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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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11
flutter/lib/desktop/pages/remote_page.dart
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@@ -1113,7 +1113,11 @@ class _ImagePaintState extends State<ImagePaint> {
mouseRegion({child}) => Obx(() {
double getCursorScale() {
final cursor = Provider.of<CursorModel>(context);
final peerDpr = cursor.cache?.pixelRatio ?? 0;
// Predefined artwork must not inherit the cached remote bitmap's DPI.
final cache = keyboardEnabled.isTrue
? cursor.cache ?? preDefaultCursor.cache
: preForbiddenCursor.cache;
final peerDpr = cache?.pixelRatio ?? 0;
if (!isWeb && isViewScaled() && !zoomCursor.value && peerDpr > 0) {
return (isWindows ? dpr : 1.0) / peerDpr;
}
@@ -1417,9 +1421,10 @@ class CursorPaint extends StatelessWidget {
// Pan offsets can be stale after leaving the image; scrollbars do not use them.
final imageWidth = rect.width * c.scale;
final imageHeight = rect.height * c.scale;
cx = (c.size.width > imageWidth ? (c.size.width - imageWidth) / 2 : 0) -
// Match the integer centering in _buildCrossScrollbarFromLayout.
cx = (c.size.width > imageWidth ? (c.size.width - imageWidth) ~/ 2 : 0) -
imageWidth * c.scrollX;
cy = (c.size.height > imageHeight ? (c.size.height - imageHeight) / 2 : 0) -
cy = (c.size.height > imageHeight ? (c.size.height - imageHeight) ~/ 2 : 0) -
imageHeight * c.scrollY;
}