Qt Reference Documentation

Contents

QtGui Module

The QtGui module extends QtCore with GUI functionality. More...

Classes

QAbstractButton

The abstract base class of button widgets, providing functionality common to buttons

QAbstractFontEngine

The base class for font engine plugins in Qt for Embedded Linux

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

QAbstractPrintDialog

Base implementation for print dialogs used to configure printers

QAbstractProxyModel

Base class for proxy item models that can do sorting, filtering or other data processing tasks

QAbstractScrollArea

Scrolling area with on-demand scroll bars

QAbstractSlider

Integer value within a range

QAbstractSpinBox

Spinbox and a line edit to display values

QAbstractTextDocumentLayout

Abstract base class used to implement custom layouts for QTextDocuments

QAccessible

Enums and static functions relating to accessibility

QAccessibleBridge

The base class for accessibility back-ends

QAccessibleBridgePlugin

Abstract base for accessibility bridge plugins

QAccessibleEvent

Used to query addition accessibility information about complex widgets

QAccessibleInterface

Defines an interface that exposes information about accessible objects

QAccessibleObject

Implements parts of the QAccessibleInterface for QObjects

QAccessiblePlugin

Abstract base for accessibility plugins

QAccessibleWidget

Implements the QAccessibleInterface for QWidgets

QAction

Abstract user interface action that can be inserted into widgets

QActionEvent

Event that is generated when a QAction is added, removed, or changed

QActionGroup

Groups actions together

QApplication

Manages the GUI application's control flow and main settings

QBitmap

Monochrome (1-bit depth) pixmaps

QBoxLayout

Lines up child widgets horizontally or vertically

QBrush

Defines the fill pattern of shapes drawn by QPainter

QButtonGroup

Container to organize groups of button widgets

QCDEStyle

CDE look and feel

QCalendarWidget

Monthly based calendar widget allowing the user to select a date

QCheckBox

Checkbox with a text label

QCleanlooksStyle

Widget style similar to the Clearlooks style available in GNOME

QClipboard

Access to the window system clipboard

QCloseEvent

Contains parameters that describe a close event

QColor

Colors based on RGB, HSV or CMYK values

QColorDialog

Dialog widget for specifying colors

QColorGroup

Contains color groups for each widget state

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

QConicalGradient

Used in combination with QBrush to specify a conical gradient brush

QContextMenuEvent

Contains parameters that describe a context menu event

QCopChannel

Communication capabilities between clients in Qt for Embedded Linux

QCursor

Mouse cursor with an arbitrary shape

QCustomRasterPaintDevice

Provided to activate hardware accelerated paint engines in Qt for Embedded Linux

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

QDecoration

Base class for window decorations in Qt for Embedded Linux

QDecorationDefault

Base class providing default window decorations

QDecorationFactory

Creates window decorations in Qt for Embedded Linux

QDecorationPlugin

Abstract base class for window decoration plugins in Qt for Embedded Linux

QDesktopServices

Methods for accessing common desktop services

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

QDirectPainter

Direct access to the underlying hardware in Qt for Embedded Linux

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

QDoubleValidator

Range checking of floating-point numbers

QDrag

Support for MIME-based drag and drop data transfer

QDragEnterEvent

Event which is sent to a widget when a drag and drop action enters it

QDragLeaveEvent

Event that is sent to a widget when a drag and drop action leaves it

QDragMoveEvent

Event which is sent while a drag and drop action is in progress

QDropEvent

Event which is sent when a drag and drop action is completed

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

QFileOpenEvent

Event that will be sent when there is a request to open a file or a URL

QFileSystemModel

Data model for the local filesystem

QFocusEvent

Contains event parameters for widget focus events

QFocusFrame

Focus frame which can be outside of a widget's normal paintable area

QFont

Specifies a font used for drawing text

QFontComboBox

Combobox that lets the user select a font family

QFontDatabase

Information about the fonts available in the underlying window system

QFontDialog

Dialog widget for selecting a font

QFontEngineInfo

Describes a specific font provided by a font engine plugin

QFontEnginePlugin

The base class for font engine factory plugins in Qt for Embedded Linux

QFontInfo

General information about fonts

QFontMetrics

Font metrics information

QFontMetricsF

Font metrics information

QFormLayout

Manages forms of input widgets and their associated labels

QFrame

The base class of widgets that can have a frame

QGenericMatrix

Template class that represents a NxM transformation matrix with N columns and M rows

QGenericPlugin

Abstract base class for window-system related plugins in Qt QPA

QGenericPluginFactory

Creates window-system related plugin drivers in Qt QPA

QGesture

Represents a gesture, containing properties that describe the corresponding user input

