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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Eli Zaretskii <eliz@gnu.org>
Cc: martin rudalics <rudalics@gmx.at>, spacibba@aol.com, emacs-devel@gnu.org
Subject: Re: Question about display engine
Date: Mon, 12 Aug 2019 18:18:52 -0400	[thread overview]
Message-ID: <jwvr25q6nfe.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <831rxqtnaf.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 12 Aug 2019 18:29:28 +0300")

>> IIUC the last one found by face_at_buffer_position that explicitly
>> specified a value for the attribute in question.  That is, the face
>> whose attribute is actually used by the display engine.
>
> Nitpicking: the display engine has no idea whose attributes it is
> using, see below.

I don't know enough of the display engine to say something intelligent,
I'm afraid, but my naive understanding is that the way "it should" work
is that the face used on the "rest of the line" should be computed by
merging the various faces that apply to the corresponding LF character
but where the new `extend-to-end-of-line` property is obeyed
(i.e. a face is skipped if that property is nil).  IOW the
extend-to-end-of-line property is applied *during* merging rather than
after it.

Most likely this can't be mapped to the way things are done, tho.


        Stefan




  reply	other threads:[~2019-08-12 22:18 UTC|newest]

Thread overview: 183+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-07  0:54 Question about display engine Ergus
2019-08-07 15:01 ` Eli Zaretskii
2019-08-07 15:32   ` Ergus
2019-08-07 15:45     ` Eli Zaretskii
2019-08-07 15:57       ` Ergus
2019-08-07 16:12         ` Eli Zaretskii
2019-08-07 16:25           ` martin rudalics
2019-08-07 16:41             ` Eli Zaretskii
2019-08-08  7:25               ` martin rudalics
2019-08-08  8:38                 ` Ergus
2019-08-08  8:45                   ` martin rudalics
2019-08-08  9:29                     ` Ergus
2019-08-08 13:05                       ` martin rudalics
2019-08-08 13:59                         ` Eli Zaretskii
2019-08-08 16:43                           ` Ergus
2019-08-08 17:50                             ` Eli Zaretskii
2019-08-08 22:37                               ` Ergus
2019-08-09  6:28                                 ` Eli Zaretskii
2019-08-09  9:08                                   ` Ergus
2019-08-09  9:40                                     ` Eli Zaretskii
2019-08-09 11:31                                       ` Ergus
2019-08-09 14:04                                         ` Eli Zaretskii
2019-08-09 15:09                                           ` Ergus
2019-08-09  8:59                             ` martin rudalics
2019-08-09  9:31                               ` Ergus
2019-08-09  9:38                               ` Ergus
2019-08-10 11:42                             ` Eli Zaretskii
2019-08-11  8:14                               ` martin rudalics
2019-08-09  8:59                           ` martin rudalics
2019-08-08 14:50                         ` Ergus
2019-08-09  8:59                           ` martin rudalics
2019-08-10 11:30                             ` Eli Zaretskii
2019-08-11  8:14                               ` martin rudalics
2019-08-11 14:13                                 ` Eli Zaretskii
2019-08-12  8:59                                   ` martin rudalics
2019-08-12 15:29                                     ` Eli Zaretskii
2019-08-12 22:18                                       ` Stefan Monnier [this message]
2019-08-13  8:17                                         ` martin rudalics
2019-08-13 15:32                                           ` Eli Zaretskii
2019-08-13 22:33                                             ` Stefan Monnier
2019-08-14  8:58                                             ` martin rudalics
2019-08-13  8:17                                       ` martin rudalics
2019-08-13 15:31                                         ` Eli Zaretskii
2019-08-14  8:58                                           ` martin rudalics
2019-08-14 15:14                                             ` Eli Zaretskii
2019-08-15  8:13                                               ` martin rudalics
2019-08-15 15:18                                                 ` Eli Zaretskii
2019-08-16  7:29                                                   ` martin rudalics
2019-08-16  8:34                                                     ` Eli Zaretskii
2019-08-17  8:25                                                       ` martin rudalics
2019-08-19 16:13                                                         ` Ergus
2019-08-19 16:50                                                           ` Eli Zaretskii
2019-08-19 21:30                                                             ` Ergus
2019-08-20 14:09                                                               ` Eli Zaretskii
2019-08-25 10:22                                                                 ` Ergus
2019-08-25 10:44                                                                   ` Eli Zaretskii
2019-08-26  4:31                                                                     ` Ergus
