public static IDisposable TrackScreenSize(this GameRendering r, Insets insets = new Insets())
{
void UpdateBounds()
{
var cb = r.Game.Window.ClientBounds;
var x = insets.Left;
var y = insets.Top;
var w = Math.Max(1, cb.Width - insets.Horizontal);
var h = Math.Max(1, cb.Height - insets.Vertical);
r.Bounds = new Rect(x, y, w, h);
}
void Handler(object o, EventArgs eventArgs) => UpdateBounds();
var changeGuardian = WindowSizeChangeGuardian.Install(r.Game);
EventHandler handlerRef = Handler;
changeGuardian.WindowSizeChanged += handlerRef;
// finally initialize once
UpdateBounds();
return(new ScreenTrackingSubscription(r, handlerRef));
}
public ScreenTrackingSubscription(GameRendering gameRendering, EventHandler registeredListener)
{
this.gameRendering = gameRendering ?? throw new ArgumentNullException(nameof(gameRendering));
this.registeredListener = registeredListener ?? throw new ArgumentNullException(nameof(registeredListener));
}