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fix(cursor): normalize native cursor density in scaled views

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This commit is contained in:
fufesou
2026-09-12 02:57:37 +08:00
parent e72e7fb8ba
commit db7c48e1a7
5 changed files with 225 additions and 14 deletions
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7
flutter/lib/native/custom_cursor.dart
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@@ -9,6 +9,7 @@ import 'package:flutter/services.dart';
import 'package:flutter/widgets.dart' show WidgetsBinding;
import 'package:flutter_hbb/common.dart';
import 'package:flutter_hbb/consts.dart';
import 'package:flutter_hbb/models/model.dart';
deleteCustomCursor(String key) =>
@@ -24,7 +25,11 @@ MouseCursor buildCursorOfCache(
// bitmap even when the remote view scale has not changed.
final dpr = WidgetsBinding
.instance.platformDispatcher.views.single.devicePixelRatio;
final key = '${cache.updateGetKey(scale, resizeImage: false)}_$dpr';
// Keep Original and older peers unchanged. A long-edge minimum preserves
// the proportions of thin remote cursors when normalizing their DPI.
final legacyMinimum = cache.pixelRatio == 0 ||
cursor.parent.target?.canvasModel.viewStyle.style == kRemoteViewStyleOriginal;
final key = '${cache.updateGetKey(scale, resizeImage: false, useLegacyMinimum: legacyMinimum)}_$dpr';
if (!cursor.cachedKeys.contains(key)) {
debugPrint(
"Register custom cursor with key $key (${cache.hotx},${cache.hoty})");