Re: UI change of "Languge" selection in gdm2

[Bob Doolittle <Robert Doolittle Sun COM>]

Thanks Chookij,

A couple of questions inline:

Chookij Vanatham wrote:

> Hi Bob,
>
> I'd like to answer the 1st quick question as below.
>
>  
>
> > Chookij,
> >
> > What is the proposed scope for a change to the "greeter language"
> > through the greeter itself?
> > Does it just affect the current display, or the entire system?
> >
> >    
> It affects only "current display". That means only "greeter" process
> of current display will be changed (re-forked).
>
> "gdm2 slave process" will restart only greeter process in different language.
>
> There is nothing changed to "gdm2 master process". It won't die.
>
> "gdm2 slave process" which takes care of current display (for X, greeter)
> won't be restarted (re-forked).
>  

Even after somebody logs in/out?

> Basically, greeter sends "message" as part of protocol to gdm2 slave process
> to tell "gdm2 slave" to restart the new greeter process with the new
> language passed through protocol. "gdm2 slave" process won't be restarted
> but gdm2 slave, itself, will need to change its own current locale to
> the new one.
>  

This information is never stored to disk and re-used in future 
instantiations, as it is in dtlogin?

Thanks,
  Bob

> (Bugzilla id: 108820 explaines exact detail of change (which is little)
> for the protocol added between greeter and gdm2 slave process)
>
>  
>
> > Does it affect future sessions on the current display?
> >
> >    
> No. "greeter language" is basically for locale/languge of greeter.
> Nothing related to "users sessions".
> There is only one thing at the choice of users' session will effect.
> At the entry "Default" language for users's session will mean
> the same lanugage as "greeter language".
>
> Chookij V.
>
>
>  
>
> > -Bob
> >
> > Chookij Vanatham wrote:
> >
> >    
> >
> > > Hi George,
> > >
> > > I have been working on enhancement of "Language" selection in gdm2
> > > (bugzilla id: 108820) and I have got some snapshots of UI
> > > change. I'd like to ask help to review the UI change and any feedback
> > > would be really appreciated to get this work done.
> > >
> > > Here are the reasons of UI change.
> > >
> > > 1) Once gdm2 starts up, there is NO-WAY to switch its greeter GUIs
> > >  to any other languages without restarting gdm2 with the new
> > >  languages/locales (before users loggining to the system).
> > > 2) "Language" menu at greeter is using for the case when users want
> > >  to have their own sessions running in different languages(locales)
> > >  other than the language (locales) specified in ~/.dmrc user
> > >  configuration file and also, greeter doesn't restart/refresh GUI
> > >  to be displayed in that particular language on the fly.
> > >
> > >  Ex:  ~/.dmrc
> > >       [Desktop]
> > >       Session=gnome.desktop
> > >       Language=ja_JP.SJIS
> > >
> > >   In CDE, dtlogin/dtgreeter has the same feature but, dtgreeter
> > >   is also restarted/refreshed on the fly when users select new
> > >   language from "language" menu, even the language selected is
> > >   actually using for users's own session after users's logging-in.
> > >
> > >   I'd like to point out that this behavior in dtlogin/dtgreeter is
> > >   causing the demand to have gdm greeter to restart greeter's GUI
> > >   on the fly after selecting new language. The point is that,
> > >   actually, there are two different things which can be applied
> > >   with "language".
> > >
> > >       1) Language applying to greeter (gdmlogin, gdmgreeter)
> > >       2) Language applying to users' session
> > >
> > >   Another word is that "Language" menu GUI is a little bit easier
> > >   to confuse users' behavior between greeter's GUI and users'
> > >   session GUI.
> > >
> > > Here are the list of UI change (feature changed/added).
> > >
> > > 1) Language selection for log-in screen (greeter) and users's session
> > >  is seperated at the "Language" menu which will have 2 options,
> > >  "Greeter Language" and "Users' session Language".
> > >
> > >  Attached snapshots:
> > >  o gdmgreeter_lang_stock_button_action.jpeg.gz
> > >    When "Language" stock button clicked, there will be the
> > >    pop-up window for users to select if language is for greeter
> > >    or for user's session.
> > >
> > > 2) "Greeter Language" will restart log-in screen in new language
> > >   selected.
> > >
> > >  Attached snapshots:
> > >  o gdmlogin_greeter_lang.jpeg.gz
> > >    When selected, gdmlogin will be restarted to the new language
> > >    selected. There are no "Last" and "System Default" entries.
> > >  o gdmgreeter_lang.jpeg.gz
> > >    If user chooses language for greeter, language selection window
> > >    will be pop-uped. There are no "Last" and "System Default"
> > >    entries. After new language selected and "Ok" button clicked,
> > >    gdmgreeter will be restarted with new language.
> > >
> > > 3) "Users' session Language" will have the new extra pop-up sub-menu
> > >  for experience users to select their preference of "character set"
> > >  they want for their session, otherwise, gdm2 will assign the
> > >  default character set associated with language users select for
> > >  their session.
> > >
> > >  Attached snapshots:
> > >  o gdmlogin_usr_sess_lang.jpeg.gz
> > >    When selected, gdmlogin will use the language selected for
> > >    user's session. gdmlogin won't be restarted.
> > >    There are "Last" and "System Default" entries.
> > >  o gdmlogin_usr_sess_charset.jpeg.gz
> > >    User can choose "character set @ modifier" for particurlar
> > >    language selected for user's session, otherwise "character
> > >    set @ modifier" will be default (according to
> > >    /etc/X11/gdm/locale.alias)
> > >  o gdmgreeter_usr_sess_lang.jpeg.gz
> > >    If user choose language for user's session, language
> > >    selection window will be pop-uped. There are "Last" and
> > >    "System Deafult" entries. There is new stock button named
> > >    "Information" at the dialog. When "Information" stock button
> > >    clicked, users can change "character set @ modifier" of
> > >    language selected for user's session.
> > >  o gdmgreeter_usr_sess_charset.jpeg.gz
> > >    Users can choose "character set @ modifier" for language
> > >    used within session.
> > >
> > > 4) A new tab called "Session Languages" tab is for customizing the
> > >  default detail information of each language for users's session
> > >  by super-user through the gdmsetup tool.
> > >
> > >  Attached snapshots:
> > >  o gdmsetup_lang_tab.jpeg.gz
> > >    This new session language tab is used to change the default
> > >    "character set @ modifier" for any languages which will be used
> > >    as the default for users' session if users don't activate
> > >    "Information" stock button.
> > >
> > > Please let me know any suggestion. In the next week or so, I'll
> > > give you the patch.
> > >
> > > PS:
> > > snapshot.tar.gz contains 8 jpeg files.
> > > a ./gdmgreeter_lang.jpeg 313K
> > > a ./gdmgreeter_lang_stock_button_action.jpeg 282K
> > > a ./gdmgreeter_usr_sess_charset.jpeg 311K
> > > a ./gdmgreeter_usr_sess_lang.jpeg 308K
> > > a ./gdmlogin_greeter_lang.jpeg 171K
> > > a ./gdmlogin_usr_sess_charset.jpeg 69K
> > > a ./gdmlogin_usr_sess_lang.jpeg 208K
> > > a ./gdmsetup_lang_tab.jpeg 87K
> > >
> > >
> > >
> > > Thanks,
> > >
> > > Chookij V.
> > >
> > >
> > >
> > >      
> >    
>
>
>