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fix(cursor): keep the Windows minimum in logical pixels

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This commit is contained in:
fufesou
2026-09-12 03:33:38 +08:00
parent 96cd5cd1e2
commit daafa09318
2 changed files with 8 additions and 3 deletions
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7
flutter/lib/native/custom_cursor.dart
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@@ -1,4 +1,5 @@
import 'dart:async';
import 'dart:math' as math;
import 'package:flutter_custom_cursor/cursor_manager.dart'
as custom_cursor_manager;
@@ -29,7 +30,11 @@ MouseCursor buildCursorOfCache(
// 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';
// The minimum is logical, while Windows callers pass a physical scale.
final effectiveScale = !legacyMinimum && isWindows
? math.max(scale, kMinCursorSize * dpr / math.max(cache.width, cache.height))
: scale;
final key = '${cache.updateGetKey(effectiveScale, resizeImage: false, useLegacyMinimum: legacyMinimum)}_$dpr';
if (!cursor.cachedKeys.contains(key)) {
debugPrint(
"Register custom cursor with key $key (${cache.hotx},${cache.hoty})");

4
flutter/test/cursor_dpi_policy_test.dart
View File

@@ -123,8 +123,8 @@ void main() {
(kRemoteViewStyleAdaptive, false, 1, 0.25, Platform.isWindows ? 2.0 : 1.0),
(kRemoteViewStyleAdaptive, false, 2, 0.25, Platform.isWindows ? 1.0 : 0.5),
(kRemoteViewStyleCustom, false, 2, 0.25, Platform.isWindows ? 1.0 : 0.5),
(kRemoteViewStyleAdaptive, true, 2, 0.25, 1 / 3),
(kRemoteViewStyleCustom, true, 2, 0.25, 1 / 3),
(kRemoteViewStyleAdaptive, true, 2, 0.25, Platform.isWindows ? 2 / 3 : 1 / 3),
(kRemoteViewStyleCustom, true, 2, 0.25, Platform.isWindows ? 2 / 3 : 1 / 3),
(kRemoteViewStyleOriginal, false, 2, 0.5, Platform.isWindows ? 1.0 : 2 / 3),
]) {
testWidgets(