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add controls to gesture detector

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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
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106
lib/gesture_detecting_filament_view.dart
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@@ -1,3 +1,4 @@
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'filament_controller.dart';
@@ -5,10 +6,11 @@ import 'view/filament_widget.dart';
class GestureDetectingFilamentView extends StatefulWidget {
final FilamentController controller;
final bool rotate;
final bool showControls;
const GestureDetectingFilamentView(
{Key? key, required this.controller, this.rotate = false})
{Key? key, required this.controller, this.showControls = false})
: super(key: key);
@override
@@ -17,32 +19,84 @@ class GestureDetectingFilamentView extends StatefulWidget {
class _GestureDetectingFilamentViewState
extends State<GestureDetectingFilamentView> {
int _primitiveIndex = 0;
double _weight = 0.0;
bool _rotate = false;
@override
void didUpdateWidget(Widget oldWidget) {
if (widget.showControls !=
(oldWidget as GestureDetectingFilamentView).showControls) {
setState(() {});
}
super.didUpdateWidget(oldWidget);
}
@override
Widget build(BuildContext context) {
return GestureDetector(
behavior: HitTestBehavior.opaque,
onPanDown: (details) {
widget.rotate
? widget.controller.rotateStart(
details.localPosition.dx, details.localPosition.dy)
: widget.controller
.panStart(details.localPosition.dx, details.localPosition.dy);
},
onPanUpdate: (details) {
widget.rotate
? widget.controller.rotateUpdate(
details.localPosition.dx, details.localPosition.dy)
: widget.controller.panUpdate(
details.localPosition.dx, details.localPosition.dy);
},
onPanEnd: (d) {
widget.rotate
? widget.controller.rotateEnd()
: widget.controller.panEnd();
},
child: FilamentWidget(controller: widget.controller));
return Stack(children: [
Positioned.fill(
child: GestureDetector(
behavior: HitTestBehavior.opaque,
onPanDown: (details) async {
await widget.controller.panEnd();
await widget.controller.rotateEnd();
_rotate
? widget.controller.rotateStart(
details.globalPosition.dx, details.globalPosition.dy)
: widget.controller.panStart(
details.globalPosition.dx, details.globalPosition.dy);
},
onPanUpdate: (details) {
_rotate
? widget.controller.rotateUpdate(
details.globalPosition.dx, details.globalPosition.dy)
: widget.controller.panUpdate(
details.globalPosition.dx, details.globalPosition.dy);
},
onPanEnd: (d) {
_rotate
? widget.controller.rotateEnd()
: widget.controller.panEnd();
},
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();
// },