void ItemWidget::updateSize(const QSize &maximumSize, int idealWidth)
{
QWidget *w = widget();
w->setMaximumSize(maximumSize);
const int idealHeight = w->heightForWidth(idealWidth);
const int maximumHeight = w->heightForWidth(maximumSize.width());
if (idealHeight <= 0 && maximumHeight <= 0)
w->resize(w->sizeHint());
else if (idealHeight != maximumHeight)
w->setFixedSize( maximumSize.width(), maximumHeight );
else
w->setFixedSize(idealWidth, idealHeight);
}
bool eventFilter(QObject* obj, QEvent* event) override
{
// check input
if (event->type() != QEvent::MouseButtonDblClick)
return false;
QMouseEvent* mouseEvent = static_cast<QMouseEvent*>(event);
if (mouseEvent->button() != Qt::LeftButton)
return false;
QSplitterHandle* splitterHandle = qobject_cast<QSplitterHandle*>(obj);
if (!splitterHandle)
return false;
QSplitter* splitter = splitterHandle->splitter();
if (!splitter || splitter->count() < 2)
return false;
// change splitter sizes to make description panel occupy ideal height
QWidget* bottomWidget = splitter->widget(1);
QList<int> sizes = splitter->sizes();
if (sizes.size() != 2)
return false;
sizes[0] += sizes[1];
sizes[1] = bottomWidget->heightForWidth(bottomWidget->size().width());
sizes[0] -= qMax(sizes[1], 0);
splitter->setSizes(sizes);
return true;
}
int QWidgetProto::heightForWidth(int w) const
{
QWidget *item = qscriptvalue_cast<QWidget*>(thisObject());
if (item)
return item->heightForWidth(w);
return 0;
}