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QtWidgets Module's Classes
Qt Widgets C++ Classes
The Qt Widgets module extends Qt GUI with C++ widget functionality. More...
API Reference
These are links to the API reference materials.
- Qt Widgets C++ Classes
- Basic Widget Classes
- Advanced Widget Classes
- Abstract Widget Classes
- Organizer Widget Classes
- Graphics View Classes
- Model/View Classes
- Main Window and Related Classes
- Widget Appearance and Style Related Classes
- Layout Classes
- Qt Style Sheets Reference
Classes
QAbstractButton | The abstract base class of button widgets, providing functionality common to buttons |
QAbstractGraphicsShapeItem | Common base for all path items |
QAbstractItemDelegate | Used to display and edit data items from a model |
QAbstractItemView | The basic functionality for item view classes |
QAbstractScrollArea | Scrolling area with on-demand scroll bars |
QAbstractSlider | Integer value within a range |
QAbstractSpinBox | Spinbox and a line edit to display values |
QAccessibleWidget | Implements the QAccessibleInterface for QWidgets |
QAction | Abstract user interface action that can be inserted into widgets |
QActionGroup | Groups actions together |
QApplication | Manages the GUI application‘s control flow and main settings |
QBoxLayout | Lines up child widgets horizontally or vertically |
QButtonGroup | Container to organize groups of button widgets |
QCalendarWidget | Monthly based calendar widget allowing the user to select a date |
QCheckBox | Checkbox with a text label |
QColorDialog | Dialog widget for specifying colors |
QColormap | Maps device independent QColors to device dependent pixel values |
QColumnView | Model/view implementation of a column view |
QComboBox | Combined button and popup list |
QCommandLinkButton | Vista style command link button |
QCommonStyle | Encapsulates the common Look and Feel of a GUI |
QCompleter | Completions based on an item model |
QDataWidgetMapper | Mapping between a section of a data model to widgets |
QDateEdit | Widget for editing dates based on the QDateTimeEdit widget |
QDateTimeEdit | Widget for editing dates and times |
QDesktopWidget | Access to screen information on multi-head systems |
QDial | Rounded range control (like a speedometer or potentiometer) |
QDialog | The base class of dialog windows |
QDialogButtonBox | Widget that presents buttons in a layout that is appropriate to the current widget style |
QDockWidget | Widget that can be docked inside a QMainWindow or floated as a top-level window on the desktop |
QDoubleSpinBox | Spin box widget that takes doubles |
QErrorMessage | Error message display dialog |
QFileDialog | Dialog that allow users to select files or directories |
QFileIconProvider | File icons for the QDirModel and the QFileSystemModel classes |
QFileSystemModel | Data model for the local filesystem |
QFocusFrame | Focus frame which can be outside of a widget‘s normal paintable area |
QFontComboBox | Combobox that lets the user select a font family |
QFontDialog | Dialog widget for selecting a font |
QFormLayout | Manages forms of input widgets and their associated labels |
QFrame | The base class of widgets that can have a frame |
QGesture | Represents a gesture, containing properties that describe the corresponding user input |
QGestureEvent | The description of triggered gestures |
QGestureRecognizer | The infrastructure for gesture recognition |
QGraphicsAnchor | Represents an anchor between two items in a QGraphicsAnchorLayout |
QGraphicsAnchorLayout | Layout where one can anchor widgets together in Graphics View |
QGraphicsBlurEffect | Blur effect |
QGraphicsColorizeEffect | Colorize effect |
QGraphicsDropShadowEffect | Drop shadow effect |
QGraphicsEffect | The base class for all graphics effects |
QGraphicsEllipseItem | Ellipse item that you can add to a QGraphicsScene |
QGraphicsGridLayout | Grid layout for managing widgets in Graphics View |
QGraphicsItem | The base class for all graphical items in a QGraphicsScene |
QGraphicsItemGroup | Container that treats a group of items as a single item |
QGraphicsLayout | The base class for all layouts in Graphics View |
QGraphicsLayoutItem | Can be inherited to allow your custom items to be managed by layouts |
QGraphicsLineItem | Line item that you can add to a QGraphicsScene |
QGraphicsLinearLayout | Horizontal or vertical layout for managing widgets in Graphics View |
QGraphicsObject | Base class for all graphics items that require signals, slots and properties |
QGraphicsOpacityEffect | Opacity effect |
QGraphicsPathItem | Path item that you can add to a QGraphicsScene |
QGraphicsPixmapItem | Pixmap item that you can add to a QGraphicsScene |
QGraphicsPolygonItem | Polygon item that you can add to a QGraphicsScene |
QGraphicsProxyWidget | Proxy layer for embedding a QWidget in a QGraphicsScene |
