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Fix predefined cursor density and scrollbar centering

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This commit is contained in:
fufesou
2026-09-13 00:18:06 +08:00
parent feff308f11
commit 32e9895294
3 changed files with 55 additions and 21 deletions
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30
flutter/test/cursor_paint_scale_test.dart
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@@ -118,16 +118,18 @@ class _CanvasModel extends ChangeNotifier implements CanvasModel {
}
class _ScrollbarCanvasModel extends _CanvasModel {
_ScrollbarCanvasModel(String style) : super(style, 2, true) {
_ScrollbarCanvasModel(String style, {Size? frame, double scale = 2})
: super(style, scale, true) {
imageOverflow.value = true;
if (frame != null) _ffi.ffiModel.rect = Offset.zero & frame;
}
@override
ScrollStyle get scrollStyle => ScrollStyle.scrollbar;
@override
double get scrollX => 0.1;
double get scrollX => _ffi.ffiModel.rect.width * scale > size.width ? 0.1 : 0;
@override
double get scrollY => 0.2;
double get scrollY => _ffi.ffiModel.rect.height * scale > size.height ? 0.2 : 0;
}
class _Canvas extends Fake implements Canvas {
@@ -249,12 +251,20 @@ void main() {
});
}
for (final style in [kRemoteViewStyleOriginal, kRemoteViewStyleCustom]) {
testWidgets('$style painted cursor follows scrollbar position',
(tester) async {
final painter = await _paintCursor(tester, _ScrollbarCanvasModel(style));
final target = _remotePosition * 2 -
Offset(_viewport.width * 2 * 0.1, _viewport.height * 2 * 0.2);
expect((Offset(painter.x, painter.y) + _hotspot) * painter.scale, target);
});
for (final (frame, scale, offset) in [
(_viewport, 2.0, const Offset(-40, -64)),
(const Size(199, 320), 1.0, const Offset(0, -64)),
(const Size(198, 320), 1.0, const Offset(1, -64)),
(const Size(400, 159), 1.0, const Offset(-40, 0)),
(const Size(400, 158), 1.0, const Offset(-40, 1)),
]) {
testWidgets('$style frame=$frame painted cursor follows scrollbar layout',
(tester) async {
final painter = await _paintCursor(
tester, _ScrollbarCanvasModel(style, frame: frame, scale: scale));
final target = _remotePosition * scale + offset;
expect((Offset(painter.x, painter.y) + _hotspot) * painter.scale, target);
});
}
}
}