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fix scale & pan gestures conflict

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This commit is contained in:
csf 2022-05-10 11:27:16 +08:00
parent f197159f8b
commit 4840b2744b
2 changed files with 3 additions and 33 deletions
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5
lib/pages/remote_page.dart
View File

@ -529,6 +529,7 @@ class _RemotePageState extends State<RemotePage> {
FFI.sendMouse('up', MouseButtons.left);
}
},
// scale + pan event
onTwoFingerScaleUpdate: (d) {
FFI.canvasModel.updateScale(d.scale / _scale);
_scale = d.scale;
@ -538,10 +539,6 @@ class _RemotePageState extends State<RemotePage> {
onTwoFingerScaleEnd: (d) => _scale = 1,
onTwoFingerVerticalDragUpdate: (d) {
FFI.scroll(d.delta.dy / 2);
},
onTwoFingerPanUpdate: (d) {
FFI.canvasModel.panX(d.delta.dx);
FFI.canvasModel.panY(d.delta.dy);
});
}

31
lib/widgets/gestures.dart
View File

@ -8,7 +8,6 @@ enum CustomTouchGestureState {
twoFingerScale,
twoFingerVerticalDrag,
twoFingerHorizontalDrag,
twoFingerPan
}
const kScaleSlop = kPrecisePointerPanSlop / 15;
@ -29,7 +28,7 @@ class CustomTouchGestureRecognizer extends ScaleGestureRecognizer {
GestureDragUpdateCallback? onOneFingerPanUpdate;
GestureDragEndCallback? onOneFingerPanEnd;
// twoFingerScale
// twoFingerScale : scale + pan event
GestureScaleStartCallback? onTwoFingerScaleStart;
GestureScaleUpdateCallback? onTwoFingerScaleUpdate;
GestureScaleEndCallback? onTwoFingerScaleEnd;
@ -44,11 +43,6 @@ class CustomTouchGestureRecognizer extends ScaleGestureRecognizer {
GestureDragUpdateCallback? onTwoFingerHorizontalDragUpdate;
GestureDragEndCallback? onTwoFingerHorizontalDragEnd;
// twoFingerPan
GestureDragStartCallback? onTwoFingerPanStart;
GestureDragUpdateCallback? onTwoFingerPanUpdate;
GestureDragEndCallback? onTwoFingerPanEnd;
void _init() {
debugPrint("CustomTouchGestureRecognizer init");
onStart = (d) {
@ -94,11 +88,6 @@ class CustomTouchGestureRecognizer extends ScaleGestureRecognizer {
onTwoFingerVerticalDragUpdate!(_getDragUpdateDetails(d));
}
break;
case CustomTouchGestureState.twoFingerPan:
if (onTwoFingerPanUpdate != null) {
onTwoFingerPanUpdate!(_getDragUpdateDetails(d));
}
break;
default:
break;
}
@ -133,12 +122,6 @@ class CustomTouchGestureRecognizer extends ScaleGestureRecognizer {
onTwoFingerVerticalDragEnd!(_getDragEndDetails(d));
}
break;
case CustomTouchGestureState.twoFingerPan:
debugPrint("TwoFingerState.twoFingerPan onEnd");
if (onTwoFingerPanEnd != null) {
onTwoFingerPanEnd!(_getDragEndDetails(d));
}
break;
default:
break;
}
@ -188,14 +171,6 @@ class CustomTouchGestureRecognizer extends ScaleGestureRecognizer {
}
_currentState = CustomTouchGestureState.twoFingerVerticalDrag;
_reset();
} else if ((_sumHorizontal.abs() + _sumVertical.abs()) >
kPrecisePointerPanSlop) {
debugPrint("start TwoFingerPan");
_currentState = CustomTouchGestureState.twoFingerPan;
if (onTwoFingerPanStart != null) {
onTwoFingerPanStart!(_getDragStartDetails(d));
}
_reset();
}
}
@ -806,9 +781,7 @@ RawGestureDetector getMixinGestureDetector({
..onTwoFingerScaleUpdate = onTwoFingerScaleUpdate
..onTwoFingerScaleEnd = onTwoFingerScaleEnd
..onTwoFingerHorizontalDragUpdate = onTwoFingerHorizontalDragUpdate
..onTwoFingerVerticalDragUpdate = onTwoFingerVerticalDragUpdate
..onTwoFingerPanStart = onTwoFingerPanStart
..onTwoFingerPanUpdate = onTwoFingerPanUpdate;
..onTwoFingerVerticalDragUpdate = onTwoFingerVerticalDragUpdate;
})
});
}