From 00556140187aacba413704bb07a59f892e5ba982 Mon Sep 17 00:00:00 2001
From: Ahmet Sait <git@ahmetsait.com>
Date: Sun, 12 May 2024 21:01:24 +0300
Subject: [PATCH] Implement a `ControlDesigner` that makes `ScrollWidth`
 visible & serialized only when `ScrollWidthTracking` is `false`

---
 Scintilla.NET/Scintilla.NET.csproj |  9 +++----
 Scintilla.NET/Scintilla.cs         |  1 +
 Scintilla.NET/ScintillaDesigner.cs | 42 ++++++++++++++++++++++++++++++
 3 files changed, 46 insertions(+), 6 deletions(-)
 create mode 100644 Scintilla.NET/ScintillaDesigner.cs

diff --git a/Scintilla.NET/Scintilla.NET.csproj b/Scintilla.NET/Scintilla.NET.csproj
index 5d5939d..9c901f8 100644
--- a/Scintilla.NET/Scintilla.NET.csproj
+++ b/Scintilla.NET/Scintilla.NET.csproj
@@ -32,12 +32,6 @@
 		<Authors>Jacob Slusser, VPKSoft, cyber960, desjarlais</Authors>
 		<PackageReadmeFile>README.md</PackageReadmeFile>
 	</PropertyGroup>
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-windows|AnyCPU'">
-	  <WarningLevel>7</WarningLevel>
-	</PropertyGroup>
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-windows|AnyCPU'">
-	  <WarningLevel>7</WarningLevel>
-	</PropertyGroup>
 	<ItemGroup>
 		<None Include="..\README.md">
 			<Pack>True</Pack>
@@ -62,6 +56,9 @@
 			<Pack>true</Pack>
 		</Content>
 	</ItemGroup>
+	<ItemGroup Condition="'$(TargetFramework.TrimEnd(`0123456789`))' == 'net'">
+	  <Reference Include="System.Design" />
+	</ItemGroup>
 	<Target Name="PostPack" AfterTargets="Pack">
 		<Exec Command="powershell .\nupkg.ps1 -MSBuildProjectDirectory '$(MSBuildProjectDirectory)' -NuGetPackageRoot '$(NuGetPackageRoot)' -NuGetPackageSourceDir '$(SolutionDir)\registry' -PackageOutputPath '$(PackageOutputPath)' -PackageId '$(PackageId)' -PackageVersion '$(PackageVersion)'" />
 	</Target>
diff --git a/Scintilla.NET/Scintilla.cs b/Scintilla.NET/Scintilla.cs
index 9fd904c..ef9585b 100644
--- a/Scintilla.NET/Scintilla.cs
+++ b/Scintilla.NET/Scintilla.cs
@@ -19,6 +19,7 @@ namespace ScintillaNET
     /// Represents a Scintilla editor control.
     /// </summary>
     [Docking(DockingBehavior.Ask)]
+    [Designer(typeof(ScintillaDesigner))]
     public class Scintilla : Control
     {
         static Scintilla()
diff --git a/Scintilla.NET/ScintillaDesigner.cs b/Scintilla.NET/ScintillaDesigner.cs
new file mode 100644
index 0000000..cc1d003
--- /dev/null
+++ b/Scintilla.NET/ScintillaDesigner.cs
@@ -0,0 +1,42 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms.Design;
+
+namespace ScintillaNET;
+
+internal class ScintillaDesigner : ControlDesigner
+{
+    protected override void PreFilterProperties(IDictionary properties)
+    {
+        base.PreFilterProperties(properties);
+
+        var scrollWidthTracking = (PropertyDescriptor)properties[nameof(Scintilla.ScrollWidthTracking)];
+        scrollWidthTracking = TypeDescriptor.CreateProperty(
+            scrollWidthTracking.ComponentType,
+            scrollWidthTracking,
+            scrollWidthTracking.Attributes.Cast<Attribute>().Concat([new RefreshPropertiesAttribute(RefreshProperties.All)]).ToArray()
+        );
+        properties[nameof(Scintilla.ScrollWidthTracking)] = scrollWidthTracking;
+
+        var scrollWidth = (PropertyDescriptor)properties[nameof(Scintilla.ScrollWidth)];
+        if ((bool)scrollWidthTracking.GetValue(Component))
+        {
+            scrollWidth = TypeDescriptor.CreateProperty(
+                scrollWidth.ComponentType,
+                scrollWidth,
+                scrollWidth.Attributes.Cast<Attribute>().Concat(
+                    [
+                        new BrowsableAttribute(false),
+                        new DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden),
+                    ]
+                ).ToArray()
+            );
+            properties[nameof(Scintilla.ScrollWidth)] = scrollWidth;
+        }
+    }
+}