It didn't help.
However, I've looked a bit deeper into this and found out that I
actually can check whether X receives any events from this combination
of keys (Fn+F3). And it does. X not only receives the key press event,
but also the key release event (without the changes suggested in the
previous post). X even knows what this event is for - it knows that it
is a "touchpad toggle" event. However, the touchpad isn't being
disabled.
I used xev command for this, and below is the output I get when pressing
(and releasing) the Fn+F3 combination.
KeyPress event, serial 40, synthetic NO, window 0x6200001,
root 0xbb, subw 0x0, time 208513, (44,123), root:(1230,652),
state 0x0, keycode 199 (keysym 0x1008ffa9, XF86TouchpadToggle), same_screen
YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 40, synthetic NO, window 0x6200001,
root 0xbb, subw 0x0, time 208677, (44,123), root:(1230,652),
state 0x0, keycode 199 (keysym 0x1008ffa9, XF86TouchpadToggle), same_screen
YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
At the moment I'm using the latest version of Kubuntu - 13.04.
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https://bugs.launchpad.net/bugs/1015496
Title:
Disable-touchpad key does not work on Dell Vostro V3450
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