDragObject (The QDragObject encapsulates MIME-based drag-and-drop interaction)
- QEvent (Base class of all event classes. Event objects contain event parameters)
- QImageDrag (The QImageDrag provides a drag-and-drop object for tranferring images)
- QObject (The base class of all Qt objects that can deal with signals, slots and events)
- QPixmapCache (Application-global cache for pixmaps)
- QSignal (Can be used to send signals without parameters)
- QSocketNotifier (Support for socket callbacks)
- QTextDrag (The QTextDrag provides a drag-and-drop object for transferring plain text)