QGraphicsObject color change animation

[mvbhavsar]

Pl. see below code code.
after using qpropertyanimation updation of qgraphicsobject is not happening properly.

#ifndef MYARRAY_H
#define MYARRAY_H
 
#include <QtGui>
 
class myarray : public QGraphicsObject
{
    Q_OBJECT
public:
    explicit myarray(QStringList nlist, QGraphicsItem *parent = 0);
    QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
 
signals:
 
public slots:
 
private:
    QStringList vlist;
    QFont appFont;
    int x, y, wid, ht;
    int cntr;
    int totwid;
    bool isNonArray;
 
};
 
#endif // MYARRAY_H

#ifndef MYARRAY_H
#define MYARRAY_H

#include <QtGui>

class myarray : public QGraphicsObject
{
    Q_OBJECT
public:
    explicit myarray(QStringList nlist, QGraphicsItem *parent = 0);
    QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

signals:

public slots:

private:
    QStringList vlist;
    QFont appFont;
    int x, y, wid, ht;
    int cntr;
    int totwid;
    bool isNonArray;

};

#endif // MYARRAY_H

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#include "myarray.h"
 
myarray::myarray(QStringList nlist, QGraphicsItem *parent) :
    QGraphicsObject(parent)
{
    vlist = nlist;
    x=0;
    y=0;
    wid=0;
    ht=0;
    cntr=0;
    QFont font("Calibri",14);
    QFontMetrics fm(font);
    foreach(QString s, vlist){
        wid += fm.width(s);
        qDebug() << fm.width(s);
    }
    totwid=wid;
    ht = fm.height();
    appFont = font;
}
 
QRectF myarray::boundingRect() const
{
    return QRectF(0,0,wid+10,ht+10);
}
 
void myarray::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    Q_UNUSED(option);
    Q_UNUSED(widget);
    wid=0;
    cntr=0;
    if (cntr++==0){
        x=0;
        y=0;
    }
    qDebug() << cntr;
    painter->save();
    painter->setRenderHint(QPainter::Antialiasing, true);
    painter->setPen(Qt::red);
    painter->setBrush(Qt::yellow);
    foreach(QString s, vlist){
        QFontMetrics fm(appFont);
        wid = fm.width(s);
        painter->drawRect(x,y,wid+10,ht+10);
        painter->setFont(appFont);
        painter->drawText(QRect(x+5,y+5,wid,ht),Qt::AlignHCenter|Qt::AlignVCenter,s);
        x += wid+10;
    }
    painter->restore();
    update();
}

#include "myarray.h"

myarray::myarray(QStringList nlist, QGraphicsItem *parent) :
    QGraphicsObject(parent)
{
    vlist = nlist;
    x=0;
    y=0;
    wid=0;
    ht=0;
    cntr=0;
    QFont font("Calibri",14);
    QFontMetrics fm(font);
    foreach(QString s, vlist){
        wid += fm.width(s);
        qDebug() << fm.width(s);
    }
    totwid=wid;
    ht = fm.height();
    appFont = font;
}

QRectF myarray::boundingRect() const
{
    return QRectF(0,0,wid+10,ht+10);
}

void myarray::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    Q_UNUSED(option);
    Q_UNUSED(widget);
    wid=0;
    cntr=0;
    if (cntr++==0){
        x=0;
        y=0;
    }
    qDebug() << cntr;
    painter->save();
    painter->setRenderHint(QPainter::Antialiasing, true);
    painter->setPen(Qt::red);
    painter->setBrush(Qt::yellow);
    foreach(QString s, vlist){
        QFontMetrics fm(appFont);
        wid = fm.width(s);
        painter->drawRect(x,y,wid+10,ht+10);
        painter->setFont(appFont);
        painter->drawText(QRect(x+5,y+5,wid,ht),Qt::AlignHCenter|Qt::AlignVCenter,s);
        x += wid+10;
    }
    painter->restore();
    update();
}

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#ifndef TESTGRAPHICS_H
#define TESTGRAPHICS_H
 
#include <QtGui>
#include "myarray.h"
 
namespace Ui {
    class testgraphics;
}
 
class testgraphics : public QMainWindow
{
    Q_OBJECT
 
public:
    explicit testgraphics(QWidget *parent = 0);
    ~testgraphics();
 
private slots:
    void fin();
 
private:
    Ui::testgraphics *ui;
    myarray *m;
};
 
#endif // TESTGRAPHICS_H

#ifndef TESTGRAPHICS_H
#define TESTGRAPHICS_H

#include <QtGui>
#include "myarray.h"

namespace Ui {
    class testgraphics;
}

class testgraphics : public QMainWindow
{
    Q_OBJECT

public:
    explicit testgraphics(QWidget *parent = 0);
    ~testgraphics();

private slots:
    void fin();

private:
    Ui::testgraphics *ui;
    myarray *m;
};

#endif // TESTGRAPHICS_H

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#include "testgraphics.h"
#include "ui_testgraphics.h"
 
testgraphics::testgraphics(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::testgraphics)
{
    ui->setupUi(this);
    QGraphicsScene *scene = new QGraphicsScene;
    ui->graphicsView->setScene(scene);
    scene->setSceneRect(QRect(0,0,500,500));
    QGraphicsRectItem *rect = new QGraphicsRectItem;
    rect->setRect(0,0,350,350);
    scene->addItem(rect);
    QGraphicsTextItem *text = new QGraphicsTextItem;
    text->setPlainText("Hello");
    text->setPos(100,100);
    text->setParentItem(rect);
 
    m = new myarray(QStringList() << "152" << "116");
    m->setPos(150,150);
    m->setParentItem(rect);
    m->setOpacity(0.2);
    QPropertyAnimation *anim = new QPropertyAnimation(m,"opacity");
    anim->setDuration(5000);
    anim->setEndValue(1.0);
    connect(anim,SIGNAL(finished()),this,SLOT(fin()));
    anim->start(QPropertyAnimation::DeleteWhenStopped);
}
 
testgraphics::~testgraphics()
{
    delete ui;
}
 
void testgraphics::fin()
{
    m->update();
}

#include "testgraphics.h"
#include "ui_testgraphics.h"

testgraphics::testgraphics(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::testgraphics)
{
    ui->setupUi(this);
    QGraphicsScene *scene = new QGraphicsScene;
    ui->graphicsView->setScene(scene);
    scene->setSceneRect(QRect(0,0,500,500));
    QGraphicsRectItem *rect = new QGraphicsRectItem;
    rect->setRect(0,0,350,350);
    scene->addItem(rect);
    QGraphicsTextItem *text = new QGraphicsTextItem;
    text->setPlainText("Hello");
    text->setPos(100,100);
    text->setParentItem(rect);

    m = new myarray(QStringList() << "152" << "116");
    m->setPos(150,150);
    m->setParentItem(rect);
    m->setOpacity(0.2);
    QPropertyAnimation *anim = new QPropertyAnimation(m,"opacity");
    anim->setDuration(5000);
    anim->setEndValue(1.0);
    connect(anim,SIGNAL(finished()),this,SLOT(fin()));
    anim->start(QPropertyAnimation::DeleteWhenStopped);
}

testgraphics::~testgraphics()
{
    delete ui;
}

void testgraphics::fin()
{
    m->update();
}

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Regards
Manish