From: Bo Lin <bo@dreamsphere.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: rudalics@gmx.at, emacs-devel@gnu.org, dgutov@yandex.ru
Subject: Re: Layered display API
Date: Thu, 14 Aug 2014 12:42:51 -0400 [thread overview]
Message-ID: <87r40j9g50.fsf@dreamsphere.org> (raw)
In-Reply-To: <83zjf7gi23.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 14 Aug 2014 19:19:32 +0300")
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Bo Lin <bo@dreamsphere.org>
>> Cc: rudalics@gmx.at, emacs-devel@gnu.org, dgutov@yandex.ru
>> Date: Thu, 14 Aug 2014 12:08:20 -0400
>>
>> Eli Zaretskii <eliz@gnu.org> writes:
>>
>> >> >> > What I meant is this: if you need to display below the last line of
>> >> >> > the buffer text, put the overlay at EOB, and include newlines in the
>> >> >> > overlay string when you need to move to the next screen line. To
>> >> >> > align text horizontally you could use spaces or align-to display
>> >> >> > properties in the string.
>> >> >>
>> >> >> Yes, I might try this, as soon as there's some suggestion how to handle
>> >> >> the problem of `line-prefix' in this multi-overlay approach.
>> >> >
>> >> > Find the longest prefix and align everything so that the left edge
>> >> > keeps clear of that?
>> >>
>> >> Zero length overlays don't get displayed so this won't work when the
>> >> buffer is empty.
>> >
>> > When a buffer is empty, there are no line prefixes, right? Or did I
>> > misunderstand what you eman?
>>
>> I thought this was about avoid padding the buffer text with
>> newlines?
>
> Sorry, it wasn't clear, as the previous citations talked about both.
>
> So turning to the padding the buffer: it's not about padding with
> newlines, it's about including newlines in overlay string. After the
> newline, the overlay string would have the text to be displayed beyond
> the EOB.
Ah, I just realized the 'before/after-string properties does get
displayed even on zero length overlays. So yeah, this does work,
sorry for noise.
-Bo
next prev parent reply other threads:[~2014-08-14 16:42 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <86tx5r7l1j.fsf@yandex.ru>
[not found] ` <53E097F7.5050407@gmx.at>
[not found] ` <53E0ABF9.7070506@yandex.ru>
[not found] ` <8338dbqcai.fsf@gnu.org>
[not found] ` <53E14AF4.6050804@yandex.ru>
[not found] ` <83k36mpbxg.fsf@gnu.org>
2014-08-06 12:40 ` Layered display API (was: bug#18195: 24.3.92; window-screen-lines is not accurate) Dmitry Gutov
2014-08-06 17:19 ` Eli Zaretskii
2014-08-06 18:20 ` Alp Aker
2014-08-06 18:39 ` Eli Zaretskii
2014-08-06 20:48 ` Layered display API Stefan Monnier
2014-08-07 2:45 ` Eli Zaretskii
2014-08-06 20:49 ` Dmitry Gutov
2014-08-07 15:39 ` Eli Zaretskii
2014-08-11 1:14 ` Dmitry Gutov
2014-08-11 15:01 ` Eli Zaretskii
2014-08-13 2:42 ` Dmitry Gutov
2014-08-13 12:46 ` Stefan Monnier
2014-08-13 15:29 ` Eli Zaretskii
2014-08-13 16:27 ` Dmitry Gutov
2014-08-13 17:07 ` Eli Zaretskii
2014-08-13 17:45 ` Stefan Monnier
2014-08-13 15:28 ` Eli Zaretskii
2014-08-14 2:35 ` Dmitry Gutov
2014-08-14 2:53 ` Eli Zaretskii
2014-08-14 13:12 ` Dmitry Gutov
2014-08-14 15:20 ` Eli Zaretskii
2014-08-15 1:20 ` Dmitry Gutov
2014-08-15 6:39 ` Eli Zaretskii
2014-08-15 23:03 ` Dmitry Gutov
2014-08-16 7:41 ` Eli Zaretskii
2014-08-16 9:17 ` Dmitry Gutov
2014-08-14 2:06 ` Bo Lin
2014-08-14 2:49 ` Eli Zaretskii
2014-08-14 16:08 ` Bo Lin
2014-08-14 16:19 ` Eli Zaretskii
2014-08-14 16:42 ` Bo Lin [this message]
2014-08-06 20:56 ` Stefan Monnier
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