Esempio n. 1
0
        public override void TouchesBeganWithEvent(NSEvent aEvent)
        {
            if (!Enabled)
            {
                return;
            }

            NSSet touches = aEvent.TouchesMatchingPhaseinView(NSTouchPhase.Touching, View);

            if (touches.Count == 2)
            {
                iInitialPoint = View.ConvertPointFromBase(aEvent.LocationInWindow);
                foreach (NSTouch t in touches.ToArray <NSTouch>())
                {
                    iInitialTouches.Add(t);
                    iCurrentTouches.Add(t);
                }
            }
            else if (touches.Count > 2)
            {
                if (iIsTracking)
                {
                    CancelTracking();
                }
            }
        }
Esempio n. 2
0
        public override void TouchesMovedWithEvent(NSEvent aEvent)
        {
            if (!Enabled)
            {
                return;
            }

            iModifiers = aEvent.ModifierFlags;
            NSSet touches = aEvent.TouchesMatchingPhaseinView(NSTouchPhase.Touching, View);

            if (touches.Count == 2 && iInitialTouches.Count > 0)
            {
                foreach (NSTouch t in touches.ToArray <NSTouch>())
                {
                    if (t == iInitialTouches[0])
                    {
                        iCurrentTouches[0] = t;
                    }
                    else
                    {
                        iCurrentTouches[1] = t;
                    }
                }

                if (!iIsTracking)
                {
                    PointF deltaOrigin = DeltaOrigin();
                    SizeF  deltaSize   = DeltaSize();

                    if (Math.Abs(deltaOrigin.X) > iThreshold || Math.Abs(deltaOrigin.Y) > iThreshold || Math.Abs(deltaSize.Width) > iThreshold || Math.Abs(deltaSize.Height) > iThreshold)
                    {
                        iIsTracking = true;
                        if (EventBegin != null)
                        {
                            EventBegin(this, EventArgs.Empty);
                        }
                    }
                }
                else
                {
                    if (EventUpdate != null)
                    {
                        EventUpdate(this, EventArgs.Empty);
                    }
                }
            }
        }