Annotated Class List

Qt classes with brief descriptions:

Q3DBars

Methods for rendering 3D bar graphs

Q3DCamera

Representation of a camera in 3D space

Q3DInputHandler

Basic wheel mouse based input handler

Q3DLight

Representation of a light source in 3D space

Q3DObject

Simple baseclass for all the objects in the 3D scene

Q3DScatter

Methods for rendering 3D scatter graphs

Q3DScene

Description of the 3D scene being visualized

Q3DSurface

Methods for rendering 3D surface plots

Q3DTheme

Visual style for graphs

QAbstract3DAxis

Base class for axes of a graph

QAbstract3DGraph

Window and render loop for graphs

QAbstract3DInputHandler

Base class for implementations of input handlers

QAbstract3DSeries

Base class for all QtDataVisualization series

QAbstractAnimation

The base of all animations

QAbstractAxis

Used for manipulating chart's axis

QAbstractBarSeries

Series for creating a bar chart

QAbstractButton

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

QAbstractDataProxy

Base class for all QtDataVisualization data proxies

QAbstractEventDispatcher

Interface to manage Qt's event queue

QAbstractExtensionFactory

Interface for extension factories in Qt Designer

QAbstractExtensionManager

Interface for extension managers in Qt Designer

QAbstractFormBuilder

Default implementation for classes that create user interfaces at run-time

QAbstractGraphicsShapeItem

Common base for all path items

QAbstractItemDelegate

Used to display and edit data items from a model

QAbstractItemModel

The abstract interface for item model classes

QAbstractItemView

The basic functionality for item view classes

QAbstractListModel

Abstract model that can be subclassed to create one-dimensional list models

QAbstractMessageHandler

Callback interface for handling messages

QAbstractNativeEventFilter

Interface for receiving native events, such as MSG or XCB event structs

QAbstractNetworkCache

The interface for cache implementations

QAbstractOpenGLFunctions

The base class of a family of classes that expose all functions for each OpenGL version and profile

QAbstractPlanarVideoBuffer

Abstraction for planar video data

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

QAbstractSeries

Base class for all Qt Chart series

QAbstractSlider

Integer value within a range

QAbstractSocket

The base functionality common to all socket types

QAbstractSpinBox

Spinbox and a line edit to display values

QAbstractState

The base class of states of a QStateMachine

QAbstractTableModel

Abstract model that can be subclassed to create table models

QAbstractTextDocumentLayout

Abstract base class used to implement custom layouts for QTextDocuments

QAbstractTransition

The base class of transitions between QAbstractState objects

QAbstractUriResolver

Callback interface for resolving Uniform Resource Identifiers. A Uniform Resource Identifier (URI) is a string that uniquely identifies a resource. URIs are versatile global identifiers. It is often useful to transform a URI that identifies something logical into a URI that locates something physical (a URL), or to simply map a URI to a different URI. QAbstractUriResolver::resolve() provides this functionality

QAbstractVideoBuffer

Abstraction for video data

QAbstractVideoFilter

Represents a filter that is applied to the video frames received by a VideoOutput type

QAbstractVideoSurface

Base class for video presentation surfaces

QAbstractXmlNodeModel

Abstract base class for modeling non-XML data to look like XML for QXmlQuery

QAbstractXmlReceiver

Callback interface for transforming the output of a QXmlQuery

QAccelerometer

Convenience wrapper around QSensor

QAccelerometerFilter

Convenience wrapper around QSensorFilter

QAccelerometerReading

Reports on linear acceleration along the X, Y and Z axes

QAccessible

Enums and static functions related to accessibility

QAccessibleActionInterface

Implements support for invocable actions in the interface

QAccessibleEditableTextInterface

Implements support for objects with editable text

QAccessibleEvent

The base class for accessibility notifications

QAccessibleInterface

Defines an interface that exposes information about accessible objects

QAccessibleObject

Implements parts of the QAccessibleInterface for QObjects

QAccessiblePlugin

Abstract base class for plugins provinding accessibility information for user interface elements

QAccessibleStateChangeEvent

Notfies the accessibility framework that the state of an object has changed

QAccessibleTableCellInterface

Implements support for the IAccessibleTable2 Cell interface

QAccessibleTableInterface

Implements support for the IAccessibleTable2 interface

QAccessibleTableModelChangeEvent

Signifies a change in a table, list, or tree where cells are added or removed. If the change affected a number of rows, firstColumn and lastColumn will return -1. Likewise for columns, the row functions may return -1

QAccessibleTextCursorEvent

Notifies of cursor movements

QAccessibleTextInsertEvent

Notifies of text being inserted

QAccessibleTextInterface

Implements support for text handling

QAccessibleTextRemoveEvent

Notifies of text being deleted

QAccessibleTextSelectionEvent

Signals a change in the text selection of an object

QAccessibleTextUpdateEvent

Notifies about text changes. This is for accessibles that support editable text such as line edits. This event occurs for example when a portion of selected text gets replaced by pasting a new text or in override mode of editors

QAccessibleValueChangeEvent

Describes a change in value for an accessible object

QAccessibleValueInterface

Implements support for objects that manipulate a value

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

QAltimeter

Convenience wrapper around QSensor

QAltimeterFilter

Convenience wrapper around QSensorFilter

QAltimeterReading

Holds readings from the altimeter sensor

QAmbientLightFilter

Convenience wrapper around QSensorFilter

QAmbientLightReading

Represents one reading from the ambient light sensor

QAmbientLightSensor

Convenience wrapper around QSensor

QAmbientTemperatureFilter

Convenience wrapper around QSensorFilter

QAmbientTemperatureReading

Holds readings of the ambient temperature

QAmbientTemperatureSensor

Convenience wrapper around QSensor

QAndroidActivityResultReceiver

Interface used for callbacks from onActivityResult() in the main Android activity

QAndroidJniEnvironment

Access to the JNI Environment

QAndroidJniObject

Provides APIs to call Java code from C++

QAnimationGroup

Abstract base class for groups of animations

QApplication

Manages the GUI application's control flow and main settings

QAreaLegendMarker

QLegendMarker subclass for area series

QAreaSeries

Used for making area charts

QAssociativeIterable

Iterable interface for an associative container in a QVariant

QAtomicInt

Platform-independent atomic operations on int

QAtomicInteger

Platform-independent atomic operations on integers

QAtomicPointer

Template class that provides platform-independent atomic operations on pointers

QAudioBuffer

Represents a collection of audio samples with a specific format and sample rate

QAudioDecoder

Allows decoding audio

QAudioDecoderControl

Access to the audio decoding functionality of a QMediaService

QAudioDeviceInfo

Interface to query audio devices and their functionality

QAudioEncoderSettings

Set of audio encoder settings

QAudioEncoderSettingsControl

Access to the settings of a media service that performs audio encoding

QAudioFormat

Stores audio stream parameter information

QAudioInput

Interface for receiving audio data from an audio input device

QAudioInputSelectorControl

Audio input selector media control

QAudioOutput

Interface for sending audio data to an audio output device

QAudioOutputSelectorControl

Audio output selector media control

QAudioProbe

Allows you to monitor audio being played or recorded

QAudioRecorder

Used for the recording of audio

QAudioRoleControl

Control over the audio role of a media object

QAuthenticator

Authentication object

QAxAggregated

Abstract base class for implementations of additional COM interfaces

QAxBase

Abstract class that provides an API to initialize and access a COM object

QAxBindable

Interface between a QWidget and an ActiveX client

QAxFactory

Defines a factory for the creation of COM components

QAxObject

QObject that wraps a COM object

QAxScript

Wrapper around script code

QAxScriptEngine

Wrapper around a script engine

QAxScriptManager

Bridge between application objects and script code

QAxSelect

Selection dialog for registered COM components

QAxWidget

QWidget that wraps an ActiveX control

QBackingStore

Drawing area for QWindow

QBar3DSeries

Base series class for Q3DBars

QBarCategoryAxis

Used for manipulating chart's axis

QBarDataItem

Container for resolved data to be added to bar graphs

QBarDataProxy

Base proxy class for Q3DBars

QBarLegendMarker

QLegendMarker subclass for bar series

QBarSeries

Series for creating bar chart

QBarSet

Building block for different bar charts

QBasicTimer

Timer events for objects

QBitArray

Array of bits

QBitmap

Monochrome (1-bit depth) pixmaps

QBluetoothAddress

Assigns an address to the Bluetooth device

QBluetoothDeviceDiscoveryAgent

Discovers the Bluetooth devices nearby

QBluetoothDeviceInfo

Stores information about the Bluetooth device

QBluetoothHostInfo

Encapsulates the details of a local QBluetooth device

QBluetoothLocalDevice

Enables access to the local Bluetooth device

QBluetoothServer

Uses the RFCOMM or L2cap protocol to communicate with a Bluetooth device

QBluetoothServiceDiscoveryAgent

Enables you to query for Bluetooth services

QBluetoothServiceInfo

Enables access to the attributes of a Bluetooth service

QBluetoothSocket

Enables connection to a Bluetooth device running a bluetooth server

QBluetoothTransferManager

Transfers data to another device using Object Push Profile (OPP)

QBluetoothTransferReply

Stores the response for a data transfer request

QBluetoothTransferRequest

Stores information about a data transfer request

QBluetoothUuid

Generates a UUID for each Bluetooth service

QBoxLayout

Lines up child widgets horizontally or vertically

QBoxPlotLegendMarker

QLegendMarker subclass for box plot series

QBoxPlotSeries

Series for creating box-and-whiskers chart

QBoxSet

Building block for box-and-whiskers chart

QBrush

Defines the fill pattern of shapes drawn by QPainter

QBuffer

QIODevice interface for a QByteArray

QButtonGroup

Container to organize groups of button widgets

QByteArray

Array of bytes

QByteArrayList

List of byte arrays

QByteArrayMatcher

Holds a sequence of bytes that can be quickly matched in a byte array

QCache

Template class that provides a cache

QCalendarWidget

Monthly based calendar widget allowing the user to select a date

QCamera

Interface for system camera devices

QCameraCaptureBufferFormatControl

Control for setting the capture buffer format

QCameraCaptureDestinationControl

Control for setting capture destination

QCameraControl

Abstract base class for classes that control still cameras or video cameras

QCameraExposure

Interface for exposure related camera settings

QCameraExposureControl

Allows controlling camera exposure parameters

QCameraFeedbackControl

Allows controlling feedback (sounds etc) during camera operation

QCameraFlashControl

Allows controlling a camera's flash

QCameraFocus

Interface for focus and zoom related camera settings

QCameraFocusControl

Supplies control for focusing related camera parameters

QCameraFocusZone

Information on zones used for autofocusing a camera

QCameraImageCapture

Used for the recording of media content

QCameraImageCaptureControl

Control interface for image capture services

QCameraImageProcessing

Interface for image processing related camera settings

QCameraImageProcessingControl

Abstract class for controlling image processing parameters, like white balance, contrast, saturation, sharpening and denoising

