Re: Using AltGr as standard modifier key in emacs

[Rusi]

On Tuesday, October 13, 2015 at 8:05:33 PM UTC+5:30, Shahab Shahsavari 
Alavidjeh wrote:
> Hi there
> 
> While that's my first post here, I'm going to introduce myself a little
> bit, and I think this introduction might be relevant to my question
> here, I'm Shahab Shahsavari Alavidjeh (simply everyone can call me Shibi
> if that's too hard to pronounce) and I'm using emacs for my day to day
> tasks (as a writer and translator) for writing and organizing my
> tasks. Well I'm not a software developer or an emacs expert by any
> means, therefor my questions or requests may seems dumb.
> 
> Well I'm an Iranian and a Persian speaker, which leads us right to the
> problem, while emacs has great support for UTF-8 and complex script
> languages (like Persian) and there is a well maintained quail input
> method package for farsi (thanks to Mohsen Banan
> http://mohsen.1.banan.byname.net/) there's a huge problem with that (and
> as I already reviewed the code for hebrew, arabic and even latin-alt
> input methods this problem exists there too) There is no implementation
> for AltGr key or ISO_Level3_Shift key in elisp. So every input method
> re-implemented a different modifier key and bind the third or forth
> level modification to that. (in persian that key is "\" in hebrew that
> key is "`" in latin-alt that key seems to be "_" in latin-post the key
> is ",") which IMO is a very inconsistent way of implementation.
> 
> But waht is my question?
> 
> is there any way to work around this problem and assign a modifier key
> to "Right Alt Key" on keyboard which is accessible through elisp
> customization? something which I can assign a character (for example á
> to (kbd rightalt-a))?
> 
> Why I don't simply use my D.E. input method support and keyboard layout
> switcher instead?
> 
> I'm currently using it, that's my best option right now, but then I
> should switch keyboard layouts whenever I want to run a command in emacs
> or even when I want to save a file to disk.
> 
> I appreciate any answer which can help me to get it working.
> 
> What I'm using right now is
> 
> GNU Emacs 24.5.1 (x86_64-redhat-linux-gnu, GTK+ Version 3.16.6) of
> 2015-09-14 on buildvm-10.phx2.fedoraproject.org
> 
> Thank You
> Shahab

Hi Shibi
Welcome to emacs!

Does this work for you (outside of and independent of emacs)?

$ setxkbmap -layout "us,ir" -option "grp:lalt_lshift_toggle,grp_led:scroll" 

If yes then you can see how to arrange for emacs to call that based on mode 
(switching)?