/usr/share/X11/xkb/compat/xtest is in xkb-data 2.5-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | default xkb_compatibility "xtest" {
// Minimal set of symbol interpretations to provide
// reasonable behavior for testing. The X Test
// Suite assumes that it can set any modifier by
// simulating a KeyPress and clear it by simulating
// a KeyRelease. Because of the way that XKB
// implements locking/latching modifiers, this
// approach fails in some cases (typically the
// lock or num lock modifiers). These symbol
// interpretations make all modifier keys just
// set the corresponding modifier so that xtest
// will see the behavior it expects.
virtual_modifiers NumLock,AltGr;
interpret.repeat= False;
setMods.clearLocks= True;
latchMods.clearLocks= True;
latchMods.latchToLock= False;
interpret Shift_Lock+AnyOf(Shift+Lock) {
action= SetMods(modifiers=Shift);
};
interpret Num_Lock+Any {
virtualModifier= NumLock;
action= SetMods(modifiers=NumLock);
};
interpret Mode_switch {
useModMapMods= level1;
virtualModifier= AltGr;
action= SetGroup(group=2);
};
interpret Any + Any {
action= SetMods(modifiers=modMapMods);
};
group 2 = AltGr;
group 3 = AltGr;
group 4 = AltGr;
indicator.allowExplicit= False;
indicator "Caps Lock" {
modifiers= Lock;
};
indicator "Num Lock" {
modifiers= NumLock;
};
indicator "Shift Lock" {
whichModState= Locked;
modifiers= Shift;
};
indicator.allowExplicit= True;
};
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