//--//
public TouchScreen(ActiveRectangle[] activeRectangles)
{
int bpp, orientation;
Microsoft.SPOT.Hardware.HardwareProvider hwProvider = Microsoft.SPOT.Hardware.HardwareProvider.HwProvider;
hwProvider.GetLCDMetrics(out _maxWidth, out _maxHeight, out bpp, out orientation);
if (activeRectangles == null || activeRectangles.Length == 0)
{
this.ActiveRegions = new ActiveRectangle[] { new ActiveRectangle(0, 0, _maxWidth, _maxHeight, null) };
}
else
{
this.ActiveRegions = activeRectangles;
}
}
bool IEventListener.OnEvent(BaseEvent ev)
{
/// Process known events, otherwise forward as generic to MainWindow.
///
TouchEvent touchEvent = ev as TouchEvent;
if (touchEvent != null)
{
// dispatch only when the event is in the active area
for (int i = 0; i < _activeRegions.Length; ++i)
{
ActiveRectangle ar = _activeRegions[i];
// only check the first
if (ar.Contains(touchEvent.Touches[0]))
{
TouchScreenEventArgs tea = new TouchScreenEventArgs(touchEvent.Time, touchEvent.Touches, ar.Target);
switch ((TouchMessages)touchEvent.EventMessage)
{
case TouchMessages.Down:
if (OnTouchDown != null)
{
OnTouchDown(this, tea);
}
break;
case TouchMessages.Up:
if (OnTouchUp != null)
{
OnTouchUp(this, tea);
}
break;
case TouchMessages.Move:
if (OnTouchMove != null)
{
OnTouchMove(this, tea);
}
break;
}
}
}
return(true);
}
else if (ev is GenericEvent)
{
GenericEvent genericEvent = (GenericEvent)ev;
switch (genericEvent.EventCategory)
{
case (byte)EventCategory.Gesture:
{
TouchGestureEventArgs ge = new TouchGestureEventArgs();
ge.Gesture = (TouchGesture)genericEvent.EventMessage;
ge.X = genericEvent.X;
ge.Y = genericEvent.Y;
ge.Arguments = (ushort)genericEvent.EventData;
if (ge.Gesture == TouchGesture.Begin && OnGestureStarted != null)
{
OnGestureStarted(this, ge);
}
else if (ge.Gesture == TouchGesture.End && OnGestureEnded != null)
{
OnGestureEnded(this, ge);
}
else if (OnGestureChanged != null)
{
OnGestureChanged(this, ge);
}
break;
}
default:
break;
}
}
return(false);
}
