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From: martin rudalics <rudalics@gmx.at>
To: Robert Pluim <rpluim@gmail.com>
Cc: Feng Shu <tumashu@163.com>, emacs-devel@gnu.org
Subject: Re: Child-frame can not move to proper position when run "env GDK_SCALE=2 emacs"
Date: Wed, 10 Jan 2018 11:19:47 +0100	[thread overview]
Message-ID: <5A55E8C3.9090303@gmx.at> (raw)
In-Reply-To: <874lnvi9mm.fsf@gmail.com>

 >> So it's just the same issue as everywhere else.  Now I wonder whether
 >> the positions returned by `pos-visible-in-window-p' are wrong in this
 >> case or the values passed to `set-frame-position'.  Maybe that's just
 >> a philosphical question though.
 >
 > I guess you meant posn-at-point.

Which eventually falls back on `pos-visible-in-window-p', yes.

 > That returns the position in pixels,
 > unscaled, so I think it's correct.

Thus we can be sure that the caller of our position functions can
always contine to think in terms of unscaled positions so scaling is
"transparent"?

I think that after you fixed all this we should somewhere add a
paragraph to the Elisp manual explaining whether, why and how this
works.

martin



  reply	other threads:[~2018-01-10 10:19 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-08 11:53 Child-frame can not move to proper position when run "env GDK_SCALE=2 emacs" Feng Shu
2018-01-08 18:17 ` martin rudalics
2018-01-08 23:03   ` Feng Shu
2018-01-09  9:43     ` martin rudalics
2018-01-09 10:56       ` Robert Pluim
2018-01-10 10:19         ` martin rudalics [this message]
2018-01-10 13:45           ` Robert Pluim
2018-01-11 10:54             ` martin rudalics
2018-01-09 10:06     ` Robert Pluim
2018-01-10  0:52       ` Dmitry Gutov
2018-01-10 13:19         ` Stefan Monnier
2018-01-10 13:48           ` Robert Pluim
2018-01-10 14:27             ` Dmitry Gutov
2018-01-10 15:08               ` Robert Pluim
2018-01-10 15:36                 ` Dmitry Gutov
2018-01-10 15:58                   ` Robert Pluim
2018-01-10 16:24                     ` Dmitry Gutov
2018-01-10 10:19       ` martin rudalics
2018-01-10 13:35         ` Robert Pluim
2018-01-11 10:54           ` martin rudalics
2018-01-11  0:16         ` Dmitry Gutov

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