Qt For WebAssembly

Session Summary

Tim talks about running Qt Code inside the browser using Web Assembly

Session Owners

Morten Sorvig

Notes

by Marcus Tillmanns

• Platform features supported today and "tomorrow"
  • Cookie support? Not out of the box, but you can call Javascript.
    • Calling javascript is done via emscripten API
  • QSettings is mapped to the browsers localstorage
  • Does QTemporaryFile work? It creates an in-memory file.
  • Saving and loading files only works via QFileDialog::getOpenFileContent / write...FileContent
• Demo of Slate running in the browser
• How is it tested?
  • "There is a test runner"
  • There are some tests in CI, its a work in progress
• Plugins / dynamic loading
  • If it works, could LGPL be added to the license?
• WebGPU - The state is flaky
  • Researched, but no real progress
  • Could we re-implement The WebGL streaming plugin in WebGPU
• Connect to host other than original source host?
  • Maybe possible with correct XSS settings
• WASI
  • Whats the state?
• Dynamic linking demo
  • "Works" in dev and 6.6
    • works only in one example :)
  • Sharing might work between different domains