QCameraInfo

General information about camera devices

QCameraInfoControl

Camera info media control

QCameraLocksControl

Abstract base class for classes that control still cameras or video cameras

QCameraViewfinder

Camera viewfinder widget

QCameraViewfinderSettings

Set of viewfinder settings

QCameraViewfinderSettingsControl

Abstract class for controlling camera viewfinder parameters

QCameraViewfinderSettingsControl2

Access to the viewfinder settings of a camera media service

QCameraZoomControl

Supplies control for optical and digital camera zoom

QCanBus

Handles registration and creation of bus backends

QCanBusDevice

The interface class for CAN bus

QCanBusFactory

Factory class used as the plugin interface for CAN bus plugins

QCanBusFrame

Container class representing a single CAN frame

QCategory3DAxis

Used for manipulating an axis of a graph

QCategoryAxis

Allows putting a named ranges on the axis

QChar

16-bit Unicode character

QChart

Main chart API for Qt Charts

QChartView

Standalone charting widget

QCheckBox

Checkbox with a text label

QChildEvent

Contains event parameters for child object events

QClipboard

Access to the window system clipboard

QCloseEvent

Contains parameters that describe a close event

QCocoaNativeContext

A class encapsulating a Cocoa NSOpenGLContext

QCocoaWindowFunctions

Inline class containing miscellaneous functionality for NSWindow and NSView window specific functionality

QCollator

Compares strings according to a localized collation algorithm

QCollatorSortKey

Can be used to speed up string collation

QColor

Colors based on RGB, HSV or CMYK values

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

QCommandLineOption

Defines a possible command-line option

QCommandLineParser

Means for handling the command line options

QCommandLinkButton

Vista style command link button

QCommonStyle

Encapsulates the common Look and Feel of a GUI

QCompass

Convenience wrapper around QSensor

QCompassFilter

Convenience wrapper around QSensorFilter

QCompassReading

Represents one reading from a compass

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

QContiguousCache

Template class that provides a contiguous cache

QCoreApplication

Event loop for Qt applications without UI

QCryptographicHash

Way to generate cryptographic hashes

QCursor

Mouse cursor with an arbitrary shape

QCustom3DItem

For creating custom items to be added to a graph

QCustom3DLabel

For creating custom labels to be added to a graph

QCustom3DVolume

For creating volume rendered objects to be added to a graph

QDBusAbstractAdaptor

The base class of D-Bus adaptor classes

QDBusAbstractInterface

The base class for all D-Bus interfaces in the Qt D-Bus binding, allowing access to remote interfaces

QDBusArgument

Used to marshall and demarshall D-Bus arguments

QDBusConnection

Represents a connection to the D-Bus bus daemon

QDBusConnectionInterface

Access to the D-Bus bus daemon service

QDBusContext

Allows slots to determine the D-Bus context of the calls

QDBusError

Represents an error received from the D-Bus bus or from remote applications found in the bus

QDBusInterface

Proxy for interfaces on remote objects

QDBusMessage

Represents one message sent or received over the D-Bus bus

QDBusObjectPath

Enables the programmer to identify the OBJECT_PATH type provided by the D-Bus typesystem

QDBusPendingCall

Refers to one pending asynchronous call

QDBusPendingCallWatcher

Convenient way for waiting for asynchronous replies

QDBusPendingReply

Contains the reply to an asynchronous method call

QDBusReply

Stores the reply for a method call to a remote object

QDBusServer

Peer-to-peer communication between processes on the same computer

QDBusServiceWatcher

Allows the user to watch for a bus service change

QDBusSignature

Enables the programmer to identify the SIGNATURE type provided by the D-Bus typesystem

QDBusUnixFileDescriptor

Holds one Unix file descriptor

QDBusVariant

Enables the programmer to identify the variant type provided by the D-Bus typesystem

QDBusVirtualObject

Used to handle several DBus paths with one class

QDataStream

Serialization of binary data to a QIODevice

QDataWidgetMapper

Mapping between a section of a data model to widgets

QDate

Date functions

QDateEdit

Widget for editing dates based on the QDateTimeEdit widget

QDateTime

Date and time functions

QDateTimeAxis

Used for manipulating chart's axis

QDateTimeEdit

Widget for editing dates and times

QDebug

Output stream for debugging information

QDebugStateSaver

Convenience class for custom QDebug operators

QDesignerActionEditorInterface

Allows you to change the focus of Qt Designer's action editor

QDesignerContainerExtension

Allows you to add pages to a custom multi-page container in Qt Designer's workspace

QDesignerCustomWidgetCollectionInterface

Allows you to include several custom widgets in one single library

QDesignerCustomWidgetInterface

Enables Qt Designer to access and construct custom widgets

QDesignerDynamicPropertySheetExtension

Allows you to manipulate a widget's dynamic properties in Qt Designer's property editor

QDesignerFormEditorInterface

Allows you to access Qt Designer's various components

QDesignerFormWindowCursorInterface

Allows you to query and modify a form window's widget selection, and in addition modify the properties of all the form's widgets

QDesignerFormWindowInterface

Allows you to query and manipulate form windows appearing in Qt Designer's workspace

QDesignerFormWindowManagerInterface

Allows you to manipulate the collection of form windows in Qt Designer, and control Qt Designer's form editing actions

QDesignerMemberSheetExtension

Allows you to manipulate a widget's member functions which is displayed when configuring connections using Qt Designer's mode for editing signals and slots

QDesignerObjectInspectorInterface

Allows you to change the focus of Qt Designer's object inspector

QDesignerPropertyEditorInterface

Allows you to query and manipulate the current state of Qt Designer's property editor

QDesignerPropertySheetExtension

Allows you to manipulate a widget's properties which is displayed in Qt Designer's property editor

QDesignerTaskMenuExtension

Allows you to add custom menu entries to Qt Designer's task menu

QDesignerWidgetBoxInterface

Allows you to control the contents of Qt Designer's widget box

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

QDir

Access to directory structures and their contents

QDirIterator

Iterator for directory entrylists

QDistanceFilter

Convenience wrapper around QSensorFilter

QDistanceReading

Holds distance reading in cm from the proximity sensor

QDistanceSensor

Convenience wrapper around QSensor

QDnsDomainNameRecord

Stores information about a domain name record

QDnsHostAddressRecord

Stores information about a host address record

QDnsLookup

Represents a DNS lookup

QDnsMailExchangeRecord

Stores information about a DNS MX record

QDnsServiceRecord

Stores information about a DNS SRV record

QDnsTextRecord

Stores information about a DNS TXT record

QDockWidget

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

QDomAttr

Represents one attribute of a QDomElement

QDomCDATASection

Represents an XML CDATA section

QDomCharacterData

Represents a generic string in the DOM

QDomComment

Represents an XML comment

QDomDocument

Represents an XML document

QDomDocumentFragment

Tree of QDomNodes which is not usually a complete QDomDocument

QDomDocumentType

The representation of the DTD in the document tree

QDomElement

Represents one element in the DOM tree

QDomEntity

Represents an XML entity

QDomEntityReference

Represents an XML entity reference

QDomImplementation

Information about the features of the DOM implementation

QDomNamedNodeMap

Contains a collection of nodes that can be accessed by name

QDomNode

The base class for all the nodes in a DOM tree

QDomNodeList

List of QDomNode objects

QDomNotation

Represents an XML notation

QDomProcessingInstruction

Represents an XML processing instruction

QDomText

Represents text data in the parsed XML document

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

QDynamicPropertyChangeEvent

Contains event parameters for dynamic property change events

QEGLNativeContext

A class encapsulating an EGL context and display handle

QEasingCurve

Easing curves for controlling animation

QEglFSFunctions

Inline class containing platform-specific functionality for the eglfs platform plugin that is typically used on systems running Embedded Linux or Android

QElapsedTimer

Fast way to calculate elapsed times

QEnableSharedFromThis

A base class that allows obtaining a QSharedPointer for an object already managed by a shared pointer

QEnterEvent

Contains parameters that describe an enter event

QErrorMessage

Error message display dialog

QEvent

The base class of all event classes. Event objects contain event parameters

QEventLoop

Means of entering and leaving an event loop

QEventLoopLocker

Means to quit an event loop when it is no longer needed

QEventTransition

QObject-specific transition for Qt events

QException

Base class for exceptions that can transferred across threads

QExplicitlySharedDataPointer

Represents a pointer to an explicitly shared object

QExposeEvent

Contains event parameters for expose events

QExtensionFactory

Allows you to create a factory that is able to make instances of custom extensions in Qt Designer

QExtensionManager

Extension management facilities for Qt Designer

QFile

Interface for reading from and writing to files

QFileDevice

Interface for reading from and writing to open files

QFileDialog

Dialog that allow users to select files or directories

QFileIconProvider

File icons for the QDirModel and the QFileSystemModel classes

QFileInfo

System-independent file information

QFileOpenEvent

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

QFileSelector

Convenient way of selecting file variants

QFileSystemModel

Data model for the local filesystem

QFileSystemWatcher

Interface for monitoring files and directories for modifications

QFinalState

Final state

QFlag

Helper data type for QFlags

QFlags

Type-safe way of storing OR-combinations of enum values

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

QFontInfo

General information about fonts

QFontMetrics

Font metrics information

QFontMetricsF

Font metrics information

QFormBuilder

Used to dynamically construct user interfaces from UI files at run-time

QFormLayout

Manages forms of input widgets and their associated labels

QFrame

The base class of widgets that can have a frame

QFuture

Represents the result of an asynchronous computation

QFutureIterator

Java-style const iterator for QFuture

QFutureSynchronizer

Convenience class that simplifies QFuture synchronization

QFutureWatcher

Allows monitoring a QFuture using signals and slots

QGLXNativeContext

A class encapsulating a GLXContext and related native handles

QGamepad

A gamepad device connected to a system

QGenericArgument

Internal helper class for marshalling arguments

QGenericMatrix

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

QGenericPlugin

Abstract base class for plugins

QGenericPluginFactory

Creates plugin drivers

QGenericReturnArgument

Internal helper class for marshalling arguments

QGeoAddress

Represents an address of a QGeoLocation

QGeoAreaMonitorInfo

Describes the parameters of an area or region to be monitored for proximity

QGeoAreaMonitorSource

Enables the detection of proximity changes for a specified set of coordinates

QGeoCircle

Defines a circular geographic area

QGeoCodeReply

Manages an operation started by an instance of QGeoCodingManager

QGeoCodingManager

Support for geocoding operations

QGeoCodingManagerEngine

Interface and convenience methods to implementers of QGeoServiceProvider plugins who want to provide support for geocoding operations

