circles on screen

circle.cpp

#include "circle.h"



Circle::Circle(QObject *parent) : QObject(parent)
  ,x(rand() % 600)
  ,y(rand() % 600)
{

}

int Circle::getY()
{


    y += 1;
    return y;
}

int Circle::getX()
{

      x +=1;
     return x;
}

Circle::slotPositionX()
{
    emit getX();
}

Circle::slotPositionY()
{
  emit getY();
}

circle.h

#ifndef CIRCLE_H
#define CIRCLE_H

#include <QObject>


class Circle : public QObject
{

    Q_OBJECT
    Q_PROPERTY(int x READ getX NOTIFY xPosition())
    Q_PROPERTY(int y READ getY NOTIFY yPosition())

public:
    explicit Circle(QObject *parent = nullptr);
    int getX();
    int getY();

signals:
    void xPosition();
    void yPosition();
public slots:
    slotPositionX();
    slotPositionY();

private:
    int x;
    int y;
};





#endif // CIRCLE_H

main.cpp

#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QObject>

#include "circle.h"

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);

    QQmlApplicationEngine engine;
    qmlRegisterType<Circle>("circle", 1, 0, "Circle");

    engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
    if (engine.rootObjects().isEmpty())
        return -1;





    return app.exec();
}

main.qml

import QtQuick 2.6
import QtQuick.Window 2.2
import circle 1.0

Window {
    visible: true
    width: 800
    height: 600
    title: qsTr("Test")


    ListView {
        id: listView
        width: 600
        height: 600
        delegate:

            Rectangle {
            id: circle
            width: 60
            height: 60
            color: "black"
            radius: 40
            x: 0
            y: 0

            Circle{
                id: objCircle
            }

            Behavior on x {
                SpringAnimation{
                    spring: 2
                    damping: 0.2
                }
            }

            Behavior on y {
                SpringAnimation{
                    spring: 2
                    damping: 0.2
                }
            }

            MouseArea{
                anchors.fill: parent
                onClicked: {
                    if(circle.state == 1)
                    {
                        circle.visible = false
                    }
                    else
                    {
                    circle.color = "red"
                        circle.state = 1;
                    }
                }

            }

            Timer {
                interval: 1; running: true; repeat: true
                onTriggered: {
                    x = objCircle.slotPositionX()
                    y = objCircle.slotPositionY()
                }
            }
        }

        model: ListModel {
            id: listModel
            ListElement{

            }
            ListElement{

            }
            ListElement{

            }
            ListElement{

            }
            ListElement{

            }
            ListElement{

            }
            ListElement{

            }
            ListElement{

            }
            ListElement{

            }
            ListElement{

            }
        }
    }

}