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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QtGui/qgraphicslinearlayout.h>
#include <QtGui/qgraphicswidget.h>
#include <QtGui/qgraphicsview.h>
class tst_QGraphicsLinearLayout : public QObject
{
Q_OBJECT
public:
tst_QGraphicsLinearLayout() {}
~tst_QGraphicsLinearLayout() {}
private slots:
void heightForWidth_data();
void heightForWidth();
};
struct MySquareWidget : public QGraphicsWidget
{
MySquareWidget() {}
virtual QSizeF sizeHint ( Qt::SizeHint which, const QSizeF & constraint = QSizeF() ) const
{
if (which != Qt::PreferredSize)
return QGraphicsWidget::sizeHint(which, constraint);
if (constraint.width() < 0)
return QGraphicsWidget::sizeHint(which, constraint);
return QSizeF(constraint.width(), constraint.width());
}
};
void tst_QGraphicsLinearLayout::heightForWidth_data()
{
QTest::addColumn<bool>("hfw");
QTest::addColumn<bool>("nested");
QTest::newRow("hfw") << true << false;
QTest::newRow("hfw, nested") << true << true;
QTest::newRow("not hfw") << false << false;
QTest::newRow("not hfw, nested") << false << true;
}
void tst_QGraphicsLinearLayout::heightForWidth()
{
QFETCH(bool, hfw);
QFETCH(bool, nested);
QGraphicsScene scene;
QGraphicsWidget *form = new QGraphicsWidget;
scene.addItem(form);
QGraphicsLinearLayout *outerlayout = 0;
if (nested) {
outerlayout = new QGraphicsLinearLayout(form);
for(int i = 0; i < 8; i++) {
QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Vertical);
outerlayout->addItem(layout);
outerlayout = layout;
}
}
QGraphicsLinearLayout *qlayout = 0;
qlayout = new QGraphicsLinearLayout(Qt::Vertical);
if (nested)
outerlayout->addItem(qlayout);
else
form->setLayout(qlayout);
MySquareWidget *widget = new MySquareWidget;
for (int i = 0; i < 1; i++) {
widget = new MySquareWidget;
QSizePolicy sizepolicy = widget->sizePolicy();
sizepolicy.setHeightForWidth(hfw);
widget->setSizePolicy(sizepolicy);
qlayout->addItem(widget);
}
// make sure only one iteration is done.
// run with tst_QGraphicsLinearLayout.exe "heightForWidth" -tickcounter -iterations 6
// this will iterate 6 times the whole test, (not only the benchmark)
// which should reduce warmup time and give a realistic picture of the performance of
// effectiveSizeHint()
QSizeF constraint(hfw ? 100 : -1, -1);
QBENCHMARK {
(void)form->effectiveSizeHint(Qt::PreferredSize, constraint);
}
}
QTEST_MAIN(tst_QGraphicsLinearLayout)
#include "tst_qgraphicslinearlayout.moc"
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