QGraphicsRectItem | Rectangle item that you can add to a QGraphicsScene |
QGraphicsRotation | Rotation transformation around a given axis |
QGraphicsScale | Scale transformation |
QGraphicsScene | Surface for managing a large number of 2D graphical items |
QGraphicsSceneContextMenuEvent | Context menu events in the graphics view framework |
QGraphicsSceneDragDropEvent | Events for drag and drop in the graphics view framework |
QGraphicsSceneEvent | Base class for all graphics view related events |
QGraphicsSceneHelpEvent | Events when a tooltip is requested |
QGraphicsSceneHoverEvent | Hover events in the graphics view framework |
QGraphicsSceneMouseEvent | Mouse events in the graphics view framework |
QGraphicsSceneMoveEvent | Events for widget moving in the graphics view framework |
QGraphicsSceneResizeEvent | Events for widget resizing in the graphics view framework |
QGraphicsSceneWheelEvent | Wheel events in the graphics view framework |
QGraphicsSimpleTextItem | Simple text path item that you can add to a QGraphicsScene |
QGraphicsTextItem | Text item that you can add to a QGraphicsScene to display formatted text |
QGraphicsTransform | Abstract base class for building advanced transformations on QGraphicsItems |
QGraphicsView | Widget for displaying the contents of a QGraphicsScene |
QGraphicsWidget | The base class for all widget items in a QGraphicsScene |
QGridLayout | Lays out widgets in a grid |
QGroupBox | Group box frame with a title |
QHBoxLayout | Lines up widgets horizontally |
QHeaderView | Header row or header column for item views |
QInputDialog | Simple convenience dialog to get a single value from the user |
QItemDelegate | Display and editing facilities for data items from a model |
QItemEditorCreator | Makes it possible to create item editor creator bases without subclassing QItemEditorCreatorBase |
QItemEditorCreatorBase | Abstract base class that must be subclassed when implementing new item editor creators |
QItemEditorFactory | Widgets for editing item data in views and delegates |
QKeyEventTransition | Transition for key events |
QKeySequenceEdit | Allows to input a QKeySequence |
QLCDNumber | Displays a number with LCD-like digits |
QLabel | Text or image display |
QLayout | The base class of geometry managers |
QLayoutItem | Abstract item that a QLayout manipulates |
QLineEdit | One-line text editor |
QListView | List or icon view onto a model |
QListWidget | Item-based list widget |
QListWidgetItem | Item for use with the QListWidget item view class |
QMacCocoaViewContainer | Widget for Mac OS X that can be used to wrap arbitrary Cocoa views (i.e., NSView subclasses) and insert them into Qt hierarchies |
QMacNativeWidget | Widget for Mac OS X that provides a way to put Qt widgets into Cocoa hierarchies |
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 |
QMessageBox | Modal dialog for informing the user or for asking the user a question and receiving an answer |
QMouseEventTransition | Transition for mouse events |
QOpenGLWidget | Widget for rendering OpenGL graphics |
QPanGesture | Describes a panning gesture made by the user |
QPinchGesture | Describes a pinch gesture made by the user |
QPlainTextDocumentLayout | Implements a plain text layout for QTextDocument |
QPlainTextEdit | Widget that is used to edit and display plain text |
QProgressBar | Horizontal or vertical progress bar |
QProgressDialog | Feedback on the progress of a slow operation |
QProxyStyle | Convenience class that simplifies dynamically overriding QStyle elements |
QPushButton | Command button |
QRadioButton | Radio button with a text label |
QRubberBand | Rectangle or line that can indicate a selection or a boundary |
QScrollArea | Scrolling view onto another widget |
QScrollBar | Vertical or horizontal scroll bar |
QScroller | Enables kinetic scrolling for any scrolling widget or graphics item |
QScrollerProperties | Stores the settings for a QScroller |
QSessionManager | Access to the session manager |
QShortcut | Used to create keyboard shortcuts |
QSizeGrip | Resize handle for resizing top-level windows |
QSizePolicy | Layout attribute describing horizontal and vertical resizing policy |
QSlider | Vertical or horizontal slider |
QSpacerItem | Blank space in a layout |
QSpinBox | Spin box widget |
QSplashScreen | Splash screen that can be shown during application startup |
QSplitter | Implements a splitter widget |
QSplitterHandle | Handle functionality for the splitter |
QStackedLayout | Stack of widgets where only one widget is visible at a time |
QStackedWidget | Stack of widgets where only one widget is visible at a time |
QStandardItemEditorCreator | The possibility to register widgets without having to subclass QItemEditorCreatorBase |
QStatusBar | Horizontal bar suitable for presenting status information |
QStyle | Abstract base class that encapsulates the look and feel of a GUI |
