* Melchior FRANZ -- Tuesday 01 December 2009:
> $ evtest /dev/input/event6
Most of you probably knew this (especially those who coded it :-), but I
only realized later: The snapshot button isn't only reported via kernel
event, but is also sent as a regular X key event. It has keycode 187, but
no keysym assigned. I get this in xev:
KeyPress event, serial 29, synthetic NO, window 0x9400001,
root 0x13c, subw 0x0, time 6746485, (113,93), root:(759,93),
state 0x0, keycode 187 (keysym 0x0, NoSymbol), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
I didn't find a reserved keysym for webcam snapshot buttons. Is there any
software that listens to that by default? In the meantime I just assigned
letter "s" to the key (by adding this to the ~/.Xmodmap: "keycode 187 = s").
Now at least luvcview knows how to take snapshots. Unfortunately, the key
is only reported when the camera is already in recording mode.
m.
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