The QEvent class is base class of all event classes. Event objects contain event parameters. Inherited by QChildEvent , QCloseEvent , QCustomEvent , QDragLeaveEvent , QDragResponseEvent, QDropEvent , QFocusEvent , QHideEvent , QKeyEvent , QMouseEvent , QMoveEvent , QPaintEvent , QResizeEvent , QShowEvent , QTimerEvent and QWheelEvent . List of all member functions. The QEvent class is base class of all event classes.
Event objects contain event parameters.
The function can be reimplemented in subclasses to customize event handling and add additional event types. The basic QEvent only contains an event type parameter. Subclasses of QEvent contain additional parameters that describe the particular event. This enum type defines the valid event types in Qt. ApplicationFontChange - the default application font changed.