OpenSceneToolbar

SceneView overlay toolbar that provides a dropdown for quickly opening scenes. Features bookmarked scenes (persisted via EditorPrefs), an edit mode for managing bookmarks, and context menu support for opening scenes with dependencies or additively.

Architecture

Data Flow

Classes

Class	Description
OpenSceneToolbarOverlay	SceneView ToolbarOverlay that registers the dropdown element
OpenSceneToolbarDropdown	EditorToolbarDropdown button with Paragon icon, disables during play mode
OpenSceneToolbarPopup	EditorWindow popup with bookmark and scene list views, edit mode, and persistence

Quick Lookup

Goal	How
Open the toolbar	Enable "Open Scene" overlay in SceneView overlay menu
Open a scene	Left-click a bookmarked scene
Open with options	Right-click a scene for context menu (dependencies, additive)
Manage bookmarks	Click the options gear icon to toggle edit mode
Add a bookmark	In edit mode, click "+" next to a scene in the scene list
Remove a bookmark	In edit mode, click "-" next to a bookmarked scene

Persistence

Bookmarks are stored as comma-separated scene GUIDs in EditorPrefs under the key "OpenSceneToolbarBookmarks". They persist across Unity sessions and are user-specific (not shared via version control).

See Also

• Paragon Editor — parent editor assembly