Qt Reference Pages
If you know the name of the class you want, find it here.
A list of all C++ API components in Qt
A list of all modules in Qt 6.
A Qt namespace contains enum types, functions, and sometimes classes.
A list of QML basic types in this Qt release.
A list of all QML modules in Qt.
A list of QML types in this Qt release.
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.
If you know what kind of class you want (GUI, painting, I.O, etc), look here.
The C++ class inheritance hierarchy for all classes in the Qt API.
Classes and members marked obsolete that should not be used in new code.
A list of obsolete QML types that should not be used in new code.
Includes the generic, template-based algorithms
Functions to convert between little and big endian representations of numbers
File includes the fundamental global declarations. It is included by most other Qt header files
File provides various math functions
Helper functions for the Qt WebEngine Core module
All documented Qt functions listed alphabetically with a link to where each one is declared.
Provides 16-bit floating point support
Provides information about Android support in Qt.
Provides information about Embedded Linux support in Qt.
Platform support for INTEGRITY.
Platform support for Linux/X11.
Platform support for QNX is described here.
Platform support for Windows.
Provides insight into Qt's iOS port and how to use it.
Platform support for macOS.
Runs Qt applications in a secure sandbox in the browser.
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