bool QChildWidget::eventFilter(QObject *o, QEvent *e)
{
if (e->type() == QEvent::Paint){
QWidget *w = static_cast<QWidget*>(o);
for (QWidget *p = parentWidget(); p; p = p->parentWidget()){
const QPixmap *bg = p->backgroundPixmap();
if (bg){
QPoint pos = w->mapToGlobal(QPoint(0, 0));
pos = p->mapFromGlobal(pos);
QRect rc(pos.x(), pos.y(), w->width(), w->height());
if (rc != rcChild){
rcChild = rc;
QPixmap new_bg(w->width(), w->height());
QPainter pp(&new_bg);
pp.drawTiledPixmap(0, 0, w->width(), w->height(), *bg, pos.x(), pos.y());
pp.end();
w->setBackgroundPixmap(new_bg);
}
if (w->backgroundPixmap()){
QPainter pp(w);
pp.drawPixmap(0, 0, *w->backgroundPixmap());
}
return true;
}
}
}
return false;
}
bool QChildWidget::eventFilter(QObject *o, QEvent *e)
{
if (e->type() == QEvent::Paint){
QWidget *w = static_cast<QWidget*>(o);
for (QWidget *p = parentWidget(); p; p = p->parentWidget()){
const QPixmap bg = p->palette().brush(p->backgroundRole()).texture();
if (!bg.isNull()){
QPoint pos = w->mapToGlobal(QPoint(0, 0));
pos = p->mapFromGlobal(pos);
QRect rc(pos.x(), pos.y(), w->width(), w->height());
if (rc != rcChild){
rcChild = rc;
QPixmap new_bg(w->width(), w->height());
QPainter pp(&new_bg);
pp.drawTiledPixmap(0, 0, w->width(), w->height(), bg, pos.x(), pos.y());
pp.end();
QPalette palette = w->palette();
palette.setBrush(w->backgroundRole(), QBrush(new_bg));
w->setPalette(palette);
}
if (!w->palette().brush(w->backgroundRole()).texture().isNull()){
QPainter pp(w);
pp.drawPixmap(0, 0, w->palette().brush(w->backgroundRole()).texture());
}
return true;
}
}
}
return false;
}
