//<summary>
//Instantiates a ViewportAdornment1 manager when a textView is created.
//</summary>
//<param name="textView">The <see cref="IWpfTextView"/> upon which the adornment should be placed</param>
public void TextViewCreated(IWpfTextView textView)
{
IComponentModel componentModel = ServiceProvider.GetService(typeof(SComponentModel)) as IComponentModel;
IVsEditorAdaptersFactoryService editorFactory = componentModel.GetService <IVsEditorAdaptersFactoryService>();
IServiceProvider sp = Package.GetGlobalService(
typeof(Microsoft.VisualStudio.OLE.Interop.IServiceProvider))
as Microsoft.VisualStudio.OLE.Interop.IServiceProvider;
IVsTextView vsTextView = editorFactory.CreateVsTextViewAdapter(sp);
var tve = new TextViewExtensions(editorFactory);
new ViewportAdornment1(textView, tve);
}
/// <summary>
/// Creates a square image and attaches an event handler to the layout changed event that
/// adds the the square in the upper right-hand corner of the TextView via the adornment layer
/// </summary>
/// <param name="view">The <see cref="IWpfTextView"/> upon which the adornment will be drawn</param>
public ViewportAdornment1(IWpfTextView view, TextViewExtensions tve)
{
_wpfTextView = view;
_textView = view;
_tve = tve;
Brush brush = new SolidColorBrush(Colors.Red);
brush.Freeze();
Brush penBrush = new SolidColorBrush(Colors.Red);
penBrush.Freeze();
Pen pen = new Pen(penBrush, 0.5);
pen.Freeze();
//draw a square with the created brush and pen
System.Windows.Rect r = new System.Windows.Rect(0, 0, 30, 30);
Geometry g = new RectangleGeometry(r);
GeometryDrawing drawing = new GeometryDrawing(brush, pen, g);
drawing.Freeze();
DrawingImage drawingImage = new DrawingImage(drawing);
drawingImage.Freeze();
_image = new Image();
_image.Source = drawingImage;
//Grab a reference to the adornment layer that this adornment should be added to
_adornmentLayer = view.GetAdornmentLayer("ViewportAdornment1");
_wpfTextView.ViewportHeightChanged += delegate { this.onSizeChange(); };
_wpfTextView.ViewportWidthChanged += delegate { this.onSizeChange(); };
_wpfTextView.MouseHover += _view_MouseHover;
}
