From: Mohammad Hossein Bateni <bateni@gmail.com>
To: Hans Hagen <pragma@wxs.nl>
Cc: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: RTL section heads
Date: Tue, 12 Apr 2016 20:46:12 -0400 [thread overview]
Message-ID: <CAMHZ1dZ4uz+=kiHKxzXkB00vvBo-9j0fq5L05nNbB3LwiXfyzg@mail.gmail.com> (raw)
In-Reply-To: <CAMHZ1da+fGf02VuZxgmzAXxezhzNDTnYupnDyAWkQEMo4WoDKA@mail.gmail.com>
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Unfortunately when I use method=two for bidi, the numbers in the main body
are written from right to left. I'm starting to wonder whether it does
anything nontrivial at all.
\usemodule[simplefonts]
\setmainfont[ALM Fixed][features=arabic,range=arabic]
\setupdirections[bidi=global,method=two]
\setupalign[r2l]
\starttext
سال ۲۰۱۶
2016
\stoptext
I'm pretty sure this used to work (for example in version 2016.01.18
22:21). A similar piece of code is working fine on the website
<http://wiki.contextgarden.net/RTL>. I'm using CONTEXT version: 2016.04.01
13:01. I also verified that it is not working in version: 2016.04.10 23:52.
On Mon, Apr 11, 2016 at 11:47 AM, Mohammad Hossein Bateni <bateni@gmail.com>
wrote:
> Thanks, Hans! This does solve the problem with the list of numbers. And
> actually if I add a numberstyle field, I can the section heads the way I
> like. Here is the setup that worked. (I will update Wiki later.)
>
> \setupdirections[bidi=global,method=two]
> \setupalign[r2l]
>
> \def\LTR#1{{\lefttoright#1}}
> \def\leftpersiandecimals#1{\LTR{\persiandecimals{#1}}}
> \defineconversion[leftpersiandecimals][\leftpersiandecimals]
> \setuphead[chapter,title,section,subject]
> [conversion=leftpersiandecimals,numberstyle=\righttoleft]
>
> \defineseparatorset[dashsep][-,-,-,-]
> \setuphead[section][sectionseparatorset=dashsep]
>
> On Mon, Apr 11, 2016 at 10:46 AM, Hans Hagen <pragma@wxs.nl> wrote:
>
>> On 4/11/2016 4:25 AM, Mohammad Hossein Bateni wrote:
>>
>>> Hans & Wolfgang,
>>>
>>> Do you have suggestions here? How can I get the behavior I want for the
>>> section head numbers?
>>>
>>> In fact, the following may be quite relevant.
>>>
>>> \usemodule[simplefonts]
>>> \setmainfont[ALM Fixed][features=arabic,range=arabic]
>>>
>>> \setupdirections[bidi=global,method=default]
>>> \setupalign[r2l]
>>>
>>> \starttext
>>>
>>> اعداد ۱، ۲، ۳ و ۴ را در نظر بگیرید.
>>>
>>> اعداد 1، 2، 3 و 4 را در نظر بگیرید.
>>>
>>> اعداد 1, 2, 3 و 4 را در نظر بگیرید.
>>>
>>> \stoptext
>>>
>>>
>>> I expect the numbers 1, 2, 3 and 4 to appear in the same order from
>>> right to left. However, the visual order that I observe (regardless of
>>> whether I use Persian digits or English digits, or whether I use Persian
>>> or English commas) is 4, 1, 2, 3 (from left to right). Is this a bug in
>>> the bidi code? If so, are there any workarounds?
>>>
>>
>> method=two
>>
>> Thanks,
>>> Hossein
>>>
>>> On Fri, Apr 8, 2016 at 5:20 PM, Mohammad Hossein Bateni
>>> <bateni@gmail.com <mailto:bateni@gmail.com>> wrote:
>>>
>>> Hi,
>>>
>>> This is concerning an RTL text. I have one chapter and 10 sections
>>> under that. My goal is to achieve the following.
>>> 1) The number 10 should appear correctly with '1' visually to the
>>> left of '0'.
>>> 2) The chapter number should visually appear to the right of the
>>> section number.
>>> 3) Chapter and section numbers should be separated with a dash.
>>> (This is ignored in this email and I will follow up about it in
>>> another thread. To get a minimal working example, I also do not try
>>> to change the numbers to use Persian digits.)
>>>
>>> In particular, the headings will be visually something like the
>>> following (aligned to the right).
>>> elpmas 1
>>> txet 1-1
>>> txet 2-1
>>> txet 3-1
>>> ...
>>> txet 10-1
>>>
>>> Here's the first attempt.
