Changed updating logic to be much less aggressive, to prevent unneces…

…sary updates to the format map if values are already corret (to prevent conflicts with other extensions that change the format map). Bumped version number to 1.4.

ViewCreationListener.cs

@@ -27,7 +27,8 @@ internal sealed class ViewCreationListener : IWpfTextViewCreationListener
         /// </summary>
         public void TextViewCreated(IWpfTextView textView)
         {
-            new FormatMapWatcher(textView, formatMapService.GetClassificationFormatMap(textView), typeRegistry);
+            textView.Properties.GetOrCreateSingletonProperty(() =>
+                     new FormatMapWatcher(textView, formatMapService.GetClassificationFormatMap(textView), typeRegistry));
         }
     }
 
@@ -122,8 +123,12 @@ void Italicize(IClassificationType classification)
             var properties = formatMap.GetTextProperties(classification);
             var typeface = properties.Typeface;
 
+            // If this is already italic, skip it
+            if (typeface.Style == FontStyles.Italic)
+                return;
+
             // Add italic and (possibly) remove bold, and change to a font that has good looking
-            // italics (i.e. *not* consolas)
+            // italics (i.e. *not* Consolas)
             var newTypeface = new Typeface(new FontFamily("Lucida Sans"), FontStyles.Italic, FontWeights.Normal, typeface.Stretch);
             properties = properties.SetTypeface(newTypeface);
 
@@ -139,13 +144,17 @@ void Fade(IClassificationType classification)
             var textFormat = formatMap.GetTextProperties(text);
             var properties = formatMap.GetTextProperties(classification);
 
+            var brush = properties.ForegroundBrush as SolidColorBrush;
+
+            // If the opacity is already not 1.0, skip this
+            if (brush == null || brush.Opacity != 1.0)
+                return;
+
             // Make the font size a little bit smaller than the normal text size
             properties = properties.SetFontRenderingEmSize(textFormat.FontRenderingEmSize - 1);
 
-            // Set the opacity to be a bit lighter (if it isn't already set)
-            var brush = properties.ForegroundBrush as SolidColorBrush;
-            if (brush != null && brush.Opacity == 1.0)
-                properties = properties.SetForegroundBrush(new SolidColorBrush(brush.Color) { Opacity = 0.7 });
+            // Set the opacity to be a bit lighter
+            properties = properties.SetForegroundBrush(new SolidColorBrush(brush.Color) { Opacity = 0.7 });
 
             formatMap.SetTextProperties(classification, properties);
         }

source.extension.vsixmanifest

@@ -3,7 +3,7 @@
   <Identifier Id="ItalicComments">
     <Name>ItalicComments</Name>
     <Author>Noah Richards</Author>
-    <Version>1.31</Version>
+    <Version>1.4</Version>
     <Description>Make comments italic.</Description>
     <Locale>1033</Locale>
     <MoreInfoUrl>http://blogs.msdn.com/noahric</MoreInfoUrl>