Qt Widgets C++ Classes

• QAbstractButton: The QAbstractButton class is the abstract base class of button widgets, providing functionality common to buttons.

• QAbstractGraphicsShapeItem: The QAbstractGraphicsShapeItem class provides a common base for all path items.

• QAbstractItemDelegate: The QAbstractItemDelegate class is used to display and edit data items from a model.

• QAbstractItemView: The QAbstractItemView class provides the basic functionality for item view classes.

• QAbstractScrollArea: The QAbstractScrollArea widget provides a scrolling area with on-demand scroll bars.

• QAbstractSlider: The QAbstractSlider class provides an integer value within a range.

• QAbstractSpinBox: The QAbstractSpinBox class provides a spinbox and a line edit to display values.

• QAccessibleWidget: The QAccessibleWidget class implements the QAccessibleInterface for QWidgets.

• QApplication: The QApplication class manages the GUI application's control flow and main settings.

• QBoxLayout: The QBoxLayout class lines up child widgets horizontally or vertically.

• QButtonGroup: The QButtonGroup class provides a container to organize groups of button widgets.

• QCalendarWidget: The QCalendarWidget class provides a monthly based calendar widget allowing the user to select a date.

• QCheckBox: The QCheckBox widget provides a checkbox with a text label.

• QColorDialog: The QColorDialog class provides a dialog widget for specifying colors.

• QColormap: The QColormap class maps device independent QColors to device dependent pixel values.

• QColumnView: The QColumnView class provides a model/view implementation of a column view.

• QComboBox: The QComboBox widget combines a button with a dropdown list.

• QCommandLinkButton: The QCommandLinkButton widget provides a Vista style command link button.

• QCommonStyle: The QCommonStyle class encapsulates the common Look and Feel of a GUI.

• QCompleter: The QCompleter class provides completions based on an item model.

• QDataWidgetMapper: The QDataWidgetMapper class provides mapping between a section of a data model to widgets.

• QDateEdit: The QDateEdit class provides a widget for editing dates based on the QDateTimeEdit widget.

• QDateTimeEdit: The QDateTimeEdit class provides a widget for editing dates and times.

• QDial: The QDial class provides a rounded range control (like a speedometer or potentiometer).

• QDialog: The QDialog class is the base class of dialog windows.

• QDialogButtonBox: The QDialogButtonBox class is a widget that presents buttons in a layout that is appropriate to the current widget style.

• QDockWidget: The QDockWidget class provides a widget that can be docked inside a QMainWindow or floated as a top-level window on the desktop.

• QDoubleSpinBox: The QDoubleSpinBox class provides a spin box widget that takes doubles.

• QErrorMessage: The QErrorMessage class provides an error message display dialog.

• QFileDialog: The QFileDialog class provides a dialog that allows users to select files or directories.

• QFileIconProvider: The QFileIconProvider class provides file icons for the QFileSystemModel class.

• QFocusFrame: The QFocusFrame widget provides a focus frame which can be outside of a widget's normal paintable area.

• QFontComboBox: The QFontComboBox widget is a combobox that lets the user select a font family.

• QFontDialog: The QFontDialog class provides a dialog widget for selecting a font.

• QFormLayout: The QFormLayout class manages forms of input widgets and their associated labels.

• QFormLayout::TakeRowResult: Contains the result of a QFormLayout::takeRow() call.

• QFrame: The QFrame class is the base class of widgets that can have a frame.

• QGesture: The QGesture class represents a gesture, containing properties that describe the corresponding user input.

• QGestureEvent: The QGestureEvent class provides the description of triggered gestures.

• QGestureRecognizer: The QGestureRecognizer class provides the infrastructure for gesture recognition.

• QGraphicsAnchor: The QGraphicsAnchor class represents an anchor between two items in a QGraphicsAnchorLayout.

• QGraphicsAnchorLayout: The QGraphicsAnchorLayout class provides a layout where one can anchor widgets together in Graphics View.

• QGraphicsBlurEffect: The QGraphicsBlurEffect class provides a blur effect.

• QGraphicsColorizeEffect: The QGraphicsColorizeEffect class provides a colorize effect.

• QGraphicsDropShadowEffect: The QGraphicsDropShadowEffect class provides a drop shadow effect.

• QGraphicsEffect: The QGraphicsEffect class is the base class for all graphics effects.

• QGraphicsEllipseItem: The QGraphicsEllipseItem class provides an ellipse item that you can add to a QGraphicsScene.

• QGraphicsGridLayout: The QGraphicsGridLayout class provides a grid layout for managing widgets in Graphics View.

• QGraphicsItem: The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene.

• QGraphicsItemGroup: The QGraphicsItemGroup class provides a container that treats a group of items as a single item.

• QGraphicsLayout: The QGraphicsLayout class provides the base class for all layouts in Graphics View.