>>>
>>> %% Attempt 1
>>> \setupalign[r2l]
>>>
>>> \starttext
>>> \placecontent
>>>
>>> \chapter{sample}
>>> \dorecurse{10}{\section{text}}
>>> \stoptext
>>>
>>> The result is:
>>> elpmas 1
>>> txet 1-1
>>> ...
>>> txet 01-1
>>>
>>>
>>> Then I add "\setupdirections[bidi=global,method=default]" to the
>>> beginning and I get the most strange result (number right-aligned
>>> but texts left-aligned):
>>> sample 1
>>> text 1.1
>>> ...
>>> text 1.10
>>>
>>>
>>> A third attempt gives almost what I want (without period as the
>>> separator).
>>>
>>> %% Attempt 3
>>> \setupalign[r2l]
>>>
>>> \def\LTR#1{{\lefttoright#1}}
>>> \def\leftnumbers#1{\LTR{\numbers{#1}}}
>>> \defineconversion[leftnumbers][\leftnumbers]
>>> \setuphead[chapter,title,section,subject] [conversion=leftnumbers]
>>>
>>> \starttext
>>> \placecontent
>>>
>>> \chapter{sample}
>>> \dorecurse{10}{\section{text}}
>>> \stoptext
>>>
>>>
>>> The big problem is that in my RTL documents, I always have the
>>> setupdirections command, which messes things up here. (This makes
>>> it difficult to one section name with English title, which should
>>> still be typeset on the right-hand side of the page.) Note that in
>>> attempt 2 above, there were two issues:
>>> (1) Text and numbers appeared on the two far ends of the screen
>>> instead of being close to each other. This does not happen when I
>>> use Farsi text.
>>> (2) Chapter number appears to the left of section number.
>>>
>>>
>>> %% Attempt 5
>>> \usemodule[simplefonts]
>>> \setmainfont[ALM Fixed][features=arabic,range=arabic]
>>>
>>> \setupdirections[bidi=global,method=default]
>>> \setupalign[r2l]
>>>
>>> \starttext
>>> \placecontent
>>>
>>> \chapter{نمونه}
>>> \dorecurse{10}{\section{متن}}
>>> \stoptext
>>>
>>>
>>> Interestingly the table of contents looks fine if I put the number
>>> inside an LTR macro; still in the main body, the section heads are
>>> typeset incorrectly.
>>>
>>> %% Attempt 6
>>> \usemodule[simplefonts]
>>> \setmainfont[ALM Fixed][features=arabic,range=arabic]
>>>
>>> \setupdirections[bidi=global,method=default]
>>> \setupalign[r2l]
>>>
>>> \def\LTR#1{{\lefttoright#1}}
>>> \def\leftnumbers#1{\LTR{\numbers{#1}}}
>>> \defineconversion[leftnumbers][\leftnumbers]
>>> \setuphead[chapter,title,section,subject] [conversion=leftnumbers]
>>>
>>> \starttext
>>> \placecontent
>>>
>>> \chapter{نمونه}
>>> \dorecurse{10}{\section{متن}}
>>> \stoptext
>>>
>>>
>>> I guess the solution is to get the entire section head number string
>>> (e.g., 1.10) to have RTL direction, however, each individual number
>>> string inside (say, 1 or 10) should be written LTR. How can this be
>>> achieved?
>>>
>>> The six TeX files (with corresponding PDF outputs) are attached.
>>>
>>> BTW this is using ConTeXt ver: 2016.04.01 13:01 MKIV beta fmt:
>>> 2016.4.7 int: english/english, running LuaTeX, Version beta-0.90.0
>>> (TeX Live 2016) on Mac OS X.
>>>
>>> Thanks a lot,
>>> —MHB
>>>
>>>
>>>
>>
>> --
>>
>> -----------------------------------------------------------------
>> Hans Hagen | PRAGMA ADE
>> Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>> tel: 038 477 53 69 | www.pragma-ade.com | www.pragma-pod.nl
>> -----------------------------------------------------------------
>>
>
>
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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://tex.aanhet.net
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___________________________________________________________________________________
next prev parent reply other threads:[~2016-04-13 0:46 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-08 21:20 Mohammad Hossein Bateni
2016-04-11 2:25 ` Mohammad Hossein Bateni
2016-04-11 14:46 ` Hans Hagen
2016-04-11 15:47 ` Mohammad Hossein Bateni
2016-04-13 0:46 ` Mohammad Hossein Bateni [this message]
2016-04-13 2:15 ` Otared Kavian
2016-04-13 2:59 ` Mohammad Hossein Bateni
2016-04-13 14:56 ` Hans Hagen
2016-04-13 15:14 ` Mohammad Hossein Bateni
2016-04-13 16:41 ` Pablo Rodriguez
2016-04-13 16:56 ` Mohammad Hossein Bateni
2016-04-14 8:19 ` Hans Hagen
2016-04-13 7:20 ` Hans Hagen
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