prob in filter Esc key for dialog in a class

[Askar]

This is my code

void CommonFunctions::progressbar(QString Dialogtext)
{
    layout = new QVBoxLayout;
    l = new QLabel( Dialogtext);
    l->setWordWrap(true);
    progress = new QProgressBar();
    progress->setWindowModality(Qt::WindowModal);
    progress->setRange(0,10);
    layout->addWidget(l);
    layout->addWidget(progress,Qt::AlignCenter);
    win->setMaximumWidth(320);
    win->setModal(true);
    win->setLayout(layout);
    win->setWindowTitle("title");
    installEventFilter(win);
    win->setWindowFlags(Qt::Dialog|Qt::WindowMaximizeButtonHint);
    win->show();
}
 
bool QDialog::eventFilter(QObject *object, QEvent *event)
 {
     if (event->type() == QEvent::KeyPress) {
         QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
         if (keyEvent->key() == Qt::Key_Escape) {
             keyEvent->ignore();
             return true;
         } else
             return false;
     }
     return false;
 }

void CommonFunctions::progressbar(QString Dialogtext)
{
    layout = new QVBoxLayout;
    l = new QLabel( Dialogtext);
    l->setWordWrap(true);
    progress = new QProgressBar();
    progress->setWindowModality(Qt::WindowModal);
    progress->setRange(0,10);
    layout->addWidget(l);
    layout->addWidget(progress,Qt::AlignCenter);
    win->setMaximumWidth(320);
    win->setModal(true);
    win->setLayout(layout);
    win->setWindowTitle("title");
    installEventFilter(win);
    win->setWindowFlags(Qt::Dialog|Qt::WindowMaximizeButtonHint);
    win->show();
}
 
bool QDialog::eventFilter(QObject *object, QEvent *event)
 {
     if (event->type() == QEvent::KeyPress) {
         QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
         if (keyEvent->key() == Qt::Key_Escape) {
             keyEvent->ignore();
             return true;
         } else
             return false;
     }
     return false;
 }

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i had checked this code by setting a breakpoint in eventFilter(), while pressing Esc key debugger stops at break point and checks the condition in 22 line of the above code , but it fails & returns false

where im getting wrong can anybody help me....

[high_flyer]

EDIT:
events of which object do you want to filter?

[wagmare]

try this ... but not sure
win->installEventFilter(this);
bool CommonFunctions::eventFilter()

[Askar]

i already tried with

bool CommonFunctions::eventFilter()

bool CommonFunctions::eventFilter()

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but it gives error eventFilter() not a member of CommonFunctions

[high_flyer]

you have to add it to your header too!

[faldzip]

i already tried with

bool CommonFunctions::eventFilter()

bool CommonFunctions::eventFilter()

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but it gives error eventFilter() not a member of CommonFunctions

I think you should start from the beginning and learn some necessary C++ basics...