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test(cursor): clarify scale constraints and isolate DPR checks

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fufesou
2026-09-12 14:29:40 +08:00
parent a3bfe075d5
commit 85e7c72ccd
3 changed files with 9 additions and 1 deletions
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4
flutter/lib/desktop/pages/remote_page.dart
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@@ -1421,15 +1421,19 @@ class CursorPaint extends StatelessWidget {
final image = m.image ?? preDefaultCursor.image;
final nativePixels = isWindows ? MediaQuery.devicePixelRatioOf(context) : 1.0;
// Show remote cursor follows the image scale, independently of Zoom cursor.
double scale = c.scale;
if (image != null && scale * nativePixels != 1.0) {
final sx = kMinCursorSize / (image.width * nativePixels);
final sy = kMinCursorSize / (image.height * nativePixels);
// Preserve Original's short-edge minimum; scaled views use the long edge.
final minimumScale = c.viewStyle.style == kRemoteViewStyleOriginal
? (sx > sy ? sx : sy)
: (sx < sy ? sx : sy);
if (scale < minimumScale) scale = minimumScale;
}
// Keep the hotspot at the remote position even when the minimum enlarges
// the cursor; fractional coordinates must survive painting below.
final x = (m.x * c.scale + cx) / scale - hotx;
final y = (m.y * c.scale + cy) / scale - hoty;