public void FromRect_Vector_Snaps_To_Device_Pixels()
{
var rect = new Rect(189, 189, 26, 164);
var result = PixelRect.FromRect(rect, new Vector(1.5, 1.5));
Assert.Equal(new PixelRect(283, 283, 40, 247), result);
}
/// <summary>
/// Moves the Popups position so that it doesnt overlap screen edges.
/// This method can be called immediately after Show has been called.
/// </summary>
public void SnapInsideScreenEdges()
{
var screen = Application.Current.MainWindow?.Screens.ScreenFromPoint(Position);
if (screen != null)
{
var scaling = VisualRoot.RenderScaling;
var bounds = PixelRect.FromRect(Bounds, scaling);
var screenX = Position.X + bounds.Width - screen.Bounds.X;
var screenY = Position.Y + bounds.Height - screen.Bounds.Y;
if (screenX > screen.Bounds.Width)
{
Position = Position.WithX(Position.X - (screenX - screen.Bounds.Width));
}
if (screenY > screen.Bounds.Height)
{
Position = Position.WithY(Position.Y - (screenY - screen.Bounds.Height));
}
}
}
