Platform Wranglers Meeting Notes

2023

Next

• Roundtable
  • New versions/changes in the underlying platform?
  • Current focus areas
  • Known problem areas
  • Features on the horizon
• Topics
  • QApplication without exec()

13. September 2023

• Introductions
  • Tor Arne - macOS,iOS,QPA
  • Morten - WASM
  • Oliver - Windows
  • Liang - X11
  • Assam - Android
  • David - Wayand
• Ways of working
  • Monthly meeting
  • Desktop/mobile platforms
• Roundtable
  • iOS
    • iOS 17 end of September
      • Things mostly work as before
    • Moving to FFMpeg for Qt Multimedia
    • Technical depth in window management, modern iOS has more advanced window/screen management
    • Exposing safe area margins properly as public Qt Quick API (anchors, etc)
  • macOS
    • macOS Sonoma end of September
      • No major changes, doing nightly builds, weeding out issues
      • One regression in Xcode 15, causing build failures with qmake
        • https://codereview.qt-project.org/c/qt/qtbase/+/503172
    • Key/text input, complex text, shortcut handling
    • Modern window look, blurred/effect windows, etc
  • WASM
    • Emscripten is the SDK
      • Follows Chrome release model (4-6 weeks)
      • No versions are “more stable” than others
      • Upgrade close to feature freeze to get latest fixes
    • 32-bit platform (one of our few)
    • Has a no-thread build option
    • Uses static linking
    • WASM64 is coming, looking at that
    • Dynamic linking is in the works
    • Major challenge is web platform is async, but Qt expects synchronous APIs
    • Complex text difficult
    • Accessibility difficult
• Topics
  • Keyboard input and shortcut handling
  • Custom window decorations