/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the test suite of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include <QtTest/QtTest>+
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#include <QtGui>+
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+
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//TESTED_CLASS=+
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//TESTED_FILES=+
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+
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class tst_QBoxLayout : public QObject+
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{+
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    Q_OBJECT+
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+
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public:+
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    tst_QBoxLayout();+
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    virtual ~tst_QBoxLayout();+
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+
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public slots:+
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    void initTestCase();+
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    void cleanupTestCase();+
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    void init();+
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    void cleanup();+
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+
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private slots:+
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    void insertSpacerItem();+
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    void sizeHint();+
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    void sizeConstraints();+
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    void setGeometry();+
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    void setStyleShouldChangeSpacing();+
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+
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    void taskQTBUG_7103_minMaxWidthNotRespected();+
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};+
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+
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class CustomLayoutStyle : public QWindowsStyle+
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{+
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    Q_OBJECT+
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public:+
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    CustomLayoutStyle() : QWindowsStyle()+
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    {+
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        hspacing = 5;+
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        vspacing = 10;+
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    }+
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+
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    virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0,+
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                            const QWidget * widget = 0 ) const;+
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+
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    int hspacing;+
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    int vspacing;+
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};+
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+
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int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/,+
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                                   const QWidget * widget /*= 0*/ ) const+
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{+
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    switch (metric) {+
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        case PM_LayoutLeftMargin:+
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            return 0;+
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        break;+
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        case PM_LayoutTopMargin:+
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            return 3;+
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        break;+
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        case PM_LayoutRightMargin:+
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            return 6;+
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        break;+
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        case PM_LayoutBottomMargin:+
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            return 9;+
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        break;+
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        case PM_LayoutHorizontalSpacing:+
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            return hspacing;+
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        case PM_LayoutVerticalSpacing:+
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            return vspacing;+
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        break;+
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        default:+
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            break;+
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    }+
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    return QWindowsStyle::pixelMetric(metric, option, widget);+
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}+
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+
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+
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tst_QBoxLayout::tst_QBoxLayout()+
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{+
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}+
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+
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tst_QBoxLayout::~tst_QBoxLayout()+
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{+
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}+
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+
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void tst_QBoxLayout::initTestCase()+
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{+
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}+
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+
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void tst_QBoxLayout::cleanupTestCase()+
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{+
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}+
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+
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void tst_QBoxLayout::init()+
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{+
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}+
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+
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void tst_QBoxLayout::cleanup()+
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{+
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}+
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+
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void tst_QBoxLayout::insertSpacerItem()+
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{+
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    QWidget *window = new QWidget;+
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+
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    QSpacerItem *spacer1 = new QSpacerItem(20, 10, QSizePolicy::Expanding, QSizePolicy::Expanding);+
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    QSpacerItem *spacer2 = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Expanding);+
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+
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    QBoxLayout *layout = new QHBoxLayout;+
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    layout->addWidget(new QLineEdit("Foooooooooooooooooooooooooo"));+
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    layout->addSpacerItem(spacer1);+
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    layout->addWidget(new QLineEdit("Baaaaaaaaaaaaaaaaaaaaaaaaar"));+
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    layout->insertSpacerItem(0, spacer2);+
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    window->setLayout(layout);+
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+
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    QVERIFY(layout->itemAt(0) == spacer2);+
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    QVERIFY(layout->itemAt(2) == spacer1);+
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+
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    window->show();+
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}+
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+
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void tst_QBoxLayout::sizeHint()+
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{+
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    QWidget *window = new QWidget;+
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    QHBoxLayout *lay1 = new QHBoxLayout;+
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    QHBoxLayout *lay2 = new QHBoxLayout;+
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    QLabel *label = new QLabel("widget twooooooooooooooooooooooooooooooooooooooooooooooooooooooo");+
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    lay2->addWidget(label);+
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    lay1->addLayout(lay2);+
