/* Canvas event handlers */
- bool canvas_scroll_event (GdkEventScroll* event);
+ bool canvas_scroll_event (GdkEventScroll* event, bool from_canvas);
bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);