Commits on Apr 25, 2024

1. Set the desktop filename and app name of the Qt application …

   Currently, the app ID of the Dangerzone GUI application when running
   under Wayland is `python3`, which is not very useful if one wants to
   automate some action related to the Dangerzone application window (e.g.
   to always start Dangerzone window in floating mode under Sway WM).
   
   Setting the desktop filename property also sets the app ID of the
   application under Wayland. According to Qt documentation[1], the
   property value should be the name of the application's .desktop file but
   without the extension.
   
   Qt documentation also states:
   
   > This property gives a precise indication of what desktop entry
   > represents the application and it is needed by the windowing system to
   > retrieve such information without resorting to imprecise heuristics.
   
   Therefore I also think that setting this property is needed to display
   the correct application name and icon (taken from the .desktop entry)
   when running under certain windowing systems (like Wayland)
   (see also freedomofpress#402).
   
   Note that this property is not enough, as we've encountered systems
   where setting just the desktop file name does not alter the detected
   application name by the window manager. For this reason, we also use
   set the application name [2] to `dangerzone`, to remove any ambiguity.
   
   [1]: https://doc.qt.io/qt-6/qguiapplication.html#desktopFileName-prop
   [2]: https://doc.qt.io/qt-6/qcoreapplication.html#applicationName-prop
   
   Fixes freedomofpress#402

   

   naglis authored and apyrgio committed Apr 25, 2024
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