Qt Documentation

Qt 5.5
Qt Reference Pages

Qt Reference Pages

Class Lists

All Classes	If you know the name of the class you want, find it here.
All Classes by Module	A list of all C++ API components in Qt 5
All Modules	A list of all modules in Qt 5.
All Namespaces	A Qt namespace contains enum types, functions, and sometimes classes.
All QML APIs by Module	A list of all QML API in Qt 5
All QML Basic Types	A list of QML basic types in this Qt release.
All QML Types	A list of QML types in this Qt release.
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.
Obsolete QML Types	A list of obsolete QML types that should not be used in new code.

Function Lists

All Functions	All documented Qt functions listed alphabetically with a link to where each one is declared.
Endian Conversion Functions	The <QtEndian> header provides functions to convert between little and big endian representations of numbers.
Generic Algorithms	The <QtAlgorithms> header includes the generic, template-based algorithms.
Generic Math Functions	The <QtMath> header file provides various math functions.
Global Qt Declarations	The <QtGlobal> header file includes the fundamental global declarations. It is included by most other Qt header files.
Platform-Specific Functions	Exported functions for fine tuning Qt applications.

QML Reference

The QML Reference

Qt Tool Manuals

Value-Add Features

Platform Reference

Qt for Linux/X11	Platform support for Linux/X11.
Qt for OS X	Platform support for OS X.
Qt for Windows	Platform support for Windows.

© 2016 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.