* frame-pixel-width returns incorrect value (CVS Emacs on Windows XP)
@ 2008-09-07 4:00 Francis Litterio
2008-09-07 9:37 ` martin rudalics
0 siblings, 1 reply; 2+ messages in thread
From: Francis Litterio @ 2008-09-07 4:00 UTC (permalink / raw)
To: emacs-devel
Using CVS Emacs on Windows XP, evaluate the below form in a frame that
is _not_ currently 60 columns wide by 20 rows high. The values in the
resulting list are equal, but they should not be.
(let ((origwidth (frame-pixel-width (selected-frame))))
(modify-frame-parameters nil '((width . 60) (height . 20)))
;;(sit-for 0)
(list origwidth (frame-pixel-width (selected-frame))))
If you uncomment the call to sit-for, the values in the resulting list
are different (as they should be).
It appears that the second call to frame-pixel-width is unaware of the
change to the width of the frame made by modify-frame-parameters.
The same problem happens with frame-pixel-height. I don't know if this
is unique to Windows, since I don't have access to a Linux box right now.
--
Fran
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: frame-pixel-width returns incorrect value (CVS Emacs on Windows XP)
2008-09-07 4:00 frame-pixel-width returns incorrect value (CVS Emacs on Windows XP) Francis Litterio
@ 2008-09-07 9:37 ` martin rudalics
0 siblings, 0 replies; 2+ messages in thread
From: martin rudalics @ 2008-09-07 9:37 UTC (permalink / raw)
To: Francis Litterio; +Cc: emacs-devel
> Using CVS Emacs on Windows XP, evaluate the below form in a frame that
> is _not_ currently 60 columns wide by 20 rows high. The values in the
> resulting list are equal, but they should not be.
>
> (let ((origwidth (frame-pixel-width (selected-frame))))
> (modify-frame-parameters nil '((width . 60) (height . 20)))
> ;;(sit-for 0)
> (list origwidth (frame-pixel-width (selected-frame))))
>
> If you uncomment the call to sit-for, the values in the resulting list
> are different (as they should be).
>
> It appears that the second call to frame-pixel-width is unaware of the
> change to the width of the frame made by modify-frame-parameters.
>
> The same problem happens with frame-pixel-height. I don't know if this
> is unique to Windows, since I don't have access to a Linux box right now.
We could add something like
This is updated by redisplay, when it runs to completion.
Simply modifying a frame parameter does not update this value.
to the doc-string just as we do with `window-end'.
martin
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2008-09-07 9:37 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2008-09-07 4:00 frame-pixel-width returns incorrect value (CVS Emacs on Windows XP) Francis Litterio
2008-09-07 9:37 ` martin rudalics
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.