public MainPage()
{
this.InitializeComponent();
// Create a reference to the RadialController.
var controller = RadialController.CreateForCurrentView();
// Create the items for the menu
var itemResize = RadialControllerMenuItem.CreateFromFontGlyph("Resize", "\xE8B9", "Segoe MDL2 Assets");
var itemRotate = RadialControllerMenuItem.CreateFromFontGlyph("Rotate", "\xE7AD", "Segoe MDL2 Assets");
var itemMoveX = RadialControllerMenuItem.CreateFromFontGlyph("MoveX", "\xE8AB", "Segoe MDL2 Assets");
var itemMoveY = RadialControllerMenuItem.CreateFromFontGlyph("MoveY", "\xE8CB", "Segoe MDL2 Assets");
var itemColor = RadialControllerMenuItem.CreateFromFontGlyph("Color", "\xE7E6", "Segoe MDL2 Assets");
// Add the items to the menu
controller.Menu.Items.Add(itemResize);
controller.Menu.Items.Add(itemRotate);
controller.Menu.Items.Add(itemMoveX);
controller.Menu.Items.Add(itemMoveY);
controller.Menu.Items.Add(itemColor);
// Select the correct tool when the item is selected
itemResize.Invoked += (s, e) => _currentTool = CurrentTool.Resize;
itemRotate.Invoked += (s, e) => _currentTool = CurrentTool.Rotate;
itemMoveX.Invoked += (s, e) => _currentTool = CurrentTool.MoveX;
itemMoveY.Invoked += (s, e) => _currentTool = CurrentTool.MoveY;
itemColor.Invoked += (s, e) => _currentTool = CurrentTool.Color;
// Get all named colors and create brushes from them
_namedBrushes = typeof(Colors).GetRuntimeProperties().Select(c => new SolidColorBrush((Color)c.GetValue(null))).ToList();
controller.RotationChanged += ControllerRotationChanged;
// Leave only the Volume default item - Zoom and Undo won't be used
RadialControllerConfiguration config = RadialControllerConfiguration.GetForCurrentView();
config.SetDefaultMenuItems(new[] { RadialControllerSystemMenuItemKind.Volume });
config.ActiveControllerWhenMenuIsSuppressed = controller;
config.IsMenuSuppressed = true;
controller.ButtonHolding += (s, e) => _isButtonHolding = true;
controller.ButtonReleased += (s, e) => _isButtonHolding = false;
controller.UseAutomaticHapticFeedback = false;
ToolText.Text = _currentTool.ToString();
}
private void ControllerRotationChanged(RadialController sender,
RadialControllerRotationChangedEventArgs args)
{
if (_isButtonHolding)
{
_currentTool = args.RotationDeltaInDegrees > 0 ?
MoveNext(_currentTool) : MovePrevious(_currentTool);
ToolText.Text = _currentTool.ToString();
SendHapticFeedback(args.SimpleHapticsController, 1);
return;
}
switch (_currentTool)
{
case CurrentTool.Resize:
Scale.ScaleX += args.RotationDeltaInDegrees / 10;
Scale.ScaleY += args.RotationDeltaInDegrees / 10;
break;
case CurrentTool.Rotate:
Rotate.Angle += args.RotationDeltaInDegrees;
break;
case CurrentTool.MoveX:
if (CanMove(Translate, Scale, args.RotationDeltaInDegrees))
{
Translate.X += args.RotationDeltaInDegrees;
if (args.IsButtonPressed)
{
Translate.Y += args.RotationDeltaInDegrees;
}
}
else
{
SendHapticFeedback(args.SimpleHapticsController, 3);
}
break;
case CurrentTool.MoveY:
if (CanMove(Translate, Scale, args.RotationDeltaInDegrees))
{
Translate.Y += args.RotationDeltaInDegrees;
if (args.IsButtonPressed)
{
Translate.X += args.RotationDeltaInDegrees;
}
}
else
{
SendHapticFeedback(args.SimpleHapticsController, 3);
}
break;
case CurrentTool.Color:
_selBrush += (int)(args.RotationDeltaInDegrees / 10);
if (_selBrush >= _namedBrushes.Count)
{
_selBrush = 0;
}
if (_selBrush < 0)
{
_selBrush = _namedBrushes.Count - 1;
}
Rectangle.Fill = _namedBrushes[(int)_selBrush];
break;
default:
break;
}
}