Question

These classes are used to organize and group GUI primitives into more complex applications or dialogs.

QButtonGroup	Organizes QButton widgets in a group
QGroupBox	Group box frame with a title
QHBox	Horizontal geometry management for its child widgets
QHButtonGroup	Organizes QButton widgets in a group with one horizontal row
QHGroupBox	Organizes widgets in a group with one horizontal row
QSplitter	Implements a splitter widget
QTabWidget	Stack of tabbed widgets
QVBox	Vertical geometry management of its child widgets
QVButtonGroup	Organizes QButton widgets in a vertical column
QVGroupBox	Organizes a group of widgets in a vertical column
QWidgetStack	Stack of widgets of which only the top widget is user-visible
QWizard	Framework for wizard dialogs
QWorkspace	Workspace window that can contain decorated windows, e.g. for MDI