449 lines
13 KiB
Dart
449 lines
13 KiB
Dart
import 'package:flutter/material.dart';
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import 'dart:math';
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class TrianglePainter extends CustomPainter {
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double sideSize;
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Color color;
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TrianglePainter({required this.sideSize, required this.color});
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@override
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void paint(Canvas canvas, Size size) {
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double ySize = sideSize * cos(30 * pi / 180);
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double xSize = sideSize;
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double point0x = xSize / 2;
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double point0y = ySize / 2;
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double point1x = -xSize / 2;
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double point1y = ySize / 2;
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double point2x = 0;
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double point2y = -ySize / 2;
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Path path = Path();
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path.moveTo(point0x, point0y);
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path.lineTo(point1x, point1y);
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path.lineTo(point2x, point2y);
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path.lineTo(point0x, point0y);
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path.close();
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canvas.drawPath(
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path,
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Paint()
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..color = color
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..strokeWidth = 4
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..style = PaintingStyle.stroke);
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canvas.save();
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canvas.restore();
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}
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@override
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bool shouldRepaint(TrianglePainter oldDelegate) {
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return oldDelegate.color != color || oldDelegate.sideSize != sideSize;
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}
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}
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Widget triangle(double sideSize, Color color, double angle) {
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return Transform.rotate(
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child: CustomPaint(
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painter: TrianglePainter(
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color: color,
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sideSize: sideSize,
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),
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),
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angle: angle * pi / 180);
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}
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class SquarePainter extends CustomPainter {
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double xSize, ySize;
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Color color;
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SquarePainter(
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{required this.xSize, required this.ySize, required this.color});
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@override
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void paint(Canvas canvas, Size size) {
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double point0x = xSize / 2;
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double point0y = ySize / 2;
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double point1x = -xSize / 2;
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double point1y = ySize / 2;
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double point2x = -xSize / 2;
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double point2y = -ySize / 2;
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double point3x = xSize / 2;
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double point3y = -ySize / 2;
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Path path = Path();
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path.moveTo(point0x, point0y);
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path.lineTo(point1x, point1y);
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path.lineTo(point2x, point2y);
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path.lineTo(point3x, point3y);
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path.lineTo(point0x, point0y);
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path.close();
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canvas.drawPath(
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path,
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Paint()
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..color = color
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..strokeWidth = 4
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..style = PaintingStyle.stroke);
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canvas.save();
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canvas.restore();
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}
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@override
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bool shouldRepaint(SquarePainter oldDelegate) {
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return oldDelegate.color != color ||
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oldDelegate.xSize != xSize ||
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oldDelegate.ySize != ySize;
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}
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}
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Widget square(double size, Color color) {
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return CustomPaint(
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painter: SquarePainter(
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color: color,
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xSize: size,
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ySize: size,
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));
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}
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Widget circle(double diameter, Color? color) {
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return Container(
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width: diameter,
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height: diameter,
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decoration: BoxDecoration(
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color: color,
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shape: BoxShape.circle,
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),
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);
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}
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Widget hollowCircle(double diameter, Color color) {
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return Container(
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width: diameter,
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height: diameter,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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border: Border.all(
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width: 4,
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color: color,
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),
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),
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);
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}
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class CrossPainter extends CustomPainter {
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double xSize, ySize;
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Color color;
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CrossPainter({required this.xSize, required this.ySize, required this.color});
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@override
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void paint(Canvas canvas, Size size) {
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double point0x = xSize / 2;
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double point0y = ySize / 2;
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double point1x = -xSize / 2;
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double point1y = ySize / 2;
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double point2x = -xSize / 2;
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double point2y = -ySize / 2;
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double point3x = xSize / 2;
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double point3y = -ySize / 2;
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final paint = Paint()
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..color = color
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..strokeWidth = 4;
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canvas.drawLine(Offset(point0x, point0y), Offset(point2x, point2y), paint);
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canvas.drawLine(Offset(point1x, point1y), Offset(point3x, point3y), paint);
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}
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@override
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bool shouldRepaint(CrossPainter oldDelegate) {
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return oldDelegate.color != color ||
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oldDelegate.xSize != xSize ||