QGeoCoordinate

Defines a geographical position on the surface of the Earth

QGeoLocation

Represents basic information about a location

QGeoManeuver

Represents the information relevant to the point at which two QGeoRouteSegments meet

QGeoPositionInfo

Contains information gathered on a global position, direction and velocity at a particular point in time

QGeoPositionInfoSource

Abstract base class for the distribution of positional updates

QGeoPositionInfoSourceFactory

Factory class used as the plugin interface for external providers of positioning data

QGeoRectangle

Defines a rectangular geographic area

QGeoRoute

Represents a route between two points

QGeoRouteReply

Manages an operation started by an instance of QGeoRoutingManager

QGeoRouteRequest

Represents the parameters and restrictions which define a request for routing information

QGeoRouteSegment

Represents a segment of a route

QGeoRoutingManager

Support for geographic routing operations

QGeoRoutingManagerEngine

Interface and convenience methods to implementers of QGeoServiceProvider plugins who want to provide access to geographic routing information

QGeoSatelliteInfo

Contains basic information about a satellite

QGeoSatelliteInfoSource

Abstract base class for the distribution of satellite information updates

QGeoServiceProvider

Aggregates access to services which provide geographical information

QGeoServiceProviderFactory

Factory class used as the plugin interface for services related to geographical information

QGeoShape

Defines a geographic area

QGesture

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

QGestureEvent

The description of triggered gestures

QGestureRecognizer

The infrastructure for gesture recognition

QGlobalStatic

Used to implement a global static object

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

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

QGraphicsSvgItem

QGraphicsItem that can be used to render the contents of SVG files

QGraphicsTextItem

Text item that you can add to a QGraphicsScene to display formatted text

QGraphicsTransform

Abstract base class for building advanced transformations on QGraphicsItems

QGraphicsVideoItem

Graphics item which display video produced by a QMediaObject

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

QGuiApplication

Manages the GUI application's control flow and main settings

QGyroscope

Convenience wrapper around QSensor

QGyroscopeFilter

Convenience wrapper around QSensorFilter

QGyroscopeReading

Represents one reading from the gyroscope sensor

QHBarModelMapper

Horizontal model mapper for bar series

QHBoxLayout

Lines up widgets horizontally

QHPieModelMapper

Horizontal model mapper for pie series

QHXYModelMapper

Horizontal model mapper for QXYSeries

QHash

Template class that provides a hash-table-based dictionary

QHashIterator

Java-style const iterator for QHash and QMultiHash

QHeaderView

Header row or header column for item views

QHeightMapSurfaceDataProxy

Base proxy class for Q3DSurface

QHelpContentItem

Item for use with QHelpContentModel

QHelpContentModel

Model that supplies content to views

QHelpContentWidget

Tree view for displaying help content model items

QHelpEngine

Access to contents and indices of the help engine

QHelpEngineCore

The core functionality of the help system

QHelpEvent

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

QHelpIndexModel

Model that supplies index keywords to views

QHelpIndexWidget

List view displaying the QHelpIndexModel

QHelpSearchEngine

Access to widgets reusable to integrate fulltext search as well as to index and search documentation

QHelpSearchQuery

Contains the field name and the associated search term

QHelpSearchQueryWidget

Simple line edit or an advanced widget to enable the user to input a search term in a standardized input mask

QHelpSearchResultWidget

Either a tree widget or a text browser depending on the used search engine to display the hits found by the search

QHideEvent

Event which is sent after a widget is hidden

QHistoryState

Means of returning to a previously active substate

QHolsterFilter

Convenience wrapper around QSensorFilter

QHolsterReading

Holds readings from the holster sensor

QHolsterSensor

Convenience wrapper around QSensor

QHorizontalBarSeries

Series for creating horizontal bar chart

QHorizontalPercentBarSeries

Series for creating horizontal percent bar chart

QHorizontalStackedBarSeries

Series for creating horizontal stacked bar chart

QHostAddress

IP address

QHostInfo

Static functions for host name lookups

QHoverEvent

Contains parameters that describe a mouse event

QHttpMultiPart

Resembles a MIME multipart message to be sent over HTTP

QHttpPart

Holds a body part to be used inside a HTTP multipart MIME message

QIODevice

The base interface class of all I/O devices in Qt

QIRProximityFilter

Convenience wrapper around QSensorFilter

QIRProximityReading

Holds readings from the IR proximity sensor

QIRProximitySensor

Convenience wrapper around QSensor

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

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

QImageEncoderControl

Access to the settings of a media service that performs image encoding

QImageEncoderSettings

Set of image encoder settings

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

QInAppProduct

A product registered in the store

QInAppStore

Main entry point for managing in-app purchases

QInAppTransaction

Contains information about a transaction in the external app store

QInputDialog

Simple convenience dialog to get a single value from the user

QInputEvent

The base class for events that describe user input

QInputMethod

Access to the active text input method

QInputMethodEvent

Parameters for input method events

QInputMethodQueryEvent

Event sent by the input context to input objects

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

QItemModelBarDataProxy

Proxy class for presenting data in item models with Q3DBars

QItemModelScatterDataProxy

Proxy class for presenting data in item models with Q3DScatter

QItemModelSurfaceDataProxy

Proxy class for presenting data in item models with Q3DSurface

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

QJSEngine

Environment for evaluating JavaScript code

QJSValue

Acts as a container for Qt/JavaScript data types

QJSValueIterator

Java-style iterator for QJSValue

QJsonArray

Encapsulates a JSON array

QJsonDocument

Way to read and write JSON documents

QJsonObject

Encapsulates a JSON object

QJsonParseError

Used to report errors during JSON parsing

QJsonValue

Encapsulates a value in JSON

QKeyEvent

Describes a key event

QKeyEventTransition

Transition for key events

QKeySequence

Encapsulates a key sequence as used by shortcuts

QKeySequenceEdit

Allows to input a QKeySequence

QLCDNumber

Displays a number with LCD-like digits

QLabel

Text or image display

QLatin1Char

8-bit ASCII/Latin-1 character

QLatin1String

Thin wrapper around an US-ASCII/Latin-1 encoded string literal

QLayout

The base class of geometry managers

QLayoutItem

Abstract item that a QLayout manipulates

QLegend

Legend object

QLegendMarker

LegendMarker object

QLibrary

Loads shared libraries at runtime

QLibraryInfo

Information about the Qt library

QLightFilter

Convenience wrapper around QSensorFilter

QLightReading

Represents one reading from the light sensor

QLightSensor

Convenience wrapper around QSensor

QLine

Two-dimensional vector using integer precision

QLineEdit

One-line text editor

QLineF

Two-dimensional vector using floating point precision

QLineSeries

Used for making line charts

QLinearGradient

Used in combination with QBrush to specify a linear gradient brush

QLinkedList

Template class that provides linked lists

QLinkedListIterator

Java-style const iterator for QLinkedList

QList

Template class that provides lists

QListIterator

Java-style const iterator for QList and QQueue

QListView

List or icon view onto a model

QListWidget

Item-based list widget

QListWidgetItem

Item for use with the QListWidget item view class

QLocalServer

Local socket based server

QLocalSocket

Local socket

QLocale

Converts between numbers and their string representations in various languages

QLockFile

Locking between processes using a file

QLogValue3DAxisFormatter

Implements logarithmic value axis formatter

QLogValueAxis

Used for manipulating chart's axis

QLoggingCategory

Represents a category, or 'area' in the logging infrastructure

QLowEnergyAdvertisingData

Represents the data to be broadcast during Bluetooth Low Energy advertising

QLowEnergyAdvertisingParameters

Represents the parameters used for Bluetooth Low Energy advertising

QLowEnergyCharacteristic

Stores information about a Bluetooth Low Energy service characteristic

QLowEnergyCharacteristicData

Used to set up GATT service data

QLowEnergyConnectionParameters

Used when requesting or reporting an update of the parameters of a Bluetooth LE connection

QLowEnergyController

Access to Bluetooth Low Energy Devices

QLowEnergyDescriptor

Stores information about the Bluetooth Low Energy descriptor

QLowEnergyDescriptorData

Used to create GATT service data

QLowEnergyService

Represents an individual service on a Bluetooth Low Energy Device

QLowEnergyServiceData

Used to set up GATT service data

QMacCocoaViewContainer

Widget for OS X that can be used to wrap arbitrary Cocoa views (i.e., NSView subclasses) and insert them into Qt hierarchies