QGestureEvent

The description of triggered gestures

QGestureRecognizer

The infrastructure for gesture recognition

QGlyphRun

Direct access to the internal glyphs in a font

QGradient

Used in combination with QBrush to specify gradient fills

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

QGraphicsItemAnimation

Simple animation support for QGraphicsItem

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

QGtkStyle

Widget style rendered by GTK+

QHBoxLayout

Lines up widgets horizontally

QHeaderView

Header row or header column for item views

QHelpEvent

Event that is used to request helpful information about a particular point in a widget

QHideEvent

Event which is sent after a widget is hidden

QHoverEvent

Contains parameters that describe a mouse event

QIcon

Scalable icons in different modes and states

QIconDragEvent

Indicates that a main icon drag has begun

QIconEngine

Abstract base class for QIcon renderers

QIconEnginePlugin

Abstract base for custom QIconEngine plugins

QIconEnginePluginV2

Abstract base for custom QIconEngineV2 plugins

QIconEngineV2

Abstract base class for QIcon renderers

QIdentityProxyModel

Proxies its source model unmodified

QImage

Hardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device

QImageIOHandler

Defines the common image I/O interface for all image formats in Qt

QImageIOPlugin

Defines an interface for writing an image format plugin

QImageReader

Format independent interface for reading images from files or other devices

QImageWriter

Format independent interface for writing images to files or other devices

QInputContext

Abstracts the input method dependent data and composing state

QInputContextFactory

Creates QInputContext objects

QInputContextPlugin

Abstract base for custom QInputContext plugins

QInputDialog

Simple convenience dialog to get a single value from the user

QInputEvent

The base class for events that describe user input

QInputMethodEvent

Parameters for input method events

QIntValidator

Validator that ensures a string contains a valid integer within a specified range

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

QItemSelection

Manages information about selected items in a model

QItemSelectionModel

Keeps track of a view's selected items

QItemSelectionRange

Manages information about a range of selected items in a model

QKbdDriverFactory

Creates keyboard drivers in Qt for Embedded Linux

QKbdDriverPlugin

Abstract base class for keyboard driver plugins in Qt for Embedded Linux

QKeyEvent

Describes a key event

QKeyEventTransition

Transition for key events

QKeySequence

Encapsulates a key sequence as used by shortcuts

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

QLinearGradient

Used in combination with QBrush to specify a linear gradient brush

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 Carbon or Cocoa hierarchies depending on how Qt was configured

QMacPasteboardMime

Converts between a MIME type and a Uniform Type Identifier (UTI) format

QMacStyle

Mac OS X style using the Apple Appearance Manager

QMainWindow

Main application window

QMatrix4x4

Represents a 4x4 transformation matrix in 3D space

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

QMenuItem

Represents an item in a menu

QMessageBox

Modal dialog for informing the user or for asking the user a question and receiving an answer

QMotifStyle

Motif look and feel

QMouseDriverFactory

Creates mouse drivers in Qt for Embedded Linux

QMouseDriverPlugin

Abstract base class for mouse driver plugins in Qt for Embedded Linux

QMouseEvent

Contains parameters that describe a mouse event

QMouseEventTransition

Transition for mouse events

QMoveEvent

Contains event parameters for move events

QMovie

Convenience class for playing movies with QImageReader

QPageSetupDialog

Configuration dialog for the page-related options on a printer

QPaintDevice

The base class of objects that can be painted

QPaintEngine

Abstract definition of how QPainter draws to a given device on a given platform

QPaintEngineState

Information about the active paint engine's current state

QPaintEvent

Contains event parameters for paint events

QPainter

Performs low-level painting on widgets and other paint devices

QPainterPath

Container for painting operations, enabling graphical shapes to be constructed and reused

QPainterPathStroker

Used to generate fillable outlines for a given painter path

QPalette

Contains color groups for each widget state

QPanGesture

Describes a panning gesture made by the user

QPen

Defines how a QPainter should draw lines and outlines of shapes

QPicture

Paint device that records and replays QPainter commands

QPinchGesture

Describes a pinch gesture made by the user

QPixmap

Off-screen image representation that can be used as a paint device

QPixmapCache

Application-wide cache for pixmaps

QPlainTextDocumentLayout

Implements a plain text layout for QTextDocument

QPlainTextEdit

Widget that is used to edit and display plain text

QPlastiqueStyle

Widget style similar to the Plastik style available in KDE

QPlatformCursor

Information about pointer device events (movement, buttons), and requests to change the currently displayed cursor

QPlatformCursorImage

Set of graphics intended to be used as cursors

QPlatformFontDatabase

Makes it possible to customize how fonts are discovered and how they are rendered

