Main Window and Related Classes

QAction

Abstract user interface action that can be inserted into widgets

QActionGroup

Groups actions together

QDockWidget

Widget that can be docked inside a QMainWindow or floated as a top-level window on the desktop

QMainWindow

Main application window

QMdiArea

Area in which MDI windows are displayed

QMdiSubWindow

Subwindow class for QMdiArea

QMenu

Menu widget for use in menu bars, context menus, and other popup menus

QMenuBar

Horizontal menu bar

QSizeGrip

Resize handle for resizing top-level windows

QStatusBar

Horizontal bar suitable for presenting status information

QToolBar

Movable panel that contains a set of controls

QWidgetAction

Extends QAction by an interface for inserting custom widgets into action based containers, such as toolbars

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