SCIOverviewAnnotationDragDelegate

@protocol SCIOverviewAnnotationDragDelegate <NSObject>

Defines the listener interface for drag events in the SCIRangeSelectorAnnotation instance.


                        
                        
                        -onDragStarted:

Called when a Drag or move operation starts.

Objective-C

- (void)onDragStarted:(nonnull id<ISCIAnnotation>)annotation;

Swift

optional func onDragStarted(_ annotation: any ISCIAnnotation)


                                    annotation

The target annotation.


                        
                        
                        -onDragAnnotation:byXDelta:yDelta:

Called when annotation is dragged or moved.

Objective-C

- (void)onDragAnnotation:(nonnull id<ISCIAnnotation>)annotation
                byXDelta:(CGFloat)xDelta
                  yDelta:(CGFloat)yDelta;

Swift

optional func onDrag(_ annotation: any ISCIAnnotation, byXDelta xDelta: CGFloat, yDelta: CGFloat)

`annotation`	The target annotation.
`xDelta`	The horizontal offset in pixels since last drag event.
`yDelta`	The horizontal offset in pixels since last drag event.


                        
                        
                        -onDragEnded:

Called when a Drag or Move operation ends.

Objective-C

- (void)onDragEnded:(nonnull id<ISCIAnnotation>)annotation;

Swift

optional func onDragEnded(_ annotation: any ISCIAnnotation)


                                    annotation

The target annotation.