Implement some parts of FileLocksmithModule

src/modules/FileLocksmith/FileLocksmithExt/Constants.h

@@ -7,6 +7,9 @@ namespace constants::localizable
 {
 	// Text shown in the context menu
 	constexpr WCHAR CommandTitle[] = L"What's using this file?";
+
+	// Localized name of this PowerToy
+    constexpr WCHAR PowerToyName[] = L"File Locksmith";
 }
 
 // Non-localizable constants
@@ -20,6 +23,9 @@ namespace constants::nonlocalizable
 
 	// File name of the UI executable
 	constexpr WCHAR FileNameUIExe[] = L"FileLocksmithGUI\\FileLocksmithGUI.exe";
+
+	// String key used by PowerToys
+    constexpr WCHAR PowerToyKey[] = L"FileLocksmith";
 }
 
 // Macros, non-localizable

src/modules/FileLocksmith/FileLocksmithExt/FileLocksmithExt.vcxproj

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220418.1\build\native\Microsoft.Windows.CppWinRT.props" Condition="Exists('..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220418.1\build\native\Microsoft.Windows.CppWinRT.props')" />
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -156,17 +157,34 @@
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
     </ClCompile>
+    <ClCompile Include="PowerToysModule.cpp" />
     <ClCompile Include="Registry.cpp" />
   </ItemGroup>
   <ItemGroup>
     <None Include="dll.def" />
+    <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\common\logger\logger.vcxproj">
+      <Project>{d9b8fc84-322a-4f9f-bbb9-20915c47ddfd}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\common\SettingsAPI\SettingsAPI.vcxproj">
+      <Project>{6955446d-23f7-4023-9bb3-8657f904af99}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\FileLocksmithLib\FileLocksmithLib.vcxproj">
       <Project>{8290cf58-0e97-45c4-ab41-f3c7c3128aec}</Project>
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <Import Project="..\..\..\..\deps\spdlog.props" />
   <ImportGroup Label="ExtensionTargets">
+    <Import Project="..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220418.1\build\native\Microsoft.Windows.CppWinRT.targets" Condition="Exists('..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220418.1\build\native\Microsoft.Windows.CppWinRT.targets')" />
   </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220418.1\build\native\Microsoft.Windows.CppWinRT.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220418.1\build\native\Microsoft.Windows.CppWinRT.props'))" />
+    <Error Condition="!Exists('..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220418.1\build\native\Microsoft.Windows.CppWinRT.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220418.1\build\native\Microsoft.Windows.CppWinRT.targets'))" />
+  </Target>
 </Project>

src/modules/FileLocksmith/FileLocksmithExt/FileLocksmithExt.vcxproj.filters

@@ -50,10 +50,14 @@
     <ClCompile Include="Registry.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="PowerToysModule.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <None Include="dll.def">
       <Filter>Source Files</Filter>
     </None>
+    <None Include="packages.config" />
   </ItemGroup>
 </Project>

src/modules/FileLocksmith/FileLocksmithExt/PowerToysModule.cpp

@@ -0,0 +1,88 @@
+#include "pch.h"
+
+#include "../../interface/powertoy_module_interface.h"
+#include "../../../common/SettingsAPI/settings_objects.h"
+#include "../../../common/logger/logger.h"
+
+#include "Constants.h"
+
+class FileLocksmithModule : public PowertoyModuleIface
+{
+public:
+    virtual const wchar_t* get_name() override
+    {
+        return constants::localizable::PowerToyName;
+    }
+
+    virtual const wchar_t* get_key() override
+    {
+        return constants::nonlocalizable::PowerToyKey;
+    }
+
+    // Return JSON with the configuration options.
+    // These are the settings shown on the settings page along with their current values.
+    virtual bool get_config(_Out_ PWSTR buffer, _Out_ int* buffer_size) override
+    {
+        HINSTANCE hinstance = reinterpret_cast<HINSTANCE>(&__ImageBase);
+
+        // Create a Settings object.
+        PowerToysSettings::Settings settings(hinstance, get_name());
+        settings.set_description(L"TODO: GET_RESOURCE_STRING(IDS_SETTINGS_DESCRIPTION");
+        settings.set_icon_key(L"TODO: pt-file-locksmith");
+
+        // Link to the GitHub PowerRename sub-page
+        settings.set_overview_link(L"TODO: GET_RESOURCE_STRING(IDS_OVERVIEW_LINK)");
+
+        return settings.serialize_to_buffer(buffer, buffer_size);
+    }
+
+    // Passes JSON with the configuration settings for the powertoy.
+    // This is called when the user hits Save on the settings page.
+    virtual void set_config(PCWSTR config) override
+    {
+        try
+        {
+            // Parse the input JSON string.
+            PowerToysSettings::PowerToyValues values =
+                PowerToysSettings::PowerToyValues::from_json_string(config, get_key());
+
+            // TODO: Trace
+            // Trace::SettingsChanged();
+        }
+        catch (std::exception& e)
+        {
+            Logger::error("Configuration parsing failed: {}", std::string{ e.what() });
+        }
+    }
+
+    virtual void enable() override
+    {
+        Logger::info(L"File Locksmith enabled");
+        m_enabled = true;
+        // TODO
+        // save_settings();
+    }
+
+    virtual void disable() override
+    {
+        Logger::info(L"File Locksmith disabled");
+        m_enabled = false;
+        // TODO
+        // save_settings();
+    }
+
+    virtual bool is_enabled() override
+    {
+        return m_enabled;
+    }
+
+    virtual void destroy() override
+    {
+        delete this;
+    }
+
+    // This should be enough to create an instance
+
+private:
+    bool m_enabled;
+};

src/modules/FileLocksmith/FileLocksmithExt/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Windows.CppWinRT" version="2.0.220418.1" targetFramework="native" />
+</packages>

src/modules/FileLocksmith/FileLocksmithExt/pch.h

@@ -6,6 +6,7 @@
 #include <Windows.h>
 #include <Shlwapi.h>
 #include <ShlObj_core.h>
+#include <atlbase.h>
 
 // C++ Standard library
 #include <atomic>

src/modules/interface/powertoy_module_interface.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <compare>
+#include <optional>
 
 /*
   DLL Interface for PowerToys. The powertoy_create() (see below) must return