GNU bug report logs - #55779
29.0.50; child frame

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Message #44 received at 55779 <at> debbugs.gnu.org (full text, mbox):

From: drshapeless <drsl <at> drshapeless.com>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 55779 <at> debbugs.gnu.org
Subject: Re: bug#55779: 29.0.50; child frame
Date: Sun, 05 Jun 2022 11:55:58 +0800

Po Lu <luangruo <at> yahoo.com> writes:

> Thanks.  I didn't quite figure that out either.
>
> Does this also fix the problem?
>
> diff --git a/src/xterm.c b/src/xterm.c
> index 2bf37e94d6..7f9d4c6ff6 100644
> --- a/src/xterm.c
> +++ b/src/xterm.c
> @@ -4349,11 +4349,16 @@ x_update_opaque_region (struct frame *f, XEvent *configure)
>  		     (unsigned char *) &opaque_region, 4);
>    else
>      {
> -      object_class = G_OBJECT_GET_CLASS (FRAME_GTK_OUTER_WIDGET (f));
> -      class = GTK_WIDGET_CLASS (object_class);
> +      /* This causes child frames to not update correctly for an
> +	 unknown reason.  (bug#55779) */
> +      if (!FRAME_PARENT_FRAME (f))
> +	{
> +	  object_class = G_OBJECT_GET_CLASS (FRAME_GTK_OUTER_WIDGET (f));
> +	  class = GTK_WIDGET_CLASS (object_class);
>  
> -      if (class->style_updated)
> -	class->style_updated (FRAME_GTK_OUTER_WIDGET (f));
> +	  if (class->style_updated)
> +	    class->style_updated (FRAME_GTK_OUTER_WIDGET (f));
> +	}
>      }
>  #endif
>    unblock_input ();

Yes this also solves the bug. Weird.

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