chore: Update windows deployment folder

windows/runner/main.cpp

@@ -6,42 +6,38 @@
 #include "utils.h"
 
 int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
-					  _In_ wchar_t *command_line, _In_ int show_command)
-{
-	// Attach to console when present (e.g., 'flutter run') or create a
-	// new console when running with a debugger.
-	if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent())
-	{
-		CreateAndAttachConsole();
-	}
+                      _In_ wchar_t *command_line, _In_ int show_command) {
+  // Attach to console when present (e.g., 'flutter run') or create a
+  // new console when running with a debugger.
+  if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
+    CreateAndAttachConsole();
+  }
 
-	// Initialize COM, so that it is available for use in the library and/or
-	// plugins.
-	::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+  // Initialize COM, so that it is available for use in the library and/or
+  // plugins.
+  ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
 
-	flutter::DartProject project(L"data");
+  flutter::DartProject project(L"data");
 
-	std::vector<std::string> command_line_arguments =
-		GetCommandLineArguments();
+  std::vector<std::string> command_line_arguments =
+      GetCommandLineArguments();
 
-	project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
+  project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
 
-	FlutterWindow window(project);
-	Win32Window::Point origin(10, 10);
-	Win32Window::Size size(1280, 720);
-	if (!window.Create(L"Fladder", origin, size))
-	{
-		return EXIT_FAILURE;
-	}
-	window.SetQuitOnClose(true);
+  FlutterWindow window(project);
+  Win32Window::Point origin(10, 10);
+  Win32Window::Size size(1280, 720);
+  if (!window.Create(L"Fladder", origin, size)) {
+    return EXIT_FAILURE;
+  }
+  window.SetQuitOnClose(true);
 
-	::MSG msg;
-	while (::GetMessage(&msg, nullptr, 0, 0))
-	{
-		::TranslateMessage(&msg);
-		::DispatchMessage(&msg);
-	}
+  ::MSG msg;
+  while (::GetMessage(&msg, nullptr, 0, 0)) {
+    ::TranslateMessage(&msg);
+    ::DispatchMessage(&msg);
+  }
 
-	::CoUninitialize();
-	return EXIT_SUCCESS;
+  ::CoUninitialize();
+  return EXIT_SUCCESS;
 }

windows/runner/runner.exe.manifest

@@ -9,12 +9,6 @@
     <application>
       <!-- Windows 10 and Windows 11 -->
       <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
-      <!-- Windows 8.1 -->
-      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
-      <!-- Windows 8 -->
-      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
-      <!-- Windows 7 -->
-      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
     </application>
   </compatibility>
 </assembly>

windows/runner/utils.cpp

@@ -45,9 +45,11 @@ std::string Utf8FromUtf16(const wchar_t* utf16_string) {
   if (utf16_string == nullptr) {
     return std::string();
   }
-  int target_length = ::WideCharToMultiByte(
+  unsigned int target_length = ::WideCharToMultiByte(
       CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
-      -1, nullptr, 0, nullptr, nullptr);
+      -1, nullptr, 0, nullptr, nullptr)
+    -1; // remove the trailing null character
+  int input_length = (int)wcslen(utf16_string);
   std::string utf8_string;
   if (target_length == 0 || target_length > utf8_string.max_size()) {
     return utf8_string;
@@ -55,8 +57,7 @@ std::string Utf8FromUtf16(const wchar_t* utf16_string) {
   utf8_string.resize(target_length);
   int converted_length = ::WideCharToMultiByte(
       CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
-      -1, utf8_string.data(),
-      target_length, nullptr, nullptr);
+      input_length, utf8_string.data(), target_length, nullptr, nullptr);
   if (converted_length == 0) {
     return std::string();
   }

windows/runner/win32_window.cpp

@@ -60,7 +60,7 @@ class WindowClassRegistrar {
  public:
   ~WindowClassRegistrar() = default;
 
-  // Returns the singleton registar instance.
+  // Returns the singleton registrar instance.
   static WindowClassRegistrar* GetInstance() {
     if (!instance_) {
       instance_ = new WindowClassRegistrar();

windows/runner/win32_window.h

@@ -77,7 +77,7 @@ class Win32Window {
   // OS callback called by message pump. Handles the WM_NCCREATE message which
   // is passed when the non-client area is being created and enables automatic
   // non-client DPI scaling so that the non-client area automatically
-  // responsponds to changes in DPI. All other messages are handled by
+  // responds to changes in DPI. All other messages are handled by
   // MessageHandler.
   static LRESULT CALLBACK WndProc(HWND const window,
                                   UINT const message,