protected void LeaveUnhoveredFragments(MouseState mouse)
{
var pos = mouse.Position;
List <Fragment> leavedFragments = null;
foreach (var fragment in MouseHoverFragments)
{
if (!mouse.IsOverView || !fragment.Contains(pos))
{
if (fragment.IsMouseHover)
{
fragment.MouseLeave?.Invoke();
fragment.IsMouseHover = false;
}
if (leavedFragments == null)
{
leavedFragments = new List <Fragment>();
}
leavedFragments.Add(fragment);
}
}
leavedFragments?.ForEach(f => MouseHoverFragments.Remove(f));
}
private void SetMouseHoverCore(Fragment fragment)
{
fragment.IsMouseHover = true;
fragment.MouseEnter();
MouseHoverFragments.Add(fragment);
}
