public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
LayoutController layout = new LayoutController(position);
EditorGUI.BeginProperty(layout.CurrentRect, label, property);
const float boolWidth = 10;
bool enableState = GUI.enabled;
float boolLabelWidth = QGUILayout.GetMaxContentSize(EditorStyles.label, _shiftLabel, _altLabel, _ctrlLabel).x;
SerializedProperty key = property.FindPropertyRelative("Key");
SerializedProperty ctrl = property.FindPropertyRelative("Ctrl");
SerializedProperty alt = property.FindPropertyRelative("Alt");
SerializedProperty shift = property.FindPropertyRelative("Shift");
GUI.enabled &= ((KeyCode)key.enumValueIndex) != KeyCode.None;
EditorGUI.LabelField(layout.ReserveHorizontalReversed(boolLabelWidth), _shiftLabel);
EditorGUI.PropertyField(layout.ReserveHorizontalReversed(boolWidth), shift, GUIContent.none);
EditorGUI.LabelField(layout.ReserveHorizontalReversed(boolLabelWidth), _altLabel);
EditorGUI.PropertyField(layout.ReserveHorizontalReversed(boolWidth), alt, GUIContent.none);
EditorGUI.LabelField(layout.ReserveHorizontalReversed(boolLabelWidth), _ctrlLabel);
EditorGUI.PropertyField(layout.ReserveHorizontalReversed(boolWidth), ctrl, GUIContent.none);
GUI.enabled = enableState;
EditorGUI.PropertyField(layout.CurrentRect, key, label);
EditorGUI.EndProperty();
}