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WM_CLASS (Wayland Application ID) not set correctly on Wayland on GNOME #2579

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aneesahmedpro opened this issue Apr 18, 2023 · 3 comments
Closed

WM_CLASS (Wayland Application ID) not set correctly on Wayland on GNOME #2579

aneesahmedpro opened this issue Apr 18, 2023 · 3 comments

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@aneesahmedpro
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aneesahmedpro commented Apr 18, 2023 •
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How to reproduce

  1. Log into a GNOME Wayland session.

  2. Run any Slint hello-world Rust program. Suppose that the app binary is named slint-app:
    ./slint-app

  3. Use GNOME Looking Glass to inspect the app window. Note that the WM_CLASS is null.

  4. Run it again, but this time without Wayland, so it falls back to XWayland or something:
    env WAYLAND_DISPLAY=foobar123 ./slint-app

  5. Again, Use the GNOME Looking Glass to inspect the app window. Note that the WM_CLASS is slint-app.

Side-effects

When packaged as an app, and shipped along with a slint-app.desktop launcher file and a slint-app-logo.png app icon, they GNOME fails to correctly associate them with the app process/window because of null WM_CLASS.

Bug environemnt

Operating System: Ubuntu 22.10, GNOME 43.1, Wayland
Slint version: 1.0.0
Rust version: 1.66.1
@aneesahmedpro
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aneesahmedpro commented Apr 18, 2023 •
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I"m a newbie when it comes to GUI libraries, but these links might be helpful:

@hunger
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hunger commented Apr 18, 2023

Thank you for your report.

I"ll close it as this issue duplicates #1332. That issue has an associated PR #1333, so I think it makes sense to stick with that.

@hunger hunger closed this as completed Apr 18, 2023
@aneesahmedpro
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Oh, good call, that one is the same issue. I somehow failed to find that one before.

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@hunger @aneesahmedpro