The QLCDNumber widget displays a number with LCD-like digits.| 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 QLabel widget provides a text or image display.| 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 header file includes Qt fundamental type declarations.| doc.qt.io
The QString class provides a Unicode character string.| doc.qt.io