Ejemplo n.º 1
0
void QGraphicsWidgetPrivate::updateFont(const QFont &font)
{
    Q_Q(QGraphicsWidget);
    // Update the local font setting.
    this->font = font;

    // Calculate new mask.
    if (q->isWindow() && !q->testAttribute(Qt::WA_WindowPropagation))
        inheritedFontResolveMask = 0;
    int mask = font.resolve() | inheritedFontResolveMask;

    // Propagate to children.
    for (int i = 0; i < children.size(); ++i) {
        QGraphicsItem *item = children.at(i);
        if (item->isWidget()) {
            QGraphicsWidget *w = static_cast<QGraphicsWidget *>(item);
            if (!w->isWindow() || w->testAttribute(Qt::WA_WindowPropagation))
                w->d_func()->resolveFont(mask);
        } else {
            item->d_ptr->resolveFont(mask);
        }
    }

    if (!polished)
        return;
    // Notify change.
    QEvent event(QEvent::FontChange);
    QApplication::sendEvent(q, &event);
}
Ejemplo n.º 2
0
void QGraphicsWidgetPrivate::updatePalette(const QPalette &palette)
{
    Q_Q(QGraphicsWidget);
    // Update local palette setting.
    this->palette = palette;

    // Calculate new mask.
    if (q->isWindow() && !q->testAttribute(Qt::WA_WindowPropagation))
        inheritedPaletteResolveMask = 0;
    int mask = palette.resolve() | inheritedPaletteResolveMask;

    // Propagate to children.
    for (int i = 0; i < children.size(); ++i) {
        QGraphicsItem *item = children.at(i);
        if (item->isWidget()) {
            QGraphicsWidget *w = static_cast<QGraphicsWidget *>(item);
            if (!w->isWindow() || w->testAttribute(Qt::WA_WindowPropagation))
                w->d_func()->resolvePalette(mask);
        } else {
            item->d_ptr->resolvePalette(mask);
        }
    }

    // Notify change.
    QEvent event(QEvent::PaletteChange);
    QApplication::sendEvent(q, &event);
}
Ejemplo n.º 3
0
/*!
    \internal
*/
void QGraphicsWidgetPrivate::clearFocusWidget()
{
    // Reset focus child chain.
    QGraphicsWidget *parent = static_cast<QGraphicsWidget *>(q_ptr);
    do {
        if (parent->d_func()->focusChild != q_ptr)
            break;
        parent->d_func()->focusChild = 0;
    } while (!parent->isWindow() && (parent = parent->parentWidget()));
}
Ejemplo n.º 4
0
/*!
    \internal
*/
void QGraphicsWidgetPrivate::setFocusWidget()
{
    // Update focus child chain.
    QGraphicsWidget *widget = static_cast<QGraphicsWidget *>(q_ptr);
    QGraphicsWidget *parent = widget;
    bool hidden = !visible;
    do {
        parent->d_func()->focusChild = widget;
    } while (!parent->isWindow() && (parent = parent->parentWidget()) && (!hidden || !parent->d_func()->visible));
}