Improve dark mode text preview

Author: emako

QuickLook.Plugin/QuickLook.Plugin.TextViewer/Plugin.cs

@@ -95,7 +95,7 @@ public void View(string path, ContextObject context)
         else
         {
             _tvp = new TextViewerPanel(path, context);
-            AssignHighlightingManager(_tvp, context);
+            AssignHighlightingManager(path, _tvp, context);
 
             context.ViewerContent = _tvp;
         }
@@ -146,10 +146,12 @@ private HighlightingManager getHighlightingManager(Themes theme, string dirName)
         return hlm;
     }
 
-    private void AssignHighlightingManager(TextViewerPanel tvp, ContextObject context)
+    private void AssignHighlightingManager(string path, TextViewerPanel tvp, ContextObject context)
     {
-        var darkThemeAllowed = SettingHelper.Get("AllowDarkTheme", false, "QuickLook.Plugin.TextViewer");
+        var def = _hlmDark.GetDefinitionByExtension(Path.GetExtension(path));
+        var darkThemeAllowed = SettingHelper.Get("AllowDarkTheme", def != null, "QuickLook.Plugin.TextViewer");
         var isDark = darkThemeAllowed && OSThemeHelper.AppsUseDarkTheme();
+
         tvp.HighlightingManager = isDark ? _hlmDark : _hlmLight;
         if (isDark)
         {
@@ -160,7 +162,7 @@ private void AssignHighlightingManager(TextViewerPanel tvp, ContextObject contex
         {
             // if os dark mode, but not AllowDarkTheme, make background light
             tvp.Background = OSThemeHelper.AppsUseDarkTheme()
-                ? new SolidColorBrush(Color.FromArgb(150, 255, 255, 255))
+                ? new SolidColorBrush(Color.FromArgb(175, 255, 255, 255))
                 : Brushes.Transparent;
         }
     }

QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Dark/.gitkeep

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8" ?>
+
+<SyntaxDefinition name="Json" extensions=".json" xmlns="http://icsharpcode.net/sharpdevelop/syntaxdefinition/2008">
+    <Color name="Bool" foreground="#569CD6" exampleText="true | false" />
+    <Color name="Number" foreground="#B5CEA8" exampleText="3.14" />
+    <Color name="String" foreground="#CE9178" exampleText="" />
+    <Color name="Null" foreground="#569CD6" exampleText="" />
+    <Color name="FieldName" foreground="#9CDCF0" />
+    <Color name="Punctuation1" foreground="#DA66BE" />
+    <Color name="Punctuation2" foreground="#FFD710" />
+    <Color name="Punctuation3" foreground="#FFFFFF" />
+
+    <RuleSet name="String">
+        <Span begin="\\" end="."/>
+    </RuleSet>
+
+    <RuleSet name="Object">
+        <Span color="FieldName" ruleSet="String">
+            <Begin>"</Begin>
+            <End>"</End>
+        </Span>
+        <Span color="FieldName" ruleSet="String">
+            <Begin>'</Begin>
+            <End>'</End>
+        </Span>
+        <Span color="Punctuation3" ruleSet="Expression">
+            <Begin>:</Begin>
+        </Span>
+        <Span color="Punctuation3">
+            <Begin>,</Begin>
+        </Span>
+    </RuleSet>
+
+    <RuleSet name="Array">
+        <Import ruleSet="Expression"/>
+        <Span color="Punctuation3">
+            <Begin>,</Begin>
+        </Span>
+    </RuleSet>
+
+    <RuleSet name="Expression">
+        <Keywords color="Bool" >
+            <Word>true</Word>
+            <Word>false</Word>
+        </Keywords>
+        <Keywords color="Null" >
+            <Word>null</Word>
+        </Keywords>
+        <Span color="String" ruleSet="String">
+            <Begin>"</Begin>
+            <End>"</End>
+        </Span>
+        <Span color="String" ruleSet="String">
+            <Begin>'</Begin>
+            <End>'</End>
+        </Span>
+        <Span color="Punctuation1" ruleSet="Object" multiline="true">
+            <Begin>\{</Begin>
+            <End>\}</End>
+        </Span>
+        <Span color="Punctuation2" ruleSet="Array" multiline="true">
+            <Begin>\[</Begin>
+            <End>\]</End>
+        </Span>
+        <Rule color="Number">
+            \b0[xX][0-9a-fA-F]+|(\b\d+(\.[0-9]+)?|\.[0-9]+)([eE][+-]?[0-9]+)?
+        </Rule>
+    </RuleSet>
+
+    <RuleSet>
+        <Import ruleSet="Expression"/>
+    </RuleSet>
+</SyntaxDefinition>

QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Dark/JSON.xshd

@@ -10,7 +10,7 @@ hello@exr.be
 https://github.com/ei
 -->
 
-<SyntaxDefinition name="Assembly" extensions=".asm;.ASM">
+<SyntaxDefinition name="Assembly" extensions=".asm">
 
     <Environment> 
         <Default color="Black" bgcolor="#FFFFFF"/>