• QGraphicsLayoutItem: The QGraphicsLayoutItem class can be inherited to allow your custom items to be managed by layouts.

• QGraphicsLineItem: The QGraphicsLineItem class provides a line item that you can add to a QGraphicsScene.

• QGraphicsLinearLayout: The QGraphicsLinearLayout class provides a horizontal or vertical layout for managing widgets in Graphics View.

• QGraphicsObject: The QGraphicsObject class provides a base class for all graphics items that require signals, slots and properties.

• QGraphicsOpacityEffect: The QGraphicsOpacityEffect class provides an opacity effect.

• QGraphicsPathItem: The QGraphicsPathItem class provides a path item that you can add to a QGraphicsScene.

• QGraphicsPixmapItem: The QGraphicsPixmapItem class provides a pixmap item that you can add to a QGraphicsScene.

• QGraphicsPolygonItem: The QGraphicsPolygonItem class provides a polygon item that you can add to a QGraphicsScene.

• QGraphicsProxyWidget: The QGraphicsProxyWidget class provides a proxy layer for embedding a QWidget in a QGraphicsScene.

• QGraphicsRectItem: The QGraphicsRectItem class provides a rectangle item that you can add to a QGraphicsScene.

• QGraphicsRotation: The QGraphicsRotation class provides a rotation transformation around a given axis.

• QGraphicsScale: The QGraphicsScale class provides a scale transformation.

• QGraphicsScene: The QGraphicsScene class provides a surface for managing a large number of 2D graphical items.

• QGraphicsSceneContextMenuEvent: The QGraphicsSceneContextMenuEvent class provides context menu events in the graphics view framework.

• QGraphicsSceneDragDropEvent: The QGraphicsSceneDragDropEvent class provides events for drag and drop in the graphics view framework.

• QGraphicsSceneEvent: The QGraphicsSceneEvent class provides a base class for all graphics view related events.

• QGraphicsSceneHelpEvent: The QGraphicsSceneHelpEvent class provides events when a tooltip is requested.

• QGraphicsSceneHoverEvent: The QGraphicsSceneHoverEvent class provides hover events in the graphics view framework.

• QGraphicsSceneMouseEvent: The QGraphicsSceneMouseEvent class provides mouse events in the graphics view framework.

• QGraphicsSceneMoveEvent: The QGraphicsSceneMoveEvent class provides events for widget moving in the graphics view framework.

• QGraphicsSceneResizeEvent: The QGraphicsSceneResizeEvent class provides events for widget resizing in the graphics view framework.

• QGraphicsSceneWheelEvent: The QGraphicsSceneWheelEvent class provides wheel events in the graphics view framework.

• QGraphicsSimpleTextItem: The QGraphicsSimpleTextItem class provides a simple text path item that you can add to a QGraphicsScene.

• QGraphicsTextItem: The QGraphicsTextItem class provides a text item that you can add to a QGraphicsScene to display formatted text.

• QGraphicsTransform: The QGraphicsTransform class is an abstract base class for building advanced transformations on QGraphicsItems.

• QGraphicsView: The QGraphicsView class provides a widget for displaying the contents of a QGraphicsScene.

• QGraphicsWidget: The QGraphicsWidget class is the base class for all widget items in a QGraphicsScene.

• QGridLayout: The QGridLayout class lays out widgets in a grid.

• QGroupBox: The QGroupBox widget provides a group box frame with a title.

• QHBoxLayout: The QHBoxLayout class lines up widgets horizontally.

• QHeaderView: The QHeaderView class provides a header row or header column for item views.

• QInputDialog: The QInputDialog class provides a simple convenience dialog to get a single value from the user.

• QItemDelegate: The QItemDelegate class provides display and editing facilities for data items from a model.

• QItemEditorCreator: The QItemEditorCreator class makes it possible to create item editor creator bases without subclassing QItemEditorCreatorBase.

• QItemEditorCreatorBase: The QItemEditorCreatorBase class provides an abstract base class that must be subclassed when implementing new item editor creators.

• QItemEditorFactory: The QItemEditorFactory class provides widgets for editing item data in views and delegates.

• QKeySequenceEdit: The QKeySequenceEdit widget allows to input a QKeySequence.

• QLCDNumber: The QLCDNumber widget displays a number with LCD-like digits.

• QLabel: The QLabel widget provides a text or image display.

• QLayout: The QLayout class is the base class of geometry managers.

• QLayoutItem: The QLayoutItem class provides an abstract item that a QLayout manipulates.

• QLineEdit: The QLineEdit widget is a one-line text editor.

• QListView: The QListView class provides a list or icon view onto a model.

• QListWidget: The QListWidget class provides an item-based list widget.

• QListWidgetItem: The QListWidgetItem class provides an item for use with the QListWidget item view class.

