Iain Buchanan wrote this: > On Tue, 2007-05-22 at 22:29 +0200, Timo Boettcher wrote: > >> If I understand correctly, the touchscreen is (if used correctly) just >> another way to control the mouse pointer. Is that right? > > yes. when you touch, the mouse moves to, and clicks at that location. > You usually have an option to use right clicks. Depending on the > driver, dragging and other more complicated mouse features may be a bit > more tricky. Similar to using a touchpad. > > Some newer tablet PC's (ie. Toshiba, not sure about others) actually > have a special pen which moves the mouse without touching the screen - > you just hover over the screen and the mouse moves, then touch to get a > click. > >> Do I have to use X to use the touchscreen, or can I use it with gpm or >> SDL? > > nope, AFAIR it will work like any mouse. There's not much you can do > without X though is there? Unless you have a keyboard, and then why not > have a mouse as well? > > HTH,
I'm having problems with a tsharc touch screen, The company says
that it has support for linux and command line, but it does not work on
xorg 7.x, since their driver is in .o format instead of .so, I made the
shared lib (.so) based on their object file but X complains about not
finding a ModuleData data object, instead of the ModuleInit function.
I'm keepping in touch with them to make this work.
I could make it work under X with the evdev driver, but with
calibration problems.
I used gpm with evdev driver too, checked the events with mev and
detected that the events are being recognized, but the mouse is always
at position 50,18, it doesn't move.
I'm also working on a embedded system with no X. I'm writing
everything with fbdev, and libgpm. I'm also interested in a
onscreen-keyboard.
So, if you're going to use touchscreens, Don't make the same
mistakes and make sure that is has mature drivers. I'm working to make
the tsharc driver ok, and depending on the hampshire company answers
i'll rate it as linux friendly or M$ company :)
HTH,
Rodrigo Forlin
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