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opt: load previous

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Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>
This commit is contained in:
bggRGjQaUbCoE
2025-04-04 16:18:18 +08:00
parent cb3e57feec
commit 7fafa88eb7
7 changed files with 35 additions and 16 deletions
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1
lib/common/widgets/loading_widget.dart
View File

@@ -10,7 +10,6 @@ Widget errorWidget({errMsg, callback}) => HttpError(
);
Widget scrollErrorWidget({errMsg, callback}) => CustomScrollView(
controller: ScrollController(),
slivers: [
HttpError(
errMsg: errMsg,

8
lib/common/widgets/scroll_physics.dart
View File

@@ -54,7 +54,9 @@ class CustomTabBarViewClampingScrollPhysics extends ClampingScrollPhysics {
}
class PositionRetainedScrollPhysics extends AlwaysScrollableScrollPhysics {
const PositionRetainedScrollPhysics({super.parent});
const PositionRetainedScrollPhysics({super.parent, this.shouldRetain = true});
final bool shouldRetain;
@override
PositionRetainedScrollPhysics applyTo(ScrollPhysics? ancestor) {
@@ -75,9 +77,9 @@ class PositionRetainedScrollPhysics extends AlwaysScrollableScrollPhysics {
velocity: velocity,
);
final diff = newPosition.maxScrollExtent - oldPosition.maxScrollExtent;
late final diff = newPosition.maxScrollExtent - oldPosition.maxScrollExtent;
if (oldPosition.pixels == 0 && diff > 0) {
if (shouldRetain && oldPosition.pixels == 0 && diff > 0) {
return position + diff;
} else {
return position;