public MainWindow() :
base(WindowType.Toplevel)
{
SetDefaultSize(2160, 2160);
SetPosition(WindowPosition.Center);
GtkHelpers.InitializeColors();
if (!LevelManager.Initialize(this))
{
MessageDialog md = new MessageDialog(this,
DialogFlags.Modal, MessageType.Error,
ButtonsType.Ok, "Couldn't find levels folder - exiting");
md.Run();
md.Destroy();
Gtk.Application.Quit();
}
AddWidgetsAndShow(EditorMode.Level);
}