private void Update()
{
if (Input.touchCount > 0 || Input.GetMouseButton(0))
{
Tap?.Invoke();
}
}
protected override void OnMouseUp(MouseButtonEventArgs e)
{
base.OnMouseUp(e);
if (Tap != null &&
_tapped)
{
Tap.Invoke(this, new GestureEventArgs(new System.Windows.Point(), e.GetPosition(this))
{
OriginalSource = e.OriginalSource
});
_tapped = false;
}
}
private void TapTimer_Expired()
{
if (Mode == TouchMode.Normal)
{
if (TapCount == 1)
{
Tap?.Invoke(this, null);
}
else if (TapCount >= 2)
{
DoubleTap?.Invoke(this, null);
}
TapCount = 0;
}
}
private void UpdateTouchState()
{
var position = ViewportAdapter.PointToScreen(InputManager.TouchPosition());
if (BoundingRectangle().Intersects(new Rectangle(position, Vector2.One.ToPoint())))
{
if (InputManager.TouchDown())
{
_touchedDown = true;
TouchStarted?.Invoke(this, position);
}
else if (InputManager.TouchUp() && _touchedDown)
{
_touchedDown = false;
Tap?.Invoke(this, position);
Action?.Invoke(this, position);
}
}
else
{
_touchedDown = false;
}
}
private void Update()
{
if (Input.GetButton("Fire1"))
{
if (startTouchPosition == Vector2.zero)
{
startTouchPosition = (Vector2)Input.mousePosition;
}
}
else if (Input.GetButtonUp("Fire1"))
{
if (Vector2.Distance((Vector2)Input.mousePosition, startTouchPosition) > 10)
{
MovePlayer((Vector2)Input.mousePosition - startTouchPosition);
}
else
{
Tap.Invoke();
}
startTouchPosition = Vector2.zero;
}
}
/// <summary>
/// Raises the <see cref="Tap"/> event.
/// </summary>
/// <param name="touchID">The unique identifier of the touch which caused the tap.</param>
/// <param name="fingerID">The unique identifier of the finger which caused the tap.</param>
/// <param name="x">The normalized x-coordinate of the tap.</param>
/// <param name="y">The normalized y-coordinate of the tap.</param>
protected virtual void OnTap(Int64 touchID, Int64 fingerID, Single x, Single y)
{
Tap?.Invoke(this, touchID, fingerID, x, y);
}
internal void ProcessUp(int id, Vector2 position, DateTime time)
{
TouchElement element;
if (!_elements.TryGetValue(id, out element))
{
return;
}
Vector2 move = position - element.Position;
element.Position = position;
element.LockedListener = null;
_elements.Remove(id);
_gesture.GestureType = GestureType.Up;
_gesture.Origin = element.Origin;
_gesture.Position = position;
_gesture.PointerCapturedBy = element.LockedListener;
_gesture.TouchId = id;
_gesture.Offset = move;
_gesture.Time = time;
OnGesture();
if (element.LockedGesture == GestureType.HoldStart)
{
_gesture.GestureType = GestureType.HoldCancel;
OnGesture();
}
if (!_gesture.Handled)
{
if (element.LockedGesture == GestureType.None)
{
if ((element.Origin - element.Position).Length() < MinDragSize && (DateTime.Now - element.DownTime).TotalMilliseconds < HoldStartTimeInMs)
{
bool doubleTap = false;
if (_lastTap.HasValue)
{
if ((element.Position - _lastTap.Value.Position).Length() < DoubleTapSize)
{
_gesture.GestureType = GestureType.DoubleTap;
OnGesture();
doubleTap = true;
if (_gesture.Handled)
{
_lastTap = null;
return;
}
}
}
_gesture.GestureType = GestureType.Tap;
OnGesture();
Tap?.Invoke(_gesture.TouchId, _gesture.Position);
if (!_gesture.Handled)
{
if (doubleTap)
{
_lastTap = null;
}
else
{
_lastTap = new LastTap()
{
Position = _gesture.Position,
Time = 0
};
}
}
}
}
}
TouchUp?.Invoke(id, position);
}
protected virtual void OnMapLongTouch(MapLongTouchEventArgs e)
{
Tap?.Invoke(this, e);
}
public virtual void OnTap()
{
Tap?.Invoke();
}
private void OnMouseStuff(object sender, MouseEventArgs args)
{
if (args.RoutedEvent == UIElement.MouseUpEvent ||
(args.RoutedEvent == UIElement.MouseLeftButtonDownEvent && args.Source == null) ||
(args.RoutedEvent == UIElement.MouseMoveEvent && args.Source == null && args.LeftButton == MouseButtonState.Released))