• QMainWindow: The QMainWindow class provides a main application window.

• QMdiArea: The QMdiArea widget provides an area in which MDI windows are displayed.

• QMdiSubWindow: The QMdiSubWindow class provides a subwindow class for QMdiArea.

• QMenu: The QMenu class provides a menu widget for use in menu bars, context menus, and other popup menus.

• QMenuBar: The QMenuBar class provides a horizontal menu bar.

• QMessageBox: The QMessageBox class provides a modal dialog for informing the user or for asking the user a question and receiving an answer.

• QPanGesture: The QPanGesture class describes a panning gesture made by the user.

• QPinchGesture: The QPinchGesture class describes a pinch gesture made by the user.

• QPlainTextDocumentLayout: The QPlainTextDocumentLayout class implements a plain text layout for QTextDocument.

• QPlainTextEdit: The QPlainTextEdit class provides a widget that is used to edit and display plain text.

• QProgressBar: The QProgressBar widget provides a horizontal or vertical progress bar.

• QProgressDialog: The QProgressDialog class provides feedback on the progress of a slow operation.

• QProxyStyle: The QProxyStyle class is a convenience class that simplifies dynamically overriding QStyle elements.

• QPushButton: The QPushButton widget provides a command button.

• QRadioButton: The QRadioButton widget provides a radio button with a text label.

• QRubberBand: The QRubberBand class provides a rectangle or line that can indicate a selection or a boundary.

• QScrollArea: The QScrollArea class provides a scrolling view onto another widget.

• QScrollBar: The QScrollBar widget provides a vertical or horizontal scroll bar.

• QScroller: The QScroller class enables kinetic scrolling for any scrolling widget or graphics item.

• QScrollerProperties: The QScrollerProperties class stores the settings for a QScroller.

• QSizeGrip: The QSizeGrip class provides a resize handle for resizing top-level windows.

• QSizePolicy: The QSizePolicy class is a layout attribute describing horizontal and vertical resizing policy.

• QSlider: The QSlider widget provides a vertical or horizontal slider.

• QSpacerItem: The QSpacerItem class provides blank space in a layout.

• QSpinBox: The QSpinBox class provides a spin box widget.

• QSplashScreen: The QSplashScreen widget provides a splash screen that can be shown during application startup.

• QSplitter: The QSplitter class implements a splitter widget.

• QSplitterHandle: The QSplitterHandle class provides handle functionality for the splitter.

• QStackedLayout: The QStackedLayout class provides a stack of widgets where only one widget is visible at a time.

• QStackedWidget: The QStackedWidget class provides a stack of widgets where only one widget is visible at a time.

• QStandardItemEditorCreator: The QStandardItemEditorCreator class provides the possibility to register widgets without having to subclass QItemEditorCreatorBase.

• QStatusBar: The QStatusBar class provides a horizontal bar suitable for presenting status information.

• QStyle: The QStyle class is an abstract base class that encapsulates the look and feel of a GUI.

• QStyleFactory: The QStyleFactory class creates QStyle objects.

• QStyleHintReturn: The QStyleHintReturn class provides style hints that return more than basic data types.

• QStyleHintReturnMask: The QStyleHintReturnMask class provides style hints that return a QRegion.

• QStyleHintReturnVariant: The QStyleHintReturnVariant class provides style hints that return a QVariant.

• QStyleOption: The QStyleOption class stores the parameters used by QStyle functions.

• QStyleOptionButton: The QStyleOptionButton class is used to describe the parameters for drawing buttons.

• QStyleOptionComboBox: The QStyleOptionComboBox class is used to describe the parameter for drawing a combobox.

• QStyleOptionComplex: The QStyleOptionComplex class is used to hold parameters that are common to all complex controls.

• QStyleOptionDockWidget: The QStyleOptionDockWidget class is used to describe the parameters for drawing a dock widget.

• QStyleOptionFocusRect: The QStyleOptionFocusRect class is used to describe the parameters for drawing a focus rectangle with QStyle.

• QStyleOptionFrame: The QStyleOptionFrame class is used to describe the parameters for drawing a frame.

• QStyleOptionGraphicsItem: The QStyleOptionGraphicsItem class is used to describe the parameters needed to draw a QGraphicsItem.

• QStyleOptionGroupBox: The QStyleOptionGroupBox class describes the parameters for drawing a group box.

• QStyleOptionHeader: The QStyleOptionHeader class is used to describe the parameters for drawing a header.

• QStyleOptionHeaderV2: The QStyleOptionHeaderV2 class is used to describe the parameters for drawing a header.

• QStyleOptionMenuItem: The QStyleOptionMenuItem class is used to describe the parameter necessary for drawing a menu item.

• QStyleOptionProgressBar: The QStyleOptionProgressBar class is used to describe the parameters necessary for drawing a progress bar.