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oldDelegate.ySize != ySize;
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}
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}
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Widget cross(double size, Color color) {
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return CustomPaint(
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painter: CrossPainter(
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color: color,
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xSize: size,
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ySize: size,
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));
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}
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class DirectionPad extends StatefulWidget {
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final double diameter;
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final Function leftCallback, rightCallback, forwardCallback, backwardCallback;
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const DirectionPad(
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{Key? key,
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required this.diameter,
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required this.leftCallback,
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required this.rightCallback,
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required this.forwardCallback,
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required this.backwardCallback})
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: super(key: key);
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@override
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State<DirectionPad> createState() => _DirectionPadState();
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}
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class _DirectionPadState extends State<DirectionPad> {
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Widget horizontalBar(double longSize, double shortSize, Color color) {
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return Container(
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width: longSize,
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height: shortSize,
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decoration: BoxDecoration(
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color: color,
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border: Border.all(
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color: color,
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),
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borderRadius: const BorderRadius.all(Radius.circular(5))));
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}
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@override
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Widget build(BuildContext context) {
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double diameter = widget.diameter;
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double circleDiameter = diameter;
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double keyLongSize = diameter * 0.8;
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double keyShortSize = diameter * 0.25;
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double longMargin = (circleDiameter - keyLongSize) / 2;
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double shortMargin = (circleDiameter - keyShortSize) / 2;
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double triangleSize = diameter * 0.175;
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Color callbackColor = const Color(0x00000000).withOpacity(0.0);
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return Stack(
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children: [
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circle(circleDiameter, Colors.grey[300]),
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Positioned(
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left: longMargin,
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top: shortMargin,
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child: horizontalBar(keyLongSize, keyShortSize, Colors.grey[600]!)),
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Positioned(
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left: shortMargin,
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top: longMargin,
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child: horizontalBar(keyShortSize, keyLongSize, Colors.grey[600]!)),
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// Left Button
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Positioned(
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left: longMargin + keyLongSize / 6,
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top: shortMargin + keyShortSize / 2,
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child: triangle(triangleSize, Colors.grey[800]!, -90.0)),
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Positioned(
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left: longMargin + keyLongSize / 6 - triangleSize / 2,
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top: shortMargin + keyShortSize / 2 - triangleSize / 2,
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child: Listener(
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onPointerDown: (event) {
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widget.leftCallback(-1);
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},
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onPointerUp: (event) {
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widget.leftCallback(1);
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},
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child: Container(
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width: triangleSize,
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height: triangleSize,
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color: callbackColor,
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))),
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// Forward Button
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Positioned(
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left: diameter / 2,
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top: longMargin + keyLongSize / 6,
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child: triangle(triangleSize, Colors.grey[800]!, 0.0)),
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Positioned(
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left: diameter / 2 - triangleSize / 2,
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top: longMargin + keyLongSize / 6 - triangleSize / 2,
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child: Listener(
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onPointerDown: (event) {
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widget.forwardCallback(-1);
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},
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onPointerUp: (event) {
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widget.forwardCallback(1);
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},
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child: Container(
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width: triangleSize,
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height: triangleSize,
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color: callbackColor))),
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// Backward Button
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Positioned(
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left: diameter / 2,
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top: longMargin + keyLongSize * 2 / 3 + keyLongSize / 6,
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child: triangle(triangleSize, Colors.grey[800]!, 180.0)),
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Positioned(
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left: diameter / 2 - triangleSize / 2,
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top: longMargin +
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keyLongSize * 2 / 3 +
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keyLongSize / 6 -
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triangleSize / 2,
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child: Listener(
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onPointerDown: (event) {
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widget.backwardCallback(-1);
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},
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onPointerUp: (event) {
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widget.backwardCallback(1);
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},
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child: Container(
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width: triangleSize,
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height: triangleSize,
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color: callbackColor,
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))),
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// Right Button
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Positioned(
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left: longMargin + keyLongSize * 2 / 3 + keyLongSize / 6,
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top: shortMargin + keyShortSize / 2,
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child: triangle(triangleSize, Colors.grey[800]!, 90.0)),
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Positioned(
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left: longMargin +
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keyLongSize * 2 / 3 +
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keyLongSize / 6 -
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triangleSize / 2,
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top: shortMargin + keyShortSize / 2 - triangleSize / 2,
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child: Listener(
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onPointerDown: (event) {
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widget.rightCallback(-1);
