gesturerecognizer

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GestureRecognizer		object

Description
An object that monitors events and calls its action method when a predefined sequence of events occur.

To trigger user on dialog events, call ViewSetXxxxGestureRecognizer on the view. To pick up events via a callback function, call ViewSetXxxxGestureRecognizerCallback on the view.

Dialog events

_gestureRecognizerClick	- ViewSetClickGestureRecognizer must be called on the view in order to trigger this event
_gestureRecognizerMagnification	- ViewSetMagnificationGestureRecognizer must be called on the view in order to trigger this event
_gestureRecognizerPan	- ViewSetPanGestureRecognizer must be called on the view in order to trigger this event
_gestureRecognizerPress	- ViewSetPressGestureRecognizer must be called on the view in order to trigger this event
_gestureRecognizerRotation	- ViewSetRotationGestureRecognizer must be called on the view in order to trigger this event

Callback example
void local fn MyGestureRecognizerCallback( ref as GestureRecognizerRef, theViewTag as NSInteger, userData as ptr )

// ...

end fn

Apple documentation
NSGestureRecognizer
NSClickGestureRecognizer
NSMagnificationGestureRecognizer
NSPanGestureRecognizer
NSPressGestureRecognizer
NSRotationGestureRecognizer