This virtual function is reimplemented by subclasses to draw real buttons. Reimplemented in QRadioButton, QCheckBox, QToolButton and QPushButton. This virtual function is reimplemented by subclasses to draw real buttons. Reimplemented in QToolButton, QCheckBox, QRadioButton and QPushButton. Reimplemented from QWidget.
Handles focus in events for the button.
Reimplemented from QWidget. Reimplemented from QWidget. Handles focus out events for the button. Reimplemented from QWidget. This virtual function is reimplemented by subclasses.