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bug#53900: 29.0.50; pgtk: Gtk-CRITICAL warning with customized default f
From: |
Po Lu |
Subject: |
bug#53900: 29.0.50; pgtk: Gtk-CRITICAL warning with customized default face |
Date: |
Thu, 10 Feb 2022 10:12:08 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) |
Stephen Berman <stephen.berman@gmx.net> writes:
> 0. emacs -Q
> 1. Sanity check: evaluating the following sexp displays a non-GTK
> tooltip and the shell emits no warning:
> (let (use-system-tooltips)
> (tooltip-show "Test"))
> 2. Evaluate this sexp:
> (custom-set-faces '(default ((t (:background "lightblue")))))
> 3. Evaluate the sexp in step 1 again:
> => A non-GTK tooltip is displayed and the shell emit a warning:
>
> emacs-pgtk:12321): Gtk-CRITICAL **: 17:05:36.422:
> gtk_css_provider_load_from_data: assertion 'GTK_IS_CSS_PROVIDER
> (css_provider)' failed
>
> In my tests this happens only when customizing the `default' face
> (though admittedly I haven't tested all faces nor all face attributes).
> It also happens when step 2 is replaced by loading any built-in theme
> (all of which customize the `default' face). (As a test I created a
> theme that does not customize the `default' face and with that theme did
> not get the warning.)
>
> My first pgtk-build that shows this warning is from commit
> dc5930ba973c9d921e9124b7afa1a65bba568b45. My previous pgtk-build at
> commit 988d3d79bac0343dd2b1b89d1b15470edbb5e6ac does not show the
> warning with the above recipe. Unfortunately, I don't have time now to
> do a git bisect to pinpoint the commit that causes the warning to be
> emitted.
>
> There is no warning if use-system-tooltips is non-nil. And there is no
> warning with the above recipe in a non-PGTK GTK3 build.
Should be fixed now on master. Thanks.