QMacNativeWidget

Widget for OS X that provides a way to put Qt widgets into Cocoa hierarchies

QMacPasteboardMime

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

QMacToolBar

Wraps the native NSToolbar class

QMacToolBarItem

Item for QMacToolBar

QMagnetometer

Convenience wrapper around QSensor

QMagnetometerFilter

Convenience wrapper around QSensorFilter

QMagnetometerReading

Represents one reading from the magnetometer

QMainWindow

Main application window

QMap

Template class that provides a red-black-tree-based dictionary

QMapIterator

Java-style const iterator for QMap and QMultiMap

QMargins

Defines the four margins of a rectangle

QMarginsF

Defines the four margins of a rectangle

QMaskGenerator

Abstract base for custom 32-bit mask generators

QMatrix4x4

Represents a 4x4 transformation matrix in 3D space

QMdiArea

Area in which MDI windows are displayed

QMdiSubWindow

Subwindow class for QMdiArea

QMediaAudioProbeControl

Allows control over probing audio data in media objects

QMediaAvailabilityControl

Supplies a control for reporting availability of a service

QMediaBindableInterface

The base class for objects extending media objects functionality

QMediaContainerControl

Access to the output container format of a QMediaService

QMediaContent

Access to the resources relating to a media content

QMediaControl

Base interface for media service controls

QMediaGaplessPlaybackControl

Access to the gapless playback related control of a QMediaService

QMediaNetworkAccessControl

Allows the setting of the Network Access Point for media related activities

QMediaObject

Common base for multimedia objects

QMediaPlayer

Allows the playing of a media source

QMediaPlayerControl

Access to the media playing functionality of a QMediaService

QMediaPlaylist

List of media content to play

QMediaRecorder

Used for the recording of media content

QMediaRecorderControl

Access to the recording functionality of a QMediaService

QMediaResource

Description of a media resource

QMediaService

Common base class for media service implementations

QMediaServiceCameraInfoInterface

Interface provides camera-specific information about devices supported by a camera service plug-in

QMediaServiceDefaultDeviceInterface

Interface identifies the default device used by a media service plug-in

QMediaServiceFeaturesInterface

Interface identifies features supported by a media service plug-in

QMediaServiceProviderPlugin

Interface provides an interface for QMediaService plug-ins

QMediaServiceSupportedDevicesInterface

Interface identifies the devices supported by a media service plug-in

QMediaServiceSupportedFormatsInterface

Interface identifies if a media service plug-in supports a media format

QMediaStreamsControl

Media stream selection control

QMediaTimeInterval

Represents a time interval with integer precision

QMediaTimeRange

Represents a set of zero or more disjoint time intervals

QMediaVideoProbeControl

Allows control over probing video frames in media objects

QMenu

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

QMenuBar

Horizontal menu bar

QMessageAuthenticationCode

Way to generate hash-based message authentication codes

QMessageBox

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

QMessageLogContext

Additional information about a log message

QMessageLogger

Generates log messages

QMetaClassInfo

Additional information about a class

QMetaDataReaderControl

Read access to the meta-data of a QMediaService's media

QMetaDataWriterControl

Write access to the meta-data of a QMediaService's media

QMetaEnum

Meta-data about an enumerator

QMetaMethod

Meta-data about a member function

QMetaObject

Contains meta-information about Qt objects

QMetaProperty

Meta-data about a property

QMetaType

Manages named types in the meta-object system

QMimeData

Container for data that records information about its MIME type

QMimeDatabase

Maintains a database of MIME types

QMimeType

Describes types of file or data, represented by a MIME type string

QModbusClient

The interface to send Modbus requests

QModbusDataUnit

Container class representing single bit and bit word entries in the Modbus register

QModbusDevice

The base class for Modbus classes, QModbusServer and QModbusClient

QModbusDeviceIdentification

Container class representing the physical and functional description of a Modbus server

QModbusExceptionResponse

Container class containing the function and error code inside a Modbus ADU

QModbusPdu

Abstract container class containing the function code and payload that is stored inside a Modbus ADU

QModbusReply

Contains the data for a request sent with a QModbusClient derived class

QModbusRequest

Container class containing the function code and payload that is stored inside a Modbus ADU

QModbusResponse

Container class containing the function code and payload that is stored inside a Modbus ADU

QModbusRtuSerialMaster

Represents a Modbus client that uses a serial bus for its communication with the Modbus server

QModbusRtuSerialSlave

Represents a Modbus server that uses a serial port for its communication with the Modbus client

QModbusServer

The interface to receive and process Modbus requests

QModbusTcpClient

The interface class for Modbus TCP client device

QModbusTcpServer

Represents a Modbus server that uses a TCP server for its communication with the Modbus client

QModelIndex

Used to locate data in a data model

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

QMultiHash

Convenience QHash subclass that provides multi-valued hashes

QMultiMap

Convenience QMap subclass that provides multi-valued maps

QMutableHashIterator

Java-style non-const iterator for QHash and QMultiHash

QMutableLinkedListIterator

Java-style non-const iterator for QLinkedList

QMutableListIterator

Java-style non-const iterator for QList and QQueue

QMutableMapIterator

Java-style non-const iterator for QMap and QMultiMap

QMutableSetIterator

Java-style non-const iterator for QSet

QMutableVectorIterator

Java-style non-const iterator for QVector and QStack

QMutex

Access serialization between threads

QMutexLocker

Convenience class that simplifies locking and unlocking mutexes

QNativeGestureEvent

Contains parameters that describe a gesture event

QNdefFilter

Filter for matching NDEF messages

QNdefMessage

NFC NDEF message

QNdefNfcSmartPosterRecord

NFC RTD-SmartPoster

QNdefNfcTextRecord

NFC RTD-Text

QNdefNfcUriRecord

NFC RTD-URI

QNdefRecord

NFC NDEF record

QNearFieldManager

Access to notifications for NFC events

QNearFieldShareManager

Manages all interactions related to sharing files and data over NFC

QNearFieldShareTarget

Transfers data to remote device over NFC

QNearFieldTarget

Interface for communicating with a target device

QNetworkAccessManager

Allows the application to send network requests and receive replies

QNetworkAddressEntry

Stores one IP address supported by a network interface, along with its associated netmask and broadcast address

QNetworkCacheMetaData

Cache information

QNetworkConfiguration

Abstraction of one or more access point configurations

QNetworkConfigurationManager

Manages the network configurations provided by the system

QNetworkCookie

Holds one network cookie

QNetworkCookieJar

Implements a simple jar of QNetworkCookie objects

QNetworkDiskCache

Very basic disk cache

QNetworkInterface

Listing of the host's IP addresses and network interfaces

QNetworkProxy

Network layer proxy

QNetworkProxyFactory

Fine-grained proxy selection

QNetworkProxyQuery

Used to query the proxy settings for a socket

QNetworkReply

Contains the data and headers for a request sent with QNetworkAccessManager

QNetworkRequest

Holds a request to be sent with QNetworkAccessManager

QNetworkSession

Control over the system's access points and enables session management for cases when multiple clients access the same access point

QNmeaPositionInfoSource

Positional information using a NMEA data source

QObject

The base class of all Qt objects

QObjectCleanupHandler

Watches the lifetime of multiple QObjects

QOffscreenSurface

Represents an offscreen surface in the underlying platform

QOpenGLBuffer

Functions for creating and managing OpenGL buffer objects

QOpenGLContext

Represents a native OpenGL context, enabling OpenGL rendering on a QSurface

QOpenGLContextGroup

Represents a group of contexts sharing OpenGL resources

QOpenGLDebugLogger

Enables logging of OpenGL debugging messages

QOpenGLDebugMessage

Wraps an OpenGL debug message

QOpenGLExtraFunctions

Cross-platform access to the OpenGL ES 3.0 and 3.1 API

QOpenGLFramebufferObject

Encapsulates an OpenGL framebuffer object

QOpenGLFramebufferObjectFormat

Specifies the format of an OpenGL framebuffer object

QOpenGLFunctions

Cross-platform access to the OpenGL ES 2.0 API

QOpenGLFunctions_1_0

All functions for OpenGL 1.0 specification

QOpenGLFunctions_1_1

All functions for OpenGL 1.1 specification

QOpenGLFunctions_1_2

All functions for OpenGL 1.2 specification

QOpenGLFunctions_1_3

All functions for OpenGL 1.3 specification

QOpenGLFunctions_1_4

All functions for OpenGL 1.4 specification

QOpenGLFunctions_1_5

All functions for OpenGL 1.5 specification

QOpenGLFunctions_2_0

All functions for OpenGL 2.0 specification

QOpenGLFunctions_2_1

All functions for OpenGL 2.1 specification

QOpenGLFunctions_3_0

All functions for OpenGL 3.0 specification

QOpenGLFunctions_3_1

All functions for OpenGL 3.1 specification

QOpenGLFunctions_3_2_Compatibility

All functions for OpenGL 3.2 compatibility profile

QOpenGLFunctions_3_2_Core

All functions for OpenGL 3.2 core profile

QOpenGLFunctions_3_3_Compatibility

All functions for OpenGL 3.3 compatibility profile

QOpenGLFunctions_3_3_Core

All functions for OpenGL 3.3 core profile

QOpenGLFunctions_4_0_Compatibility

All functions for OpenGL 4.0 compatibility profile

QOpenGLFunctions_4_0_Core

All functions for OpenGL 4.0 core profile

QOpenGLFunctions_4_1_Compatibility

All functions for OpenGL 4.1 compatibility profile

QOpenGLFunctions_4_1_Core

All functions for OpenGL 4.1 core profile

QOpenGLFunctions_4_2_Compatibility

All functions for OpenGL 4.2 compatibility profile

QOpenGLFunctions_4_2_Core

All functions for OpenGL 4.2 core profile

QOpenGLFunctions_4_3_Compatibility

All functions for OpenGL 4.3 compatibility profile

QOpenGLFunctions_4_3_Core

All functions for OpenGL 4.3 core profile

QOpenGLFunctions_4_4_Compatibility

All functions for OpenGL 4.4 compatibility profile

QOpenGLFunctions_4_4_Core

All functions for OpenGL 4.4 core profile

QOpenGLFunctions_4_5_Compatibility

All functions for OpenGL 4.5 compatibility profile

QOpenGLFunctions_4_5_Core

All functions for OpenGL 4.5 core profile

QOpenGLFunctions_ES2

All functions for OpenGL ES 2

QOpenGLPaintDevice

Enables painting to an OpenGL context using QPainter

QOpenGLPixelTransferOptions

Describes the pixel storage modes that affect the unpacking of pixels during texture upload

