maobo/cup_edit
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add controls to gesture detector

Browse Source
This commit is contained in:
Nick Fisher
2021-11-24 11:47:56 +08:00
parent 7ae6d85878
commit 1fd75fb2b1
1 changed files with 80 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
lib/gesture_detecting_filament_view.dart
View File

@@ -1,3 +1,4 @@
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart'; import 'package:flutter/widgets.dart';
import 'filament_controller.dart'; import 'filament_controller.dart';
@@ -5,10 +6,11 @@ import 'view/filament_widget.dart';
class GestureDetectingFilamentView extends StatefulWidget { class GestureDetectingFilamentView extends StatefulWidget {
final FilamentController controller; final FilamentController controller;
final bool rotate;
final bool showControls;
const GestureDetectingFilamentView( const GestureDetectingFilamentView(
{Key? key, required this.controller, this.rotate = false}) {Key? key, required this.controller, this.showControls = false})
: super(key: key); : super(key: key);
@override @override
@@ -17,32 +19,84 @@ class GestureDetectingFilamentView extends StatefulWidget {
class _GestureDetectingFilamentViewState class _GestureDetectingFilamentViewState
extends State<GestureDetectingFilamentView> { extends State<GestureDetectingFilamentView> {
int _primitiveIndex = 0; bool _rotate = false;
double _weight = 0.0;
@override
void didUpdateWidget(Widget oldWidget) {
if (widget.showControls !=
(oldWidget as GestureDetectingFilamentView).showControls) {
setState(() {});
}
super.didUpdateWidget(oldWidget);
}
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return GestureDetector( return Stack(children: [
Positioned.fill(
child: GestureDetector(
behavior: HitTestBehavior.opaque, behavior: HitTestBehavior.opaque,
onPanDown: (details) { onPanDown: (details) async {
widget.rotate await widget.controller.panEnd();
await widget.controller.rotateEnd();
_rotate
? widget.controller.rotateStart( ? widget.controller.rotateStart(
details.localPosition.dx, details.localPosition.dy) details.globalPosition.dx, details.globalPosition.dy)
: widget.controller : widget.controller.panStart(
.panStart(details.localPosition.dx, details.localPosition.dy); details.globalPosition.dx, details.globalPosition.dy);
}, },
onPanUpdate: (details) { onPanUpdate: (details) {
widget.rotate _rotate
? widget.controller.rotateUpdate( ? widget.controller.rotateUpdate(
details.localPosition.dx, details.localPosition.dy) details.globalPosition.dx, details.globalPosition.dy)
: widget.controller.panUpdate( : widget.controller.panUpdate(
details.localPosition.dx, details.localPosition.dy); details.globalPosition.dx, details.globalPosition.dy);
}, },
onPanEnd: (d) { onPanEnd: (d) {
widget.rotate _rotate
? widget.controller.rotateEnd() ? widget.controller.rotateEnd()
: widget.controller.panEnd(); : widget.controller.panEnd();
}, },
child: FilamentWidget(controller: widget.controller)); child: FilamentWidget(controller: widget.controller))),
widget.showControls
? Padding(
padding: const EdgeInsets.all(50),
child: Row(children: [
Checkbox(
value: _rotate,
onChanged: (v) {
setState(() {
_rotate = v == true;
});
}),
ElevatedButton(
onPressed: () => widget.controller.zoom(30.0),
child: const Text('-')),
ElevatedButton(
onPressed: () => widget.controller.zoom(-30.0),
child: const Text('+'))
]))
: Container()
]);
} }
} }
// behavior: HitTestBehavior.opaque,
// onPanDown: (details) {
// _rotate
// ? _filamentController.rotateStart(
// details.globalPosition.dx, details.globalPosition.dy)
// : _filamentController.panStart(
// details.globalPosition.dx, details.globalPosition.dy);
// },
// onPanUpdate: (details) {
// _rotate
// ? _filamentController.rotateUpdate(
// details.globalPosition.dx, details.globalPosition.dy)
// : _filamentController.panUpdate(
// details.globalPosition.dx, details.globalPosition.dy);
// },
// onPanEnd: (d) {
// _rotate
// ? _filamentController.rotateEnd()
// : _filamentController.panEnd();
// },