1 files changed, 78 insertions, 0 deletions
diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Search/SearchResultBackgroundRenderer.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Search/SearchResultBackgroundRenderer.cs
new file mode 100644
index 000000000..35b9c0696
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Search/SearchResultBackgroundRenderer.cs
@@ -0,0 +1,78 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media;
+
+using Tango.Scripting.Editors.Document;
+using Tango.Scripting.Editors.Editing;
+using Tango.Scripting.Editors.Rendering;
+
+namespace Tango.Scripting.Editors.Search
+{
+	class SearchResultBackgroundRenderer : IBackgroundRenderer
+	{
+		TextSegmentCollection<SearchResult> currentResults = new TextSegmentCollection<SearchResult>();
+		
+		public TextSegmentCollection<SearchResult> CurrentResults {
+			get { return currentResults; }
+		}
+		
+		public KnownLayer Layer {
+			get {
+				// draw behind selection
+				return KnownLayer.Selection;
+			}
+		}
+		
+		public SearchResultBackgroundRenderer()
+		{
+			markerBrush = Brushes.LightGreen;
+			markerPen = new Pen(markerBrush, 1);
+		}
+		
+		Brush markerBrush;
+		Pen markerPen;
+		
+		public Brush MarkerBrush {
+			get { return markerBrush; }
+			set {
+				this.markerBrush = value;
+				markerPen = new Pen(markerBrush, 1);
+			}
+		}
+		
+		public void Draw(TextView textView, DrawingContext drawingContext)
+		{
+			if (textView == null)
+				throw new ArgumentNullException("textView");
+			if (drawingContext == null)
+				throw new ArgumentNullException("drawingContext");
+			
+			if (currentResults == null || !textView.VisualLinesValid)
+				return;
+			
+			var visualLines = textView.VisualLines;
+			if (visualLines.Count == 0)
+				return;
+			
+			int viewStart = visualLines.First().FirstDocumentLine.Offset;
+			int viewEnd = visualLines.Last().LastDocumentLine.EndOffset;
+			
+			foreach (SearchResult result in currentResults.FindOverlappingSegments(viewStart, viewEnd - viewStart)) {
+				BackgroundGeometryBuilder geoBuilder = new BackgroundGeometryBuilder();
+				geoBuilder.AlignToMiddleOfPixels = true;
+				geoBuilder.CornerRadius = 3;
+				geoBuilder.AddSegment(textView, result);
+				Geometry geometry = geoBuilder.CreateGeometry();
+				if (geometry != null) {
+					drawingContext.DrawGeometry(markerBrush, markerPen, geometry);
+				}
+			}
+		}
+	}
+}