Merge pull request #329 from icsharpcode/customizable-searchresult-re…

…ndering Fix #316: Expose MarkerPen and MarkerCornerRadius on SearchPanel.
icsharpcode · Dec 28, 2021 · 9e4089d · 9e4089d
2 parents 47f61e9 + 1c83076
commit 9e4089d
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Showing 2 changed files with 64 additions and 22 deletions.
diff --git a/ICSharpCode.AvalonEdit/Search/SearchPanel.cs b/ICSharpCode.AvalonEdit/Search/SearchPanel.cs
@@ -120,6 +120,57 @@ public Brush MarkerBrush {
 			set { SetValue(MarkerBrushProperty, value); }
 		}
 
+		private static void MarkerBrushChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
+		{
+			if (d is SearchPanel panel) {
+				panel.renderer.MarkerBrush = (Brush)e.NewValue;
+			}
+		}
+
+		/// <summary>
+		/// Dependency property for <see cref="MarkerPen"/>.
+		/// </summary>
+		public static readonly DependencyProperty MarkerPenProperty =
+			DependencyProperty.Register("MarkerPen", typeof(Pen), typeof(SearchPanel),
+										new PropertyMetadata(null, MarkerPenChangedCallback));
+
+		/// <summary>
+		/// Gets/sets the Pen used for marking search results in the TextView.
+		/// </summary>
+		public Pen MarkerPen {
+			get { return (Pen)GetValue(MarkerPenProperty); }
+			set { SetValue(MarkerPenProperty, value); }
+		}
+
+		private static void MarkerPenChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
+		{
+			if (d is SearchPanel panel) {
+				panel.renderer.MarkerPen = (Pen)e.NewValue;
+			}
+		}
+
+		/// <summary>
+		/// Dependency property for <see cref="MarkerCornerRadius"/>.
+		/// </summary>
+		public static readonly DependencyProperty MarkerCornerRadiusProperty =
+			DependencyProperty.Register("MarkerCornerRadius", typeof(double), typeof(SearchPanel),
+										new PropertyMetadata(3.0, MarkerCornerRadiusChangedCallback));
+
+		/// <summary>
+		/// Gets/sets the corner-radius used for marking search results in the TextView.
+		/// </summary>
+		public double MarkerCornerRadius {
+			get { return (double)GetValue(MarkerCornerRadiusProperty); }
+			set { SetValue(MarkerCornerRadiusProperty, value); }
+		}
+
+		private static void MarkerCornerRadiusChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
+		{
+			if (d is SearchPanel panel) {
+				panel.renderer.MarkerCornerRadius = (double)e.NewValue;
+			}
+		}
+
 		/// <summary>
 		/// Dependency property for <see cref="Localization"/>.
 		/// </summary>
@@ -136,14 +187,6 @@ public Localization Localization {
 		}
 		#endregion
 
-		static void MarkerBrushChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
-		{
-			SearchPanel panel = d as SearchPanel;
-			if (panel != null) {
-				panel.renderer.MarkerBrush = (Brush)e.NewValue;
-			}
-		}
-
 		static SearchPanel()
 		{
 			DefaultStyleKeyProperty.OverrideMetadata(typeof(SearchPanel), new FrameworkPropertyMetadata(typeof(SearchPanel)));

diff --git a/ICSharpCode.AvalonEdit/Search/SearchResultBackgroundRenderer.cs b/ICSharpCode.AvalonEdit/Search/SearchResultBackgroundRenderer.cs
@@ -42,20 +42,14 @@ public KnownLayer Layer {
 
 		public SearchResultBackgroundRenderer()
 		{
-			markerBrush = Brushes.LightGreen;
-			markerPen = new Pen(markerBrush, 1);
+			MarkerBrush = Brushes.LightGreen;
+			MarkerPen = null;
+			MarkerCornerRadius = 3.0;
 		}
 
-		Brush markerBrush;
-		Pen markerPen;
-
-		public Brush MarkerBrush {
-			get { return markerBrush; }
-			set {
-				this.markerBrush = value;
-				markerPen = new Pen(markerBrush, 1);
-			}
-		}
+		public Brush MarkerBrush { get; set; }
+		public Pen MarkerPen { get; set; }
+		public double MarkerCornerRadius { get; set; }
 
 		public void Draw(TextView textView, DrawingContext drawingContext)
 		{
@@ -74,11 +68,16 @@ public void Draw(TextView textView, DrawingContext drawingContext)
 			int viewStart = visualLines.First().FirstDocumentLine.Offset;
 			int viewEnd = visualLines.Last().LastDocumentLine.EndOffset;
 
+			Brush markerBrush = MarkerBrush;
+			Pen markerPen = MarkerPen;
+			double markerCornerRadius = MarkerCornerRadius;
+			double markerPenThickness = markerPen != null ? markerPen.Thickness : 0;
+
 			foreach (SearchResult result in currentResults.FindOverlappingSegments(viewStart, viewEnd - viewStart)) {
 				BackgroundGeometryBuilder geoBuilder = new BackgroundGeometryBuilder();
 				geoBuilder.AlignToWholePixels = true;
-				geoBuilder.BorderThickness = markerPen != null ? markerPen.Thickness : 0;
-				geoBuilder.CornerRadius = 3;
+				geoBuilder.BorderThickness = markerPenThickness;
+				geoBuilder.CornerRadius = markerCornerRadius;
 				geoBuilder.AddSegment(textView, result);
 				Geometry geometry = geoBuilder.CreateGeometry();
 				if (geometry != null) {