Class and Function Documentation

Links to indexes and lists for finding class and function reference documentation.

Class Lists

All Classes

If you know the name of the class you want, find it here.

Annotated Class List

If you don't know the name of the class you want, but you know what the class should do, you might try looking here.

Groups Of Related Classes

If you know what kind of class you want (GUI, painting, I.O, etc), look here.

Inheritance Hierarchy

The C++ class inheritance hierarchy for all classes in the Qt API.

Obsolete Classes

Classes and members marked obsolete that should not be used in new code.

All Namespaces

A Qt namespace contains enum types, functions, and sometimes classes.

All Classes by Module

A list of all C++ API components in Qt 5

All QML APIs by Module

A list of all QML API in Qt 5

All Modules

A list of all modules in Qt 5.

Function Lists

All Functions

All documented Qt functions listed alphabetically with a link to where each one is declared.

Platform-Specific Functions

Exported functions for fine tuning Qt applications.

All Classes

If you know the name of the class you want, find it here.

Annotated Class List

If you don't know the name of the class you want, but you know what the class should do, you might try looking here.

Groups Of Related Classes

If you know what kind of class you want (GUI, painting, I.O, etc), look here.

Inheritance Hierarchy

The C++ class inheritance hierarchy for all classes in the Qt API.

Obsolete Classes

Classes and members marked obsolete that should not be used in new code.

All Namespaces

A Qt namespace contains enum types, functions, and sometimes classes.

All Classes by Module

A list of all C++ API components in Qt 5

All QML APIs by Module

A list of all QML API in Qt 5

All Modules

A list of all modules in Qt 5.