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/****************************************************************************
**
** Copyright (C) 2009 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>
//TESTED_CLASS=
//TESTED_FILES=
class tst_QBoxLayout : public QObject
{
Q_OBJECT
public:
tst_QBoxLayout();
virtual ~tst_QBoxLayout();
public slots:
void initTestCase();
void cleanupTestCase();
void init();
void cleanup();
private slots:
void insertSpacerItem();
void sizeHint();
void sizeConstraints();
void setGeometry();
void setStyleShouldChangeSpacing();
};
class CustomLayoutStyle : public QWindowsStyle
{
Q_OBJECT
public:
CustomLayoutStyle() : QWindowsStyle()
{
hspacing = 5;
vspacing = 10;
}
virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0,
const QWidget * widget = 0 ) const;
int hspacing;
int vspacing;
};
int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/,
const QWidget * widget /*= 0*/ ) const
{
switch (metric) {
case PM_LayoutLeftMargin:
return 0;
break;
case PM_LayoutTopMargin:
return 3;
break;
case PM_LayoutRightMargin:
return 6;
break;
case PM_LayoutBottomMargin:
return 9;
break;
case PM_LayoutHorizontalSpacing:
return hspacing;
case PM_LayoutVerticalSpacing:
return vspacing;
break;
default:
break;
}
return QWindowsStyle::pixelMetric(metric, option, widget);
}
tst_QBoxLayout::tst_QBoxLayout()
{
}
tst_QBoxLayout::~tst_QBoxLayout()
{
}
void tst_QBoxLayout::initTestCase()
{
}
void tst_QBoxLayout::cleanupTestCase()
{
}
void tst_QBoxLayout::init()
{
}
void tst_QBoxLayout::cleanup()
{
}
void tst_QBoxLayout::insertSpacerItem()
{
QWidget *window = new QWidget;
QSpacerItem *spacer1 = new QSpacerItem(20, 10, QSizePolicy::Expanding, QSizePolicy::Expanding);
QSpacerItem *spacer2 = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Expanding);
QBoxLayout *layout = new QHBoxLayout;
layout->addWidget(new QLineEdit("Foooooooooooooooooooooooooo"));
layout->addSpacerItem(spacer1);
layout->addWidget(new QLineEdit("Baaaaaaaaaaaaaaaaaaaaaaaaar"));
layout->insertSpacerItem(0, spacer2);
window->setLayout(layout);
QVERIFY(layout->itemAt(0) == spacer2);
QVERIFY(layout->itemAt(2) == spacer1);
window->show();
}
void tst_QBoxLayout::sizeHint()
{
QWidget *window = new QWidget;
QHBoxLayout *lay1 = new QHBoxLayout;
QHBoxLayout *lay2 = new QHBoxLayout;
QLabel *label = new QLabel("widget twooooooooooooooooooooooooooooooooooooooooooooooooooooooo");
lay2->addWidget(label);
lay1->addLayout(lay2);
window->setLayout(lay1);
window->show();
label->setText("foooooooo baaaaaaar");
QSize sh = lay1->sizeHint();
QApplication::processEvents();
// Note that this is not strictly required behaviour - actually
// the preferred behaviour would be that sizeHint returns
// the same value regardless of what's lying in the event queue.
// (i.e. we would check for equality here instead)
QVERIFY(lay1->sizeHint() != sh);
}
void tst_QBoxLayout::sizeConstraints()
{
QWidget *window = new QWidget;
QHBoxLayout *lay = new QHBoxLayout;
lay->addWidget(new QLabel("foooooooooooooooooooooooooooooooooooo"));
lay->addWidget(new QLabel("baaaaaaaaaaaaaaaaaaaaaaaaaaaaaar"));
lay->setSizeConstraint(QLayout::SetFixedSize);
window->setLayout(lay);
window->show();
QApplication::processEvents();
QSize sh = window->sizeHint();
lay->takeAt(1);
QVERIFY(sh.width() >= window->sizeHint().width() &&
sh.height() >= window->sizeHint().height());
}
void tst_QBoxLayout::setGeometry()
{
QWidget w;
QVBoxLayout *lay = new QVBoxLayout;
lay->setMargin(0);
lay->setSpacing(0);
QHBoxLayout *lay2 = new QHBoxLayout;
QDial *dial = new QDial;
lay2->addWidget(dial);
lay2->setAlignment(Qt::AlignTop);
lay2->setAlignment(Qt::AlignRight);
lay->addLayout(lay2);
w.setLayout(lay);
w.show();
QRect newGeom(0, 0, 70, 70);
lay2->setGeometry(newGeom);
QVERIFY2(newGeom.contains(dial->geometry()), "dial->geometry() should be smaller and within newGeom");
}
void tst_QBoxLayout::setStyleShouldChangeSpacing()
{
QWidget *window = new QWidget;
QHBoxLayout *hbox = new QHBoxLayout(window);
QPushButton *pb1 = new QPushButton(tr("The spacing between this"));
QPushButton *pb2 = new QPushButton(tr("and this button should depend on the style of the parent widget"));;
pb1->setAttribute(Qt::WA_LayoutUsesWidgetRect);
pb2->setAttribute(Qt::WA_LayoutUsesWidgetRect);
hbox->addWidget(pb1);
hbox->addWidget(pb2);
CustomLayoutStyle *style1 = new CustomLayoutStyle;
style1->hspacing = 6;
window->setStyle(style1);
window->show();
QTest::qWait(100);
int spacing = pb2->geometry().left() - pb1->geometry().right() - 1;
QCOMPARE(spacing, 6);
CustomLayoutStyle *style2 = new CustomLayoutStyle();
style2->hspacing = 10;
window->setStyle(style2);
QTest::qWait(100);
spacing = pb2->geometry().left() - pb1->geometry().right() - 1;
QCOMPARE(spacing, 10);
delete window;
delete style1;
delete style2;
}
QTEST_MAIN(tst_QBoxLayout)
#include "tst_qboxlayout.moc"
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