QOpenGLShader

Allows OpenGL shaders to be compiled

QOpenGLShaderProgram

Allows OpenGL shader programs to be linked and used

QOpenGLTexture

Encapsulates an OpenGL texture object

QOpenGLTimeMonitor

Wraps a sequence of OpenGL timer query objects

QOpenGLTimerQuery

Wraps an OpenGL timer query object

QOpenGLVersionProfile

Represents the version and if applicable the profile of an OpenGL context

QOpenGLVertexArrayObject

Wraps an OpenGL Vertex Array Object

QOpenGLWidget

Widget for rendering OpenGL graphics

QOpenGLWindow

Convenience subclass of QWindow to perform OpenGL painting

QOrientationFilter

Convenience wrapper around QSensorFilter

QOrientationReading

Represents one reading from the orientation sensor

QOrientationSensor

Convenience wrapper around QSensor

QPageLayout

Describes the size, orientation and margins of a page

QPageSetupDialog

Configuration dialog for the page-related options on a printer

QPageSize

Describes the size and name of a defined page size

QPagedPaintDevice

Represents a paintdevice that supports multiple pages

QPaintDevice

The base class of objects that can be painted on with QPainter

QPaintDeviceWindow

Convenience subclass of QWindow that is also a QPaintDevice

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

QPair

Template class that stores a pair of items

QPalette

Contains color groups for each widget state

QPanGesture

Describes a panning gesture made by the user

QParallelAnimationGroup

Parallel group of animations

QPauseAnimation

Pause for QSequentialAnimationGroup

QPdfWriter

Class to generate PDFs that can be used as a paint device

QPen

Defines how a QPainter should draw lines and outlines of shapes

QPercentBarSeries

Series for creating percent bar chart

QPersistentModelIndex

Used to locate data in a data model

QPicture

Paint device that records and replays QPainter commands

QPieLegendMarker

QLegendMarker subclass for pie series

QPieSeries

Pie series API for Qt Charts

QPieSlice

Defines a slice in pie series

QPinchGesture

Describes a pinch gesture made by the user

QPixelFormat

Class for describing different pixel layouts in graphics buffers

QPixmap

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

QPixmapCache

Application-wide cache for pixmaps

QPlace

Represents a set of data about a place

QPlaceAttribute

Represents generic attribute information about a place

QPlaceCategory

Represents a category that a QPlace can be associated with

QPlaceContactDetail

Represents a contact detail such as a phone number or website url

QPlaceContent

Serves as the base class for rich content types

QPlaceContentReply

Manages a content retrieval operation started by an instance of QPlaceManager

QPlaceContentRequest

Represents the parameters of a content request

QPlaceDetailsReply

Manages a place details fetch operation started by an instance of QPlaceManager

QPlaceEditorial

Represents a publisher's article describing a place

QPlaceIcon

Represents an icon

QPlaceIdReply

Manages operations which return an identifier such as saving and removal operations of places and categories

QPlaceImage

Represents a reference to an image

QPlaceManager

The interface which allows clients to access places stored in a particular backend

QPlaceManagerEngine

Interface for implementers of QGeoServiceProvider plugins who want to provide access to place functionality

QPlaceMatchReply

Manages a place matching operation started by an instance of QPlaceManager

QPlaceMatchRequest

Used to find places from one manager that match those from another. It represents a set of request parameters

QPlaceProposedSearchResult

Represents a search result containing a proposed search

QPlaceRatings

Holds rating information about a place

QPlaceReply

Manages an operation started by an instance of QPlaceManager and serves as a base class for more specialized replies

QPlaceResult

Represents a search result containing a place

QPlaceReview

Represents a review of a place

QPlaceSearchReply

Manages a place search operation started by an instance of QPlaceManager

QPlaceSearchRequest

Represents the set of parameters for a search request

QPlaceSearchResult

The base class for search results

QPlaceSearchSuggestionReply

Manages a search suggestion operation started by an instance of QPlaceManager

QPlaceSupplier

Represents a supplier of a place or content associated with a place

QPlaceUser

Represents an individual user

QPlainTextDocumentLayout

Implements a plain text layout for QTextDocument

QPlainTextEdit

Widget that is used to edit and display plain text

QPlatformGraphicsBuffer

Windowsystem abstraction for native graphics buffers

QPlatformSurfaceEvent

Used to notify about native platform surface events

QPlatformSystemTrayIcon

Abstracts the system tray icon and interaction

QPluginLoader

Loads a plugin at run-time

QPoint

Defines a point in the plane using integer precision

QPointF

Defines a point in the plane using floating point precision

QPointer

Template class that provides guarded pointers to QObject

QPolarChart

Polar chart API for Qt Charts

QPolygon

Vector of points using integer precision

QPolygonF

Vector of points using floating point precision

QPressureFilter

Convenience wrapper around QSensorFilter

QPressureReading

Holds readings from the pressure sensor

QPressureSensor

Convenience wrapper around QSensor

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

QProcess

Used to start external programs and to communicate with them

QProcessEnvironment

Holds the environment variables that can be passed to a program

QProgressBar

Horizontal or vertical progress bar

QProgressDialog

Feedback on the progress of a slow operation

QPropertyAnimation

Animates Qt properties

QProximityFilter

Convenience wrapper around QSensorFilter

QProximityReading

Represents one reading from the proximity sensor

QProximitySensor

Convenience wrapper around QSensor

QProxyStyle

Convenience class that simplifies dynamically overriding QStyle elements

QPushButton

Command button

QQmlAbstractUrlInterceptor

Allows you to control QML file loading

QQmlApplicationEngine

Convenient way to load an application from a single QML file

QQmlComponent

Encapsulates a QML component definition

QQmlContext

Defines a context within a QML engine

QQmlEngine

Environment for instantiating QML components

QQmlError

Encapsulates a QML error

QQmlExpression

Evaluates JavaScript in a QML context

QQmlExtensionPlugin

Abstract base for custom QML extension plugins

QQmlFileSelector

A class for applying a QFileSelector to QML file loading

QQmlImageProviderBase

Used to register image providers in the QML engine

QQmlIncubationController

Instances drive the progress of QQmlIncubators

QQmlIncubator

Allows QML objects to be created asynchronously

QQmlListProperty

Allows applications to expose list-like properties to QML

QQmlListReference

Allows the manipulation of QQmlListProperty properties

QQmlNdefRecord

Implements the NdefRecord type in QML

QQmlNetworkAccessManagerFactory

Creates QNetworkAccessManager instances for a QML engine

QQmlParserStatus

Updates on the QML parser state

QQmlProperty

Abstracts accessing properties on objects created from QML

QQmlPropertyMap

Allows you to set key-value pairs that can be used in QML bindings

QQmlPropertyValueSource

Interface for property value sources such as animations and bindings

QQmlScriptString

Encapsulates a script and its context

QQuaternion

Represents a quaternion consisting of a vector and scalar

QQueue

Generic container that provides a queue

QQuickAsyncImageProvider

Interface for for asynchronous control of QML image requests

QQuickFramebufferObject

Convenience class for integrating OpenGL rendering using a framebuffer object (FBO) with Qt Quick

QQuickImageProvider

Interface for supporting pixmaps and threaded image requests in QML

QQuickImageResponse

Interface for asynchronous image loading in QQuickAsyncImageProvider

QQuickItem

The most basic of all visual items in Qt Quick

QQuickItemGrabResult

Contains the result from QQuickItem::grabToImage()

QQuickPaintedItem

Way to use the QPainter API in the QML Scene Graph

QQuickRenderControl

Mechanism for rendering the Qt Quick scenegraph onto an offscreen render target in a fully application-controlled manner

QQuickStyle

QQQuickStyle class allows configuring the application style

QQuickTextDocument

Access to the QTextDocument of QQuickTextEdit

QQuickTextureFactory

Interface for loading custom textures from QML

QQuickView

Window for displaying a Qt Quick user interface

QQuickWebEngineProfile

Web engine profile shared by multiple pages

QQuickWidget

Widget for displaying a Qt Quick user interface

QQuickWindow

The window for displaying a graphical QML scene

QRadialGradient

Used in combination with QBrush to specify a radial gradient brush

QRadioButton

Radio button with a text label

QRadioData

Interfaces to the RDS functionality of the system radio

QRadioDataControl

Access to the RDS functionality of the radio in the QMediaService

QRadioTuner

Interface to the systems analog radio device

QRadioTunerControl

Access to the radio tuning functionality of a QMediaService

QRasterPaintEngine

Enables hardware acceleration of painting operations in Qt for Embedded Linux

QRasterWindow

Convenience class for using QPainter on a QWindow

QRawFont

Access to a single physical instance of a font

QReadLocker

Convenience class that simplifies locking and unlocking read-write locks for read access

QReadWriteLock

Read-write locking

QRect

Defines a rectangle in the plane using integer precision

QRectF

Defines a rectangle in the plane using floating point precision

QRegExp

Pattern matching using regular expressions

QRegExpValidator

Used to check a string against a regular expression

QRegion

Specifies a clip region for a painter

QRegularExpression

Pattern matching using regular expressions

QRegularExpressionMatch

The results of a matching a QRegularExpression against a string

QRegularExpressionMatchIterator

Iterator on the results of a global match of a QRegularExpression object against a string

QRegularExpressionValidator

Used to check a string against a regular expression

QResizeEvent

Contains event parameters for resize events

QResource

Interface for reading directly from resources

QRgba64

Struct contains a 64-bit RGB color

QRotationFilter

Convenience wrapper around QSensorFilter

QRotationReading

Represents one reading from the rotation sensor

QRotationSensor

Convenience wrapper around QSensor

QRubberBand

Rectangle or line that can indicate a selection or a boundary

QRunnable

The base class for all runnable objects

QSGAbstractRenderer

Gives access to the scene graph nodes and rendering of a QSGEngine

QSGBasicGeometryNode

Serves as a baseclass for geometry based nodes

QSGClipNode

Implements the clipping functionality in the scene graph

QSGDynamicTexture

Serves as a baseclass for dynamically changing textures, such as content that is rendered to FBO's

QSGEngine

Allows low level rendering of a scene graph

QSGFlatColorMaterial

Convenient way of rendering solid colored geometry in the scene graph

QSGGeometry

Low-level storage for graphics primitives in the Qt Quick Scene Graph

QSGGeometryNode

Used for all rendered content in the scene graph

QSGMaterial

Encapsulates rendering state for a shader program

QSGMaterialShader

Represents an OpenGL shader program in the renderer

QSGMaterialType

Used as a unique type token in combination with QSGMaterial

QSGNode

The base class for all nodes in the scene graph

QSGOpacityNode

Used to change opacity of nodes

QSGOpaqueTextureMaterial

Convenient way of rendering textured geometry in the scene graph

QSGSimpleMaterial

Template generated class used to store the state used with a QSGSimpleMateralShader

