fix: Button can't reponse Return/Enter key

[FeiWang1119]

add the keys Return/Enter support in deepintheme

Issue: https://github.com/linuxdeepin/developer-center/issues/5852

[FeiWang1119]

/*! \reimp  qt5 widget */
void QPushButton::keyPressEvent(QKeyEvent *e)
{
    Q_D(QPushButton);
    switch (e->key()) {
    case Qt::Key_Enter:
    case Qt::Key_Return:
        if (autoDefault() || d->defaultButton) {
            click();
            break;
        }
        Q_FALLTHROUGH();
    default:
        QAbstractButton::keyPressEvent(e);
    }
}

[FeiWang1119]

bool QQuickAbstractButtonPrivate::acceptKeyClick(Qt::Key key) const
{
    const auto buttonPressKeys = QGuiApplicationPrivate::platformTheme()->themeHint(QPlatformTheme::ButtonPressKeys).value<QList<Qt::Key>>();
    return buttonPressKeys.contains(key);
}

void QQuickAbstractButton::keyPressEvent(QKeyEvent *event)
{
    Q_D(QQuickAbstractButton);
    QQuickControl::keyPressEvent(event);
    if (d->acceptKeyClick(static_cast<Qt::Key>(event->key()))) {
        d->setPressPoint(d->centerPressPoint());
        setPressed(true);

        if (d->autoRepeat)
            d->startRepeatDelay();

        emit pressed();
        event->accept();
    }
}

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: FeiWang1119, kegechen

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