{
MultitouchWindow.RemoveMouseListener(_attachedElement, OnMouseStuff);
if (!_downpoint.ContainsKey(-1))
{
return;
}
//if (args.OriginalSource != _attachedElement) return;
args.Handled = true;
Point current = args.GetPosition(args.Device.ActiveSource.RootVisual as IInputElement);
Vector jitter = Point.Subtract(current, _downpoint[-1]);
if (jitter.Length < Threshold)
{
if (Tap != null)
{
Tap.Invoke(_attachedElement, new TapEventArgs(args.MouseDevice, jitter));
}
if (args.Timestamp - _lasttap < DoubleTapDelay.TotalMilliseconds && DoubleTap != null)
{
DoubleTap.Invoke(_attachedElement, new TapEventArgs(args.MouseDevice, jitter));
}
if (_attachedElement is Control)
{
((Control)_attachedElement).RaiseEvent(
new MouseButtonEventArgs(args.MouseDevice, args.Timestamp,
((MouseButtonEventArgs)args).ChangedButton)
{
RoutedEvent = Control.MouseDoubleClickEvent
});
}
_lasttap = args.Timestamp;
}
}
else if (args.RoutedEvent == UIElement.MouseDownEvent)
{
MultitouchWindow.AddMouseListener(_attachedElement, OnMouseStuff);
_downpoint[-1] = args.GetPosition(args.Device.ActiveSource.RootVisual as IInputElement);
}
else if (args.RoutedEvent == UIElement.MouseMoveEvent)
{
if (!_downpoint.ContainsKey(-1))
{
return;
}
Point current = args.GetPosition(args.Device.ActiveSource.RootVisual as IInputElement);
if (Point.Subtract(current, _downpoint[-1]).Length > Threshold)
{
_downpoint.Remove(-1);
}
}
}
private void OnStylusStuff(object sender, StylusEventArgs args)
{
if (args.RoutedEvent == UIElement.StylusUpEvent ||
(args.RoutedEvent == UIElement.StylusDownEvent && args.Source == null) ||
(args.RoutedEvent == UIElement.StylusMoveEvent && args.Source == null && args.InAir))
{
MultitouchWindow.RemoveStylusListener(args.StylusDevice, _attachedElement, OnStylusStuff);
if (!_downpoint.ContainsKey(args.StylusDevice.Id))
{
return;
}
//if (args.OriginalSource != _attachedElement) return;
args.Handled = true;
Point current = args.GetPosition(args.Device.ActiveSource.RootVisual as IInputElement);
Vector jitter = Point.Subtract(current, _downpoint[args.StylusDevice.Id]);
if (jitter.Length < Threshold)
{
if (Tap != null)
{
Tap.Invoke(_attachedElement, new TapEventArgs(args.StylusDevice, jitter));
}
if (_button != null)
{
_button.SetValue(TapBehavior.IsPressedProperty, true);
_button.RaiseEvent(new RoutedEventArgs(ButtonBase.ClickEvent));
ExecuteCommandSource(_button);
}
if ((args.Timestamp - _lasttap) < DoubleTapDelay.TotalMilliseconds && DoubleTap != null)
{
DoubleTap.Invoke(_attachedElement, new TapEventArgs(args.StylusDevice, jitter));
}
if (_attachedElement is Control)
{
((Control)_attachedElement).RaiseEvent(
new MouseButtonEventArgs(Mouse.PrimaryDevice, args.Timestamp,
MouseButton.Left, args.StylusDevice)
{
RoutedEvent = Control.MouseDoubleClickEvent
});
}
_lasttap = args.Timestamp;
}
}
else if (args.RoutedEvent == UIElement.StylusDownEvent)
{
MultitouchWindow.AddStylusListener(args.StylusDevice, _attachedElement, OnStylusStuff);
_downpoint[args.StylusDevice.Id] = args.GetPosition(args.Device.ActiveSource.RootVisual as IInputElement);
if (_button != null)
{
_button.SetValue(TapBehavior.IsPressedProperty, true);
}
}
else if (args.RoutedEvent == UIElement.StylusMoveEvent)
{
if (!_downpoint.ContainsKey(args.StylusDevice.Id))
{
return;
}
Point current = args.GetPosition(args.Device.ActiveSource.RootVisual as IInputElement);
if (Point.Subtract(current, _downpoint[args.StylusDevice.Id]).Length > Threshold)
{
_downpoint.Remove(args.StylusDevice.Id);
if (_button != null)
{
_button.SetValue(TapBehavior.IsPressedProperty, false);
}
}
}
}
protected virtual void OnTap(TapEventArgs e)
{
Tap?.Invoke(this, e);
}
public event Action <LoadUIElement> Tap; // when this is tapped, share is tapped, or delete is tapped
public LoadUIElement(String filePath) : base()
{
this.filePath = filePath;
this.Orientation = StackOrientation.Horizontal; //
this.BackgroundColor = Color.Black; // Stylistic choices
this.HeightRequest = 50; //
// Make a new label initialized with the song name
Label songLabel = new Label
{
Text = FileUtilities.SongNameFromFilePath(filePath), // Make sure it displays the name of song
FontSize = 20, //*
BackgroundColor = Color.Black, //*
TextColor = Color.White, //* Stylistic choices
HorizontalTextAlignment = TextAlignment.Start, //*
HorizontalOptions = LayoutOptions.StartAndExpand, //*
VerticalOptions = LayoutOptions.CenterAndExpand, //*
InputTransparent = true, // Ensures the user can't tap on label instead of main body of this object
Margin = new Thickness(17.0, 0.0)
};
// Make a button that lets user delete this object's song
Button deleteButton = new Button
{
Text = "DELETE",
TextColor = Color.Red,
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.End,
Margin = 7
};
// Make a button that prompts user to share this song
Button shareButton = new Button
{
Text = "SHARE",
TextColor = Color.Blue,
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.End,
Margin = 22
};
this.Children.Add(songLabel); //
this.Children.Add(shareButton); // Add visual elements to this object
this.Children.Add(deleteButton); //
// Ensure that gestures on the delete button, share button and rest of object are handled by public events
deleteButton.Clicked += (s, e) => { DeleteClicked.Invoke(this); };
shareButton.Clicked += (s, e) => { ShareClicked.Invoke(this); };
TapGestureRecognizer tgr = new TapGestureRecognizer()
{
Command = new Command(() => { Tap.Invoke(this); })
};
this.GestureRecognizers.Add(tgr);
}
protected virtual void OnTap(bool tapped)
{
Tap?.Invoke(this, tapped);
}
public MiniGrid(int semitoneShift) : base()
{
this.semitoneShift = semitoneShift;
//No grid spacing
this.ColumnSpacing = 0;
this.RowSpacing = 0;
this.BackgroundColor = Color.Black;
//Using GridUnitType.Star means the squares will split the grid in half horizontally and vertically
this.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
this.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
}); // Add in column definitions
this.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
});
this.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
}); // Add in row definitions
// Add in boxviews
topLeft = new BoxView {
BackgroundColor = NoNotesColor
};
topRight = new BoxView {
BackgroundColor = NoNotesColor
};
bottomLeft = new BoxView {
BackgroundColor = NoNotesColor
};
bottomRight = new BoxView {
BackgroundColor = NoNotesColor
};
this.Children.Add(topLeft, 0, 0);
this.Children.Add(topRight, 1, 0);
this.Children.Add(bottomLeft, 0, 1);
this.Children.Add(bottomRight, 1, 1);
//When created the top left boxview will cover the whole grid
Grid.SetColumnSpan(topLeft, 2);
Grid.SetRowSpan(topLeft, 2);
// Give the grid a tapGesture recognizer
TapGestureRecognizer tgr = new TapGestureRecognizer()
{
Command = new Command(delegate()
{
Tap.Invoke(this);
})
};
//Add recognizer to the grid itself and each of the boxes
this.GestureRecognizers.Add(tgr);
topLeft.GestureRecognizers.Add(tgr);
topRight.GestureRecognizers.Add(tgr);
bottomLeft.GestureRecognizers.Add(tgr);
bottomRight.GestureRecognizers.Add(tgr);
}
/// <summary> /// Raises the <see cref="Tap"/> event. /// </summary> /// <param name="fingerID">A value which identifies the finger which was tapped.</param> /// <param name="x">The x-coordinate at which the finger was tapped.</param> /// <param name="y">The y-coordinate at which the finger was tapped.</param> protected virtual void OnTap(Int64 fingerID, Single x, Single y) => Tap?.Invoke(this, fingerID, x, y);
