/// <summary>Called when a key on the keyboard has been pressed down</summary>
/// <param name="keyCode">Code of the key that was pressed</param>
public void InjectKeyPress(Keys keyCode)
{
var repetition = _heldKeys.Get((int)keyCode);
// If a control is activated, it will receive any input notifications
if (_activatedControl != null)
{
_activatedControl.ProcessKeyPress(keyCode, repetition);
if (!repetition)
{
++_heldKeyCount;
_heldKeys.Set((int)keyCode, true);
}
return;
}
// No control is activated, try the focused control before searching
// the entire tree for a responder.
var focusedControl = _focusedControl.Target;
if (focusedControl != null)
{
if (focusedControl.ProcessKeyPress(keyCode, false))
{
_activatedControl = focusedControl;
if (!repetition)
{
++_heldKeyCount;
_heldKeys.Set((int)keyCode, true);
}
return;
}
}
// Focused control didn't process the notification, now let the desktop
// control traverse the entire control tree is earch for a handler.
if (_desktopControl.ProcessKeyPress(keyCode, false))
{
_activatedControl = _desktopControl;
if (!repetition)
{
++_heldKeyCount;
_heldKeys.Set((int)keyCode, true);
}
}
else
{
switch (keyCode)
{
case Keys.Up:
{
InjectCommand(Command.Up);
break;
}
case Keys.Down:
{
InjectCommand(Command.Down);
break;
}
case Keys.Left:
{
InjectCommand(Command.Left);
break;
}
case Keys.Right:
{
InjectCommand(Command.Right);
break;
}
case Keys.Enter:
{
InjectCommand(Command.Accept);
break;
}
case Keys.Escape:
{
InjectCommand(Command.Cancel);
break;
}
}
}
}