QPlatformWindowFormat

Specifies the display format of an OpenGL rendering context and if possible attributes of the corresponding QPlatformWindow

QPolygon

Vector of points using integer precision

QPolygonF

Vector of points using floating point precision

QPrintDialog

Dialog for specifying the printer's configuration

QPrintEngine

Defines an interface for how QPrinter interacts with a given printing subsystem

QPrintPreviewDialog

Dialog for previewing and configuring page layouts for printer output

QPrintPreviewWidget

Widget for previewing page layouts for printer output

QPrinter

Paint device that paints on a printer

QPrinterInfo

Gives access to information about existing printers

QProgressBar

Horizontal or vertical progress bar

QProgressDialog

Feedback on the progress of a slow operation

QProxyScreen

Generic interface to QScreen implementations

QProxyScreenCursor

Generic interface to QScreenCursor implementations

QProxyStyle

Convenience class that simplifies dynamically overriding QStyle elements

QPushButton

Command button

QQuaternion

Represents a quaternion consisting of a vector and scalar

QRadialGradient

Used in combination with QBrush to specify a radial gradient brush

QRadioButton

Radio button with a text label

QRasterPaintEngine

Enables hardware acceleration of painting operations in Qt for Embedded Linux

QRawFont

Access to a single physical instance of a font

QRegExpValidator

Used to check a string against a regular expression

QRegion

Specifies a clip region for a painter

QResizeEvent

Contains event parameters for resize events

QRubberBand

Rectangle or line that can indicate a selection or a boundary

QS60MainAppUi

Helper class for S60 migration

QS60MainApplication

Support for migration from S60

QS60MainDocument

Helper class for S60 migration

QS60Style

Look and feel suitable for applications on S60

QScreen

Base class for screen drivers in Qt for Embedded Linux

QScreenCursor

Base class for screen cursors in Qt for Embedded Linux

QScreenDriverFactory

Creates screen drivers in Qt for Embedded Linux

QScreenDriverPlugin

Abstract base class for screen driver plugins in Qt for Embedded Linux

QScrollArea

Scrolling view onto another widget

QScrollBar

Vertical or horizontal scroll bar

QSessionManager

Access to the session manager

QShortcut

Used to create keyboard shortcuts

QShortcutEvent

Event which is generated when the user presses a key combination

QShowEvent

Event that is sent when a widget is shown

QSizeGrip

Resize handle for resizing top-level windows

QSizePolicy

Layout attribute describing horizontal and vertical resizing policy

QSlider

Vertical or horizontal slider

QSortFilterProxyModel

Support for sorting and filtering data passed between another model and a view

QSound

Access to the platform audio facilities

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 of 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

QStandardItem

Item for use with the QStandardItemModel class

QStandardItemEditorCreator

The possibility to register widgets without having to subclass QItemEditorCreatorBase

QStandardItemModel

Generic model for storing custom data

QStaticText

Enables optimized drawing of text when the text and its layout is updated rarely

QStatusBar

Horizontal bar suitable for presenting status information

QStatusTipEvent

Event that is used to show messages in a status bar

QStringListModel

Model that supplies strings to views

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

QStyleOptionFrameV2

Used to describe the parameters necessary for drawing a frame in Qt 4.1 or above

QStyleOptionFrameV3

Used to describe the parameters necessary for drawing a frame in Qt 4.1 or above

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

QStyleOptionProgressBarV2

Used to describe the parameters necessary for drawing a progress bar in Qt 4.1 or above

QStyleOptionQ3DockWindow

Used to describe the parameters for drawing various parts of a Q3DockWindow

QStyleOptionQ3ListView

Used to describe the parameters for drawing a Q3ListView

QStyleOptionQ3ListViewItem

Used to describe an item drawn in a Q3ListView

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

QStyleOptionTabBarBaseV2

Used to describe the base of a tab bar, i.e. the part that the tab bar usually overlaps with

QStyleOptionTabV2

Used to describe the parameters necessary for drawing a tabs in Qt 4.1 or above

QStyleOptionTabV3

Used to describe the parameters necessary for drawing a tabs in Qt 4.5 or above

QStyleOptionTabWidgetFrame

Used to describe the parameters for drawing the frame around a tab widget

QStyleOptionTabWidgetFrameV2

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

QStyleOptionToolBoxV2

Used to describe the parameters necessary for drawing a frame in Qt 4.3 or above

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

QStyleOptionViewItemV2

Used to describe the parameters necessary for drawing a frame in Qt 4.2 or above

QStyleOptionViewItemV3

Used to describe the parameters necessary for drawing a frame in Qt 4.3 or above

QStyleOptionViewItemV4

Used to describe the parameters necessary for drawing a frame in Qt 4.4 or above

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

QSupportedWritingSystems

Used when registering fonts with the internal Qt fontdatabase

QSwipeGesture

Describes a swipe gesture made by the user

QSymbianEvent

Contains a Symbian event of any type

QSymbianGraphicsSystemHelper

QSyntaxHighlighter

Allows you to define syntax highlighting rules, and in addition you can use the class to query a document's current formatting or user data

