magdev
ed4db00a62
The aboutToQuit-based teardown wired in v0.1.2 only fires when something calls QCoreApplication::quit() — typically a window close. `kill -TERM` to the host process bypasses Qt entirely (no default SIGTERM handler), so teardownChild never ran on signal-driven shutdown. Local tests passed on lucky timing because PR_SET_PDEATHSIG made the kernel SIGTERM frankenphp once the host died, but the timing was racy and surfaced on CI as "frankenphp child PID outlived the host (supervisor didn't clean up)". Fix: install a SIGTERM/SIGINT handler in BackendConnection that uses the self-pipe pattern — the C signal handler writes one byte (the only truly async-signal-safe primitive), a QSocketNotifier on the read end calls QCoreApplication::quit() in the main thread, and aboutToQuit runs the existing teardownChild before app.exec() returns. The host now exits cleanly under `kill -TERM` from service managers, launchers, and the test harness. Also bumps the bundled-supervisor.sh first-relaunch grace from 2s to 3s — teardownChild itself waits up to 2s for frankenphp to finish after SIGTERM, so the host needs ~2.x seconds to exit. The graceful-shutdown step further down was already at 3s. No public-API change; production-correctness fix. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
php-qml
A framework for native desktop applications with a Symfony / FrankenPHP backend and a Qt / QML frontend, packaged as a single distributable per OS.
Status: Phase 5 / pre-v0.1.0. Phases 0–4a are merged (working framework, real POC, Linux AppImage, auto-update, release CI). macOS and Windows packaging are deferred to 4b/4c. See CHANGELOG.md.
What it is
php-qml lets a PHP developer write a desktop app using ordinary Symfony on the backend and ordinary QML on the frontend. The two halves run as a process pair inside one bundled binary:
- A Qt/QML host owns the window, input, and rendering.
- A bundled FrankenPHP child runs a Symfony app in worker mode.
- They communicate over a local socket — HTTP for commands and queries, Mercure SSE for state push.
It is not a PHP↔Qt language binding — the languages run in separate processes; the bridge is a wire protocol, not an FFI layer. That deliberately avoids the failure mode that left php-gtk and php-qt unmaintained.
60-second tour
git clone https://src.bundespruefstelle.ch/magdev/php-qml && cd php-qml
# Scaffold a fresh app
./bin/php-qml-init my-app
# Run it
cd my-app
make doctor # readiness check
make dev # FrankenPHP --watch + Qt host
Add a reactive resource (entity + REST controller + QML snippet) with one maker:
cd my-app/symfony
bin/console make:bridge:resource Todo
bin/console make:migration && bin/console doctrine:migrations:migrate -n
make dev opens the Qt window, connection state flips to Online, and the generated TodoList.qml shows a list whose ReactiveListModel is auto-subscribed to app://model/todo over Mercure. There is no handwritten cross-side glue.
For a non-trivial app with a multi-window test, crash-recovery test, and AppImage packaging, see examples/todo/.
Documentation
The full developer documentation lives under docs/:
- Getting started — prerequisites by distro, first project, troubleshooting.
- Architecture — process pair, transport, dev vs bundled mode.
- Update semantics — connection state machine, optimistic mutations, idempotency.
- Reactive models —
ReactiveListModel,ReactiveObject, Mercure dual-publish. - Makers —
make:bridge:resource/command/window. - Dev workflow — hot reload, dev console, editor setup,
bridge:doctor. - Bundled mode — supervisor, per-session secret rotation, first-launch migrations.
- Linux packaging —
make appimage, auto-update, performance budgets. - Configuration reference — env vars, CLI flags.
- QML API reference / PHP API reference — singletons, components, attributes, services.
Design rationale and roadmap live in PLAN.md. User-facing changes per release are in CHANGELOG.md.
Tech stack
PHP 8.4+ · Symfony 8 · Doctrine ORM 3 · FrankenPHP 1.12+ (worker mode) · Mercure · Qt 6.5+ · CMake · Composer · Gitea Actions
Roadmap
- Phase 0 ✅ throwaway transport spike.
- Phase 1 ✅ framework skeleton, dev mode, single-instance lock, CI quality gate.
- Phase 2 ✅ reactive models, update semantics, headline maker.
- Phase 3 ✅ POC todo app, integration + snapshot tests.
- Phase 4a ✅ bundled mode, Linux AppImage, release CI, AppImageUpdate.
- Phase 4b/4c ⏳ macOS / Windows packaging.
- Phase 5 🚧 DX polish — dev console, init script, hot-reload docs, v0.1.0 prep.
Contributing
Active development happens on the dev branch; main only carries release commits. Pull requests target dev.
cd framework/php && composer quality # PHPStan + cs-fixer + PHPUnit
cd examples/todo && make quality # adds qmllint + integration test
A dedicated CONTRIBUTING.md arrives with Phase 5's wrap-up.
Versioning
Semantic Versioning — MAJOR.MINOR.BUGFIX. Pre-v1.0.0, minor bumps may break public API.
License
To be decided before v0.1.0 is tagged. The framework's own code will be permissively licensed; Qt is shipped under LGPL with relinkability obligations — see PLAN.md §12.