QSGSimpleMaterialShader

Convenient way of building custom materials for the scene graph

QSGSimpleRectNode

Convenience class for drawing solid filled rectangles using scenegraph

QSGSimpleTextureNode

Provided for convenience to easily draw textured content using the QML scene graph

QSGTexture

Baseclass for textures used in the scene graph

QSGTextureMaterial

Convenient way of rendering textured geometry in the scene graph

QSGTextureProvider

Encapsulates texture based entities in QML

QSGTransformNode

Implements transformations in the scene graph

QSGVertexColorMaterial

Convenient way of rendering per-vertex colored geometry in the scene graph

QSaveFile

Interface for safely writing to files

QScatter3DSeries

Base series class for Q3DScatter

QScatterDataItem

Container for resolved data to be added to scatter graphs

QScatterDataProxy

Base proxy class for Q3DScatter

QScatterSeries

Used for making scatter charts

QScopedArrayPointer

Stores a pointer to a dynamically allocated array of objects, and deletes it upon destruction

QScopedPointer

Stores a pointer to a dynamically allocated object, and deletes it upon destruction

QScopedValueRollback

Resets a variable to its previous value on destruction

QScreen

Used to query screen properties

QScriptClass

Interface for defining custom behavior of (a class of) Qt Script objects

QScriptClassPropertyIterator

Iterator interface for custom Qt Script objects

QScriptContext

Represents a Qt Script function invocation

QScriptContextInfo

Additional information about a QScriptContext

QScriptEngine

Environment for evaluating Qt Script code

QScriptEngineAgent

Interface to report events pertaining to QScriptEngine execution

QScriptEngineDebugger

QScriptEngine debugger

QScriptExtensionPlugin

Abstract base for custom QScript extension plugins

QScriptProgram

Encapsulates a Qt Script program

QScriptString

Acts as a handle to "interned" strings in a QScriptEngine

QScriptSyntaxCheckResult

The result of a script syntax check

QScriptValue

Acts as a container for the Qt Script data types

QScriptValueIterator

Java-style iterator for QScriptValue

QScriptable

Access to the Qt Script environment from Qt C++ member functions

QScrollArea

Scrolling view onto another widget

QScrollBar

Vertical or horizontal scroll bar

QScrollEvent

Sent when scrolling

QScrollPrepareEvent

Sent in preparation of scrolling

QScroller

Enables kinetic scrolling for any scrolling widget or graphics item

QScrollerProperties

Stores the settings for a QScroller

QScxmlCppDataModel

C++ data model for a Qt SCXML state machine

QScxmlDataModel

The data model base class for a Qt SCXML state machine

QScxmlEcmaScriptDataModel

The ECMAScript data model for a Qt SCXML state machine

QScxmlError

Describes the errors returned by the Qt SCXML state machine when parsing an SCXML file

QScxmlEvent

Event for a Qt SCXML state machine

QScxmlEventFilter

Event filter for an SCXML state machine

QScxmlNullDataModel

The null data model for a Qt SCXML stateMachine

QScxmlParser

Parser for SCXML files

QScxmlStateMachine

Interface to the state machines created from SCXML files

QSemaphore

General counting semaphore

QSensor

Represents a single hardware sensor

QSensorBackend

Sensor implementation

QSensorBackendFactory

Instantiates instances of QSensorBackend

QSensorChangesInterface

The pure virtual interface to sensor plugins

QSensorFilter

Efficient callback facility for asynchronous notifications of sensor changes

QSensorGesture

Represents one or more sensor gesture recognizers

QSensorGestureManager

Manages sensor gestures, registers and creates sensor gesture plugins

QSensorGesturePluginInterface

The pure virtual interface to sensor gesture plugins

QSensorGestureRecognizer

The base class for a sensor gesture recognizer

QSensorManager

Handles registration and creation of sensor backends

QSensorPluginInterface

The pure virtual interface to sensor plugins

QSensorReading

Holds the readings from the sensor

QSequentialAnimationGroup

Sequential group of animations

QSequentialIterable

Iterable interface for a container in a QVariant

QSerialPort

Provides functions to access serial ports

QSerialPortInfo

Provides information about existing serial ports

QSessionManager

Access to the session manager

QSet

Template class that provides a hash-table-based set

QSetIterator

Java-style const iterator for QSet

QSettings

Persistent platform-independent application settings

QSharedData

Base class for shared data objects

QSharedDataPointer

Represents a pointer to an implicitly shared object

QSharedMemory

Access to a shared memory segment

QSharedPointer

Holds a strong reference to a shared pointer

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

QSignalBlocker

Exception-safe wrapper around QObject::blockSignals()

QSignalMapper

Bundles signals from identifiable senders

QSignalSpy

Enables introspection of signal emission

QSignalTransition

Transition based on a Qt signal

QSimpleXmlNodeModel

Implementation of QAbstractXmlNodeModel sufficient for many common cases

QSize

Defines the size of a two-dimensional object using integer point precision

QSizeF

Defines the size of a two-dimensional object using floating point precision

QSizeGrip

Resize handle for resizing top-level windows

QSizePolicy

Layout attribute describing horizontal and vertical resizing policy

QSlider

Vertical or horizontal slider

QSocketNotifier

Support for monitoring activity on a file descriptor

QSortFilterProxyModel

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

QSound

Method to play .wav sound files

QSoundEffect

Way to play low latency sound effects

QSourceLocation

Identifies a location in a resource by URI, line, and column

QSpacerItem

Blank space in a layout

QSpinBox

Spin box widget

QSplashScreen

Splash screen that can be shown during application startup

QSplineSeries

Series type used to store data needed to draw a spline

QSplitter

Implements a splitter widget

QSplitterHandle

Handle functionality for the splitter

QSqlDatabase

Represents a connection to a database

QSqlDriver

Abstract base class for accessing specific SQL databases

QSqlDriverCreator

Template class that provides a SQL driver factory for a specific driver type

QSqlDriverCreatorBase

The base class for SQL driver factories

QSqlDriverPlugin

Abstract base for custom QSqlDriver plugins

QSqlError

SQL database error information

QSqlField

Manipulates the fields in SQL database tables and views

QSqlIndex

Functions to manipulate and describe database indexes

QSqlQuery

Means of executing and manipulating SQL statements

QSqlQueryModel

Read-only data model for SQL result sets

QSqlRecord

Encapsulates a database record

QSqlRelation

Stores information about an SQL foreign key

QSqlRelationalDelegate

Delegate that is used to display and edit data from a QSqlRelationalTableModel

QSqlRelationalTableModel

Editable data model for a single database table, with foreign key support

QSqlResult

Abstract interface for accessing data from specific SQL databases

QSqlTableModel

Editable data model for a single database table

QSslCertificate

Convenient API for an X509 certificate

QSslCertificateExtension

API for accessing the extensions of an X509 certificate

QSslCipher

Represents an SSL cryptographic cipher

QSslConfiguration

Holds the configuration and state of an SSL connection

QSslEllipticCurve

Represents an elliptic curve for use by elliptic-curve cipher algorithms

QSslError

SSL error

QSslKey

Interface for private and public keys

QSslPreSharedKeyAuthenticator

Authentication data for pre shared keys (PSK) ciphersuites

QSslSocket

SSL encrypted socket for both clients and servers

QStack

Template class that provides a stack

QStackedBarSeries

Series for creating stacked bar chart

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

QStandardPaths

Methods for accessing standard paths

QState

General-purpose state for QStateMachine

QStateMachine

Hierarchical finite state machine

QStaticPlugin

Struct containing a reference to a static plugin instance together with its meta 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

QStorageInfo

Provides information about currently mounted storage and drives

QString

Unicode character string

QStringList

List of strings

QStringListModel

Model that supplies strings to views

QStringMatcher

Holds a sequence of characters that can be quickly matched in a Unicode string

QStringRef

Thin wrapper around QString substrings

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

QStyleHints

Contains platform specific hints and settings

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

QSupportedWritingSystems

Used when registering fonts with the internal Qt fontdatabase

QSurface

Abstraction of renderable surfaces in Qt

QSurface3DSeries

Base series class for Q3DSurface

QSurfaceDataItem

Container for resolved data to be added to surface graphs

QSurfaceDataProxy

Base proxy class for Q3DSurface

QSurfaceFormat

Represents the format of a QSurface

QSvgGenerator

Paint device that is used to create SVG drawings

QSvgRenderer

Used to draw the contents of SVG files onto paint devices

QSvgWidget

Widget that is used to display the contents of Scalable Vector Graphics (SVG) files

QSwipeGesture

Describes a swipe gesture made by the user

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

QSysInfo

Information about the system

QSystemSemaphore

General counting system semaphore

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

QTapFilter

Convenience wrapper around QSensorFilter

QTapGesture

Describes a tap gesture made by the user

QTapReading

Represents one reading from the tap sensor

QTapSensor

Convenience wrapper around QSensor

QTcpServer

TCP-based server

QTcpSocket

TCP socket

QTemporaryDir

Creates a unique directory for temporary use

QTemporaryFile

I/O device that operates on temporary files

QTest::QTouchEventSequence

Used to simulate a sequence of touch events

QTestEventList

List of GUI events

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

QTextBoundaryFinder

Way of finding Unicode text boundaries in a string

QTextBrowser

Rich text browser with hypertext navigation

QTextCharFormat

Formatting information for characters in a QTextDocument

QTextCodec

Conversions between text encodings

QTextCursor

Offers an API to access and modify QTextDocuments

QTextDecoder

State-based decoder

QTextDocument

Holds formatted text

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

QTextEncoder

State-based encoder

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 QAbstractTextDocumentLayout and its implementations

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

QTextStream

Convenient interface for reading and writing text

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

QThread

Platform-independent way to manage threads

QThreadPool

Manages a collection of QThreads

QThreadStorage

Per-thread data storage

QTileRules

The rules used to draw a pixmap or image split into nine segments

QTiltFilter

Convenience wrapper around QSensorFilter

QTiltReading

Holds readings from the tilt sensor

QTiltSensor

Convenience wrapper around QSensor

QTime

Clock time functions

QTimeEdit

Widget for editing times based on the QDateTimeEdit widget

QTimeLine

Timeline for controlling animations

QTimeZone

Converts between UTC and local time in a specific time zone

QTimer

Repetitive and single-shot timers

QTimerEvent

Contains parameters that describe a timer event

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

QTouch3DInputHandler

Basic touch display based input handler

QTouchDevice

Describes the device from which touch events originate

QTouchEvent

Contains parameters that describe a touch event

QTransform

Specifies 2D transformations of a coordinate system

QTranslator

Internationalization support for text output

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

QUdpSocket

UDP socket

QUiLoader

Enables standalone applications to dynamically create user interfaces at run-time using the information stored in UI files or specified in plugin paths

