public VisualButton Assign(TouchGestureType gesture)
{
// Should it replace the assignment?
this.mappingGestures.Add(gesture);
return this;
}
public TouchGestureEventArgs(TouchGesture direction)
{
this.m_direction = direction;
this.m_handled = false;
this.m_difference = 0;
this.m_type = TouchGestureType.Gesture;
}
public InputEvent Assign(TouchGestureType gesture)
{
// Should it replace the assignment?
this.mappingGestures.Add(gesture);
return this;
}
public TouchGestureEventArgs(TouchGesture direction)
{
this.m_direction = direction;
this.m_handled = false;
this.m_difference = 0;
this.m_type = TouchGestureType.Gesture;
}
public TouchGesture(TouchGestureType gestureType, Vector position, Vector position2, Vector delta, Vector delta2)
{
this.GestureType = gestureType;
this.Position = position;
this.Position2 = position2;
this.Delta = delta;
this.Delta2 = delta2;
}
/// <summary>
/// Recognize the gesture by the tracked data
/// </summary>
/// <returns>the type of gesture, if recognized</returns>
private TouchGestureType InterpretGesture()
{
TouchGestureType resultType = TouchGestureType.None;
if (pointTracker.Count == 2)
{
resultType = TouchGestureType.Pinch;
}
else if (pointTracker.Count == 1)
{
IEnumerator it = pointTracker.Values.GetEnumerator();
if (!it.MoveNext())
{
resultType = TouchGestureType.SingleTap;
}
else
{
List <Point> points = (List <Point>)it.Current;
// get first and last point from the list of points
if (points != null)
{
Point firstPoint = points[0];
Point lastPoint = points[points.Count - 1];
// horizontal and vertical movement
double deltaX = lastPoint.X - firstPoint.X;
double deltaY = lastPoint.Y - firstPoint.Y;
// Update the left & right moving edge
if (deltaX > 0 && deltaX > MaxRightPosition)
{
MaxRightPosition = deltaX;
}
else if (deltaX < 0 && deltaX < MaxLeftPosition)
{
MaxLeftPosition = deltaX;
}
// check if distance traveled on X and Y axis is more the minimum
// gesture length specified above
if (Math.Abs(deltaY) > MinimumMove && Math.Abs(deltaY) > Math.Abs(deltaX))
{
// if yDiff is negative, we moved upwards
resultType = (deltaY > 0) ? TouchGestureType.MoveTopToBottom : TouchGestureType.MoveBottomToUp;
}
if (Math.Abs(deltaX) > MinimumMove && Math.Abs(deltaX) > Math.Abs(deltaY))
{
// if xDiff is negative, we moved left
resultType = (deltaX > 0) ? TouchGestureType.MoveLeftToRight : TouchGestureType.MoveRightToLeft;
}
}
}
}
return(resultType);
}
public TouchGestureType GetGestureType(GestureRecognizer gesture)
{
TouchGestureType retGestureType = TouchGestureType.INVALID;
if (null != gesture)
{
for (int i = 0; i < m_gestures.Length; ++i)
{
if (gesture == m_gestures[i])
{
retGestureType = (TouchGestureType)i;
Debug.Assert(retGestureType < TouchGestureType.COUNT);
break;
}
}
}
return(retGestureType);
}
//This function will return the gesture if Active and ahead of the ifBeforeTheseTypes gestures in the active queue.
public GestureRecognizer GetActiveGesture(TouchGestureType type, params TouchGestureType[] ifBeforeTheseTypes)
{
Debug.Assert(type < TouchGestureType.COUNT);
GestureRecognizer retGesture = null;
if (TouchGestureType.CONTINUOUS_START <= type && type <= TouchGestureType.CONTINUOUS_END)
{
//Continuous Gestures need to be tested through the queue.
for (int i = 0; i < m_ActiveGestureList.Count; ++i)
{
TouchGestureType activeType = GetGestureType(m_ActiveGestureList[i]);
bool foundUnwanted = false;
for (int j = 0; !foundUnwanted && j < ifBeforeTheseTypes.Length; ++j)
{
foundUnwanted |= ifBeforeTheseTypes[j] == activeType;
}
if (foundUnwanted)
{
break;
}
else if (type == activeType)
{
retGesture = m_ActiveGestureList[i];
break;
}
}
}
else
{
//User Requested a discrete gesture. Don't use the active gesture list. Returning if active.
retGesture = m_gestures[(int)type].IsValidated ? m_gestures[(int)type] : null;
}
return(retGesture);
}
public Gesture(TouchGestureType val)
{
Value = val;
}
public TouchGesture()
{
_gestureType = TouchGestureType.NONE;
_metaData = null;
}
public TouchGesture(TouchGestureType gestureType)
{
this.GestureType = gestureType;
}
public TouchGestureEventArgs(long id, TouchGestureType type, SKPoint data)
{
Id = id;
Type = type;
Data = data;
}
