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opt image viewer gesture

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Signed-off-by: dom <githubaccount56556@proton.me>
This commit is contained in:
dom
2026-03-20 13:55:34 +08:00
parent ae59d257c3
commit 236b524445
3 changed files with 188 additions and 81 deletions
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33
lib/common/widgets/gesture/horizontal_drag_gesture_recognizer.dart
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@@ -1,26 +1,29 @@
import 'package:PiliPlus/utils/storage_pref.dart';
import 'package:flutter/gestures.dart';
class CustomHorizontalDragGestureRecognizer
extends HorizontalDragGestureRecognizer {
CustomHorizontalDragGestureRecognizer({
super.debugOwner,
super.supportedDevices,
super.allowedButtonsFilter,
});
mixin InitialPositionMixin on GestureRecognizer {
Offset? _initialPosition;
Offset? get initialPosition => _initialPosition;
@override
DeviceGestureSettings get gestureSettings => _gestureSettings;
final _gestureSettings = DeviceGestureSettings(touchSlop: touchSlopH);
@override
void addAllowedPointer(PointerDownEvent event) {
super.addAllowedPointer(event);
_initialPosition = event.position;
}
}
class CustomHorizontalDragGestureRecognizer
extends HorizontalDragGestureRecognizer
with InitialPositionMixin {
CustomHorizontalDragGestureRecognizer({
super.debugOwner,
super.supportedDevices,
super.allowedButtonsFilter,
});
@override
DeviceGestureSettings get gestureSettings => _gestureSettings;
final _gestureSettings = DeviceGestureSettings(touchSlop: touchSlopH);
@override
bool hasSufficientGlobalDistanceToAccept(
@@ -41,7 +44,7 @@ double touchSlopH = Pref.touchSlopH;
bool _computeHitSlop(
double globalDistanceMoved,
DeviceGestureSettings? settings,
DeviceGestureSettings settings,
PointerDeviceKind kind,
Offset? initialPosition,
Offset lastPosition,
@@ -53,10 +56,10 @@ bool _computeHitSlop(
case PointerDeviceKind.invertedStylus:
case PointerDeviceKind.unknown:
case PointerDeviceKind.touch:
return globalDistanceMoved > touchSlopH &&
return globalDistanceMoved > settings.touchSlop! &&
_calc(initialPosition!, lastPosition);
case PointerDeviceKind.trackpad:
return globalDistanceMoved > (settings?.touchSlop ?? kTouchSlop);
return globalDistanceMoved > settings.touchSlop!;
}
}