/****************************************************************************+
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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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+
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#include <qcoreapplication.h>+
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#include <qdebug.h>+
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#include <qscrollarea.h>+
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#include <qlayout.h>+
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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_QScrollArea : 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_QScrollArea();+
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    virtual ~tst_QScrollArea();+
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+
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private slots:+
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    void getSetCheck();+
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    void ensureMicroFocusVisible_Task_167838();+
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    void checkHFW_Task_197736();+
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};+
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+
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tst_QScrollArea::tst_QScrollArea()+
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{+
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}+
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+
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tst_QScrollArea::~tst_QScrollArea()+
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{+
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}+
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+
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// Testing get/set functions+
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void tst_QScrollArea::getSetCheck()+
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{+
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    QScrollArea obj1;+
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    // QWidget * QScrollArea::widget()+
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    // void QScrollArea::setWidget(QWidget *)+
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    QWidget *var1 = new QWidget();+
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    obj1.setWidget(var1);+
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    QCOMPARE(var1, obj1.widget());+
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    obj1.setWidget((QWidget *)0);+
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    QCOMPARE(var1, obj1.widget()); // Cannot set a 0-widget. Old widget returned+
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    // delete var1; // No delete, since QScrollArea takes ownership+
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+
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    // bool QScrollArea::widgetResizable()+
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    // void QScrollArea::setWidgetResizable(bool)+
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    obj1.setWidgetResizable(false);+
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    QCOMPARE(false, obj1.widgetResizable());+
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    obj1.setWidgetResizable(true);+
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    QCOMPARE(true, obj1.widgetResizable());+
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}+
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+
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class WidgetWithMicroFocus : public QWidget+
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{+
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public:+
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    WidgetWithMicroFocus(QWidget *parent = 0) : QWidget(parent)+
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    {+
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        setBackgroundRole(QPalette::Dark);+
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    }+
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protected:+
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    QVariant inputMethodQuery(Qt::InputMethodQuery query) const+
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    {+
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        if (query == Qt::ImMicroFocus)+
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            return QRect(width() / 2, height() / 2, 5, 5);+
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        return QWidget::inputMethodQuery(query);+
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    }+
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//     void paintEvent(QPaintEvent *event)+
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//     {+
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//         QPainter painter(this);+
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//         painter.fillRect(rect(), QBrush(Qt::red));+
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//     }+
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};+
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+
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void tst_QScrollArea::ensureMicroFocusVisible_Task_167838()+
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{+
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    QScrollArea scrollArea;+
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    scrollArea.resize(100, 100);+
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    scrollArea.show();+
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    QWidget *parent = new QWidget;+
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    parent->setLayout(new QVBoxLayout);+
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    QWidget *child = new WidgetWithMicroFocus;+
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    parent->layout()->addWidget(child);+
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    parent->resize(300, 300); +
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    scrollArea.setWidget(parent);+
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    scrollArea.ensureWidgetVisible(child, 10, 10);+
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    QRect microFocus = child->inputMethodQuery(Qt::ImMicroFocus).toRect();+
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    QPoint p = child->mapTo(scrollArea.viewport(), microFocus.topLeft());+
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    microFocus.translate(p - microFocus.topLeft());+
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    QVERIFY(scrollArea.viewport()->rect().contains(microFocus));+
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}+
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+
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class HFWWidget : public QWidget+
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{+
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    public:+
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        HFWWidget();+
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        int heightForWidth(int w) const;+
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};+
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+
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HFWWidget::HFWWidget()+
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    : QWidget()+
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{+
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    setMinimumSize(QSize(100,50));+
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    QSizePolicy s = sizePolicy();+
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    s.setHeightForWidth(true);+
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    setSizePolicy(s);+
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}+
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+
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int HFWWidget::heightForWidth(int w) const+
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{+
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    // Mimic a label - the narrower we are, the taller we have to be+
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    if (w > 0)+
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        return 40000 / w;+
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    else+
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        return 40000;+
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}+
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+
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void tst_QScrollArea::checkHFW_Task_197736()+
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{+
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    QScrollArea scrollArea;+
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    HFWWidget *w = new HFWWidget;+
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    scrollArea.resize(200,100);+
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    scrollArea.show();+
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    scrollArea.setWidgetResizable(true);+
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    scrollArea.setWidget(w);+
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+
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    // at 200x100px, we expect HFW to be 200px tall, not 100px+
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    QVERIFY(w->height() >= 200);+
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+
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    // at 200x300px, we expect HFW to be 300px tall (the heightForWidth is a min, not prescribed)+
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    scrollArea.resize(QSize(200, 300));+
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    QVERIFY(w->height() >= 250); // 50px for a fudge factor (size of frame margins/scrollbars etc)+
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+
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    // make sure this only happens with widget resizable+
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    scrollArea.setWidgetResizable(false);+
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    scrollArea.resize(QSize(100,100));+
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    w->resize(QSize(200,200));+
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    QVERIFY(w->width() == 200);+
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    QVERIFY(w->height() == 200);+
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}+
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+
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QTEST_MAIN(tst_QScrollArea)+
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#include "tst_qscrollarea.moc"+
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