The QScrollArea class provides a scrolling view onto another widget.| doc.qt.io
Information about the coordinate system used by the paint system.| doc.qt.io
The QLCDNumber widget displays a number with LCD-like digits.| doc.qt.io
The QStyleOption class stores the parameters used by QStyle functions.| doc.qt.io
The QPalette class contains color groups for each widget state.| doc.qt.io
The QFrame class is the base class of widgets that can have a frame.| doc.qt.io
The QAbstractItemView class provides the basic functionality for item view classes.| doc.qt.io