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    window->setLayout(lay1);+
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    window->show();+
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    label->setText("foooooooo baaaaaaar");+
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    QSize sh = lay1->sizeHint();+
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    QApplication::processEvents();+
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    // Note that this is not strictly required behaviour - actually+
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    // the preferred behaviour would be that sizeHint returns+
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    // the same value regardless of what's lying in the event queue.+
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    // (i.e. we would check for equality here instead)+
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    QVERIFY(lay1->sizeHint() != sh);+
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}+
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+
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void tst_QBoxLayout::sizeConstraints()+
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{+
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    QWidget *window = new QWidget;+
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    QHBoxLayout *lay = new QHBoxLayout;+
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    lay->addWidget(new QLabel("foooooooooooooooooooooooooooooooooooo"));+
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    lay->addWidget(new QLabel("baaaaaaaaaaaaaaaaaaaaaaaaaaaaaar"));+
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    lay->setSizeConstraint(QLayout::SetFixedSize);+
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    window->setLayout(lay);+
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    window->show();+
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    QApplication::processEvents();+
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    QSize sh = window->sizeHint();+
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    lay->takeAt(1);+
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    QVERIFY(sh.width() >= window->sizeHint().width() &&+
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            sh.height() >= window->sizeHint().height());+
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+
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}+
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+
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void tst_QBoxLayout::setGeometry()+
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{+
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    QWidget w;+
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    QVBoxLayout *lay = new QVBoxLayout;+
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    lay->setMargin(0);+
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    lay->setSpacing(0);+
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    QHBoxLayout *lay2 = new QHBoxLayout;+
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    QDial *dial = new QDial;+
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    lay2->addWidget(dial);+
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    lay2->setAlignment(Qt::AlignTop);+
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    lay2->setAlignment(Qt::AlignRight);+
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    lay->addLayout(lay2);+
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    w.setLayout(lay);+
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    w.show();+
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+
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    QRect newGeom(0, 0, 70, 70);+
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    lay2->setGeometry(newGeom);+
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    QVERIFY2(newGeom.contains(dial->geometry()), "dial->geometry() should be smaller and within newGeom");+
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}+
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+
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void tst_QBoxLayout::setStyleShouldChangeSpacing()+
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{+
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+
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    QWidget *window = new QWidget;+
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    QHBoxLayout *hbox = new QHBoxLayout(window);+
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    QPushButton *pb1 = new QPushButton(tr("The spacing between this"));+
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    QPushButton *pb2 = new QPushButton(tr("and this button should depend on the style of the parent widget"));;+
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    pb1->setAttribute(Qt::WA_LayoutUsesWidgetRect);+
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    pb2->setAttribute(Qt::WA_LayoutUsesWidgetRect);+
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    hbox->addWidget(pb1);+
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    hbox->addWidget(pb2);+
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    CustomLayoutStyle *style1 = new CustomLayoutStyle;+
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    style1->hspacing = 6;+
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    window->setStyle(style1);+
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    window->show();+
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+
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    QTest::qWait(100);+
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    int spacing = pb2->geometry().left() - pb1->geometry().right() - 1;+
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    QCOMPARE(spacing, 6);+
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+
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    CustomLayoutStyle *style2 = new CustomLayoutStyle();+
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    style2->hspacing = 10;+
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    window->setStyle(style2);+
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    QTest::qWait(100);+
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    spacing = pb2->geometry().left() - pb1->geometry().right() - 1;+
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    QCOMPARE(spacing, 10);+
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+
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    delete window;+
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    delete style1;+
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    delete style2;+
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}+
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+
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void tst_QBoxLayout::taskQTBUG_7103_minMaxWidthNotRespected()+
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{+
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    QLabel *label = new QLabel("Qt uses standard C++, but makes extensive use of the C pre-processor to enrich the language. Qt can also be used in several other programming languages via language bindings. It runs on all major platforms, and has extensive internationalization support. Non-GUI features include SQL database access, XML parsing, thread management, network support and a unified cross-platform API for file handling.");+
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    label->setWordWrap(true);+
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    label->setFixedWidth(200);+
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+
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    QVBoxLayout *layout = new QVBoxLayout;+
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    layout->addWidget(label);+
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    layout->addSpacerItem(new QSpacerItem(1, 1, QSizePolicy::Fixed, QSizePolicy::Expanding));+
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+
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    QWidget widget;+
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    widget.setLayout(layout);+
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    widget.show();+
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    QTest::qWaitForWindowShown(&widget);+
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+
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    int height = label->height();+
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+
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    QRect g = widget.geometry();+
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    g.setWidth(600);+
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    widget.setGeometry(g);+
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+
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    QTest::qWait(50);+
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+
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    QCOMPARE(label->height(), height);+
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}+
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+
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QTEST_MAIN(tst_QBoxLayout)+
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#include "tst_qboxlayout.moc"+
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