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flutter_desktop: fix scroll event to rust

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Signed-off-by: fufesou <shuanglongchen@yeah.net>
This commit is contained in:
fufesou 2022-08-14 11:20:52 +08:00
parent 4fecbba87e
commit 98d66ed43c
1 changed files with 46 additions and 16 deletions
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62
flutter/lib/desktop/pages/remote_page.dart
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@ -491,8 +491,8 @@ class _RemotePageState extends State<RemotePage>
void _onPointerSignalImage(PointerSignalEvent e) {
if (e is PointerScrollEvent) {
var dx = e.scrollDelta.dx;
var dy = e.scrollDelta.dy;
var dx = e.scrollDelta.dx.toInt();
var dy = e.scrollDelta.dy.toInt();
if (dx > 0)
dx = -1;
else if (dx < 0) dx = 1;
@ -906,24 +906,54 @@ class ImagePaint extends StatelessWidget {
}
Widget _buildCrossScrollbar(Widget child) {
return Scrollbar(
controller: _vertical,
thumbVisibility: true,
trackVisibility: true,
child: Scrollbar(
controller: _horizontal,
debugPrint(
'REMOVE ME ==================================== _buildCrossScrollbar ${cursorOverImage.value}');
// final physicsVertical =
// cursorOverImage.value ? const NeverScrollableScrollPhysics() : null;
// final physicsHorizontal =
// cursorOverImage.value ? const NeverScrollableScrollPhysics() : null;
if (cursorOverImage.value) {
return Scrollbar(
controller: _vertical,
thumbVisibility: true,
trackVisibility: true,
notificationPredicate: (notif) => notif.depth == 1,
child: SingleChildScrollView(
controller: _vertical,
child: Scrollbar(
controller: _horizontal,
thumbVisibility: true,
trackVisibility: true,
notificationPredicate: (notif) => notif.depth == 1,
child: SingleChildScrollView(
controller: _horizontal,
scrollDirection: Axis.horizontal,
child: child,
controller: _vertical,
physics: const NeverScrollableScrollPhysics(),
child: SingleChildScrollView(
controller: _horizontal,
scrollDirection: Axis.horizontal,
physics: const NeverScrollableScrollPhysics(),
child: child,
),
),
),
));
));
} else {
return Scrollbar(
controller: _vertical,
thumbVisibility: true,
trackVisibility: true,
child: Scrollbar(
controller: _horizontal,
thumbVisibility: true,
trackVisibility: true,
notificationPredicate: (notif) => notif.depth == 1,
child: SingleChildScrollView(
controller: _vertical,
child: SingleChildScrollView(
controller: _horizontal,
scrollDirection: Axis.horizontal,
child: child,
),
),
));
}
}
Widget _buildListener(Widget child) {