- mutable boost::signals2::signal<void ()> ContentMayChange;
- /** Emitted when something about a piece of our content has changed;
- * these emissions include when the position of the content changes.
- * Third parameter is true if signals are currently being emitted frequently.
- */
- mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int, bool)> ContentChanged;
- mutable boost::signals2::signal<void ()> ContentNotChanged;
+ mutable boost::signals2::signal<void (ChangeType, boost::weak_ptr<Content>, int, bool)> ContentChange;