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);
}
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);
}
/*!
\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()));
}
/*!
\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));
}