/// <summary>
/// Non-blocking. Gets the oldest key mapping pressed or null.
/// </summary>
/// <param name="c">The dequeued key mapping or null.</param>
/// <returns>True if a key mapping was dequeued. Otherwise false.</returns>
public bool GetMapping(out KeyMapping c)
{
//Same idea as GetChar - see that for docs.
if (scancodeBuffer.Count > 0)
{
GetKeyMapping(Dequeue(), out c);
return true;
}
else
{
c = null;
return false;
}
}
/// <summary>
/// Gets the first KeyboardMapping which represents the specified scancode.
/// </summary>
/// <param name="aScanCode">The scancode to get the character for.</param>
/// <param name="aValue">
/// Output. The KeyboardMapping which represents the scancode or null if none found.
/// </param>
/// <returns>True if a KeyboardMapping to represent the scancode was found. Otherwise false.</returns>
public bool GetKeyMapping(uint aScanCode, out KeyMapping aValue)
{
//Loops through all the key mappings to find the one which matches
// the specified scancode. Output value goes in aValue, return true
// indicates key mapping was found. Return false indicates key
// mapping was not found.
for (int i = 0; i < KeyMappings.Count; i++)
{
if (((KeyMapping)KeyMappings[i]).Scancode == aScanCode)
{
aValue = ((KeyMapping)KeyMappings[i]);
return true;
}
}
aValue = null;
return false;
}