All Namespaces

This is a list of the main namespaces in Qt.

QBinaryJson

Contains functions for converting QJsonDocument to and from JSON binary format

QColorConstants

Contains QColor predefined constants

QDBus

Contains miscellaneous identifiers used throughout the Qt D-Bus module

QMqtt

Contains miscellaneous identifiers used throughout the Qt MQTT module

QNativeInterface

QOpcUa

Contains miscellaneous identifiers used throughout the Qt OPC UA library

QOpcUa::NodeIds

This namespace contains enums with known node ids

QPasswordDigestor

Contains functions which you can use to generate hashes or keys

QQuickOpenGLUtils

Contains utilities for Qt Quick when used with an OpenGL backend

QQuickTest

Contains all the functions and macros related to Qt Quick Test

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

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

QtCoap

Contains miscellaneous identifiers used throughout the Qt CoAP module

QtConcurrent

High-level APIs that make it possible to write multi-threaded programs without using low-level threading primitives

QtFuture

Contains miscellaneous identifiers used by the QFuture class

© 2021 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.