add documentation

crates/bevy_winit/src/winit_config.rs

@@ -28,6 +28,8 @@ impl WinitSettings {
     ///
     /// [`Reactive`](UpdateMode::Reactive) if windows have focus,
     /// [`ReactiveLowPower`](UpdateMode::ReactiveLowPower) otherwise.
+    ///
+    /// Use the [`EventLoopProxy`](crate::EventLoopProxy) to request a redraw from outside bevy.
     pub fn desktop_app() -> Self {
         WinitSettings {
             focused_mode: UpdateMode::Reactive {
@@ -72,6 +74,7 @@ pub enum UpdateMode {
     /// - a redraw has been requested by [`RequestRedraw`](bevy_window::RequestRedraw)
     /// - new [window](`winit::event::WindowEvent`) or [raw input](`winit::event::DeviceEvent`)
     /// events have appeared
+    /// - a redraw has been requested with the [`EventLoopProxy`](crate::EventLoopProxy)
     Reactive {
         /// The approximate time from the start of one update to the next.
         ///
@@ -84,6 +87,7 @@ pub enum UpdateMode {
     /// - `wait` time has elapsed since the previous update
     /// - a redraw has been requested by [`RequestRedraw`](bevy_window::RequestRedraw)
     /// - new [window events](`winit::event::WindowEvent`) have appeared
+    /// - a redraw has been requested with the [`EventLoopProxy`](crate::EventLoopProxy)
     ///
     /// **Note:** Unlike [`Reactive`](`UpdateMode::Reactive`), this mode will ignore events that
     /// don't come from interacting with a window, like [`MouseMotion`](winit::event::DeviceEvent::MouseMotion).