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},
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onPointerUp: (event) {
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widget.rightCallback(1);
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},
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child: Container(
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width: triangleSize,
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height: triangleSize,
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color: callbackColor,
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))),
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],
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);
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}
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}
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class KeyPad extends StatefulWidget {
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final double diameter;
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final Function squareCallback,
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circleCallback,
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triangleCallback,
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crossCallback;
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const KeyPad(
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{Key? key,
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required this.diameter,
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required this.squareCallback,
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required this.circleCallback,
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required this.triangleCallback,
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required this.crossCallback})
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: super(key: key);
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@override
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State<KeyPad> createState() => _KeyPadState();
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}
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class _KeyPadState extends State<KeyPad> {
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@override
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Widget build(BuildContext context) {
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double diameter = widget.diameter;
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double circleDiameter = diameter;
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double shortMargin = diameter * 0.225;
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double keySize = diameter * 0.275;
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double iconSize = diameter * 0.125;
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double hollowCircleDiameter = iconSize + 8;
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Color callbackColor = const Color(0x00000000).withOpacity(0.0);
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return Stack(children: [
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Positioned(child: circle(circleDiameter, Colors.grey[300]!)),
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Positioned(
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left: shortMargin - keySize / 2,
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top: circleDiameter / 2 - keySize / 2,
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child: circle(keySize, Colors.grey[700]!)),
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Positioned(
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left: circleDiameter - shortMargin - keySize / 2,
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top: circleDiameter / 2 - keySize / 2,
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child: circle(keySize, Colors.grey[700]!)),
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Positioned(
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left: circleDiameter / 2 - keySize / 2,
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top: circleDiameter - shortMargin - keySize / 2,
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child: circle(keySize, Colors.grey[700]!)),
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Positioned(
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left: circleDiameter / 2 - keySize / 2,
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top: shortMargin - keySize / 2,
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child: circle(keySize, Colors.grey[700]!)),
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Positioned(
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left: circleDiameter / 2,
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top: shortMargin - 4,
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child: triangle(iconSize, Colors.green[500]!, 0)),
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Positioned(
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left: circleDiameter / 2 - keySize / 2,
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top: shortMargin - keySize / 2,
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child: Listener(
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onPointerDown: (event) {
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widget.triangleCallback(-1);
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},
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onPointerUp: (event) {
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widget.triangleCallback(1);
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},
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child: Container(
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width: keySize,
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height: keySize,
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color: callbackColor,
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))),
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Positioned(
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left: circleDiameter / 2,
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top: circleDiameter - shortMargin,
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child: cross(iconSize, Colors.cyan[500]!)),
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Positioned(
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left: circleDiameter / 2 - keySize / 2,
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top: circleDiameter - shortMargin - keySize / 2,
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child: Listener(
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onPointerDown: (event) {
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widget.crossCallback(-1);
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},
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onPointerUp: (event) {
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widget.crossCallback(1);
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},
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child: Container(
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width: keySize,
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height: keySize,
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color: callbackColor,
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))),
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Positioned(
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left: shortMargin,
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top: circleDiameter / 2,
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child: square(iconSize, Colors.pink[500]!)),
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Positioned(
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left: shortMargin - keySize / 2,
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top: circleDiameter / 2 - keySize / 2,
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child: Listener(
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onPointerDown: (event) {
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widget.squareCallback(-1);
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},
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onPointerUp: (event) {
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widget.squareCallback(1);
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},
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child: Container(
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width: keySize,
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height: keySize,
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color: callbackColor,
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))),
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Positioned(
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left: -hollowCircleDiameter / 2 + circleDiameter - shortMargin,
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top: -hollowCircleDiameter / 2 + circleDiameter / 2,
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child: hollowCircle(hollowCircleDiameter, Colors.orange[500]!)),
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Positioned(
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left: -hollowCircleDiameter / 2 + circleDiameter - keySize,
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top: circleDiameter / 2 - keySize / 2,
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child: Listener(
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onPointerDown: (event) {
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widget.circleCallback(-1);
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},
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onPointerUp: (event) {
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widget.circleCallback(1);
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},
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child: Container(
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width: keySize,
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height: keySize,
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color: callbackColor,
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))),
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]);
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}
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}
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