Switched to sinum

gui/lib/src/util/os.dart

@@ -24,10 +24,13 @@ bool get isWin11 {
   return intBuild != null && intBuild > 22000;
 }
 
-Future<String?> openFolderPicker(String title) async =>
-    await FilePicker.platform.getDirectoryPath(dialogTitle: title);
+Future<String?> openFolderPicker(String title) async {
+  FilePicker.platform = FilePickerWindows();
+  return await FilePicker.platform.getDirectoryPath(dialogTitle: title);
+}
 
 Future<String?> openFilePicker(String extension) async {
+  FilePicker.platform = FilePickerWindows();
   var result = await FilePicker.platform.pickFiles(
       type: FileType.custom,
       allowMultiple: false,
@@ -93,7 +96,7 @@ class IVirtualDesktop extends IUnknown {
       throw WindowsException(code);
     }
 
-    return convertFromHString(result.value);
+    return _convertFromHString(result.value);
   }
 }
 
@@ -280,7 +283,7 @@ class _IVirtualDesktopManagerInternal extends IUnknown {
                 HRESULT Function(Pointer, COMObject, Int8)>>>()
         .value
         .asFunction<int Function(Pointer, COMObject, int)>()(
-        ptr.ref.lpVtbl, desktop.ptr.ref, convertToHString(newName));
+        ptr.ref.lpVtbl, desktop.ptr.ref, _convertToHString(newName));
     if (code != 0) {
       throw WindowsException(code);
     }
@@ -369,7 +372,7 @@ List<int> _getHWnds(int pid, String? excludedWindowName) {
     result.ref.excluded = excludedWindowName.toNativeUtf16();
   }
 
-  EnumWindows(Pointer.fromFunction<EnumWindowsProc>(_filter, TRUE), result.address);
+  EnumWindows(Pointer.fromFunction<WNDENUMPROC>(_filter, TRUE), result.address);
   final length = result.ref.HWndLength;
   final HWndsPointer = result.ref.HWnd;
   if(HWndsPointer == nullptr) {
@@ -397,7 +400,7 @@ class VirtualDesktopManager {
     }
 
     final hr = CoInitializeEx(
-        nullptr, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);
+        nullptr, COINIT.COINIT_APARTMENTTHREADED | COINIT.COINIT_DISABLE_OLE1DDE);
     if (FAILED(hr)) {
       throw WindowsException(hr);
     }
@@ -468,3 +471,19 @@ class VirtualDesktopManager {
   void setDesktopName(IVirtualDesktop desktop, String newName) =>
       windowManager.setDesktopName(desktop, newName);
 }
+
+String _convertFromHString(int hstring) =>
+    WindowsGetStringRawBuffer(hstring, nullptr).toDartString();
+
+int _convertToHString(String string) {
+  final hString = calloc<HSTRING>();
+  final stringPtr = string.toNativeUtf16();
+  try {
+    final hr = WindowsCreateString(stringPtr, string.length, hString);
+    if (FAILED(hr)) throw WindowsException(hr);
+    return hString.value;
+  } finally {
+    free(stringPtr);
+    free(hString);
+  }
+}

gui/lib/src/util/url_protocol.dart

@@ -0,0 +1,63 @@
+import 'dart:io';
+
+import 'package:ffi/ffi.dart';
+import 'package:win32/win32.dart';
+
+final _hive = HKEY_CURRENT_USER;
+
+void registerUrlProtocol(String scheme, {String? executable, List<String>? arguments}) {
+  final prefix = _regPrefix(scheme);
+  final capitalized = scheme[0].toUpperCase() + scheme.substring(1);
+  final args = _getArguments(arguments).map((a) => _sanitize(a));
+  final cmd =
+      '${executable ?? Platform.resolvedExecutable} ${args.join(' ')}';
+  _regCreateStringKey(_hive, prefix, '', 'URL:$capitalized');
+  _regCreateStringKey(_hive, prefix, 'URL Protocol', '');
+  _regCreateStringKey(_hive, prefix + '\\shell\\open\\command', '', cmd);
+}
+
+void unregisterUrlProtocol(String scheme) {
+  final txtKey = TEXT(_regPrefix(scheme));
+  try {
+    RegDeleteTree(HKEY_CURRENT_USER, txtKey);
+  } finally {
+    free(txtKey);
+  }
+}
+
+String _regPrefix(String scheme) => 'SOFTWARE\\Classes\\$scheme';
+
+int _regCreateStringKey(int hKey, String key, String valueName, String data) {
+  final txtKey = TEXT(key);
+  final txtValue = TEXT(valueName);
+  final txtData = TEXT(data);
+  try {
+    return RegSetKeyValue(
+      hKey,
+      txtKey,
+      txtValue,
+      REG_VALUE_TYPE.REG_SZ,
+      txtData,
+      txtData.length * 2 + 2,
+    );
+  } finally {
+    free(txtKey);
+    free(txtValue);
+    free(txtData);
+  }
+}
+
+String _sanitize(String value) {
+  value = value.replaceAll(r'%s', '%1').replaceAll(r'"', '\\"');
+  return '"$value"';
+}
+
+List<String> _getArguments(List<String>? arguments) {
+  if (arguments == null) return ['%s'];
+
+  if (arguments.isEmpty && !arguments.any((e) => e.contains('%s'))) {
+    throw ArgumentError('arguments must contain at least 1 instance of "%s"');
+  }
+
+  return arguments;
+}