qt-flutter-embedder

Qt Flutter embedder for educational purposes and for playing with multi-window support.

Can be used to launch a 100% flutter app or to integrate flutter into an existing Qt app, in mixed mode.

Already working

• Mouse
• HDPI
• Multi-Window
• OpenGLES
• OpenGL (with a patched flutter engine)
• QWindow
• Platform Channels (Dart calling C++)

To-do

• Platform Channels (C++ calling Dart)
• Plugin registration
• Keyboard support
• Vulkan / Metal / D3D
• Integrate into QWidget or QtQuick

Instructions

git submodule update --init
flutter prefetch --linux
cmake --preset=dev
cmake --build build-dev
./build_example.sh
./build-dev/qtembedder -m -e examples/default_counter_app

Troubleshooting

• On Archlinux, use the gcc14 presets, gcc15 is not supported yet.

Licensing

Licensed as GPL-3, feel free to contact us for other licensing options.