Update lib

GDTIM-vgodot4support/CustomInputEvents/InputEventScreenCancel.gd

@@ -0,0 +1,12 @@
+class_name InputEventScreenCancel
+extends InputEventAction
+
+var raw_gesture : RawGesture
+var event       : InputEvent
+
+func _init(_raw_gesture : RawGesture, _event : InputEvent) -> void:
+	raw_gesture = _raw_gesture
+	event       = _event
+
+func as_string() -> String:
+	return "gesture canceled"

GDTIM-vgodot4support/InputManager.gd

@@ -63,6 +63,7 @@ signal multi_long_press
 signal pinch
 signal twist
 signal raw_gesture
+signal cancel
 signal any_gesture
 
 ########
@@ -154,6 +155,10 @@ func _handle_mouse_motion(event : InputEventMouseMotion) -> void:
 		_emit("twist", twist_event)
 
 func _handle_screen_touch(event : InputEventScreenTouch) -> void:
+	if event.index < 0:
+		_emit("cancel", InputEventScreenCancel.new(raw_gesture_data, event))
+		_end_gesture()
+		return
 
 	# ignore orphaned touch release events
 	if !event.pressed and not event.index in raw_gesture_data.presses:
@@ -196,6 +201,11 @@ func _handle_screen_touch(event : InputEventScreenTouch) -> void:
 		_cancel_single_drag()
 
 func _handle_screen_drag(event : InputEventScreenDrag) -> void:
+	if event.index < 0:
+		_emit("cancel", InputEventScreenCancel.new(raw_gesture_data, event))
+		_end_gesture()
+		return
+
 	raw_gesture_data._update_screen_drag(event)
 	_emit("raw_gesture", raw_gesture_data)
 	if raw_gesture_data.drags.size() > 1: