public override void TouchesMoved(NSSet touches, UIEvent evt)
{
base.TouchesMoved(touches, evt);
var touch = touches.FirstOrDefault() as UITouch;
Pressure(touch);
}
public override void TouchesEnded(NSSet touches, UIEvent evt)
{
base.TouchesEnded(touches, evt);
// Add a conditional guard to deselect on map touch
if (Element != null && Element.ShouldDeselectOnMapTouch && _shouldNotDismiss)
{
var isAnnotation = false;
var touch = touches.FirstOrDefault() as UITouch;
if (touch != null && Control != null)
{
// Detect when an annotation is touched
// May be enhanced in the future to detect when an MKCircle, MKPolyline or MKPointAnnotaiton is touched
if (touch.View is MKAnnotationView)
{
isAnnotation = true;
}
}
if (!isAnnotation)
{
// Deselect annotation when map is touched
SelectedItem = null;
}
}
}
private void HandleTouches(NSSet touches, UIEvent evt)
{
var touch = touches.FirstOrDefault() as UITouch;
CGPoint point = touch.LocationInView(this);
this.SetValue(point.X * this.scale, point.Y * this.scale);
this.SetNeedsDisplayInRect(this.Bounds);
}
public override void TouchesBegan(NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
if (touches.FirstOrDefault() is UITouch touch && Control != null)
{
_touchBegan = touch.Timestamp;
}
_shouldNotDismiss = false; // reset
}
public MenuItem FindItem(string identifier)
{
MenuItem[] matchedItems = new MenuItem[] { };
var predicate = NSPredicate.FromExpression((evaluatedObject, bindings) =>
{
return(((MenuItem)evaluatedObject).ItemNameKey == identifier);
});
matchedItems = new NSSet <MenuItem>(ManagedDataBackingInstance)
.FilterUsingPredicate(predicate)
.ToArray <MenuItem>();
return(matchedItems.FirstOrDefault());
}
public override void TouchesEnded(NSSet touches, UIEvent evt)
{
base.TouchesEnded(touches, evt);
// Add a conditional guard to deselect on map touch
if (Element != null && Element.ShouldDeselectOnMapTouch && !_shouldNotDismiss)
{
var isAnnotation = false;
if (touches.FirstOrDefault() is UITouch touch && Control != null)
{
// MKAnnotationContainerView is a private inner class, so you cannot compare directly
var classHandle = Class.GetHandle("MKAnnotationContainerView");
var myClass = classHandle != IntPtr.Zero ? new Class(classHandle) : null;
if (myClass != null && touch.View.IsKindOfClass(myClass))
{
var cgPoint = touch.LocationInView(Control);
var location = Control.ConvertPoint(cgPoint, Control);
if (touch.Timestamp - _touchBegan >= 0.5) // 0.5 second like UILongPressGesture
{
Element.SendMapLongClicked(new Position(location.Latitude, location.Longitude));
}
else
{
Element.SendMapClicked(new Position(location.Latitude, location.Longitude));
}
}
// Detect when an annotation is touched
// May be enhanced in the future to detect when an MKCircle, MKPolyline or MKPointAnnotation is touched
if (touch.View is MKAnnotationView view && view.Annotation is UnifiedPointAnnotation unifiedPoint)
{
isAnnotation = true;
if (touch.Timestamp - _touchBegan < 0.5) // 0.5 second like UILongPressGesture
{
Element.SendPinClicked(unifiedPoint.Data);
}
else if (!unifiedPoint.Data.Draggable)
{
Element.SendPinLongClicked(unifiedPoint.Data);
}
}
}
if (!isAnnotation)
{
// Deselect annotation when map is touched
SelectedItem = null;
}
}
}
public override void TouchesMoved(NSSet touches, UIEvent evt)
{
var first = (UITouch)touches.FirstOrDefault();
if (first != null)
{
touchEvent.state = TouchState.Changed;
touchEvent.SetLocation(first.LocationInView(gesture.View), gesture.Scale);
gesture.OnTouch(touchEvent);
}
if (touchEvent.mode == GestureMode.None)
{
base.TouchesBegan(touches, evt);
}
}
/// <returns>The screen position as Mapsui point. Can be null.</returns>
private Point GetScreenPosition(NSSet touches)
{
if (touches.Count != 1)
{
return(null);
}
var touch = touches.FirstOrDefault() as UITouch;
var mapsuiPoint = touch?.LocationInView(this).ToMapsui();
if (mapsuiPoint == null)
{
return(null);
}
return(new Point(mapsuiPoint.X * _skiaScale, mapsuiPoint.Y * _skiaScale));
}
private void HandleInfo(NSSet touches)
{
if (touches.Count != 1)
{
return;
}
var touch = touches.FirstOrDefault() as UITouch;
if (touch == null)
{
return;
}
var screenPosition = touch.LocationInView(this);
Map.InvokeInfo(screenPosition.ToMapsui(), _renderer.SymbolCache);
}
public override void TouchesMoved (NSSet touches, UIEvent evt)
{
CanvasView.DrawTouches (touches, evt);
var touch = (UITouch)touches.FirstOrDefault ();
if (touch == null)
return;
UpdateReticleView (touch);
// Use the last predicted touch to update the reticle.
