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Merge pull request rasitayaz#44 from rasitayaz/dev
update to 3.1.0
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| import 'dart:math'; | ||
| import 'dart:ui'; | ||
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|
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| import 'package:flutter/foundation.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter/rendering.dart'; | ||
| import 'package:pie_menu/src/pie_theme.dart'; | ||
|
|
||
| /// This widget is highly inspired by [Bounce](https://pub.dev/packages/bounce) | ||
| /// package created by [Guillaume Cendre](https://github.com/mrcendre) | ||
| class BouncingWidget extends StatefulWidget { | ||
| const BouncingWidget({ | ||
| super.key, | ||
| required this.theme, | ||
| required this.animation, | ||
| required this.locallyPressedOffset, | ||
| required this.child, | ||
| }); | ||
|
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| final PieTheme theme; | ||
| final Animation<double> animation; | ||
| final Offset? locallyPressedOffset; | ||
| final Widget child; | ||
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| @override | ||
| State<BouncingWidget> createState() => _BouncingWidgetState(); | ||
| } | ||
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| class _BouncingWidgetState extends State<BouncingWidget> { | ||
| var lastSize = Size.zero; | ||
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| @override | ||
| Widget build(BuildContext context) { | ||
| return AnimatedBuilder( | ||
| animation: widget.animation, | ||
| builder: (context, child) { | ||
| final v = 0.5 / max(lastSize.width, lastSize.height); | ||
| final transform = Matrix4.identity()..setEntry(3, 2, v); | ||
|
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| transform.scale( | ||
| lerpDouble(1, widget.theme.childBounceFactor, widget.animation.value), | ||
| ); | ||
|
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| final offset = widget.locallyPressedOffset; | ||
|
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| if (widget.theme.childTiltEnabled && offset != null) { | ||
| final x = offset.dx / lastSize.width; | ||
| final y = offset.dy / lastSize.height; | ||
|
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| const tiltAngle = pi / 10; | ||
|
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| final xAngle = (y - 0.5) * tiltAngle; | ||
| final yAngle = (x - 0.5) * (-tiltAngle); | ||
|
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| transform.rotateX(xAngle * widget.animation.value); | ||
| transform.rotateY(yAngle * widget.animation.value); | ||
| } | ||
|
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| return Transform( | ||
| transform: transform, | ||
| origin: Offset(lastSize.width / 2, lastSize.height / 2), | ||
| child: _WidgetSizeWrapper( | ||
| onSizeChange: (newSize) { | ||
| if (lastSize == newSize) return; | ||
| setState(() => lastSize = newSize); | ||
| }, | ||
| child: widget.child, | ||
| ), | ||
| ); | ||
| }, | ||
| child: widget.child, | ||
| ); | ||
| } | ||
| } | ||
|
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| typedef _OnWidgetSizeChange = Function(Size newSize); | ||
|
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| class _WidgetSizeRenderObject extends RenderProxyBox { | ||
| _WidgetSizeRenderObject(this.onSizeChange); | ||
|
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| final _OnWidgetSizeChange onSizeChange; | ||
| Size? currentSize; | ||
|
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| @override | ||
| void performLayout() { | ||
| super.performLayout(); | ||
|
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| try { | ||
| Size? newSize = child?.size; | ||
|
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| if (newSize != null && currentSize != newSize) { | ||
| currentSize = newSize; | ||
| WidgetsBinding.instance.addPostFrameCallback((_) { | ||
| onSizeChange(newSize); | ||
| }); | ||
| } | ||
| } catch (e) { | ||
| if (kDebugMode) { | ||
| print(e); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| class _WidgetSizeWrapper extends SingleChildRenderObjectWidget { | ||
| const _WidgetSizeWrapper({ | ||
| required this.onSizeChange, | ||
| required Widget super.child, | ||
| }); | ||
|
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| final _OnWidgetSizeChange onSizeChange; | ||
|
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| @override | ||
| RenderObject createRenderObject(BuildContext context) { | ||
| return _WidgetSizeRenderObject(onSizeChange); | ||
| } | ||
| } |
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