how to limit QListWiget height?

[chaochao]

Now I new a QListWiget just with four items . But it's height always equal to window's height. I want to limit it's height by four items's totall height . I have tyied stylesheet ,resize ,but it can not work.

_listwidget->addItem(tr("ALL"));
_listwidget->addItem(tr("Prefer));
_listwidget->addItem(tr("Current"));
_listwidget->addItem(tr("Rcent"));

QGridLayout *layout = new QGridLayout;
layout->setColumnStretch(0,1);
layout->setColumnStretch(1,3);
layout->addWidget(_listwidget,0,0,1,1);
layout->addLayout(_stacklayout,0,1,3,1);
layout->addWidget(_infowidget,1,0,2,1);

if don't limit the listwidget height, _infowidget can not display.Thank for you help.

[VRonin]

_listwidget->setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
_listwidget->setSizePolicy(QSizePolicy::Preferred,QSizePolicy::Maximum);

[chaochao]

@VRonin thanks