public Key GetNeighbour(RelativeKeyPosition pos)
{
if (pos == RelativeKeyPosition.CENTER)
{
return(this);
}
return(keyboard.GetNeighbourOfKey(this, pos));
}
public bool HasNeighbour(RelativeKeyPosition pos)
{
if (pos == RelativeKeyPosition.CENTER)
{
return(true);
}
return(keyboard.GetNeighbourOfKey(this, pos) != null);
}
public Key GetNeighbourOfKey(Key key, RelativeKeyPosition pos)
{
var coordinates = GetCoordinatesOfKey(key);
switch (pos)
{
case RelativeKeyPosition.TOP_LEFT:
coordinates.X--;
coordinates.Y--;
return(GetKeyByCoordinates(coordinates));
case RelativeKeyPosition.TOP_CENTER:
coordinates.Y--;
return(GetKeyByCoordinates(coordinates));
case RelativeKeyPosition.TOP_RIGHT:
coordinates.X++;
coordinates.Y--;
return(GetKeyByCoordinates(coordinates));
case RelativeKeyPosition.LEFT:
coordinates.X--;
return(GetKeyByCoordinates(coordinates));
case RelativeKeyPosition.CENTER:
return(key);
case RelativeKeyPosition.RIGHT:
coordinates.X++;
return(GetKeyByCoordinates(coordinates));
case RelativeKeyPosition.BOTTOM_LEFT:
coordinates.X--;
coordinates.Y++;
return(GetKeyByCoordinates(coordinates));
case RelativeKeyPosition.BOTTOM_CENTER:
coordinates.Y++;
return(GetKeyByCoordinates(coordinates));
case RelativeKeyPosition.BOTTOM_RIGHT:
coordinates.X++;
coordinates.Y++;
return(GetKeyByCoordinates(coordinates));
default:
return(null); // what to do here
}
}
