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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Alan Mackenzie <acm@muc.de>, emacs-devel@gnu.org
Subject: Re: Aborting display.  Is this possible?
Date: Mon, 20 Oct 2014 12:56:56 -0400	[thread overview]
Message-ID: <jwvvbne8yzi.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <8338aidbcq.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 20 Oct 2014 18:12:05 +0300")

> If, after processing this single PageDown key, the input queue is
> empty (as it is when you lean on the key, because Emacs finishes the
> above processing in less time than the auto-repeat interval), Emacs
> enters redisplay.

This is the case when processing the scroll-up-command takes less time
than the repeat rate.

> Now, what happens when you release the key?  The input queue is still
> full of unprocessed PageDown keys.

If processing a single scroll-up-command takes less time than the repeat
rate, the input queue should never have many unprocessed PageDown events
(that's the whole reason why we check the input queue before entering
redisplay).

So I still don't understand why we see this long delay when releasing
the key.


        Stefan



  reply	other threads:[~2014-10-20 16:56 UTC|newest]

Thread overview: 82+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-19 14:17 Aborting display. Is this possible? Alan Mackenzie
2014-10-19 14:32 ` David Kastrup
2014-10-19 14:54   ` Eli Zaretskii
2014-10-19 14:50 ` Eli Zaretskii
2014-10-19 15:42   ` Alan Mackenzie
2014-10-19 18:09     ` Eli Zaretskii
2014-10-20 11:09       ` Alan Mackenzie
2014-10-20 11:30         ` David Kastrup
2014-10-20 12:00           ` Alan Mackenzie
2014-10-20 15:15             ` Eli Zaretskii
2014-10-20 15:12         ` Eli Zaretskii
2014-10-20 16:56           ` Stefan Monnier [this message]
2014-10-20 17:10             ` Eli Zaretskii
2014-10-20 17:40               ` Eli Zaretskii
2014-10-20 18:57           ` Alan Mackenzie
2014-10-20 19:24             ` Eli Zaretskii
2014-10-20 21:08               ` Alan Mackenzie
2014-10-21  8:09                 ` David Kastrup
2014-10-21 10:58                   ` Alan Mackenzie
2014-10-21 11:04                     ` David Kastrup
2014-10-21 14:25                       ` Stefan Monnier
2014-10-21 14:01                   ` Stefan Monnier
2014-10-21 15:35                     ` Eli Zaretskii
2014-10-21 16:27                       ` Stefan Monnier
2014-10-22 18:28                         ` Stephen Leake
2014-10-22 20:10                           ` Stefan Monnier
2014-10-21 17:14                       ` Alan Mackenzie
2014-10-21 18:00                         ` Eli Zaretskii
2014-10-21 18:38                           ` Alan Mackenzie
2014-10-21 18:43                             ` Eli Zaretskii
2014-10-21 19:42                               ` Eli Zaretskii
2014-10-26 12:43                             ` Unfreezing the display during auto-repeated scrolling. [ Was: Aborting display. Is this possible? ] Alan Mackenzie
2014-10-26 16:45                               ` Eli Zaretskii
2014-10-26 20:03                                 ` Alan Mackenzie
2014-10-26 20:20                                   ` Eli Zaretskii
2014-10-26 20:42                                   ` Stefan Monnier
2014-10-26 22:15                                     ` Unfreezing the display during auto-repeated scrolling Alan Mackenzie
2014-10-27  1:03                                       ` Stefan Monnier
2014-10-27 14:28                                         ` Unfreezing the display during auto-repeated scrolling. Simpler approach Alan Mackenzie
2014-10-27 16:51                                           ` Eli Zaretskii
2014-10-27 19:13                                             ` David Engster
2014-10-27 19:26                                               ` Eli Zaretskii
2014-10-27 19:36                                                 ` David Engster
2014-10-27 19:38                                             ` Alan Mackenzie
2014-10-27 21:38                                               ` Stefan Monnier
2014-10-28 18:10                                                 ` Alan Mackenzie
2014-10-29  0:57                                                   ` Stefan Monnier
2014-10-29 14:14                                                     ` Eli Zaretskii
2014-10-29 14:52                                                       ` Alan Mackenzie
2014-10-29 15:37                                                         ` Eli Zaretskii
2014-10-29 16:59                                                         ` Stefan Monnier
2014-10-29 21:25                                                           ` Alan Mackenzie
2014-10-30  1:49                                                             ` Stefan Monnier
2014-10-30 22:09                                                               ` Alan Mackenzie
2014-10-31  3:06                                                                 ` Stefan Monnier
2014-10-31  7:55                                                                   ` Eli Zaretskii
2014-10-31 14:04                                                                     ` Stefan Monnier
2014-11-21 15:44                                                                       ` Alan Mackenzie
2014-11-23  9:51                                                                         ` Tassilo Horn
2014-11-23 10:40                                                                           ` Alan Mackenzie
2014-11-23 19:44                                                                             ` Tassilo Horn
2014-11-23 22:04                                                                               ` Alan Mackenzie
2014-11-24 11:34                                                                                 ` Tassilo Horn
2014-11-24 11:53                                                                                   ` David Kastrup
2014-11-24 16:00                                                                                     ` Alan Mackenzie
2014-11-24 14:37                                                                                 ` Stefan Monnier
2014-11-24 16:08                                                                                   ` Alan Mackenzie
2014-11-24 17:44                                                                                     ` Stefan Monnier
2014-10-27  3:36                                       ` Unfreezing the display during auto-repeated scrolling Eli Zaretskii
2014-10-27 10:05                                         ` Alan Mackenzie
2014-10-27 16:48                                           ` Eli Zaretskii
2014-10-27 22:46                                             ` Alan Mackenzie
2014-10-28  0:22                                               ` Stefan Monnier
2014-10-27  3:33                                     ` Unfreezing the display during auto-repeated scrolling. [ Was: Aborting display. Is this possible? ] Eli Zaretskii
2014-10-21 18:01                         ` Aborting display. Is this possible? Stefan Monnier
2014-10-21 15:40                 ` Eli Zaretskii
2014-10-21 17:00                 ` Michael Welsh Duggan
2014-10-21 18:25                   ` Alan Mackenzie
2014-10-20  1:59     ` Stefan Monnier
2014-10-20  2:45       ` Eli Zaretskii
  -- strict thread matches above, loose matches on Subject: below --
2014-10-20 17:18 grischka
2014-10-20 17:23 ` Eli Zaretskii

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