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From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Kangas <stefan@marxist.se>
Cc: 36633@debbugs.gnu.org, esq@lawlist.com
Subject: bug#36633: Scrolling by pixels: visible stretch glyphs overwrite header-line.
Date: Sat, 13 Jul 2019 11:39:45 +0300	[thread overview]
Message-ID: <83h87q1g6m.fsf@gnu.org> (raw)
In-Reply-To: <CADwFkmkROCUZJRXPWUDASHBZaCZ+9VGs6hyb1+aMyGid2KJOGg@mail.gmail.com> (message from Stefan Kangas on Sat, 13 Jul 2019 10:32:16 +0200)

> From: Stefan Kangas <stefan@marxist.se>
> Date: Sat, 13 Jul 2019 10:32:16 +0200
> Cc: Keith David Bershatsky <esq@lawlist.com>, 36633@debbugs.gnu.org
> 
> > > (progn
> > >   (find-library "simple")
> > >   (pixel-scroll-mode 1)
> > >   (re-search-forward "\t\t\t\t\t" nil t)
> > >   (set-window-start (selected-window) (match-beginning 0))
> > >   (setq header-line-format "hello-world")
> > >   (setq buffer-display-table (make-display-table))
> > >   (aset buffer-display-table
> > >         ?\t
> > >         (vector (make-glyph-code ?\u00BB 'font-lock-warning-face)
> > >                 (make-glyph-code ?\t 'highlight)))
> > >   (setq tab-width 8))
> > >
> > > Step 3:  Move the mousewheel downward one time; i.e., one ratchet.
> > >
> > > Step 4:  Observe the visible stretch glyphs overwriting the header-line.
> >
> > This doesn't happen to me on MS-Windows, so I think this is
> > Darwin-specific.
> >
> > Can someone try reproducing this on GNU/Linux and report?
> 
> I can't reproduce this here.

Thanks.  I guess this confirms that the problem is specific to macOS.





  reply	other threads:[~2019-07-13  8:39 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-13  2:10 bug#36633: Scrolling by pixels: visible stretch glyphs overwrite header-line Keith David Bershatsky
2019-07-13  6:19 ` Eli Zaretskii
2019-07-13  8:32   ` Stefan Kangas
2019-07-13  8:39     ` Eli Zaretskii [this message]
2019-07-14 10:39 ` Alan Third
2019-07-14 16:47 ` Keith David Bershatsky
2019-07-15 12:26   ` Tak Kunihiro
2019-07-16 20:38   ` Alan Third
2019-07-14 16:52 ` Keith David Bershatsky
2019-07-17  6:34 ` Keith David Bershatsky
2019-07-17 18:31   ` Alan Third
2019-07-17 19:08     ` Keith David Bershatsky
2019-07-17 23:31     ` Tak Kunihiro
2019-07-18  3:56 ` Keith David Bershatsky
2019-07-27 17:32   ` Alan Third

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