Re: [gtkmm] Touch Screens

[Ian Michell <ian michell hanzi co uk>]

Jeff, Leandro

Jeff you mentioned that you wrote a calibration program with gtkmm some
while ago, perhaps a new OSS project is in order for this kind of
application? I would be more than happy to help out in this regard, as
it will most probably solidify GTK/GTKMM in the POS arena :)

Rgds

Ian

On Thu, 2004-03-25 at 15:53, Leandro wrote:
> Jeff,
>             In fact I wrote a calibration program using gtkmm some time 
> ago, but I think not all the touchscreen drivers have the same entries 
> in XF86Config for calibration values. I can give you the code I wrote, 
> in any case, if it has any use.
> 
> Leandro.
> 
> Jeffrey S. Gavin wrote:
> 
> > Leandro, Ian,
> >
> > We are also using touchscreens for our application.  I found a consol  
> > ncurses calibration program that works well:
> >
> > http://www.ibiblio.org/pub/Linux/X11/xutils/touchcal-0.2.tar.gz
> >
> > I had to modify the makefile to get it to compile on Linux with 
> > ncurses, and the values it generated plugged into the 
> > /etc/X11/XF86Config and the touchscreen works fine.
> >
> > Another quirk that I had was with the elographics_drv.o (since we were 
> > using elo touch screens).  For some reason we had to replace this file 
> > with one from an old redhat system in order to have it work 
> > correctly.  I'm sure there is a simpler way to get it to work.
> >
> > When our schedule permits I would like to write a calibration routine 
> > in gtkmm so that our customers can calibrate their own touchscreens 
> > easily.  Does anyone know of one that is out there?
> >
> > Jeff
> >
> > Leandro wrote:
> >
> >> We're using touchscreens and gtkmm with no problems. Touchscreens 
> >> behave like a regular mouse, the only trouble you may find is to have 
> >> your touchscreen working under Linux/X, but that's another issue.
> >>
> >> Leandro.
> >>
> >> Ian Michell wrote:
> >>
> >>> Hi all,
> >>>
> >>> Not sure how good a question this is, but how easy would it be to use
> >>> GTKMM with a touch screen? Is it something that is difficult to 
> >>> code, or
> >>> would GTK+/GTKMM just work with touch screens?
> >>>
> >>> Rgds
> >>>
> >>> Ian
> >>>
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> >
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