OK so the window works

src/editor.rs

@@ -58,6 +58,7 @@ fn init_editor(
 
 fn open_editor(
 	mut ws: Query<&mut Window, With<Editor>>,
+	state: Res<State<EditorState>>,
 ) {
 	ws.iter_mut().for_each(|mut w| {
 		w.visible = true;
@@ -66,6 +67,7 @@ fn open_editor(
 
 fn close_editor(
 	mut ws: Query<&mut Window, With<Editor>>,
+	state: Res<State<EditorState>>,
 ) {
 	ws.iter_mut().for_each(|mut w| {
 		w.visible = false;
@@ -75,10 +77,16 @@ fn close_editor(
 fn toggle_editor(
 	state: Res<State<EditorState>>,
 	mut next_state: ResMut<NextState<EditorState>>,
+	keys: Res<ButtonInput<KeyCode>>,
+	mut catch: Local<bool>,
 ) {
-	info!("Toggling editor on/off");
+	if keys.pressed(KeyCode::F3) && !*catch {
+		*catch = true;
 		match state.get() {
 			EditorState::Open => next_state.set(EditorState::Closed),
 			EditorState::Closed => next_state.set(EditorState::Open),
 		}
+	} else {
+		*catch = false;
+	}
 }

src/prelude.rs

@@ -10,9 +10,9 @@ pub(crate) use bevy::render::render_resource::{
     Extent3d, TextureDescriptor, TextureDimension, TextureFormat, TextureUsages,
 };
 pub(crate) use bevy::window::WindowRef;
-pub(crate) use bevy::input::common_conditions::input_just_pressed;
 pub(crate) use bevy::window::{PrimaryWindow, WindowCloseRequested};
 pub(crate) use bevy::window::ExitCondition;
+pub(crate) use bevy::input::common_conditions::input_just_pressed;
 
 /// Bevy Plugins
 pub(crate) use bevy_mod_picking::prelude::*;