- Qt 5.15
- All Namespaces
- Qt 5.15.12 Reference Documentation

# All Namespaces

This is a list of the main namespaces in Qt.

QAudio | Contains enums used by the audio classes
QBluetooth | Classes and functions related to Bluetooth
QColorConstants | Contains QColor predefined constants
QDBus | Contains miscellaneous identifiers used throughout the Qt D-Bus module
QGL | Specifies miscellaneous identifiers used in the Qt OpenGL module
QLocation | Contains miscellaneous identifiers used throughout the QtLocation module
QMediaMetaData | Provides identifiers for meta-data attributes
QMultimedia | Contains miscellaneous identifiers used throughout the Qt Multimedia library
QPasswordDigestor | Contains functions which you can use to generate hashes or keys
QPdf | Contains miscellaneous identifiers used throughout the QtPdf module
QQuickTest | Contains all the functions and macros related to Qt Quick Test
QScxmlExecutableContent | Contains various types used to interpret executable content in state machines
QSql | Contains miscellaneous identifiers used throughout the Qt SQL module
QSsl | Declares enums common to all SSL classes in Qt Network
QTest | Contains all the functions and declarations that are related to Qt Test
QWebSocketProtocol | Contains constants related to the WebSocket standard
Qt
Qt3DAnimation | Contains classes from the Qt3DAnimation module
Qt3DCore | Contains classes that are the foundation for Qt 3D simulation framework, as well as classes that provide the ability to render using the Qt 3D framework
Qt3DExtras | Contains classes from the Qt3DExtras module
Qt3DInput | Contains classes that enable user input
Qt3DLogic | Contains classes that enable frame synchronization
Qt3DLogic::Logic | Used to import and use the module's QML types
Qt3DRender | Contains classes that enable 2D and 3D rendering
Qt3DRender::Quick | Internal namespace to import QML types
Qt3DRender::Render | Namespace used for accessing the classes Renderer and QRenderPlugin
QtConcurrent | High-level APIs that make it possible to write multi-threaded programs without using low-level threading primitives
QtDataVisualization | Contains the classes and enumerations in the Qt Data Visualization module
QtMac | Contains miscellaneous functionality specific to the macOS and iOS operating systems
QtQml | Provides functions for producing logging messages for QML types
QtRemoteObjects | Contains identifiers used in the Remote Objects module, as well as some functions used from code generated by the Replica Compiler (repc)
QtWebView | Functions that makes it easier to set-up and use the WebView