GNU bug report logs - #53839
29.0.50; Strange bug causes tool bar to be overwritten

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From: martin rudalics <rudalics <at> gmx.at>
To: Po Lu <luangruo <at> yahoo.com>, 53839 <at> debbugs.gnu.org
Subject: bug#53839: 29.0.50; Strange bug causes tool bar to be overwritten
Date: Mon, 7 Feb 2022 14:23:18 +0100

[Message part 1 (text/plain, inline)]

> On any Motif or Lucid build, start Emacs with `-q', making sure that the
> splash screen is displayed.  A single pixel at the bottom of the tool
> bar will be overwritten by the window underneath it, until the frame is
> resized again.
>
> If I comment out this part of xfns.c:
>
>        /* As long as tool_bar_resized is false, effectively try to change
> 	 F's native height.  */
>        if (NILP (fullscreen) || EQ (fullscreen, Qfullwidth))
> 	adjust_frame_size (f, FRAME_TEXT_WIDTH (f), FRAME_TEXT_HEIGHT (f),
> 			   1, false, Qtool_bar_lines);
>        else
>
> The problem goes away, but I can't figure out why that is.

I cannot reproduce that here, neither with the release branch nor with
master.  See the attached screenshot and notice one pixel between tool
bar and root window that comes from 'tool-bar-border'.

martin

[Lucid-master-emacs-q.png (image/png, attachment)]

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