Question

These classes are used to customize an application's appearance and style.

QBoxLayout	Lines up child widgets horizontally or vertically
QButtonGroup	Organizes QButton widgets in a group
QCDEStyle	CDE look and feel
QColor	Colors based on RGB or HSV values
QColorGroup	Group of widget colors
QCommonStyle	Encapsulates the common Look and Feel of a GUI
QCursor	Mouse cursor with an arbitrary shape
QFont	Font used for drawing text
QGLayoutIterator	Abstract base class of internal layout iterators
QGrid	Simple geometry management of its children
QGridLayout	Lays out widgets in a grid
QGroupBox	Group box frame with a title
QHBox	Horizontal geometry management for its child widgets
QHBoxLayout	Lines up widgets horizontally
QHButtonGroup	Organizes QButton widgets in a group with one horizontal row
QHGroupBox	Organizes widgets in a group with one horizontal row
QLayout	The base class of geometry managers
QLayoutItem	Abstract item that a QLayout manipulates
QLayoutIterator	Iterators over QLayoutItem
QMotifPlusStyle	More sophisticated Motif-ish look and feel
QMotifStyle	Motif look and feel
QPalette	Color groups for each widget state
QPlatinumStyle	Mac/Platinum look and feel
QSGIStyle	SGI/Irix look and feel
QSizeGrip	Corner-grip for resizing a top-level window
QSizePolicy	Layout attribute describing horizontal and vertical resizing policy
QSpacerItem	Blank space in a layout
QStyle	The look and feel of a GUI
QStyleOption	Optional parameters for QStyle functions
QVBox	Vertical geometry management of its child widgets
QVBoxLayout	Lines up widgets vertically
QVButtonGroup	Organizes QButton widgets in a vertical column
QVGroupBox	Organizes a group of widgets in a vertical column
QWidgetItem	Layout item that represents a widget
QWindowsStyle	Microsoft Windows-like look and feel