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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation 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/qgraphicsanchorlayout.h>
#include <QtGui/qgraphicswidget.h>
#include <QtGui/qgraphicsview.h>
class tst_QGraphicsAnchorLayout : public QObject
{
Q_OBJECT
public:
tst_QGraphicsAnchorLayout() {}
~tst_QGraphicsAnchorLayout() {}
private slots:
void s60_hard_complex_data();
void s60_hard_complex();
};
class RectWidget : public QGraphicsWidget
{
public:
RectWidget(QGraphicsItem *parent = 0) : QGraphicsWidget(parent){}
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
painter->drawRoundRect(rect());
painter->drawLine(rect().topLeft(), rect().bottomRight());
painter->drawLine(rect().bottomLeft(), rect().topRight());
}
};
static QGraphicsWidget *createItem(const QSizeF &minimum = QSizeF(100.0, 100.0),
const QSizeF &preferred = QSize(150.0, 100.0),
const QSizeF &maximum = QSizeF(200.0, 100.0),
const QString &name = QString())
{
QGraphicsWidget *w = new RectWidget;
w->setMinimumSize(minimum);
w->setPreferredSize(preferred);
w->setMaximumSize(maximum);
w->setData(0, name);
return w;
}
static void setAnchor(QGraphicsAnchorLayout *l,
QGraphicsLayoutItem *firstItem,
Qt::AnchorPoint firstEdge,
QGraphicsLayoutItem *secondItem,
Qt::AnchorPoint secondEdge,
qreal spacing)
{
l->addAnchor(firstItem, firstEdge, secondItem, secondEdge);
l->setAnchorSpacing(firstItem, firstEdge, secondItem, secondEdge, spacing);
}
void tst_QGraphicsAnchorLayout::s60_hard_complex_data()
{
QTest::addColumn<int>("whichSizeHint");
QTest::newRow("minimumSizeHint")
<< int(Qt::MinimumSize);
QTest::newRow("preferredSizeHint")
<< int(Qt::PreferredSize);
QTest::newRow("maximumSizeHint")
<< int(Qt::MaximumSize);
// Add it as a reference to see how much overhead the body of effectiveSizeHint takes.
QTest::newRow("noSizeHint")
<< -1;
}
void tst_QGraphicsAnchorLayout::s60_hard_complex()
{
QFETCH(int, whichSizeHint);
// Test for "hard" complex case, taken from wiki
// https://cwiki.nokia.com/S60QTUI/AnchorLayoutComplexCases
QSizeF min(0, 10);
QSizeF pref(50, 10);
QSizeF max(100, 10);
QGraphicsWidget *a = createItem(min, pref, max, "a");
QGraphicsWidget *b = createItem(min, pref, max, "b");
QGraphicsWidget *c = createItem(min, pref, max, "c");
QGraphicsWidget *d = createItem(min, pref, max, "d");
QGraphicsWidget *e = createItem(min, pref, max, "e");
QGraphicsWidget *f = createItem(min, pref, max, "f");
QGraphicsWidget *g = createItem(min, pref, max, "g");
QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
l->setContentsMargins(0, 0, 0, 0);
//<!-- Trunk -->
setAnchor(l, l, Qt::AnchorLeft, a, Qt::AnchorLeft, 10);
setAnchor(l, a, Qt::AnchorRight, b, Qt::AnchorLeft, 10);
setAnchor(l, b, Qt::AnchorRight, c, Qt::AnchorLeft, 10);
setAnchor(l, c, Qt::AnchorRight, d, Qt::AnchorLeft, 10);
setAnchor(l, d, Qt::AnchorRight, l, Qt::AnchorRight, 10);
//<!-- Above trunk -->
setAnchor(l, b, Qt::AnchorLeft, e, Qt::AnchorLeft, 10);
setAnchor(l, e, Qt::AnchorRight, d, Qt::AnchorLeft, 10);
//<!-- Below trunk -->
setAnchor(l, a, Qt::AnchorHorizontalCenter, g, Qt::AnchorLeft, 10);
setAnchor(l, g, Qt::AnchorRight, f, Qt::AnchorHorizontalCenter, 10);
setAnchor(l, c, Qt::AnchorLeft, f, Qt::AnchorLeft, 10);
setAnchor(l, f, Qt::AnchorRight, d, Qt::AnchorRight, 10);
//<!-- vertical is simpler -->
setAnchor(l, l, Qt::AnchorTop, e, Qt::AnchorTop, 0);
setAnchor(l, e, Qt::AnchorBottom, a, Qt::AnchorTop, 0);
setAnchor(l, e, Qt::AnchorBottom, b, Qt::AnchorTop, 0);
setAnchor(l, e, Qt::AnchorBottom, c, Qt::AnchorTop, 0);
setAnchor(l, e, Qt::AnchorBottom, d, Qt::AnchorTop, 0);
setAnchor(l, a, Qt::AnchorBottom, f, Qt::AnchorTop, 0);
setAnchor(l, a, Qt::AnchorBottom, b, Qt::AnchorBottom, 0);
setAnchor(l, a, Qt::AnchorBottom, c, Qt::AnchorBottom, 0);
setAnchor(l, a, Qt::AnchorBottom, d, Qt::AnchorBottom, 0);
setAnchor(l, f, Qt::AnchorBottom, g, Qt::AnchorTop, 0);
setAnchor(l, g, Qt::AnchorBottom, l, Qt::AnchorBottom, 0);
// It won't query the size hint if it already has a size set.
// If only one of the sizes is unset it will query sizeHint only of for that hint type.
l->setMinimumSize(60,40);
l->setPreferredSize(220,40);
l->setMaximumSize(240,40);
switch (whichSizeHint) {
case Qt::MinimumSize:
l->setMinimumSize(-1, -1);
break;
case Qt::PreferredSize:
l->setPreferredSize(-1, -1);
break;
case Qt::MaximumSize:
l->setMaximumSize(-1, -1);
break;
default:
break;
}
QSizeF sizeHint;
// warm up instruction cache
l->invalidate();
sizeHint = l->effectiveSizeHint((Qt::SizeHint)whichSizeHint);
// ...then measure...
QBENCHMARK {
l->invalidate();
sizeHint = l->effectiveSizeHint((Qt::SizeHint)whichSizeHint);
}
}
QTEST_MAIN(tst_QGraphicsAnchorLayout)
#include "tst_qgraphicsanchorlayout.moc"
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