Add 'src/modules/launcher/' from commit '28acd466b352a807910cebbc74477d3173b31511'

git-subtree-dir: src/modules/launcher
git-subtree-mainline: 852689b3df
git-subtree-split: 28acd466b3

src/modules/launcher/Wox/Converters/HighlightTextConverter.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Data;
+using System.Windows.Documents;
+
+namespace Wox.Converters
+{
+    public class HighlightTextConverter : IMultiValueConverter
+    {
+        public object Convert(object[] value, Type targetType, object parameter, CultureInfo cultureInfo)
+        {
+            var text = value[0] as string;
+            var highlightData = value[1] as List<int>;
+
+            var textBlock = new Span();
+
+            if (highlightData == null || !highlightData.Any())
+            {
+                // No highlight data, just return the text
+                return new Run(text);
+            }
+
+            for (var i = 0; i < text.Length; i++)
+            {
+                var currentCharacter = text.Substring(i, 1);
+                if (this.ShouldHighlight(highlightData, i))
+                {
+                    textBlock.Inlines.Add(new Bold(new Run(currentCharacter)));
+                }
+                else
+                {
+                    textBlock.Inlines.Add(new Run(currentCharacter));
+                }
+            }
+            return textBlock;
+        }
+
+        public object[] ConvertBack(object value, Type[] targetType, object parameter, CultureInfo culture)
+        {
+            return new[] { DependencyProperty.UnsetValue, DependencyProperty.UnsetValue };
+        }
+
+        private bool ShouldHighlight(List<int> highlightData, int index)
+        {
+            return highlightData.Contains(index);
+        }
+    }
+}