QSplitterLayoutStruct *QSplitter::addWidget( QWidget *w, bool first )
{
QSplitterLayoutStruct *s;
QSplitterHandle *newHandle = 0;
if ( data->list.count() > 0 ) {
s = new QSplitterLayoutStruct;
s->mode = KeepSize;
newHandle = new QSplitterHandle( orientation(), this );
s->wid = newHandle;
newHandle->setId(data->list.count());
s->isSplitter = TRUE;
s->sizer = pick( newHandle->sizeHint() );
if ( first )
data->list.insert( 0, s );
else
data->list.append( s );
}
s = new QSplitterLayoutStruct;
s->mode = Stretch;
s->wid = w;
if ( !testWState( WState_Resized ) && w->sizeHint().isValid() )
s->sizer = pick( w->sizeHint() );
else
s->sizer = pick( w->size() );
s->isSplitter = FALSE;
if ( first )
data->list.insert( 0, s );
else
data->list.append( s );
if ( newHandle && isVisible() )
newHandle->show(); //will trigger sending of post events
return s;
}
void QSplitterPrivate::setGeo(QSplitterLayoutStruct *sls, int p, int s, bool allowCollapse)
{
Q_Q(QSplitter);
QWidget *w = sls->widget;
QRect r;
QRect contents = q->contentsRect();
if (orient == Qt::Horizontal) {
r.setRect(p, contents.y(), s, contents.height());
} else {
r.setRect(contents.x(), p, contents.width(), s);
}
sls->rect = r;
int minSize = pick(qSmartMinSize(w));
if (orient == Qt::Horizontal && q->isRightToLeft())
r.moveRight(contents.width() - r.left());
if (allowCollapse)
sls->collapsed = s <= 0 && minSize > 0 && !w->isHidden();
// Hide the child widget, but without calling hide() so that
// the splitter handle is still shown.
if (sls->collapsed)
r.moveTopLeft(QPoint(-r.width()-1, -r.height()-1));
w->setGeometry(r);
if (!sls->handle->isHidden()) {
QSplitterHandle *h = sls->handle;
QSize hs = h->sizeHint();
int left, top, right, bottom;
h->getContentsMargins(&left, &top, &right, &bottom);
if (orient==Qt::Horizontal) {
if (q->isRightToLeft())
p = contents.width() - p + hs.width();
h->setGeometry(p-hs.width() - left, contents.y(), hs.width() + left + right, contents.height());
} else {
h->setGeometry(contents.x(), p-hs.height() - top, contents.width(), hs.height() + top + bottom);
}
}
}