Where's my X cursor?

Where's my X cursor?

[Gary Thomas]

I'm having troubles with the latest Xorg server.  I have a system
which has a small display (320x240) with a touch screen.  When I
bring up X, there is no mouse pointer, even if my touch screen is
disabled [in the kernel] and I have a "normal" (USB) mouse attached.

I have a second system which is very similar, but it has a larger
display (800x600) and everything works as expected.

Any ideas?

Note: I know in times past, X could have a larger virtual display
than the physical one and you could pan around.  Is this still
possible?  How?

Thanks

n.b. this is all preliminary to finding another problem; my touch
screen works fine using SDL and QT, but not X.  If I could just
see the mouse pointer, maybe I could get a clue why.

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------

Re: Where's my X cursor?

[Burton, Ross]

On 29 November 2012 13:29, Gary Thomas <gary@mlbassoc.com> wrote:
> I'm having troubles with the latest Xorg server.  I have a system
> which has a small display (320x240) with a touch screen.  When I
> bring up X, there is no mouse pointer, even if my touch screen is
> disabled [in the kernel] and I have a "normal" (USB) mouse attached.

Your machine configuration (/etc/formfactor/machconfig) probably says
HAVE_TOUCHSCREEN=1, which results in the X init scripts disabling the
cursor.  Remove that line, comment it out with a #, or set it to 0,
and the cursor should be visible on the next boot.

Ross

Re: Where's my X cursor?

[Gary Thomas]

On 2012-11-29 06:39, Burton, Ross wrote:
> On 29 November 2012 13:29, Gary Thomas <gary@mlbassoc.com> wrote:
>> I'm having troubles with the latest Xorg server.  I have a system
>> which has a small display (320x240) with a touch screen.  When I
>> bring up X, there is no mouse pointer, even if my touch screen is
>> disabled [in the kernel] and I have a "normal" (USB) mouse attached.
>
> Your machine configuration (/etc/formfactor/machconfig) probably says
> HAVE_TOUCHSCREEN=1, which results in the X init scripts disabling the
> cursor.  Remove that line, comment it out with a #, or set it to 0,
> and the cursor should be visible on the next boot.

Duh, I should have thought of that. What program/script uses that file?
I ask because the code in /etc/X11/Xserver explicitly does not if the
server is Xorg (if I'm reading things correctly).

Also, any pointers on how to debug the touch screen?  As I said, it
works fine with SDL and Qt, but with X, it seems to go 100% backwards
from what I want, i.e. touch left moves the cursor right, etc.

Thanks

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------