ability to remove startup scenes from context menu

editor/src/scene_viewer/menu.rs

@@ -43,6 +43,7 @@ pub struct SceneItemMenu {
     show_in_explorer: Handle<MenuItem>,
     placement_target: Handle<UiNode>,
     mark_as_startup: Handle<MenuItem>,
+    unmark_as_startup: Handle<MenuItem>,
 }
 
 pub enum SceneItemAction {
@@ -50,12 +51,14 @@ pub enum SceneItemAction {
     Close(Uuid),
     ShowInExplorer(Uuid),
     MarkAsStartup(Uuid),
+    UnmarkAsStartup(Uuid),
 }
 
 impl SceneItemMenu {
     pub const CLOSE: Uuid = uuid!("e4c7f0eb-c9a7-4cf2-af4b-78c028be9c58");
     pub const SHOW_IN_EXPLORER: Uuid = uuid!("97a43a80-7860-4fce-b0fa-26ae6677d132");
     pub const MARK_AS_STARTUP: Uuid = uuid!("a5ef73ba-0523-44f3-99f5-93b0e47dead1");
+    pub const UNMARK_AS_STARTUP: Uuid = uuid!("ec301930-f99b-40f4-b3bd-e987a598c0a2");
 
     pub fn new(ctx: &mut BuildContext) -> Self {
         let close = create_menu_item("Close", Self::CLOSE, vec![], ctx);
@@ -63,11 +66,14 @@ impl SceneItemMenu {
             create_menu_item("Show In Explorer", Self::SHOW_IN_EXPLORER, vec![], ctx);
         let mark_as_startup =
             create_menu_item("Mark as Startup", Self::MARK_AS_STARTUP, vec![], ctx);
+        let unmark_as_startup =
+            create_menu_item("Unmark as Startup", Self::UNMARK_AS_STARTUP, vec![], ctx);
         let content = StackPanelBuilder::new(
             WidgetBuilder::new()
                 .with_child(close)
                 .with_child(show_in_explorer)
-                .with_child(mark_as_startup),
+                .with_child(mark_as_startup)
+                .with_child(unmark_as_startup),
         )
         .build(ctx);
         let menu = ContextMenuBuilder::new(
@@ -81,6 +87,7 @@ impl SceneItemMenu {
             close,
             show_in_explorer,
             mark_as_startup,
+            unmark_as_startup,
             placement_target: Default::default(),
         }
     }
@@ -98,6 +105,8 @@ impl SceneItemMenu {
                     return SceneItemAction::ShowInExplorer(placement_target_id);
                 } else if message.destination == self.mark_as_startup {
                     return SceneItemAction::MarkAsStartup(placement_target_id);
+                } else if message.destination == self.unmark_as_startup {
+                    return SceneItemAction::UnmarkAsStartup(placement_target_id);
                 }
             }
         } else if let Some(PopupMessage::Placement(Placement::Cursor(target))) =

editor/src/scene_viewer/mod.rs

@@ -723,6 +723,13 @@ impl SceneViewer {
                     }
                 }
             }
+            SceneItemAction::UnmarkAsStartup(scene_id) => {
+                if let Some(entry) = scenes.entry_by_scene_id(scene_id) {
+                    if let Some(entry_path) = entry.path.as_ref() {
+                        settings.general.remove_startup_scene(entry_path);
+                    }
+                }
+            }
         }
 
         if let Some(ButtonMessage::Click) = message.data::<ButtonMessage>() {

editor/src/settings/general.rs

@@ -95,6 +95,12 @@ impl GeneralSettings {
         }
         self.startup_scenes.push(path.clone());
     }
+
+    pub fn remove_startup_scene(&mut self, path: &PathBuf) {
+        while let Some(pos) = self.startup_scenes.iter().position(|p| p == path) {
+            self.startup_scenes.remove(pos);
+        }
+    }
 }
 
 fn default_style() -> EditorStyle {