isModifierPressed method Null safety
- ModifierKey key,
- int modifiers,
- {KeyboardSide side = KeyboardSide.any,
- required int keyCode,
- required bool isDown}
override
Returns true if the given ModifierKey was pressed at the time of this event.
Implementation
@override
bool isModifierPressed(ModifierKey key, int modifiers, {KeyboardSide side = KeyboardSide.any, required int keyCode, required bool isDown}) {
modifiers = _mergeModifiers(modifiers: modifiers, keyCode: keyCode, isDown: isDown);
switch (key) {
case ModifierKey.controlModifier:
return modifiers & modifierControl != 0;
case ModifierKey.shiftModifier:
return modifiers & modifierShift != 0;
case ModifierKey.altModifier:
return modifiers & modifierMod1 != 0;
case ModifierKey.metaModifier:
return modifiers & modifierMeta != 0;
case ModifierKey.capsLockModifier:
return modifiers & modifierCapsLock != 0;
case ModifierKey.numLockModifier:
return modifiers & modifierMod2 != 0;
case ModifierKey.functionModifier:
case ModifierKey.symbolModifier:
case ModifierKey.scrollLockModifier:
// These are not used in GTK keyboards.
return false;
}
}