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add withFloatCallback handler

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This commit is contained in:
Nick Fisher
2025-04-16 19:07:47 +08:00
parent 230bb5f9f6
commit 4002425c0d
1 changed files with 14 additions and 0 deletions
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14
thermion_dart/lib/src/viewer/src/ffi/src/callbacks.dart
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@@ -68,6 +68,20 @@ Future<bool> withBoolCallback(
return completer.future;
}
Future<double> withFloatCallback(
Function(Pointer<NativeFunction<Void Function(Float)>>) func) async {
final completer = Completer<double>();
// ignore: prefer_function_declarations_over_variables
void Function(double) callback = (double result) {
completer.complete(result);
};
final nativeCallable = NativeCallable<Void Function(Float)>.listener(callback);
func.call(nativeCallable.nativeFunction);
await completer.future;
nativeCallable.close();
return completer.future;
}
Future<int> withIntCallback(
Function(Pointer<NativeFunction<Void Function(Int32)>>) func) async {
final completer = Completer<int>();