message: Add a window function.
diff: @@ -32,6 +32,7 @@ use gfx::Factory;
  use gfx_device_gl;
  use glutin;
  use old_school_gfx_glutin_ext::*;
  +use winit;
  use crate::conf;
  use crate::conf::WindowMode;
  @@ -863,6 +864,19 @@ pub fn set_window_title(context: &Context, title: &str) {
  context.gfx_context.window.window().set_title(title);
  }
  +/// Sets the window position.
  +pub fn set_window_position<P: Into<winit::dpi::Position>>(
  + context: &Context,
  + position: P,
  +) -> GameResult<()> {
  + context
  + .gfx_context
  + .window
  + .window()
  + .set_outer_position(position);
  + Ok(())
  +}
  +
  /// Returns a reference to the Glutin window.
  /// Ideally you should not need to use this because ggez
  /// would provide all the functions you need without having
  