GNU bug report logs - #76394
mouse-face property not working in tab-bar

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Message #62 received at 76394 <at> debbugs.gnu.org (full text, mbox):

From: Ship Mints <shipmints <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 76394 <at> debbugs.gnu.org, juri <at> linkov.net
Subject: Re: bug#76394: mouse-face property not working in tab-bar
Date: Fri, 28 Feb 2025 14:04:28 -0500

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On Fri, Feb 28, 2025 at 2:00 PM Eli Zaretskii <eliz <at> gnu.org> wrote:

> >
> > So we'll be super duper defensive, then.  Should I leave the "future"
> code in place after the assertion or do
> > you think it's easy enough to recreate if/when needed?
>
> I'd prefer to avoid testing for a condition that is always true.
>

I'll remove the code.  It's in the archive in older patches, if ever needed.

>    * lisp/tab-bar.el (tab-bar-tab-highlight): New face.
> >
> > I'll update.
> >
> >  But I have a question: why add this face if there's no code that uses
> >  it?  Or what did I miss?
> >
> >  > -  bool close_p;
> >  > -  enum draw_glyphs_face draw = DRAW_IMAGE_RAISED;
> >  > -  int rc;
> >  > +    Lisp_Object window = f->tab_bar_window;
> >  > +    struct window *w = XWINDOW (window);
> >  > +    Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
> >
> > The idea is that now that there's mouse-face support, people can
> customize a dedicated face for tab-bar
> > tabs.  This is in line with tab-line tabs and its highlight face.
>
> Sounds strange to me to have a face that no other code uses.  I would
> understand if this face was by default identical to the 'default'
> face, and was used by the tab bar.
>

I will ask Prot to theme this face in modus-themes so it will be used there.

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