private void TouchUp(object sender, TouchEventArgs e)
{
if (!Game.Input.IsMouseButtonReleased(MouseButton.Left))
{
return;
}
isInProgress = false;
Controller.ChangeCursor(null);
e.Handled = true;
// dragging state
if (isDragging)
{
isDragging = false;
if (dragAdorner != null)
{
// Create a collection with all properties that might have changed
var changes = new Dictionary <string, object>
{
{ nameof(UIElement.Margin), dragAdorner.GameSideElement.Margin },
{ nameof(UIElement.Width), dragAdorner.GameSideElement.Width },
{ nameof(UIElement.HorizontalAlignment), dragAdorner.GameSideElement.HorizontalAlignment },
{ nameof(UIElement.Height), dragAdorner.GameSideElement.Height },
{ nameof(UIElement.VerticalAlignment), dragAdorner.GameSideElement.VerticalAlignment },
//{ nameof(UIElement.Depth), dragAdorner.GameSideElement.Depth },
//{ nameof(UIElement.DepthAlignment), dragAdorner.GameSideElement.DepthAlignment },
};
// Propagate the changes to the asset
ApplyChanges(dragAdorner.GameSideElement.Id, changes);
dragAdorner.OnResizingCompleted();
}
dragAdorner = null;
return;
}
// other states
var editor = Controller.Editor;
var worldPosition = e.WorldPosition;
// Get the id of the game-side element that is under the pointer position
Guid elementId;
if (!TryGetElementIdAtPosition(ref worldPosition, out elementId))
{
// Nothing, clear the selection
editor.Dispatcher.InvokeAsync(() => editor.ClearSelection());
return;
}
// Select the corresponding asset-side UIElement, if pointer did not move between down and up events
var delta = (e.ScreenPosition - originScreenPosition) * new Vector2(Game.GraphicsDevice.Presenter.BackBuffer.Width, Game.GraphicsDevice.Presenter.BackBuffer.Height);
if (Math.Abs(delta.X) < System.Windows.SystemParameters.MinimumHorizontalDragDistance && Math.Abs(delta.Y) < System.Windows.SystemParameters.MinimumVerticalDragDistance)
{
var additiveSelection = Game.Input.IsKeyDown(Keys.LeftCtrl) || Game.Input.IsKeyDown(Keys.RightCtrl);
editor.Dispatcher.InvokeAsync(() => editor.Select(elementId, additiveSelection)).Forget();
}
}
/// <summary>
/// Cancels the current dragging state.
/// </summary>
private void CancelDrag()
{
if (!isInProgress)
{
return;
}
isInProgress = false;
Controller.ChangeCursor(null);
if (!isDragging)
{
return;
}
dragAdorner?.OnResizingCompleted();
}
