public async void GetInputAndAssign(IButtonAssigner assigner, IKeyboard keyboard = null)
{
Dispatcher.UIThread.Post(() =>
{
ToggledButton.IsChecked = true;
});
if (_isWaitingForInput)
{
Dispatcher.UIThread.Post(() =>
{
Cancel();
});
return;
}
_isWaitingForInput = true;
assigner.Initialize();
await Task.Run(async() =>
{
while (true)
{
if (!_isWaitingForInput)
{
return;
}
await Task.Delay(10);
assigner.ReadInput();
if (assigner.HasAnyButtonPressed() || assigner.ShouldCancel() || (keyboard != null && keyboard.IsPressed(Key.Escape)))
{
break;
}
}
});
await Dispatcher.UIThread.InvokeAsync(() =>
{
string pressedButton = assigner.GetPressedButton();
if (_shouldUnbind)
{
SetButtonText(ToggledButton, "Unbound");
}
else if (pressedButton != "")
{
SetButtonText(ToggledButton, pressedButton);
}
_shouldUnbind = false;
_isWaitingForInput = false;
ToggledButton.IsChecked = false;
ButtonAssigned?.Invoke(this, new ButtonAssignedEventArgs(ToggledButton, pressedButton != null));
private void Button_Checked(object sender, RoutedEventArgs e)
{
if (sender is ToggleButton button)
{
if (_currentAssigner != null && button == _currentAssigner.ToggledButton)
{
return;
}
bool isStick = button.Tag != null && button.Tag.ToString() == "stick";
if (_currentAssigner == null && (bool)button.IsChecked)
{
_currentAssigner = new ButtonKeyAssigner(button);
FocusManager.Instance.Focus(this, NavigationMethod.Pointer);
PointerPressed += MouseClick;
IKeyboard keyboard = (IKeyboard)ViewModel.AvaloniaKeyboardDriver.GetGamepad("0"); // Open Avalonia keyboard for cancel operations.
IButtonAssigner assigner = CreateButtonAssigner(isStick);
_currentAssigner.ButtonAssigned += (sender, e) =>
{
if (e.IsAssigned)
{
ViewModel.IsModified = true;
}
};
_currentAssigner.GetInputAndAssign(assigner, keyboard);
}
else
{
if (_currentAssigner != null)
{
ToggleButton oldButton = _currentAssigner.ToggledButton;
_currentAssigner.Cancel();
_currentAssigner = null;
button.IsChecked = false;
}
}
}
}
