Ok, here's a really weird one. I have noticed the effects of it for a long
time, but this afternoon was the first time I managed to isolate it to
something I can repeat and perhaps explain.
I do not have a joystick plugged in, I'm not in "mouse control" mode, just
normal mouse-runs-the-gui-mode in flightgear.
I am running Linux (fedora 15) with a number of virtual desktops.
Every time I switch away from the FlightGear desktop to a different desktop,
and then switch back, the value of /controls/flight/aileron gets -0.05 added
to it. So I can center the controls, and then flip to a different desktop,
come back, and the value is -0.05. If I switch away and back again, the
value bumps to -0.10. This is very repeatable.
I have verified (by using a remote telnet connection) that the value is
changed when I switch back to the FlightGear desktop.
I am running FlightGear on desktop #4 and using the keyboard to switch
desktops. I have a keyboard accelerator mapped to desktop switching so I
can type Alt-1, Alt-2, Alt-3, etc. to switch to that correspondingly
numbered desktop.
So here's what appears to be going on. When I type <Alt-4> to return to the
FlightGear desktop, FlightGear is seeing that keystroke as well as my
desktop and interpreting it as a <numeric-keypad-4> press. If I move my
flightgear window to desktop #6 and then type <Alt-6> to flip to that
desktop, the ailerons will move one notch to the right. There is a pattern
here.
FlightGear is somehow capturing a keystroke it shouldn't be catching. When
I am on desktop #6 and looking at my flightgear window, I can press <Alt-6>
all day long and the ailerons do not respond, it's only when I'm flipping
from some other desktop back to the flightgear desktop where my <Alt-number>
hot key is accidentally caught and interpreted as a numeric keypad press.
I know this is really weird, and probably something deep in the bowels of
OSG, but does any one have any thoughts or suggestions on this? I usually
run with 6 virtual desktops and two monitors and have different things
happening on different desktops and am frequently switching desktops and
when I run FlightGear, it is frequently catching these stray/unwanted
keystrokes and affecting my flights.
Any ideas on how to fix this??? It's really bugging me!!!!
Thanks,
Curt.
--
Curtis Olson:
http://www.atiak.com - http://aem.umn.edu/~uav/
http://www.flightgear.org - http://gallinazo.flightgear.org
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