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

QUnhandledException

UnhandledException class represents an unhandled exception in a worker thread

QUrl

Convenient interface for working with URLs

QUrlQuery

Way to manipulate a key-value pairs in a URL's query

QUuid

Stores a Universally Unique Identifier (UUID)

QVBarModelMapper

Vertical model mapper for bar series

QVBoxLayout

Lines up widgets vertically

QVBoxPlotModelMapper

Vertical model mapper for box plot series

QVPieModelMapper

Vertical model mapper for pie series

QVXYModelMapper

Vertical model mapper for QXYSeries

QValidator

Validation of input text

QValue3DAxis

Used for manipulating an axis of a graph

QValue3DAxisFormatter

Base class for value axis formatters

QValueAxis

Used for manipulating chart's axis

QVarLengthArray

Low-level variable-length array

QVariant

Acts like a union for the most common Qt data types

QVariantAnimation

Abstract base class for animations

QVector

Template class that provides a dynamic array

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

QVectorIterator

Java-style const iterator for QVector and QStack

QVersionNumber

Contains a version number with an arbitrary number of segments

QVideoDeviceSelectorControl

Video device selector media control

QVideoEncoderSettings

Set of video encoder settings

QVideoEncoderSettingsControl

Access to the settings of a media service that performs video encoding

QVideoFilterRunnable

Represents the implementation of a filter that owns all graphics and computational resources, and performs the actual filtering or calculations

QVideoFrame

Represents a frame of video data

QVideoProbe

Allows you to monitor video frames being played or recorded

QVideoRendererControl

Media control for rendering video to a QAbstractVideoSurface

QVideoSurfaceFormat

Specifies the stream format of a video presentation surface

QVideoWidget

Widget which presents video produced by a media object

QVideoWidgetControl

Media control which implements a video widget

QVideoWindowControl

Media control for rendering video to a window

QWGLNativeContext

A class encapsulating a WGL context on Windows with desktop OpenGL (opengl32.dll)

QWaitCondition

Condition variable for synchronizing threads

QWaylandBufferRef

A class which holds a reference to a surface buffer

QWaylandClient

A client connecting to the QWaylandCompositor

QWaylandInputDevice

Access to keyboard, mouse and touch input

QWaylandKeyboard

Access to a keyboard device

QWaylandOutput

Access to a displayable area managed by the compositor

QWaylandPointer

Access to a pointer device

QWaylandQuickItem

A Qt Quick item representing a QWaylandView

QWaylandQuickShellSurfaceItem

A Qt Quick item for QWaylandShellSurface

QWaylandSurface

A rectangular area which is displayed on an output device

QWaylandSurfaceGrabber

Allows to read the content of a QWaylandSurface

QWaylandTouch

Access to a touch device

QWaylandView

Represents a view of a surface on an output

QWaylandWlShell

Extension for desktop-style user interfaces

QWaylandWlShellSurface

A shell surface providing desktop-style compositor-specific features to a surface

QWaylandXdgPopup

An xdg popup providing menus for an xdg surface

QWaylandXdgSurface

An xdg surface providing desktop-style compositor-specific features to a surface

QWeakPointer

Holds a weak reference to a shared pointer

QWebChannel

Expose QObjects to remote HTML clients

QWebChannelAbstractTransport

Communication channel between the C++ QWebChannel server and a HTML/JS client

QWebEngineCertificateError

Information about a certificate error

QWebEngineContextMenuData

Context data for populating or extending a context menu with actions

QWebEngineCookieStore

Access to Chromium's cookies

QWebEngineDownloadItem

Information about a download

QWebEngineFullScreenRequest

Enables accepting or rejecting requests for entering and exiting the fullscreen mode

QWebEngineHistory

Represents the history of a web engine page

QWebEngineHistoryItem

Represents one item in the history of a web engine page

QWebEnginePage

Object to view and edit web documents

QWebEngineProfile

Web engine profile shared by multiple pages

QWebEngineScript

Encapsulates a JavaScript program

QWebEngineScriptCollection

Represents a collection of user scripts

QWebEngineSettings

Object to store the settings used by QWebEnginePage

QWebEngineUrlRequestInfo

Information about URL requests

QWebEngineUrlRequestInterceptor

Abstract base class for URL interception

QWebEngineUrlRequestJob

Represents a custom URL request

QWebEngineUrlSchemeHandler

Base class for handling custom URL schemes

QWebEngineView

Widget that is used to view and edit web documents

QWebSocket

Implements a TCP socket that talks the WebSocket protocol

QWebSocketCorsAuthenticator

Authenticator object for Cross Origin Requests (CORS)

QWebSocketServer

Implements a WebSocket-based server

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

QWinEventNotifier

Support for the Windows Wait functions

QWinJumpList

Represents a transparent wrapper around Windows Jump Lists

QWinJumpListCategory

Represents a jump list category

QWinJumpListItem

Represents a jump list item

QWinMime

Maps open-standard MIME to Window Clipboard formats

QWinTaskbarButton

Represents the Windows taskbar button for a top-level window (Windows 7 and newer)

QWinTaskbarProgress

Represents a progress indicator in the Windows taskbar

QWinThumbnailToolBar

Allows manipulating the thumbnail toolbar of a window

QWinThumbnailToolButton

Represents a button in a thumbnail toolbar

QWindow

Represents a window in the underlying windowing system

QWindowStateChangeEvent

The window state before a window state change

QWindowsWindowFunctions

Inline class containing miscellaneous functionality for Windows window specific functionality

QWizard

Framework for wizards

QWizardPage

The base class for wizard pages

QWriteLocker

Convenience class that simplifies locking and unlocking read-write locks for write access

QX11Info

Provides information about the X display configuration

QXYLegendMarker

QLegendMarker subclass for QXYSeries

QXYSeries

Base class for line, spline and scatter series

QXcbWindowFunctions

Inline class containing miscellaneous functionality for xcb window specific functionality

QXmlAttributes

XML attributes

QXmlContentHandler

Interface to report the logical content of XML data

QXmlDTDHandler

Interface to report DTD content of XML data

QXmlDeclHandler

Interface to report declaration content of XML data

QXmlDefaultHandler

Default implementation of all the XML handler classes

QXmlEntityResolver

Interface to resolve external entities contained in XML data

QXmlErrorHandler

Interface to report errors in XML data

QXmlFormatter

Implementation of QXmlSerializer for transforming XQuery output into formatted XML

QXmlInputSource

The input data for the QXmlReader subclasses

QXmlItem

Contains either an XML node or an atomic value

QXmlLexicalHandler

Interface to report the lexical content of XML data

QXmlLocator

The XML handler classes with information about the parsing position within a file

QXmlName

Represents the name of an XML node, in an efficient, namespace-aware way. QXmlName represents the name of an XML node in a way that is both efficient and safe for comparing names. Normally, an XML node represents an XML element or attribute, but QXmlName can also represent the names of other kinds of nodes, e.g., QAbstractXmlReceiver::processingInstruction() and QAbstractXmlReceiver::namespaceBinding()

QXmlNamePool

Table of shared strings referenced by instances of QXmlName

QXmlNamespaceSupport

Helper class for XML readers which want to include namespace support

QXmlNodeModelIndex

Identifies a node in an XML node model subclassed from QAbstractXmlNodeModel

QXmlParseException

Used to report errors with the QXmlErrorHandler interface

QXmlQuery

Performs XQueries on XML data, or on non-XML data modeled to look like XML

QXmlReader

Interface for XML readers (i.e. parsers)

QXmlResultItems

Iterates through the results of evaluating an XQuery in QXmlQuery

QXmlSchema

Loading and validation of a W3C XML Schema

QXmlSchemaValidator

Validates XML instance documents against a W3C XML Schema

QXmlSerializer

Implementation of QAbstractXmlReceiver for transforming XQuery output into unformatted XML

QXmlSimpleReader

Implementation of a simple XML parser

QXmlStreamAttribute

Represents a single XML attribute

QXmlStreamAttributes

Represents a vector of QXmlStreamAttribute

QXmlStreamEntityDeclaration

Represents a DTD entity declaration

QXmlStreamEntityResolver

Entity resolver for a QXmlStreamReader

QXmlStreamNamespaceDeclaration

Represents a namespace declaration

QXmlStreamNotationDeclaration

Represents a DTD notation declaration

QXmlStreamReader

Fast parser for reading well-formed XML via a simple streaming API

QXmlStreamWriter

XML writer with a simple streaming API

Qt3DCore::QAbstractAspect

The base class for aspects that provide a vertical slice of behavior

Qt3DCore::QAspectEngine

Responsible for handling all the QAbstractAspect subclasses that have been registered with the scene

Qt3DCore::QAspectJob

Base class for jobs executed in an aspect

Qt3DCore::QBackendNode

Base class for all Qt3D backend nodes

Qt3DCore::QBackendNodeMapper

Creates and maps backend nodes to their respective frontend nodes

Qt3DCore::QComponent

Base class of scene nodes that can be aggregated by Qt3DCore::QEntity instances as a component

Qt3DCore::QComponentAddedChange

Used to notify when a component is added to an entity

Qt3DCore::QComponentRemovedChange

Used to notify when a component is removed from an entity

Qt3DCore::QDynamicPropertyUpdatedChange

Used to notify when a dynamic property value is updated

Qt3DCore::QEntity

Qt3DCore::QEntity is a Qt3DCore::QNode subclass that can aggregate several Qt3DCore::QComponent instances that will specify its behavior