QStyleFactory | Creates QStyle objects |
QStyleHintReturn | Style hints that return more than basic data types |
QStyleHintReturnMask | Style hints that return a QRegion |
QStyleHintReturnVariant | Style hints that return a QVariant |
QStyleOption | Stores the parameters used by QStyle functions |
QStyleOptionButton | Used to describe the parameters for drawing buttons |
QStyleOptionComboBox | Used to describe the parameter for drawing a combobox |
QStyleOptionComplex | Used to hold parameters that are common to all complex controls |
QStyleOptionDockWidget | Used to describe the parameters for drawing a dock widget |
QStyleOptionFocusRect | Used to describe the parameters for drawing a focus rectangle with QStyle |
QStyleOptionFrame | Used to describe the parameters for drawing a frame |
QStyleOptionGraphicsItem | Used to describe the parameters needed to draw a QGraphicsItem |
QStyleOptionGroupBox | Describes the parameters for drawing a group box |
QStyleOptionHeader | Used to describe the parameters for drawing a header |
QStyleOptionMenuItem | Used to describe the parameter necessary for drawing a menu item |
QStyleOptionProgressBar | Used to describe the parameters necessary for drawing a progress bar |
QStyleOptionRubberBand | Used to describe the parameters needed for drawing a rubber band |
QStyleOptionSizeGrip | Used to describe the parameter for drawing a size grip |
QStyleOptionSlider | Used to describe the parameters needed for drawing a slider |
QStyleOptionSpinBox | Used to describe the parameters necessary for drawing a spin box |
QStyleOptionTab | Used to describe the parameters for drawing a tab bar |
QStyleOptionTabBarBase | Used to describe the base of a tab bar, i.e. the part that the tab bar usually overlaps with |
QStyleOptionTabWidgetFrame | Used to describe the parameters for drawing the frame around a tab widget |
QStyleOptionTitleBar | Used to describe the parameters for drawing a title bar |
QStyleOptionToolBar | Used to describe the parameters for drawing a toolbar |
QStyleOptionToolBox | Used to describe the parameters needed for drawing a tool box |
QStyleOptionToolButton | Used to describe the parameters for drawing a tool button |
QStyleOptionViewItem | Used to describe the parameters used to draw an item in a view widget |
QStylePainter | Convenience class for drawing QStyle elements inside a widget |
QStylePlugin | Abstract base for custom QStyle plugins |
QStyledItemDelegate | Display and editing facilities for data items from a model |
QSwipeGesture | Describes a swipe gesture made by the user |
QSystemTrayIcon | Icon for an application in the system tray |
QTabBar | Tab bar, e.g. for use in tabbed dialogs |
QTabWidget | Stack of tabbed widgets |
QTableView | Default model/view implementation of a table view |
QTableWidget | Item-based table view with a default model |
QTableWidgetItem | Item for use with the QTableWidget class |
QTableWidgetSelectionRange | Way to interact with selection in a model without using model indexes and a selection model |
QTapAndHoldGesture | Describes a tap-and-hold (aka LongTap) gesture made by the user |
QTapGesture | Describes a tap gesture made by the user |
QTextBrowser | Rich text browser with hypertext navigation |
QTextEdit | Widget that is used to edit and display both plain and rich text |
QTextEdit::ExtraSelection | QTextEdit::ExtraSelection structure provides a way of specifying a character format for a given selection in a document |
QTileRules | The rules used to draw a pixmap or image split into nine segments |
QTimeEdit | Widget for editing times based on the QDateTimeEdit widget |
QToolBar | Movable panel that contains a set of controls |
QToolBox | Column of tabbed widget items |
QToolButton | Quick-access button to commands or options, usually used inside a QToolBar |
QToolTip | Tool tips (balloon help) for any widget |
QTreeView | Default model/view implementation of a tree view |
QTreeWidget | Tree view that uses a predefined tree model |
QTreeWidgetItem | Item for use with the QTreeWidget convenience class |
QTreeWidgetItemIterator | Way to iterate over the items in a QTreeWidget instance |
QUndoCommand | The base class of all commands stored on a QUndoStack |
QUndoGroup | Group of QUndoStack objects |
QUndoStack | Stack of QUndoCommand objects |
QUndoView | Displays the contents of a QUndoStack |
QVBoxLayout | Lines up widgets vertically |
QWhatsThis | Simple description of any widget, i.e. answering the question "What‘s This?" |
QWidget | The base class of all user interface objects |
QWidgetAction | Extends QAction by an interface for inserting custom widgets into action based containers, such as toolbars |
QWidgetItem | Layout item that represents a widget |
QWizard | Framework for wizards |
QWizardPage | The base class for wizard pages |
QtWidgets Module's Classes