2019-08-26  7:45                                                                       ` Eli Zaretskii
2019-08-26  8:18                                                                         ` Ergus
2019-08-26  9:49                                                                           ` Eli Zaretskii
2019-08-27 22:20                                                                             ` Ergus
2019-08-28  8:35                                                                               ` martin rudalics
2019-08-28  9:07                                                                                 ` Eli Zaretskii
2019-08-28 12:19                                                                                   ` martin rudalics
2019-08-28 16:31                                                                                     ` Ergus
2019-08-28 17:24                                                                                       ` Eli Zaretskii
2019-08-28 18:19                                                                                         ` Ergus
2019-08-29 18:28                                                                                           ` Eli Zaretskii
2019-08-30  7:02                                                                                             ` martin rudalics
2019-08-30  7:26                                                                                               ` Eli Zaretskii
2019-08-30  9:34                                                                                             ` Ergus
2019-08-29  7:45                                                                                       ` martin rudalics
2019-08-28 17:21                                                                                     ` Eli Zaretskii
2019-08-29  7:45                                                                                       ` martin rudalics
2019-08-29 18:36                                                                                         ` Eli Zaretskii
2019-08-30  7:03                                                                                           ` martin rudalics
2019-08-30  8:48                                                                                             ` Eli Zaretskii
2019-08-31  7:29                                                                                               ` martin rudalics
2019-08-31  7:57                                                                                                 ` Eli Zaretskii
2019-09-01  8:14                                                                                                   ` martin rudalics
2019-09-01 12:26                                                                                                     ` Ergus
2019-09-02  8:36                                                                                                       ` martin rudalics
2019-09-02 11:05                                                                                                         ` Ergus
2019-09-02 16:18                                                                                                           ` Eli Zaretskii
2019-09-03  5:33                                                                                                             ` Ergus
2019-09-03  8:45                                                                                                               ` martin rudalics
2019-09-03 11:23                                                                                                                 ` Ergus
2019-09-03 12:17                                                                                                                   ` martin rudalics
2019-09-03 14:56                                                                                                                   ` Eli Zaretskii
2019-09-03  5:35                                                                                                             ` Ergus via Emacs development discussions.
2019-09-03  8:45                                                                                                             ` martin rudalics
2019-09-03 14:53                                                                                                               ` Eli Zaretskii
2019-09-03 16:41                                                                                                                 ` martin rudalics
2019-09-03 17:31                                                                                                                   ` Eli Zaretskii
2019-09-03 18:59                                                                                                                     ` martin rudalics
2019-09-04 18:33                                                                                                                       ` Ergus
2019-09-04 20:04                                                                                                                         ` martin rudalics
2019-09-04 20:19                                                                                                                           ` Ergus via Emacs development discussions.