• QStyleOptionRubberBand: The QStyleOptionRubberBand class is used to describe the parameters needed for drawing a rubber band.

• QStyleOptionSizeGrip: The QStyleOptionSizeGrip class is used to describe the parameter for drawing a size grip.

• QStyleOptionSlider: The QStyleOptionSlider class is used to describe the parameters needed for drawing a slider.

• QStyleOptionSpinBox: The QStyleOptionSpinBox class is used to describe the parameters necessary for drawing a spin box.

• QStyleOptionTab: The QStyleOptionTab class is used to describe the parameters for drawing a tab bar.

• QStyleOptionTabBarBase: The QStyleOptionTabBarBase class is used to describe the base of a tab bar, i.e. the part that the tab bar usually overlaps with.

• QStyleOptionTabWidgetFrame: The QStyleOptionTabWidgetFrame class is used to describe the parameters for drawing the frame around a tab widget.

• QStyleOptionTitleBar: The QStyleOptionTitleBar class is used to describe the parameters for drawing a title bar.

• QStyleOptionToolBar: The QStyleOptionToolBar class is used to describe the parameters for drawing a toolbar.

• QStyleOptionToolBox: The QStyleOptionToolBox class is used to describe the parameters needed for drawing a tool box.

• QStyleOptionToolButton: The QStyleOptionToolButton class is used to describe the parameters for drawing a tool button.

• QStyleOptionViewItem: The QStyleOptionViewItem class is used to describe the parameters used to draw an item in a view widget.

• QStylePainter: The QStylePainter class is a convenience class for drawing QStyle elements inside a widget.

• QStylePlugin: The QStylePlugin class provides an abstract base for custom QStyle plugins.

• QStyledItemDelegate: The QStyledItemDelegate class provides display and editing facilities for data items from a model.

• QSwipeGesture: The QSwipeGesture class describes a swipe gesture made by the user.

• QSystemTrayIcon: The QSystemTrayIcon class provides an icon for an application in the system tray.

• QTabBar: The QTabBar class provides a tab bar, e.g. for use in tabbed dialogs.

• QTabWidget: The QTabWidget class provides a stack of tabbed widgets.

• QTableView: The QTableView class provides a default model/view implementation of a table view.

• QTableWidget: The QTableWidget class provides an item-based table view with a default model.

• QTableWidgetItem: The QTableWidgetItem class provides an item for use with the QTableWidget class.

• QTableWidgetSelectionRange: The QTableWidgetSelectionRange class provides a way to interact with selection in a model without using model indexes and a selection model.

• QTapAndHoldGesture: The QTapAndHoldGesture class describes a tap-and-hold (aka LongTap) gesture made by the user.

• QTapGesture: The QTapGesture class describes a tap gesture made by the user.

• QTextBrowser: The QTextBrowser class provides a rich text browser with hypertext navigation.

• QTextEdit: The QTextEdit class provides a widget that is used to edit and display both plain and rich text.

• QTextEdit::ExtraSelection: The QTextEdit::ExtraSelection structure provides a way of specifying a character format for a given selection in a document.

• QTileRules: The QTileRules class provides the rules used to draw a pixmap or image split into nine segments.

• QTimeEdit: The QTimeEdit class provides a widget for editing times based on the QDateTimeEdit widget.

• QToolBar: The QToolBar class provides a movable panel that contains a set of controls.

• QToolBox: The QToolBox class provides a column of tabbed widget items.

• QToolButton: The QToolButton class provides a quick-access button to commands or options, usually used inside a QToolBar.

• QToolTip: The QToolTip class provides tool tips (balloon help) for any widget.

• QTreeView: The QTreeView class provides a default model/view implementation of a tree view.

• QTreeWidget: The QTreeWidget class provides a tree view that uses a predefined tree model.

• QTreeWidgetItem: The QTreeWidgetItem class provides an item for use with the QTreeWidget convenience class.

• QTreeWidgetItemIterator: The QTreeWidgetItemIterator class provides a way to iterate over the items in a QTreeWidget instance.

• QUndoView: The QUndoView class displays the contents of a QUndoStack.

• QVBoxLayout: The QVBoxLayout class lines up widgets vertically.

• QWhatsThis: The QWhatsThis class provides a simple description of any widget, i.e. answering the question "What's This?".

• QWidget: The QWidget class is the base class of all user interface objects.

• QWidgetAction: The QWidgetAction class extends QAction by an interface for inserting custom widgets into action based containers, such as toolbars.

• QWidgetItem: The QWidgetItem class is a layout item that represents a widget.

• QWizard: The QWizard class provides a framework for wizards.

• QWizardPage: The QWizardPage class is the base class for wizard pages.

The Qt Widgets page contains information about how to use the module.