Nt Documentation

A small, MIT-licensed, clean-room implementation of a subset of the Qt 6 API.

Modules

Nt Core C++ Classes	Core non-graphical classes: objects, signals, events, strings and containers.
Nt Network C++ Classes	Classes for TCP and UDP networking.
Nt GPIO C++ Classes	Classes for reading and driving general-purpose I/O lines.
Nt Serial Port C++ Classes	Classes for talking to serial devices.
Nt SQL C++ Classes	Classes for working with SQL databases.
Nt D-Bus C++ Classes	Classes for inter-process communication over D-Bus.
Nt HTTP Server C++ Classes	Classes for embedding an HTTP server in an application.
Nt WebSockets C++ Classes	Classes for WebSocket clients and servers.
Nt GUI C++ Classes	Windows, events, painting and images.
Nt Widgets C++ Classes	Widgets, layouts and styles for desktop user interfaces.
Nt SVG C++ Classes	Classes that draw SVG documents and write them.
Nt SVG Widgets C++ Classes	A widget that shows SVG documents.
Nt Charts C++ Classes	Line, area, scatter, bar and pie charts for dashboards and reports.
Nt OpenGL C++ Classes	Windows that render with OpenGL, QPainter on OpenGL, and framebuffer objects.
Nt Qml C++ Classes	A JavaScript engine for scripting applications, and the QML engine.
Nt FM C++ Classes	Real-time FM synthesis of game sound effects from patches of a few hundred bytes.
Nt FM QML Types	QML types for Nt FM: a sound is one declarative element.
Nt Concurrent C++ Classes	Functions that run code in the threads of a pool without using threads directly.
Nt Test C++ Classes	Unit testing: test functions, data-driven tests, signal spies and result logs.

Overviews

Installing Nt	Installing Nt from the .deb, .rpm and pacman packages for Ubuntu, Enterprise Linux and Arch Linux.
Meta-Object System	How Nt describes classes at run time: introspection, properties and invoking by name.
Nt Brand Guide	How to use the Nt name and logo, including the Nt Development logo and version names.
Nt on Zephyr	Cross building Nt Core and Nt Network for a board that runs the Zephyr RTOS.
Signals and Slots	How Nt objects notify each other without knowing about each other.
The Nt Resource System	Compiling files into a program with ntrcc and reading them with QFile.
Thread Support in Nt	How threads, event loops and objects fit together in Nt Core.
Using Nt Charts	How to draw line, area, scatter, bar and pie charts, and show them in a widget.
Using Nt D-Bus	Connecting to a bus, exporting an object with an adaptor, calling it, receiving its signals, and the types that travel over D-Bus.
Using Nt FM	How to synthesise game sound effects with four-operator FM instead of shipping WAV files.
Using Nt GPIO	Naming a GPIO line, reading a push-to-talk switch, driving an LED, and getting permission on Linux.
Using Nt GUI	How to open a window, paint on it and handle input with Nt GUI.
Using Nt HTTP Server	Serving HTTP from an application: routes with typed path arguments, responses, streaming, HTTPS and local sockets.
Using Nt OpenGL	How to render with OpenGL in a window or offscreen, paint with QPainter through OpenGL, and control vsync.
Using Nt QML	How to declare objects in QML documents, bind their properties, and give QML your C++ types.
Using Nt Qml	How to run JavaScript in an application, and let scripts use its QObjects.
Using Nt SQL	How to connect to an SQL database, run statements with bound values, and show tables in models.
Using Nt SVG	How to draw SVG files, show them in a widget, and write what a painter draws as SVG.
Using Nt Serial Port	Finding, configuring and opening a serial port, reading and writing it, handling errors, and getting permission to use it on Linux.
Using Nt WebSockets	Connecting to a WebSocket server, accepting connections, messages, closing, TLS, and WebSockets on the port of an HTTP server.
Using Nt Widgets	How to build a user interface from widgets and layouts.
Writing Tests with Nt Test	How to write, build and run a test, and the macros Nt Test provides.

All classes (591)