GNU bug report logs - #18347
24.3.93; Incomplete splash screen display on Cygwin-w32 build

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ken Brown <kbrown <at> cornell.edu>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#18347: closed (24.3.93; Incomplete splash screen display on
 Cygwin-w32 build)
Date: Fri, 29 Aug 2014 22:18:02 +0000

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Your message dated Fri, 29 Aug 2014 18:17:18 -0400
with message-id <5400FBEE.8090705 <at> cornell.edu>
and subject line Re: bug#18347: 24.3.93; Incomplete splash screen display on Cygwin-w32 build
has caused the debbugs.gnu.org bug report #18347,
regarding 24.3.93; Incomplete splash screen display on Cygwin-w32 build
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Ken Brown <kbrown <at> cornell.edu>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.93; Incomplete splash screen display on Cygwin-w32 build
Date: Thu, 28 Aug 2014 17:51:06 -0400

When I start up the Cygwin-w32 build of emacs, the image at the top of 
the splash screen often fails to display.  The following patch fixes it:

=== modified file 'lisp/startup.el'
--- lisp/startup.el     2014-07-08 09:17:09 +0000
+++ lisp/startup.el     2014-08-28 20:07:20 +0000
@@ -1812,7 +1812,7 @@
   (let (chosen-frame)
     ;; MS-Windows needs this to have a chance to make the initial
     ;; frame visible.
-    (if (eq system-type 'windows-nt)
+    (if (eq window-system 'w32)
        (sit-for 0 t))
     (dolist (frame (append (frame-list) (list (selected-frame))))
       (if (and (frame-visible-p frame)

Is this still OK for the native Windows build?  If so, is it OK to 
install it in the release branch?


In GNU Emacs 24.3.93.2 (x86_64-unknown-cygwin)
 of 2014-08-28 on moufang
Repository revision: 117464 rgm <at> gnu.org-20140828191824-o5hn2x503w527yhn
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --with-w32 --enable-checking=yes,glyphs 'CFLAGS=-g3 -O0''

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From: Ken Brown <kbrown <at> cornell.edu>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 18347-done <at> debbugs.gnu.org
Subject: Re: bug#18347: 24.3.93; Incomplete splash screen display on Cygwin-w32
 build
Date: Fri, 29 Aug 2014 18:17:18 -0400

Version: 24.3.94

> Basically, since creating a frame on w32 takes some time until the OS
> sets up the message pump for the new frame, Lisp code that creates a
> frame and immediately proceeds with manipulating the new frame might
> sometimes need sit-for to let the dust settle.

So it seems that the current bug probably has the same cause as 
bug#16014.  I've installed the fix (but using the window-system 
function) in the release branch as bzr revision 117465.

Ken

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