Thanks Don, I called it after realize(), which resulted in a crash, but
calling it before realize() did the trick
Paul
Don Burns wrote:
_kbm is a ref_ptr. If you pass a NULLargument to setKeyboardMouse()
it will do the right thing for you.
-don
On 5/20/06, *Paul Melis* <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>> wrote:
Then how can I disable keyboard/mouse? I looked at
osgProducer::Viewer.setKeyboardMouse(), but it only allows to set a
valid object for kbm (not NULL). And setUpViewer() always
initializes kbm...
I can't find something like removeKeyboardMouse()
Paul
Don Burns wrote:
> KeyboardMouse is entirely optional for an application. If you have
> applications that don't need keyboard mouse support, just leave
it out.
>
> -don
>
> On 5/19/06, *Paul Melis* <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>
> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> wrote:
>
> Producer seems to get stuck at program exit because it's
waiting on a
> keyboard/mouse thread on linux.
>
> Let me sketch the scenario here:
> Run "osgviewer --run-till-frame-number 100 cow.osg". The 100
frames
> should be drawn pretty quick, but if you don't move the
mouse or
> press a
> key after starting the viewer it will not exit UNTIL you
move the
> mouse
> (or press a key). I've observed this behaviour on two different
> systems
> (also running different window managers).
>
> Attaching with GDB to the stalled process shows the
following trace:
>
> 0xb782e707 in sched_yield () from /lib/libc.so.6
> (gdb) bt
> #0 0xb782e707 in sched_yield () from /lib/libc.so.6
> #1 0xb78d3609 in OpenThreads::Thread::YieldCurrentThread ()
from
> /home/melis/osg/lib/libOpenThreads.so
> #2 0xb7e97e94 in Producer::KeyboardMouse::~KeyboardMouse ()
from
> /home/melis/osg/lib/libProducer.so
> #3 0xb7f06cf0 in osgProducer::Viewer::~Viewer () from
> /home/melis/osg/lib/libosgProducer.so
> #4 0x0804a3d0 in main ()
> (gdb)
>
> This whole thing is not such a big deal on a normal desktop
> system, but
> our distributed application runs on multiple render nodes
that don't
> have a keyboard or mouse attached and our viewer on those nodes
> doesn't
> exit when told to over the network, even though main() is
clearly
> finished. Attaching with gdb in this situation shows the
same trace.
>
> Any ideas on how to overcome this? I don't know enough X11
to hack
> something like sending a single keypress to ourselves at
exit, I'm not
> sure that will even work...
> Paul
>
> --
> Paul Melis
>
> VR Specialist,
> Center for High-Performance Computing & Visualization,
> University of Groningen,
> The Netherlands
>
> T: +31 50 363 9298
> E: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
<mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
> W: http://www.rug.nl/rc/hpcv/index
>
> _______________________________________________
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--
Paul Melis
VR Specialist,
Center for High-Performance Computing & Visualization,
University of Groningen,
The Netherlands
T: +31 50 363 9298
E: [EMAIL PROTECTED]
W: http://www.rug.nl/rc/hpcv/index
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