C++ (Cpp) QMainWindow::iconSize Exemples

Exemple #1

Fichier : qtoolbar.cpp Projet : dirlinch/chromecast-mirrored-source.vendor

void QToolBar::setIconSize(const QSize &iconSize)
{
    Q_D(QToolBar);
    QSize sz = iconSize;
    if (!sz.isValid()) {
        QMainWindow *mw = qobject_cast<QMainWindow *>(parentWidget());
        if (mw && mw->layout()) {
            QLayout *layout = mw->layout();
            int i = 0;
            QLayoutItem *item = 0;
            do {
                item = layout->itemAt(i++);
                if (item && (item->widget() == this))
                    sz = mw->iconSize();
            } while (!sz.isValid() && item != 0);
        }
    }
    if (!sz.isValid()) {
        const int metric = style()->pixelMetric(QStyle::PM_ToolBarIconSize, 0, this);
        sz = QSize(metric, metric);
    }
    if (d->iconSize != sz) {
        d->iconSize = sz;
        setMinimumSize(0, 0);
        emit iconSizeChanged(d->iconSize);
    }
    d->explicitIconSize = iconSize.isValid();

    d->layout->invalidate();
}