UITouch[] predictedTouches = evt?.GetPredictedTouches (touch);
UITouch predictedTouch = predictedTouches?.LastOrDefault ();
if (predictedTouch != null)
UpdateReticleView (predictedTouch, true);
}
public override void TouchesBegan(NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
var pointOfTouch = ((UITouch)touches.FirstOrDefault()).LocationInView(this);
pointOfTouch.Y += bottomMargin;
if (graphLayer.Contains(pointOfTouch))
{
touchDown = true;
editPoint = pointOfTouch;
UpdateFrequenciesAndResonance();
}
}
public override void TouchesMoved(NSSet touches, UIEvent evt)
{
CanvasView.DrawTouches(touches, evt);
var touch = (UITouch)touches.FirstOrDefault();
if (touch == null)
{
return;
}
UpdateReticleView(touch);
// Use the last predicted touch to update the reticle.
UITouch[] predictedTouches = evt?.GetPredictedTouches(touch);
UITouch predictedTouch = predictedTouches?.LastOrDefault();
if (predictedTouch != null)
{
UpdateReticleView(predictedTouch, true);
}
}
public override void TouchesBegan(NSSet touches, UIEvent evt)
{
if (trackedTouch == null)
{
trackedTouch = (UITouch)touches.FirstOrDefault();
initialTimestamp = trackedTouch.Timestamp;
if (!IsForPencil)
{
BeginIfNeeded(null);
}
fingerStartTimer = NSTimer.CreateScheduledTimer(cancellationTimeInterval, BeginIfNeeded);
}
if (Append(Touches(touches), evt))
{
if (IsForPencil)
{
State = Began;
}
}
}
private void TouchHandler(NSSet touches)
{
// Set reference to the location of the touch in member point
var touch = touches.FirstOrDefault() as UITouch;
if (touch == null)
{
return;
}
_point = touch.LocationInView(this);
var indicator = GetIndicatorCoordinate(_point);
_point = indicator.Point;
var color = (hue : (nfloat)0, saturation : (nfloat)0f);
if (!indicator.IsCenter)
{
color = HueSaturationAtPoint(new CGPoint(x: _point.X * _scale, y: _point.Y * _scale));
}
_color = UIColor.FromHSBA(hue: color.hue, saturation: color.saturation, brightness: _brightness, alpha: 1.0f);
nfloat red = 0f;
nfloat green = 0f;
nfloat blue = 0f;
nfloat alpha = 0f;
_color.GetRGBA(out red, out green, out blue, out alpha);
Console.WriteLine($"color hue: Red {Math.Round(red, 2)} Green {Math.Round(green, 2)} Blue {Math.Round(blue, 2)}");
// Notify delegate of the new Hue and Saturation
//delegate?.hueAndSaturationSelected(color.hue, saturation: color.saturation);
// Draw the indicator
DrawIndicator();
}
public override void TouchesBegan (NSSet touches, UIEvent evt)
{
if (trackedTouch == null) {
trackedTouch = (UITouch)touches.FirstOrDefault ();
initialTimestamp = trackedTouch.Timestamp;
if (!IsForPencil)
BeginIfNeeded (null);
fingerStartTimer = NSTimer.CreateScheduledTimer (cancellationTimeInterval, BeginIfNeeded);
}
if (Append (Touches(touches), evt)) {
if (IsForPencil)
State = Began;
}
}
public override void TouchesBegan (NSSet touches, UIEvent evt)
{
base.TouchesBegan (touches, evt);
var pointOfTouch = ((UITouch)touches.FirstOrDefault ()).LocationInView (this);
pointOfTouch.Y += bottomMargin;
if (graphLayer.Contains (pointOfTouch)) {
touchDown = true;
editPoint = pointOfTouch;
UpdateFrequenciesAndResonance ();
}
}
public override void TouchesBegan(NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
touchExited = false;
TouchMoved(touches.FirstOrDefault() as UITouch);
}
public override void TouchesCancelled(NSSet touches, UIEvent evt)
{
base.TouchesCancelled(touches, evt);
TouchEnded(touches.FirstOrDefault() as UITouch);
}
