RTL languages problem when you select them

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#662 RTL languages problem when you select them

Milestone: Bug

Status: closed

Owner: Neil Hodgson

Labels: Scintilla (834)

Priority: 2

Updated: 2018-09-09

Created: 2008-03-11

Creator: Omid Mottaghi

Private: No

Something wrong when you select some characters of an RTL-language words (like Persian or Arabic).

For example, look at the following image:
http://tinypic.info/files/xsbzdl1pjnfhnxccoeqq.png
the top one is the correct one and the bottom one is the wrong.

ps: file attached too.

Discussion

Omid Mottaghi - 2008-03-11

snapshot for RTL problem

snapshot39.png

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Neil Hodgson - 2008-03-11

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Scintilla does not properly support RTL languages and it would be significant work to implement this support. I won't be working on this.

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Neil Hodgson - 2008-03-11

priority: 5 --> 2

assigned_to: nobody --> nyamatongwe

status: open --> open-accepted
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Omid Mottaghi - 2008-03-11

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user_id=1202418
Originator: YES

Sorry, forgot to mention that I already report this bug in ActiveState and ... read yourself :)
http://bugs.activestate.com/show_bug.cgi?id=75477

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Omid Mottaghi - 2008-03-11

assigned_to: nyamatongwe --> nobody

priority: 2 --> 5

status: open-accepted --> open
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Neil Hodgson - 2008-03-12

priority: 5 --> 2

assigned_to: nobody --> nyamatongwe

status: open --> open-accepted
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Omid Mottaghi - 2009-04-09

I'm still waiting for RTL support :)

Who could work on this issue?

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Neil Hodgson - 2009-04-09

Any developer who knows C++ and is sufficiently motivated. Its probably a couple of months work.

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Ahmad Harthi - 2011-11-06

how about using ICU: http://userguide.icu-project.org/intro

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Neil Hodgson - 2011-11-07

While ICU may help, there is still a lot of work that would have to be done within Scintilla's code. ICU is also a large dependency.

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Yaron Shahrabani - 2013-02-28

Maybe this can help?
https://live.gnome.org/Gedit/Plugins/BidiAssist

Most modern Linux editors can handle Hebrew quite well.

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- Neil Hodgson - 2013-02-28
  
  The source code links on that page are dead.
  
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Bersam Karbasion - 2013-08-02

Hi,
Is there any plan to fix this problem? If not, Could you give us some Docs and a path that we can try to fix this.
I found similar problem in gedit/GTK https://bugzilla.gnome.org/show_bug.cgi?id=353812 So i asked behnam to help us with this problem that affected many editors like komodo-edit, geany and SciTE.

I think with some help this bug could be fixed after 5 years!

Last edit: Bersam Karbasion 2013-08-02

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- Neil Hodgson - 2013-08-03
  
  I do not know of any intentions to implement this, plan work on it or improve documentation. You could discuss this on the mailing list.
  http://groups.google.com/group/scintilla-interest
  
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Neil Hodgson - 2018-06-25

status: open-accepted --> open-fixed
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Neil Hodgson - 2018-06-25

Some support added for bidirectional text in 4.1.0.

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Yaron Shahrabani - 2018-06-26

Where can we test it? Is there a nightly somewhere?

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- Neil Hodgson - 2018-06-26
  
  4.1.0 has been released.
  https://groups.google.com/d/topic/scintilla-interest/7lXibJQtO1Y/discussion
  
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  - Yaron Shahrabani - 2018-06-26
    
    LOL I thought there's a binary, I'll just wait for a Linux implementation then :)
    I'll report back once I'll test it…
    
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Neil Hodgson - 2018-09-09

status: open-fixed --> closed
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