Widgets Classes

These basic widgets (controls), e.g. buttons, comboboxes and scroll bars, are designed for direct use.

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

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

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

• 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).

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

• 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.

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

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

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

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

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

• QPushButton: The QPushButton widget provides a command button.

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

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

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

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

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

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

• 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.

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

• 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.

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

Advanced GUI widgets, e.g. tab widgets and progress bars, provide more complex user interface controls.

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

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

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

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

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

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

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

The abstract widget classes are base classes. They are not usable as standalone classes but provide functionality when they are subclassed.

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

• 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.

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

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

Classes like splitters, tab bars, button groups, etc are used for organizing and grouping GUI primitives into more complex applications and dialogs.

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

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

• QSplitter: The QSplitter class implements a splitter widget.

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

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

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

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

• 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.

• 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.

• 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.

• 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.

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

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

• QAbstractItemModel: The QAbstractItemModel class provides the abstract interface for item model classes.

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

• QAbstractListModel: The QAbstractListModel class provides an abstract model that can be subclassed to create one-dimensional list models.

• QAbstractProxyModel: The QAbstractProxyModel class provides a base class for proxy item models that can do sorting, filtering or other data processing tasks.

• QAbstractTableModel: The QAbstractTableModel class provides an abstract model that can be subclassed to create table models.

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

• QConcatenateTablesProxyModel: The QConcatenateTablesProxyModel class proxies multiple source models, concatenating their rows.

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

• QFileSystemModel: The QFileSystemModel class provides a data model for the local filesystem.

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

• QIdentityProxyModel: The QIdentityProxyModel class proxies its source model unmodified.

• 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.

• QItemSelection: The QItemSelection class manages information about selected items in a model.

• QItemSelectionModel: The QItemSelectionModel class keeps track of a view's selected items.

• QItemSelectionRange: The QItemSelectionRange class manages information about a range of selected items in a model.

• 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.

• QModelIndex: The QModelIndex class is used to locate data in a data model.

• QModelRoleData: The QModelRoleData class holds a role and the data associated to that role.

• QModelRoleDataSpan: The QModelRoleDataSpan class provides a span over QModelRoleData objects.

• QPersistentModelIndex: The QPersistentModelIndex class is used to locate data in a data model.

• QSortFilterProxyModel: The QSortFilterProxyModel class provides support for sorting and filtering data passed between another model and a view.

• QStandardItem: The QStandardItem class provides an item for use with the QStandardItemModel class.

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

• QStandardItemModel: The QStandardItemModel class provides a generic model for storing custom data.

• QStringListModel: The QStringListModel class provides a model that supplies strings to views.

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

• 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.

• 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.

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

• 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.

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

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

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

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

Classes used for customizing UI appearance and style.

• QColor: The QColor class provides colors based on RGB, HSV or CMYK values.

• QColorSpace: The QColorSpace class provides a color space abstraction.

• QColorTransform: The QColorTransform class is a transformation between color spaces.

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

• QCursor: The QCursor class provides a mouse cursor with an arbitrary shape.

• QFont: The QFont class specifies a query for a font used for drawing text.

• QFontDatabase: The QFontDatabase class provides information about the fonts available in the underlying window system.

• QFontInfo: The QFontInfo class provides general information about fonts.

• 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.

• QPalette: The QPalette class contains color groups for each widget state.

• 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.

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

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

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

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

• 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.

• 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.

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

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

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

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

• 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.

• QVBoxLayout: The QVBoxLayout class lines up widgets vertically.

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