X11: WM_CLASS has an empty string property, partially

Arch Linux, X11, KDE Plasma, rioterm 0.2.19

I'm noticing that the tiling kwin script I use is not applying the keep-below attribute to rio, as it does all other tiled windows. I don't know what that's about. But in investigating, I noticed the following, for rio:

$ xprop|grep -i class  # (click on rio window)
WM_CLASS(STRING) = "", "rio"

I wonder if that has something to do with it. Either way, it doesn't look intentional.

Here are some other terminal results for comparison:

WM_CLASS(STRING) = "ghostty", "com.mitchellh.ghostty"
WM_CLASS(STRING) = "org.wezfurlong.wezterm", "org.wezfurlong.wezterm"
WM_CLASS(STRING) = "konsole", "konsole"

I see here that with_name is being passed an empty string for the instance parameter. Should that be "rio" instead?

Set WM_CLASS (fix #1155)

Fixed in #1229 🙏

run step with minimal lock and fix WM_CLASS (raphamorim#1229)

run step with minimal lock and fix WM_CLASS (#1229)

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X11: WM_CLASS has an empty string property, partially #1155

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X11: WM_CLASS has an empty string property, partially #1155

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AndydeCleyre commented on Jul 18, 2025

raphamorim commented on Jul 22, 2025

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