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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
//! [0]
static void paintLayout(QPainter *painter, QLayoutItem *item)
{
QLayout *layout = item->layout();
if (layout) {
for (int i = 0; i < layout->count(); ++i)
paintLayout(painter, layout->itemAt(i));
}
painter->drawRect(item->geometry());
}
void MyWidget::paintEvent(QPaintEvent *)
{
QPainter painter(this);
if (layout())
paintLayout(&painter, layout());
}
//! [0]
//! [1]
QLayoutItem *child;
while ((child = layout->takeAt(0)) != nullptr) {
...
delete child->widget(); // delete the widget
delete child; // delete the layout item
}
//! [1]
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