poetic-glacier-7189

readme.md

poetic-glacier-7189

Created with <3 with dartpad.dev.

main.dart

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      // Application name
      title: 'Flutter Stateful Clicker Counter',
      theme: ThemeData(
        // Application theme data, you can set the colors for the application as
        // you want
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Flutter Demo Clicker Counter Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget  {
  final String title;
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> with SingleTickerProviderStateMixin{
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }
  
  void showValue(val){
    double f = val;
      setState(() {
      _counter ;
    });
  }
  
  double changeX = 0;
  bool isStart = false;
  
  late AnimationController animCtrl;
  late Animation growAnimation;
  
  final shape_painter = ShapePainter(100);
 
  
  @override
  initState(){
     animCtrl = AnimationController(vsync: this, duration: Duration(seconds: 3))
       ..addListener(() {
           //_incrementCounter();
           showValue(growAnimation.value);
           // print('GrowAnimation value: ${growAnimation.value}');
          
          });
       
    growAnimation = Tween<double>(begin: 0, end: 200).animate(animCtrl);
    animCtrl.forward();
  }
  
 


  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Wrap(
          children: <Widget>[
            Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: TextStyle(fontSize: 25),
            ),
//             Container(
//                width: 50,
//                height:100,
//                child: 
              
//               CustomPaint(
//               painter: ShapePainter(growAnimation.value),
//               child: Container(
//                 height: 100,
//                 width: 100,
//               )),
         Row(
       
           children: [
             // left handle
  GestureDetector(
                  onHorizontalDragStart: (DragStartDetails details){
                   print("st: ${details.localPosition.dx}");
                    // dx for start is the x offset of the mouse relative to the container
                    changeX = (_counter as double) - details.localPosition.dx.floor();
                  },
              onHorizontalDragUpdate: (DragUpdateDetails details) {
       
                setState((){
                // print(details.localPosition.dx);

            _counter =  changeX.floor() + details.localPosition.dx.floor();
        
                });
              }, 
    child:
             Container(           
               decoration: BoxDecoration(
    color: Colors.red,
    borderRadius:  BorderRadius.only(
        topLeft: Radius.circular(20),
        bottomLeft: Radius.circular(20),
      )
  ),
               width:10, height:200)
             
             ),
             
             Container(
         //  padding: const EdgeInsets.fromLTRB(20, 0, 20, 0),

                          
         child:   
         ClipRect( 
     
           child:
          Container( 
               width: _counter+0.2,
               height:200,
              
               child:
              AnimatedBuilder(
               animation: growAnimation,
                builder: (context, snapshot) {
                  return CustomPaint(
                    painter: ShapePainter(50),
                    child: Container(width: 100, height:100),
                  );
                },
              )
            
              )
            )
            ),
             
          
                GestureDetector(
                  onHorizontalDragStart: (DragStartDetails details){
                   print("st: ${details.localPosition.dx}");
                    // dx for start is the x offset of the mouse relative to the container
                    changeX = (_counter as double) - details.localPosition.dx.floor();
                  },
              onHorizontalDragUpdate: (DragUpdateDetails details) {
       
                setState((){
                // print(details.localPosition.dx);

            _counter =  changeX.floor() + details.localPosition.dx.floor();
        
                });
              },
                child: Container(
               width:10, 
               height:200,
        decoration: BoxDecoration(
    color: Colors.blue,
    borderRadius:  BorderRadius.only(
        topRight: Radius.circular(20),
        bottomRight: Radius.circular(20),
      )
  ))
      ),

            ]
         )
            
          ],
        ),
      ),
     
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ),
    );
  }
}





class ShapePainter extends CustomPainter {
  var h =0.0;
  var width =0.0;
  
  ShapePainter(this.width);
  

  
  @override
  void paint(Canvas canvas, Size size) {
    var paint = Paint()
      
      ..color = Colors.blue
      ..strokeWidth = 5
      ..strokeCap = StrokeCap.round;

    Offset startingPoint = Offset(0, size.height / 2);
    Offset endingPoint = Offset(size.width, size.height / 2);

    canvas.drawLine(startingPoint, endingPoint, paint);
    
    paint
      ..color = Color(0xff638965)
      ..style = PaintingStyle.fill;
    //a rectangle
    canvas.drawRect(Offset(0, 0) & Size(200, 200), paint);
   //canvas.clipRect;
    
  }

  @override
  bool shouldRepaint(CustomPainter oldDelegate) {
    return false;
  }
}