[GRASS5] Arrow keys and default pager

[Markus Neteler]

On Wed, Apr 04, 2001 at 05:47:26PM +0100, Glynn Clements wrote:
> 
> Markus Neteler wrote:
> 
> > > I'm using latest GRASS cvs, XFree 4.01 and KDE 2.1. Every time I start
> > > GRASS in text mode I find problems with the user interface: arrow keys
> > > are not interpreted the right way and I get strange characters on the
> > > screen (a couple of chars every time I hit and arrow). This is the only
> > > program to do that, plain terminal emulators and other programs are
> > > working fine... any idea on how to solve that?
> > 
> > you are right, this should become fixed. The cursor stuff is in:
> > src/libes/vask/
> >  especially
> > V_call.c
> > 
> > Even g.help should be fixed, similar problem. I have tried a while,
> > but don't know too much about the curses & friends.
> 
> Note: programs which provide line-editing don't generally implement it
> themselves using curses; they generally use GNU readline.
> 
> Of course you could implement something directly with curses, but
> unless the behaviour exactly matches readline's (allowing for specific
> settings in ~/.inputrc), newbies will most likely moan about it "not
> working right".

All the curses stuff in GRASS might be there due to historical reasons
(pre-readline time). Maybe we should consider to change to readline
for 5.1 to get rid of various problems. But I am definitly no expert
here.

Do you have any recommendations for to overcome the current problems?

Regards

 Markus

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