Custom layout icon missing from the input source switcher popup

[steve...@sil.org]

From: Laszlo Vass <laszl...@gmail.com>
Product: OTHER
Subject: Ukelele - Custom layout icon missing from the input source switcher popup

Dear Ukelele team,

I have created a custom keyboard layout with Ukelele, saved as a bundle containing a .keylayout file and an .icns icon, and installed in ~/Library/Keyboard Layouts/. The icon displays correctly in the menu bar input source selector. However, it does not appear in the small popup that shows when I switch layouts with the keyboard shortcut. Built-in layouts show their icons there.

While investigating, I found that Apple’s built-in layouts are stored in AppleKeyboardLayouts-L.dat, which also contains embedded binary plists with a TISIconLabels property. I understand from a thread on this group that this property is not supported in layout bundles. My questions are:

Is there any way to make the icon appear in the switcher popup for a layout installed as a bundle?
Is there any supported way to set TISIconLabels, or an equivalent, for a custom layout?
If not, is there a workaround, such as a different bundle structure or Info.plist key, that makes macOS show the icon or a text label in that popup?

I am using macOS 27.2, and would be glad to send the bundle if that helps.

Thank you for your work on Ukelele.

Kind regards,
Laszlo

[Laszlo sent this using the Contact us form at software.sil.org

[Gé van Gasteren]

Hi Laszlo,

I think you have done everything right if you have logged out after installing your .bundle file.

You could try removing it and installing it again using Ukelele's built-in Organiser, but that's just a guess.

It should be possible to get your icon in the list: On my Mac (with 27.2), holding down the shortcut for a second produces the following list, including one custom keyboard layout:

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