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improve reader; fix #21

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nyne
2024-11-07 09:31:57 +08:00
parent 5a14ea48c1
commit 082aa36316
6 changed files with 44 additions and 5 deletions
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18
lib/pages/reader/gesture.dart
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@@ -22,6 +22,8 @@ class _ReaderGestureDetectorState extends State<_ReaderGestureDetector> {
_DragListener? dragListener;
int fingers = 0;
@override
void initState() {
_tapGestureRecognizer = TapGestureRecognizer()
@@ -38,6 +40,7 @@ class _ReaderGestureDetectorState extends State<_ReaderGestureDetector> {
return Listener(
behavior: HitTestBehavior.translucent,
onPointerDown: (event) {
fingers++;
_lastTapPointer = event.pointer;
_lastTapMoveDistance = Offset.zero;
_tapGestureRecognizer.addPointer(event);
@@ -46,7 +49,7 @@ class _ReaderGestureDetectorState extends State<_ReaderGestureDetector> {
_dragInProgress = false;
}
Future.delayed(_kLongPressMinTime, () {
if (_lastTapPointer == event.pointer) {
if (_lastTapPointer == event.pointer && fingers == 1) {
if(_lastTapMoveDistance!.distanceSquared < 20.0 * 20.0) {
onLongPressedDown(event.position);
_longPressInProgress = true;
@@ -67,6 +70,19 @@ class _ReaderGestureDetectorState extends State<_ReaderGestureDetector> {
}
},
onPointerUp: (event) {
fingers--;
if (_longPressInProgress) {
onLongPressedUp(event.position);
}
if(_dragInProgress) {
dragListener?.onEnd?.call();
_dragInProgress = false;
}
_lastTapPointer = null;
_lastTapMoveDistance = null;
},
onPointerCancel: (event) {
fingers--;
if (_longPressInProgress) {
onLongPressedUp(event.position);
}