private void RaisePressedEvents(GameTime gameTime, KeyboardState currentState)
{
if (!currentState.IsKeyDown(Keys.LeftAlt) && !currentState.IsKeyDown(Keys.RightAlt))
{
var pressedKeys = Enum.GetValues(typeof(Keys))
.Cast <Keys>()
.Where(key => currentState.IsKeyDown(key) && _previousState.IsKeyUp(key));
foreach (var key in pressedKeys)
{
var args = new KeyboardEventArgs(key, currentState);
KeyPressed.Raise(this, args);
if (args.Character.HasValue)
{
KeyTyped.Raise(this, args);
}
_previousKey = key;
_lastPressTime = gameTime.TotalGameTime;
_isInitial = true;
}
}
}
private void RaiseRepeatEvents(GameTime gameTime, KeyboardState currentState)
{
var elapsedTime = (gameTime.TotalGameTime - _lastPressTime).TotalMilliseconds;
if (currentState.IsKeyDown(_previousKey) && ((_isInitial && elapsedTime > InitialDelay) || (!_isInitial && elapsedTime > RepeatDelay)))
{
var args = new KeyboardEventArgs(_previousKey, currentState);
if (args.Character.HasValue)
{
KeyTyped.Raise(this, args);
}
_lastPressTime = gameTime.TotalGameTime;
_isInitial = false;
}
}