/// <summary>
/// Creates a touch control
/// </summary>
/// <param name="entryCommand"></param>
/// <param name="parentWindow"></param>
public TouchControl(TouchBranchCommand entryCommand, Window parentWindow)
{
InitializeComponent();
initializeBrushes();
var segmentAmount = entryCommand.Commands.Count();
int index = 0;
foreach (var command in entryCommand.Commands)
{
// Slice shape:
var segment = TouchControlShapeFactory.GetSegment(segmentAmount, index);
var path = new Path()
{
Data = segment,
};
touchCanvas.Children.Add(path);
// Invisible border that holds and centers the text label:
var border = new Border()
{
Width = TEXT_AVAILABLE_WIDTH,
Height = TEXT_AVAILABLE_HEIGHT,
IsHitTestVisible = false,
};
var textCenter = TouchControlShapeFactory.GetTextPosition(segmentAmount, index);
Canvas.SetLeft(border, textCenter.X - TEXT_AVAILABLE_WIDTH / 2);
Canvas.SetRight(border, textCenter.X + TEXT_AVAILABLE_WIDTH / 2);
Canvas.SetTop(border, textCenter.Y - TEXT_AVAILABLE_HEIGHT / 2);
Canvas.SetBottom(border, textCenter.Y + TEXT_AVAILABLE_HEIGHT / 2);
// The text label, centered inside the invisible border
var text = new TextBlock()
{
Text = command.DisplayName,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
};
border.Child = text;
touchCanvas.Children.Add(border);
// Give action to the slice. Looking forward to using extended `is` expression in pattern matching (https://github.com/dotnet/roslyn/issues/206)
var vsCommand = command as TouchVSCommand;
var branchCommand = command as TouchBranchCommand;
if (vsCommand != null)
{
path.TouchUp += (s, e) =>
{
e.Handled = true;
VisualStudioModule.ExecuteCommand(vsCommand.VsCommandName, vsCommand.VsCommandParams);
parentWindow.Hide();
};
}
else if (branchCommand != null)
{
path.TouchUp += (s, e) =>
{
e.Handled = true;
parentWindow.Hide();
Show(branchCommand, e);
};
}
index++;
}
}
/// <summary>
/// Shows a window that contains the TouchControl
/// </summary>
/// <param name="entryPoint"></param>
/// <param name="touchEvent"></param>
internal static void Show(TouchBranchCommand entryPoint, TouchEventArgs touchEvent)
{
var position = touchEvent.GetTouchPoint(null).Position.FixCoordinates(touchEvent.Source as DependencyObject);
Window touchWindow;
if (!windowCache.TryGetValue(entryPoint, out touchWindow))
{
touchWindow = new Window()
{
ShowInTaskbar = false,
ShowActivated = true,
AllowsTransparency = true,
Background = new SolidColorBrush(Colors.Transparent),
WindowStyle = WindowStyle.None,
WindowStartupLocation = WindowStartupLocation.Manual,
Width = TouchControlShapeFactory.DIAMETER + 2, // 2 accounts for 1px margins of the canvas
Height = TouchControlShapeFactory.DIAMETER + 2,
};
touchWindow.Content = new TouchControl(entryPoint, touchWindow)
{
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
};
touchWindow.LostFocus += (s, e) => { touchWindow.Hide(); };
touchWindow.Deactivated += (s, e) => { touchWindow.Hide(); };
touchWindow.Closed += (s, e) =>
{
touchWindow.Content = null;
touchWindow = null;
windowCache.Remove(entryPoint);
};
windowCache.Add(entryPoint, touchWindow);
}
// Move the window such that "position" point is in the middle, and show the window
touchWindow.Left = position.X - TouchControlShapeFactory.DIAMETER / 2;
touchWindow.Top = position.Y - TouchControlShapeFactory.DIAMETER / 2;
touchWindow.Show();
touchWindow.Focus();
}
