Add CHM viewer plugin and include in solution

QuickLook.Plugin/QuickLook.Plugin.ChmViewer/Plugin.cs

@@ -0,0 +1,57 @@
+// Copyright © 2017-2026 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using QuickLook.Common.Plugin;
+using System;
+using System.IO;
+using System.Windows;
+
+namespace QuickLook.Plugin.ChmViewer;
+
+public sealed class Plugin : IViewer
+{
+    public int Priority => 0;
+
+    public void Init()
+    {
+    }
+
+    public bool CanHandle(string path)
+    {
+        return false;
+#pragma warning disable CS0162 // Unreachable code detected
+        return !Directory.Exists(path)
+            && Path.GetExtension(path).Equals(".chm", StringComparison.OrdinalIgnoreCase);
+#pragma warning restore CS0162 // Unreachable code detected
+    }
+
+    public void Prepare(string path, ContextObject context)
+    {
+        context.Title = Path.GetFileName(path);
+        context.IsBlocked = true;
+        context.PreferredSize = new Size { Width = 800, Height = 600 };
+    }
+
+    public void View(string path, ContextObject context)
+    {
+        context.IsBusy = false;
+    }
+
+    public void Cleanup()
+    {
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.ChmViewer/QuickLook.Plugin.ChmViewer.csproj

@@ -0,0 +1,81 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+    <PropertyGroup>
+        <OutputType>Library</OutputType>
+        <TargetFramework>net462</TargetFramework>
+        <RootNamespace>QuickLook.Plugin.ChmViewer</RootNamespace>
+        <AssemblyName>QuickLook.Plugin.ChmViewer</AssemblyName>
+        <FileAlignment>512</FileAlignment>
+        <SignAssembly>false</SignAssembly>
+        <UseWPF>true</UseWPF>
+        <LangVersion>latest</LangVersion>
+        <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+        <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+        <GenerateTargetFrameworkAttribute>false</GenerateTargetFrameworkAttribute>
+        <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+        <ProjectGuid>{C6E87A2A-8BC0-4D15-B7CA-8A061B79B8D5}</ProjectGuid>
+        <PlatformTarget>AnyCPU</PlatformTarget>
+        <Platforms>AnyCPU;x64;ARM64</Platforms>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
+        <DebugSymbols>true</DebugSymbols>
+        <DebugType>full</DebugType>
+        <Optimize>false</Optimize>
+        <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.ChmViewer\</OutputPath>
+        <DefineConstants>DEBUG;TRACE</DefineConstants>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+      <DebugSymbols>true</DebugSymbols>
+      <DebugType>full</DebugType>
+      <Optimize>false</Optimize>
+      <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.ChmViewer\</OutputPath>
+      <DefineConstants>DEBUG;TRACE</DefineConstants>
+      <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
+        <DebugType>pdbonly</DebugType>
+        <Optimize>true</Optimize>
+        <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.ChmViewer\</OutputPath>
+        <DefineConstants>TRACE</DefineConstants>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+      <DebugType>pdbonly</DebugType>
+      <Optimize>true</Optimize>
+      <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.ChmViewer\</OutputPath>
+      <DefineConstants>TRACE</DefineConstants>
+      <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
+        <DebugSymbols>true</DebugSymbols>
+        <DebugType>full</DebugType>
+        <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.ChmViewer\</OutputPath>
+        <DefineConstants>DEBUG;TRACE</DefineConstants>
+        <PlatformTarget>x86</PlatformTarget>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
+        <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.ChmViewer\</OutputPath>
+        <DefineConstants>TRACE</DefineConstants>
+        <Optimize>true</Optimize>
+        <DebugType>pdbonly</DebugType>
+        <PlatformTarget>x86</PlatformTarget>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\..\QuickLook.Common\QuickLook.Common.csproj">
+            <Project>{85FDD6BA-871D-46C8-BD64-F6BB0CB5EA95}</Project>
+            <Name>QuickLook.Common</Name>
+            <Private>False</Private>
+        </ProjectReference>
+    </ItemGroup>
+
+</Project>

QuickLook.slnx

@@ -60,6 +60,10 @@
       <Platform Solution="*|ARM64" Project="ARM64" />
       <Platform Solution="*|x64" Project="x64" />
     </Project>
+    <Project Path="QuickLook.Plugin/QuickLook.Plugin.ChmViewer/QuickLook.Plugin.ChmViewer.csproj">
+      <Platform Solution="*|ARM64" Project="ARM64" />
+      <Platform Solution="*|x64" Project="x64" />
+    </Project>
     <Project Path="QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj">
       <Platform Solution="*|ARM64" Project="ARM64" />
       <Platform Solution="*|x64" Project="x64" />
@@ -119,6 +123,7 @@
     <BuildDependency Project="QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/QuickLook.Plugin.HtmlViewer.csproj" />
     <BuildDependency Project="QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj" />
     <BuildDependency Project="QuickLook.Plugin/QuickLook.Plugin.MailViewer/QuickLook.Plugin.MailViewer.csproj" />
+    <BuildDependency Project="QuickLook.Plugin/QuickLook.Plugin.ChmViewer/QuickLook.Plugin.ChmViewer.csproj" />
     <BuildDependency Project="QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj" />
     <BuildDependency Project="QuickLook.Plugin/QuickLook.Plugin.MediaInfoViewer/QuickLook.Plugin.MediaInfoViewer.csproj" />
     <BuildDependency Project="QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/QuickLook.Plugin.OfficeViewer.csproj" />