public void UpdateTouches()
{
lock (TouchLock)
{
if (!RawTouchesUpdated)
{
return;
}
foreach (var rawTouch in RawTouches)
{
Touch prevTouch = touches.Find(s => s.Id == rawTouch.Id);
Touch thisTouch = prevTouch != null ? prevTouch : new Touch(rawTouch);
if (!rawTouch.Up)
{
newTouches.Add(thisTouch);
}
DownListeners.ForEach(dl => dl.CheckAndInvoke(thisTouch));
if (prevTouch == null)
{
// New touch
PressListeners.ForEach(dl => dl.CheckAndInvoke(thisTouch));
}
else if (!rawTouch.Up)
{
// Existing touch
touches.Remove(thisTouch);
thisTouch.Update(rawTouch);
}
}
for (int i = 0; i < touches.Count; i++)
{
// Released touch
ReleaseListeners.ForEach(dl => dl.CheckAndInvoke(touches[i]));
}
DownListeners.UpdateChanges();
PressListeners.UpdateChanges();
ReleaseListeners.UpdateChanges();
touches.Clear();
var empty = touches;
touches = newTouches;
newTouches = empty;
RawTouches.Clear();
RawTouchesUpdated = false;
}
}
private void InitLayers()
{
Layers = new SynchronousList <Layer>(-3);
Layers.ItemAdded += OnLayerAdded;
Layers.ItemRemoved += OnLayerRemoved;
for (int i = 0; i < 7; i++)
{
Layers.Add(new Layer());
}
// This is the widget layer
Layers.Add(Layer.CreateStaticLayer());
Layers.UpdateChanges();
}
public void UpdateTouches()
{
var xnaTouches = XnaTouchPanel.GetState();
for (int i = 0; i < xnaTouches.Count; i++)
{
Touch prevTouch = touches.Find(s => s.Id == xnaTouches[i].Id);
Touch thisTouch = prevTouch != null ? prevTouch : new Touch(screen, xnaTouches[i]);
newTouches.Add(thisTouch);
DownListeners.ForEach(dl => dl.CheckAndInvoke(thisTouch));
if (prevTouch == null)
{
// New touch
PressListeners.ForEach(dl => dl.CheckAndInvoke(thisTouch));
}
else
{
// Existing touch
touches.Remove(thisTouch);
thisTouch.Update(xnaTouches[i]);
}
}
for (int i = 0; i < touches.Count; i++)
{
// Released touch
ReleaseListeners.ForEach(dl => dl.CheckAndInvoke(touches[i]));
}
DownListeners.UpdateChanges();
PressListeners.UpdateChanges();
ReleaseListeners.UpdateChanges();
touches.Clear();
var empty = touches;
touches = newTouches;
newTouches = empty;
}
public override void Update(Time time)
{
if (_touch != null)
{
_indexDelta = (_touch.PositionOnScreen.Y - _touchStart) / TextSize.Y;
}
else if (_indexVelocity > 0)
{
_indexDelta += Math.Sign(_indexDelta) * _indexVelocity * time.SinceLastUpdate.TotalSeconds;
_indexVelocity *= 0.95;
if (_indexVelocity < 1.5)
{
SelectedIndex += (int)Math.Round(_indexDelta);
_indexDelta = 0;
_indexVelocity = 0;
}
}
_controls.UpdateChanges();
base.Update(time);
}
/// <summary>
/// Instantly applies changes made to the layer's objects.
/// </summary>
public void ApplyChanges()
{
Effects.UpdateChanges();
Objects.UpdateChanges();
}