bug#21326: 24.5; OS X, frame blank while resizing

bug#21326: 24.5; OS X, frame blank while resizing

[Brady Trainor]

In OS X, when resizing a frame, the window is blank. This also seems to occur while Emacs starts up.

--
Brady



In GNU Emacs 24.5.1 (x86_64-apple-darwin13.4.0, NS apple-appkit-1265.21)
 of 2015-04-10 on builder10-9.porkrind.org
Windowing system distributor `Apple', version 10.3.1348
Configured using:
 `configure --with-ns '--enable-locallisppath=/Library/Application
 Support/Emacs/${version}/site-lisp:/Library/Application
 Support/Emacs/site-lisp''

Important settings:
  value of $LC_ALL: en_US.UTF-8
  value of $LC_CTYPE: en_US.UTF-8
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Group

Minor modes in effect:
  gnus-undo-mode: t
  shell-dirtrack-mode: t
  global-auto-revert-mode: t
  winner-mode: t
  tooltip-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t

Recent messages:
Auto-saving...
Checking new news...
nnimap read 0k from <removed>
Reading active file via nndraft...done
Checking new news...done
Checking new news...
nnimap read 0k from <removed>
Reading active file via nndraft...done
Checking new news...done
Making completion list...

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/Users/iam/.emacs.d/elpa/org-20150817/org-ctags hides /Applications/Gnus.app/Contents/Resources/lisp/org/org-ctags
/Users/iam/.emacs.d/elpa/org-20150817/org-crypt hides /Applications/Gnus.app/Contents/Resources/lisp/org/org-crypt
/Users/iam/.emacs.d/elpa/org-20150817/org-compat hides /Applications/Gnus.app/Contents/Resources/lisp/org/org-compat
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/Users/iam/.emacs.d/elpa/org-20150817/ob hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob
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/Users/iam/.emacs.d/elpa/org-20150817/ob-sqlite hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-sqlite
/Users/iam/.emacs.d/elpa/org-20150817/ob-sql hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-sql
/Users/iam/.emacs.d/elpa/org-20150817/ob-shen hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-shen
/Users/iam/.emacs.d/elpa/org-20150817/ob-screen hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-screen
/Users/iam/.emacs.d/elpa/org-20150817/ob-scheme hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-scheme
/Users/iam/.emacs.d/elpa/org-20150817/ob-scala hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-scala
/Users/iam/.emacs.d/elpa/org-20150817/ob-sass hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-sass
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/Users/iam/.emacs.d/elpa/org-20150817/ob-ref hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-ref
/Users/iam/.emacs.d/elpa/org-20150817/ob-R hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-R
/Users/iam/.emacs.d/elpa/org-20150817/ob-python hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-python
/Users/iam/.emacs.d/elpa/org-20150817/ob-plantuml hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-plantuml
/Users/iam/.emacs.d/elpa/org-20150817/ob-picolisp hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-picolisp
/Users/iam/.emacs.d/elpa/org-20150817/ob-perl hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-perl
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/Users/iam/.emacs.d/elpa/org-20150817/ob-lob hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-lob
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/Users/iam/.emacs.d/elpa/org-20150817/ob-fortran hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-fortran
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/Users/iam/.emacs.d/elpa/org-20150817/ob-emacs-lisp hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-emacs-lisp
/Users/iam/.emacs.d/elpa/org-20150817/ob-dot hides /Applications/Gnus.app/Contents/Resources/lisp/org/ob-dot
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Features:
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advice help-fns info-look info easymenu package epg-config autorevert
filenotify windmove winner ring edmacro kmacro cl-loaddefs cl-lib
time-date tooltip electric uniquify ediff-hook vc-hooks
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hashtable-print-readable backquote make-network-process cocoa ns
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Memory information:
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bug#21326: 24.5; OS X, frame blank while resizing

[Eli Zaretskii]

> From: Brady Trainor <algebrat@uw.edu>
> Date: Sat, 22 Aug 2015 20:25:02 -0700
> 
> In OS X, when resizing a frame, the window is blank. This also seems to occur while Emacs starts up.

Resizing causes repeated complete redrawing of the frame, which begins
by clearing it.  The same happens at startup.  So I'm not sure this is
a bug.

bug#21326: 24.5; OS X, frame blank while resizing

[Alan Third]

Brady Trainor <algebrat@uw.edu> writes:

> In OS X, when resizing a frame, the window is blank. This also seems to occur while Emacs starts up.

This is now fixed in Emacs 28 on macOS 10.14 and above.
-- 
Alan Third