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

QTabletEvent

Contains parameters that describe a Tablet event

QTapAndHoldGesture

Describes a tap-and-hold (aka LongTap) gesture made by the user

QTapGesture

Describes a tap gesture made by the user

QTextBlock

Container for text fragments in a QTextDocument

QTextBlockFormat

Formatting information for blocks of text in a QTextDocument

QTextBlockGroup

Container for text blocks within a QTextDocument

QTextBlockUserData

Used to associate custom data with blocks of text

QTextBrowser

Rich text browser with hypertext navigation

QTextCharFormat

Formatting information for characters in a QTextDocument

QTextCursor

Offers an API to access and modify QTextDocuments

QTextDocument

Holds formatted text that can be viewed and edited using a QTextEdit

QTextDocumentFragment

Represents a piece of formatted text from a QTextDocument

QTextDocumentWriter

Format-independent interface for writing a QTextDocument to files or other devices

QTextEdit

Widget that is used to edit and display both plain and rich text

QTextFormat

Formatting information for a QTextDocument

QTextFragment

Holds a piece of text in a QTextDocument with a single QTextCharFormat

QTextFrame

Represents a frame in a QTextDocument

QTextFrameFormat

Formatting information for frames in a QTextDocument

QTextImageFormat

Formatting information for images in a QTextDocument

QTextInlineObject

Represents an inline object in a QTextLayout

QTextItem

All the information required to draw text in a custom paint engine

QTextLayout

Used to lay out and render text

QTextLength

Encapsulates the different types of length used in a QTextDocument

QTextLine

Represents a line of text inside a QTextLayout

QTextList

Decorated list of items in a QTextDocument

QTextListFormat

Formatting information for lists in a QTextDocument

QTextObject

Base class for different kinds of objects that can group parts of a QTextDocument together

QTextObjectInterface

Allows drawing of custom text objects in QTextDocuments

QTextOption

Description of general rich text properties

QTextTable

Represents a table in a QTextDocument

QTextTableCell

Represents the properties of a cell in a QTextTable

QTextTableCellFormat

Formatting information for table cells in a QTextDocument

QTextTableFormat

Formatting information for tables in a QTextDocument

QTileRules

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

QTouchEvent

Contains parameters that describe a touch event

QTransform

Specifies 2D transformations of a coordinate system

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

QValidator

Validation of input text

QVector2D

Represents a vector or vertex in 2D space

QVector3D

Represents a vector or vertex in 3D space

QVector4D

Represents a vector or vertex in 4D space

QWSCalibratedMouseHandler

Mouse calibration and noise reduction in Qt for Embedded Linux

QWSClient

Encapsulates a client process in Qt for Embedded Linux

QWSEmbedWidget

Enables embedded top-level widgets in Qt for Embedded Linux

QWSEvent

Encapsulates an event in Qt for Embedded Linux

QWSInputMethod

International input methods in Qt for Embedded Linux

QWSKeyboardHandler

Base class for keyboard drivers in Qt for Embedded Linux

QWSMouseHandler

Base class for mouse drivers in Qt for Embedded Linux

QWSPointerCalibrationData

Container for mouse calibration data in Qt for Embedded Linux

QWSScreenSaver

Base class for screensavers in Qt for Embedded Linux

QWSServer

Encapsulates a server process in Qt for Embedded Linux

QWSWindow

Encapsulates a top-level window in Qt for Embedded Linux

QWhatsThis

Simple description of any widget, i.e. answering the question "What's This?"

QWhatsThisClickedEvent

Event that can be used to handle hyperlinks in a "What's This?" text

QWheelEvent

Contains parameters that describe a wheel event

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

QWindowStateChangeEvent

The window state before a window state change

QWindowsMime

Maps open-standard MIME to Window Clipboard formats

QWindowsStyle

Microsoft Windows-like look and feel

QWindowsVistaStyle

Look and feel suitable for applications on Microsoft Windows Vista

QWindowsXPStyle

Microsoft Windows XP-like look and feel

QWizard

Framework for wizards

QWizardPage

The base class for wizard pages

QX11EmbedContainer

XEmbed container widget

QX11EmbedWidget

XEmbed client widget

QX11Info

Information about the X display configuration

Detailed Description

To include the definitions of both modules' classes, use the following directive:

 #include <QtGui>