Qt3DCore::QNode

The base class of all Qt3D node classes used to build a Qt3D scene

Qt3DCore::QNodeCreatedChange

Used to notify when a node is created

Qt3DCore::QNodeCreatedChangeBase

The base class for all NodeCreated QSceneChange events

Qt3DCore::QNodeDestroyedChange

Used to notify when a node is destroyed

Qt3DCore::QNodeId

Uniquely identifies a QNode

Qt3DCore::QPropertyNodeAddedChange

Used to notify when a node is added to a property

Qt3DCore::QPropertyNodeRemovedChange

Used to notify when a node is removed from a property

Qt3DCore::QPropertyUpdatedChange

Used to notify when a property value is updated

Qt3DCore::QPropertyUpdatedChangeBase

The base class for all PropertyUpdated QSceneChange events

Qt3DCore::QPropertyValueAddedChange

Used to notify when a value is added to a property

Qt3DCore::QPropertyValueAddedChangeBase

The base class for all PropertyValueAdded QSceneChange events

Qt3DCore::QPropertyValueRemovedChange

Used to notify when a value is added to a property

Qt3DCore::QPropertyValueRemovedChangeBase

The base class for all PropertyValueRemoved QSceneChange events

Qt3DCore::QSceneChange

Base class for changes that can be sent and received by Qt3D's change notification system

Qt3DCore::QStaticPropertyUpdatedChangeBase

The base class for all static PropertyUpdated QSceneChange events

Qt3DCore::QStaticPropertyValueAddedChangeBase

The base class for all static PropertyValueAdded QSceneChange events

Qt3DCore::QStaticPropertyValueRemovedChangeBase

The base class for all static PropertyValueRemoved QSceneChange events

Qt3DCore::QTransform

Used to perform transforms on meshes

Qt3DCore::Quick::QQmlAspectEngine

Environment for the QAspectEngine and a method for instantiating QML components

Qt3DInput::QAbstractActionInput

The base class for the Action Input and all Aggregate Action Inputs

Qt3DInput::QAbstractAxisInput

QAbstractActionInput is the base class for all Axis Input

Qt3DInput::QAbstractPhysicalDevice

The base class used by Qt3d to interact with arbitrary input devices

Qt3DInput::QAction

Links a set of QAbstractActionInput that trigger the same event

Qt3DInput::QActionInput

Stores Device and Buttons used to trigger an input event

Qt3DInput::QAnalogAxisInput

An axis input controlled by an analog input The axis value is controlled like a traditional analog input such as a joystick

Qt3DInput::QAxis

Stores QAbstractAxisInputs used to trigger an input event

Qt3DInput::QAxisSetting

Stores settings for the specified list of Axis

Qt3DInput::QButtonAxisInput

An axis input controlled by buttons The axis value is controlled by buttons rather than a traditional analog input such as a joystick

Qt3DInput::QInputAspect

Responsible for creating physical devices and handling associated jobs

Qt3DInput::QInputChord

Represents a set of QAbstractActionInput's that must be triggerd at once

Qt3DInput::QInputSequence

Represents a set of QAbstractActionInput's that must be triggerd one after the other

Qt3DInput::QInputSettings

Stores settings for the specified eventSource

Qt3DInput::QKeyEvent

Event type send by KeyBoardHandler

Qt3DInput::QKeyboardDevice

In charge of dispatching keyboard events to attached QQKeyboardHandler objects

Qt3DInput::QKeyboardHandler

Provides keyboard event notification

Qt3DInput::QLogicalDevice

Allows the user to define a set of actions that they wish to use within an application

Qt3DInput::QMouseDevice

In charge of dispatching mouse events to attached QMouseHandler objects

Qt3DInput::QMouseEvent

Qt3DCore::QMouseEvent contains parameters that describe a mouse event

Qt3DInput::QMouseHandler

Provides a means of being notified about mouse events when attached to a QMouseDevice instance

Qt3DInput::QWheelEvent

Contains parameters that describe a mouse wheel event

Qt3DLogic::QFrameAction

Provides a way to have a synchronous function executed each frame

Qt3DLogic::QLogicAspect

Responsible for handling frame synchronization jobs

Qt3DRender::AssimpIO

Provides a generic way of loading various 3D assets format into a Qt3D scene

Qt3DRender::QAbstractLight

Encapsulate a QAbstractLight object in a Qt 3D scene

Qt3DRender::QAbstractTexture

A base class to be used to provide textures

Qt3DRender::QAbstractTextureImage

Encapsulates the necessary information to create an OpenGL texture image

Qt3DRender::QAlphaCoverage

A QAlphaCoverage class

Qt3DRender::QAttribute

Qt3DRender::QBlendEquationArguments

Encapsulates blending information

Qt3DRender::QBuffer

Qt3DRender::QCamera

Defines a view point through which the scene will be rendered

Qt3DRender::QCameraLens

Qt3DRender::QCameraLens specifies the projection matrix that will be used to define a Camera for a 3D scene

Qt3DRender::QCameraSelector

Class to allow for selection of camera to be used

Qt3DRender::QClearBuffers

Class to clear buffers

Qt3DRender::QClipPlane

Enables an additional OpenGL clipping plane that can be in shaders using gl_ClipDistance

Qt3DRender::QColorMask

Allows specifying which color components should be written to the currently bound frame buffer

Qt3DRender::QComputeCommand

QComputerCommand class

Qt3DRender::QDirectionalLight

Encapsulate a Directional Light object in a Qt 3D scene

Qt3DRender::QDispatchCompute

Allows a glDispatchCompute call to be issued to do work in a compute shader on the GPU

Qt3DRender::QDithering

Qt3DRender::QEffect

Base class for effects in a Qt 3D scene

Qt3DRender::QFilterKey

Storage for filter keys and their values

Qt3DRender::QFrameGraphNode

Base class of all FrameGraph configuration nodes

Qt3DRender::QFrustumCulling

If present, only tries to draw entities that are in the view of the camera. The camera is selected by a QCameraSelector frame graph node in the current hierarchy

Qt3DRender::QGeometry

Qt3DRender::QGeometryRenderer

Qt3DRender::QGraphicsApiFilter

Identifies the API required for the attached QTechnique

Qt3DRender::QLayer

..

Qt3DRender::QLayerFilter

Controls layers Drawn in a frame graph branch

Qt3DRender::QMaterial

Provides an abstract class that should be the base of all Material component classes in a scene

Qt3DRender::QMesh

A custom mesh

Qt3DRender::QNoDraw

When a QNoDraw node is present in a FrameGraph branch, this prevents the renderer from rendering any primitive

Qt3DRender::QObjectPicker

Instantiates a component that can be used to interact with a QEntity by a process known as picking

Qt3DRender::QParameter

Provides storage for a name and value pair

Qt3DRender::QPickEvent

Holds information when an object is picked

Qt3DRender::QPickTriangleEvent

Holds information when a triangle is picked

Qt3DRender::QPickingSettings

Specifies the current framegraph to be used by the renderer and specifies whether rendering is always active or updated only on changes

Qt3DRender::QPointLight

Encapsulate a Point Light object in a Qt 3D scene

Qt3DRender::QPointSize

Specifies the size of rasterized points. May either be set statically or by shader programs

Qt3DRender::QRenderAspect

Qt3DRender::QRenderPass

Encapsulates a Render Pass

Qt3DRender::QRenderPassFilter

Provides storage for vectors of Filter Keys and Parameters

Qt3DRender::QRenderSettings

Qt3DRender::QRenderStateSet

FrameGraph node offers a way of specifying a set of QRenderState objects to be applied during the execution of a framegraph branch

Qt3DRender::QRenderSurfaceSelector

Provides a way of specifying the render surface

Qt3DRender::QRenderTarget

Encapsulates a target (usually a frame buffer object) which the renderer can render into

Qt3DRender::QRenderTargetOutput

Allows the specification of an attachment of a render target (whether it is a color texture, a depth texture, etc... )

Qt3DRender::QRenderTargetSelector

Provides a way of specifying a render target

Qt3DRender::QSceneLoader

Provides the facility to load an existing Scene

Qt3DRender::QSeamlessCubemap

Enables seamless cubemap texture filtering. When present in a state set, enables the seamless cubemap texture filtering as provided by the GL_ARB_seamless_cubemap extension (if available)

Qt3DRender::QShaderData

Provides a way of specifying values of a Uniform Block or a shader structure

Qt3DRender::QShaderProgram

Encapsulates a Shader Program

Qt3DRender::QSortPolicy

Provides storage for the sort types to be used

Qt3DRender::QSpotLight

Encapsulate a Spot Light object in a Qt 3D scene

Qt3DRender::QStencilTest

Qt3DRender::QTechnique

Encapsulates a Technique

Qt3DRender::QTechniqueFilter

Provides storage for vectors of Filter Keys and Parameters

Qt3DRender::QTexture1D

A QAbstractTexture with a Target1D target format

Qt3DRender::QTexture1DArray

A QAbstractTexture with a Target1DArray target format

Qt3DRender::QTexture2D

A QAbstractTexture with a Target2D target format

Qt3DRender::QTexture2DArray

A QAbstractTexture with a Target2DArray target format

Qt3DRender::QTexture2DMultisample

A QAbstractTexture with a Target2DMultisample target format

Qt3DRender::QTexture2DMultisampleArray

A QAbstractTexture with a Target2DMultisampleArray target format

Qt3DRender::QTexture3D

A QAbstractTexture with a Target3D target format

Qt3DRender::QTextureBuffer

A QAbstractTexture with a TargetBuffer target format

Qt3DRender::QTextureCubeMap

A QAbstractTexture with a TargetCubeMap target format

Qt3DRender::QTextureCubeMapArray

A QAbstractTexture with a TargetCubeMapArray target format

Qt3DRender::QTextureData

Stores texture information such as the target, height, width, depth, layers, wrap, and if mipmaps are enabled

Qt3DRender::QTextureImage

Encapsulates the necessary information to create an OpenGL texture image from an image source

Qt3DRender::QTextureImageData

Stores data representing a texture

Qt3DRender::QTextureRectangle

A QAbstractTexture with a TargetRectangle target format

Qt3DRender::QTextureWrapMode

Defines the wrap mode a Qt3DRender::QAbstractTexture should apply to a texture

Qt3DRender::QViewport

A viewport on the Qt3D Scene

QtVirtualKeyboard::InputContext

Provides access to an input context

QtVirtualKeyboard::InputEngine

Input engine that supports C++ and QML integration

QtVirtualKeyboard::SelectionListModel

List model for selection lists

QtVirtualKeyboard::ShiftHandler

Manages the shift state

qoutputrange

Holds the specifics of an output range

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