config: add toplevel-tag=TAG

Add support for the new xdg-toplevel-tag-v1 Wayland protocol, by
exposing a new config option, `toplevel-tag`, and a corresponding
command option, `--toplevel-tag` (in both `foot` and `footclient`).

This can help the compositor with session management, or custom window
rules.

Closes #2212
This commit is contained in:
Daniel Eklöf 2025-11-12 11:04:25 +01:00
parent c9abab0807
commit fc9625678f
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19 changed files with 113 additions and 6 deletions

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@ -22,6 +22,12 @@ const char version_and_features[] =
" -graphemes"
#endif
#if defined(HAVE_XDG_TOPLEVEL_TAG)
" +toplevel-tag"
#else
" -toplevel-tag"
#endif
#if !defined(NDEBUG)
" +assertions"
#else