The QStyleOption class stores the parameters used by QStyle functions.| doc.qt.io
The QMouseEvent class contains parameters that describe a mouse event.| doc.qt.io
The QRadioButton widget provides a radio button with a text label.| doc.qt.io
The QCheckBox widget provides a checkbox with a text label.| doc.qt.io
The QPoint class defines a point in the plane using integer precision.| doc.qt.io
The QPushButton widget provides a command button.| doc.qt.io
The QAbstractButton class is the abstract base class of button widgets, providing functionality common to buttons.| doc.qt.io
The QSize class defines the size of a two-dimensional object using integer point precision.| doc.qt.io
The QPaintEvent class contains event parameters for paint events.| doc.qt.io
The QWidget class is the base class of all user interface objects.| doc.qt.io
The QEvent class is the base class of all event classes. Event objects contain event parameters.| doc.qt.io
The Qt namespace contains miscellaneous identifiers used throughout the Qt library.| doc.qt.io
The QString class provides a Unicode character string.| doc.qt.io