public Connection PickConnectionWithText(float x, float y)
{
var pickedNode = Graph.PickNode(x, y);
if (pickedNode == null)
{
return(null);
}
foreach (var output in pickedNode.Outputs)
{
var s = NvgHelper.MeasureString(output.Text);
var bound = output.GetBounds();
var r = bound.Radius;
var twor = 2 * r;
var outputRect = new Rectangle(bound.X - twor - s.Width, bound.Y - r, s.Width, s.Height);
if (!outputRect.Pick(x, y))
{
continue;
}
return(output);
}
return(null);
}
private bool ScreenContains(Node node)
{
var nodeRect = node.GetBounds();
var nodeRectOthers = node.Outputs.Select(connection => connection?.ConnectedNode?.ParentNode?.GetBounds())
.Where(rectangle => rectangle != null);
var screenTopLeft = _window.ScreenToCanvasSpace(Vector2.Zero);
var screenBotRight = _window.ScreenToCanvasSpace(new Vector2(_window.Width, _window.Height));
var screen = new Rectangle(screenTopLeft.X, screenTopLeft.Y,
screenBotRight.X - screenTopLeft.X, screenBotRight.Y - screenTopLeft.Y);
return(nodeRect.Intersects(screen) || nodeRectOthers.Any(node1 => node1.Intersects(screen)));
}
