Q: Programming for console and X11?

[Dirk Luetjens <dirk@post.lfm.rwth-aachen.de>]

Hello,

I wanted to write an aplication which is capable of running in a graphics
mode but also on a text console. I though of having the same look & feel
in both modes. Since is only uses buttons, checkboxes, selection lists and
tabulars it should be possible to provide a console equivalent. 
In case of the console, window/buttons/... are drawn with characters and
colors.  

I wanted to use different software layers to hide the UI Interface
routines from the application code in the following way. 

             application
                  |
           wrapper classes   <- layout description file
                  ^
 DISPLAY not set / \ DISPLAY set
                /   \
         console     some gui toolkit
            ^           | 
           / \         X11
   keyboard   mouse

My questions are:
1.) Is there a console library available, that is capable of printing
    frames, windows, buttons, ...  A X11 replacement for the console?
2.) Has anybody tried to build such an aplication yet?
3.) I have seen from qt the signel/slot handling. In a german newsgroup
    someone posted a long exepert about using Objective C <-> C++ <-> 
    qt's meta object compiler. Since I wanted to layout the program in a
    form that a tabular windows are shown and loadable modules can fill
    these windows with live, I was wondering wich language will be the
    best ( except lisp, sheme ) for this aproach. Again, has somebody
    expiriences with this?
4.) Again qt: Does the moc compiler fall also under the terms special
    Troll license, or is this free to use?

Anybody some suggestions?

Thank you in advance 
Dirk



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