enum KeyModifier {
NoModifier = 0, //< no modifiers held
ControlModifier = 1, //< control button held
- AltModifier = 2, //< alt/meta key held
- ShiftModifier = 4 //< shift key held
+ AltModifier = 2, //< alt key held
+ ShiftModifier = 4, //< shift key held
+ MetaModifier = 8 //< meta key held
};