2019-09-05  7:32                                                                                                                             ` martin rudalics
2019-09-05 13:54                                                                                                                               ` Ergus
2019-09-05 19:31                                                                                                                                 ` Ergus
     [not found]                                                                                                                           ` <1826922767.1725310.1567682307734@mail.yahoo.com>
2019-09-05 11:18                                                                                                                             ` Ergus
2019-08-21  7:37                                                           ` martin rudalics
2019-08-08 17:37                   ` Eli Zaretskii
2019-08-09 12:46                     ` martin rudalics
2019-08-10 11:25                       ` Eli Zaretskii
2019-08-10 23:04                         ` Stefan Monnier
2019-08-11  2:43                           ` Eli Zaretskii
2019-08-11  8:17                             ` martin rudalics
2019-08-11  8:11                         ` martin rudalics
2019-08-08 17:38                   ` Eli Zaretskii
2019-08-08  8:15               ` Ergus
2019-08-08  8:45                 ` martin rudalics
2019-08-08  9:17                   ` Ergus
2019-08-08 17:35                 ` Eli Zaretskii
2019-08-08 20:37                 ` Juri Linkov
2019-08-08 22:24                   ` Ergus
2019-08-09  6:42                     ` Eli Zaretskii
2019-08-09 17:54                     ` Juri Linkov
  -- strict thread matches above, loose matches on Subject: below --
2019-08-27 16:01 Keith David Bershatsky
     [not found] <318675867.1913640.1567711569517.ref@mail.yahoo.com>
2019-09-05 19:26 ` Ergus
2019-09-06  8:22   ` martin rudalics
2019-09-06  9:31     ` Ergus
2019-09-07  6:52       ` martin rudalics
2019-09-07  7:37         ` Eli Zaretskii
2019-09-07  7:55           ` Eli Zaretskii
2019-09-08  0:51             ` Ergus via Emacs development discussions.
2019-09-08  8:40               ` martin rudalics
2019-09-08 12:53                 ` Ergus
2019-09-09  7:39                   ` martin rudalics
2019-09-09 13:56                     ` Ergus
2019-09-09 16:00                     ` Eli Zaretskii
2019-09-09 17:08                       ` Ergus
2019-09-09 18:08                         ` Eli Zaretskii
2019-09-09 19:29                           ` Ergus
2019-09-10  2:27                             ` Eli Zaretskii
2019-09-12  3:37                               ` Ergus
2019-09-13  8:50                                 ` Eli Zaretskii
2019-09-08 17:51               ` Eli Zaretskii
2019-09-08 18:23                 ` Ergus
2019-09-14 20:42                   ` Ergus
2019-09-15  8:25                     ` martin rudalics
2019-09-15 11:26                       ` Ergus
2019-09-15 12:22                         ` martin rudalics
2019-09-15 14:28                           ` Stefan Monnier
2019-09-16  9:05                             ` martin rudalics
2019-09-15 15:32                     ` Eli Zaretskii
2019-09-15 21:42                       ` Ergus
2019-09-17  2:17                         ` Ergus
2019-09-17  9:48                           ` Eli Zaretskii
2019-09-21  8:20                             ` Eli Zaretskii
2019-09-21 13:57                               ` Ergus
2019-09-21 21:55                               ` Ergus
2019-09-26 16:32                                 ` Ergus
2019-09-28 10:35                                   ` Eli Zaretskii
2019-09-29 10:30                                     ` Ergus
2019-09-29 10:57                                       ` Eli Zaretskii
2019-10-07 15:40                                         ` Ergus
2019-10-09  9:02                                           ` Eli Zaretskii
2019-10-12 18:16                                             ` Ergus
2019-10-12 18:29                                               ` Eli Zaretskii
2019-09-06  8:55   ` Eli Zaretskii
2019-09-06 10:30     ` Ergus
2019-09-06 13:28       ` Eli Zaretskii
2019-09-06 16:34         ` Ergus
2019-09-06 18:12           ` Eli Zaretskii
2019-09-07  2:35             ` Ergus
2019-09-07  6:41               ` Eli Zaretskii
     [not found] <20191012222305.jpjinkd5y2lz6xiv@Ergus>
     [not found] ` <83mue5kmfx.fsf@gnu.org>
2019-10-13 15:40   ` Ergus
2019-10-13 16:06     ` Eli Zaretskii
2019-10-13 16:44       ` Ergus
2019-10-13 17:04         ` Eli Zaretskii
2019-10-13 18:11           ` Ergus
2019-10-13 18:25           ` Ergus
2019-10-13 18:53             ` Eli Zaretskii
2019-10-13 19:38               ` Ergus
2019-10-13 21:01                 ` Eli Zaretskii
2019-10-13 22:27                   ` Ergus
2019-10-14  8:26                     ` Eli Zaretskii
2019-10-20 22:20                       ` Ergus
2019-10-21  6:38                         ` Eli Zaretskii
2019-10-13 19:41               ` Ergus
2019-10-13 16:11     ` Eli Zaretskii

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