Re: [open-cobol-list] For discussion: patch to get some terminal infoand do scrolling

[Bill Klein]

Just a warning to those not familiar with AcuCOBOL extensions.  They have
EXTENSIVE extensions to Accept/Display/Screen section that include
everything needed up to and including "GUI's" via Accept/Display.

It is pretty impressive, but once you start adding support for some, you may
find demand for all of it.  I would suggest looking at the full syntax
before deciding which (if any) to include in OpenCOBOL.

To the best of my knowledge, NO other implementer has actually picked up the
AcuCOBOL syntax.  On the other hand, since they were acquired by Micro Focus
it is POSSIBLE (I just don't know) that you may see some of this in the
"native" MF compiler (to assist with migration from AcuCOBOL to MF - without
their Dialog Systems extensions) 

> -----Original Message-----
> From: Ulf Dambacher [mailto:address@hidden 
> Sent: Thursday, January 08, 2009 2:56 PM
> To: address@hidden
> Subject: [open-cobol-list] For discussion: patch to get some 
> terminal infoand do scrolling
> 
> Hi
> 
> Just for discussion: enclosed you find a patch to OC 1.1 wich 
> implements 
> following syntax extensions:
> 
> 1) ACCEPT field FROM TERMINAL SCREEN_COLUMNS
> 2) ACCEPT field FROM TERMINAL SCREEN_LINES
> 3) ACCEPT field ... [ SCROLL [UP / DOWN ] [ BY n [_LINES ]] ...
> 4) DISPLAY field ... [ SCROLL [UP / DOWN ] [ BY n [_LINES ]] ...
> 
> 
> to 1+2:
> Somehow one has to figure out how many lines/cols the screen has.
> We don't have fixed size terminals anymore .-(
> Acucobol has this syntax:
> ACCEPT structure FROM TERMINAL-INFO
> and a copy library for working storage to put some information about 
> screen lines, color usage, highlight etc.
> Can we copy this 1:1 without copyright probelems?
> Shall we have our own syntax?
> 
> to 3+4:
> Currently we can't do scrolling in OC. I found there are 
> different ways 
> in different compilers.
> Acucobol scrolls if one moves to the last line, last column 
> and displays 
>    something. Also they have a syntax like this to do 
> scrolling explicitly.
> 
> 
> Ulf
> 
>