Qt

Purpose

Build cross-platform desktop (and embedded) applications using the Qt framework — QtWidgets for traditional desktop UIs, QtQuick/QML for fluid modern interfaces, with built-in networking, SQL, multimedia, and internationalization.

Agent Protocol

Trigger

Exact user phrases: "Qt", "QtWidgets", "QtQuick", "QML", "QObject", "signals and slots", "QMake", "CMake Qt", "QML application", "Qt Creator", "QML UI", "cross-platform Qt".

Input Context

• Qt version (Qt5 vs Qt6 — Qt6 for new projects)
• UI technology (QtWidgets vs QtQuick/QML)
• Build system (CMake with Qt6, qmake legacy)
• Platform targets (Windows, macOS, Linux, Android, iOS, embedded)
• Language (C++ primarily, Python via PySide6)
• Module requirements (QtCore, QtWidgets, QtQuick, QtNetwork, QtSql, QtMultimedia, QtCharts, QtWebEngine)
• Performance requirements (real-time rendering, large data models)