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From: Ivan Cibrario Bertolotti <ivan.cibrario@polito.it>
To: Anders Lindgren <andlind@gmail.com>
Cc: 23462@debbugs.gnu.org, Alan Third <alan@idiocy.org>
Subject: bug#23462: 25.0.93; Crash on OS X when suspending main frame
Date: Tue, 10 May 2016 22:13:39 +0200	[thread overview]
Message-ID: <82D6EB3D-6383-430B-BBC9-DEC216F0C33A@polito.it> (raw)
In-Reply-To: <CABr8ebZPJ1fb=WSaNK6T-n8aBnV4h_=YesMUnfTdukHM520Jww@mail.gmail.com>

Hi Anders,

> On 10 May 2016, at 20:56, Anders Lindgren <andlind@gmail.com> wrote:
> 
> Hi Ivan and Alan!
> 
> I'm not sure that is the correct place for the patch.
> 
> Could you enable NSTRACE (by uncommenting the line defining NSTRACE_ENABLED in nsterm.h) and see which function calls `drawRect` (if possible). If that is in a function that is part of Emacs, it's better to check that the frame is visible higher up in the call chain.
> 
> You will have to start Emacs from a terminal window in order to see the trace output. You can do this by running "./nextstep/Emacs.app/Content/MacOS/Emacs”.

here is the relevant part of the trace output:

nsterm.m  : 1595: [ 6322]  x_iconify_frame
nsterm.m  : 6770: [ 6323]  | [EmacsView windowWillMiniaturize:]
nsterm.m  : 6735: [ 6324]  | [EmacsView windowDidResignKey:]
nsterm.m  : 1504: [ 6325]  | | ns_frame_rehighlight
nsterm.m  : 7121: [ 6326]  | [EmacsView windowDidMiniaturize:]
nsterm.m  : 7591: [ 6327]  | [EmacsView drawRect:(X:578 Y:4)/(W:15 H:472)]

If I understand it correctly, the top-level function involved (within nsterm.m) is x_iconify_frame.  The only explicit call pertinent to the issue that I see within it is:

[[view window] miniaturize: NSApp];

at nsterm.m:1615.  I think that the others, from windowWillMiniaturize to drawRect, are callbacks.  The reason why a miniaturize request triggers a drawRect escapes me at this time, but I’m definitely not an expert on this GUI.

Thank you and please let me know if I can be of further assistance.

Best regards,
Ivan






  reply	other threads:[~2016-05-10 20:13 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-05 21:25 bug#23462: 25.0.93; Crash on OS X when suspending main frame Ivan Cibrario Bertolotti
2016-05-08  9:53 ` Alan Third
2016-05-08 15:58   ` Eli Zaretskii
2016-05-08 16:56     ` Ivan Cibrario Bertolotti
2016-05-08 22:41 ` Alan Third
2016-05-09  8:49   ` Ivan Cibrario Bertolotti
2016-05-10 18:56 ` Anders Lindgren
2016-05-10 20:13   ` Ivan Cibrario Bertolotti [this message]
2016-05-10 21:57     ` Anders Lindgren
2016-05-10 22:08       ` Alan Third
2016-05-10 23:16       ` Alan Third
2016-05-11 22:28       ` Alan Third
2016-05-12  5:39         ` Anders Lindgren
2016-05-12 11:52           ` bug#23462: [PATCH] Block input while minimizing on NS (bug#23462) Alan Third
2016-05-12 16:38             ` Ivan Cibrario Bertolotti
2016-05-12 18:28               ` Anders Lindgren
2016-05-16 18:45                 ` Anders Lindgren

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