346 lines
10 KiB
C++
346 lines
10 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 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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#include <QtTest/QtTest>
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#include <qcoreapplication.h>
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#include <qdebug.h>
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#include <qboxlayout.h>
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#include <qmenubar.h>
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#include <qdialog.h>
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#include <qsizegrip.h>
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#include <qlabel.h>
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#include <QtGui/QFrame>
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#include <QtGui/QWindowsStyle>
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#include <QtGui/QSizePolicy>
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#include <QPushButton>
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#include <QRadioButton>
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#include <private/qlayoutengine_p.h>
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#ifdef Q_OS_MAC
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# include <QtGui/QMacStyle>
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#endif
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//TESTED_CLASS=
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//TESTED_FILES=
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class tst_QLayout : public QObject
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{
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Q_OBJECT
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public:
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tst_QLayout();
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virtual ~tst_QLayout();
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private slots:
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void getSetCheck();
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void geometry();
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void smartMaxSize();
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void setLayoutBugs();
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void setContentsMargins();
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void layoutItemRect();
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void warnIfWrongParent();
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void controlTypes();
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void adjustSizeShouldMakeSureLayoutIsActivated();
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};
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tst_QLayout::tst_QLayout()
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{
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}
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tst_QLayout::~tst_QLayout()
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{
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}
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// Testing get/set functions
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void tst_QLayout::getSetCheck()
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{
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QBoxLayout obj1(QBoxLayout::LeftToRight);
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// QWidget * QLayout::menuBar()
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// void QLayout::setMenuBar(QWidget *)
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QMenuBar *var1 = new QMenuBar();
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obj1.setMenuBar(var1);
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QCOMPARE(static_cast<QWidget *>(var1), obj1.menuBar());
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obj1.setMenuBar((QWidget *)0);
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QCOMPARE((QWidget *)0, obj1.menuBar());
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delete var1;
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}
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class SizeHinterFrame : public QFrame
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{
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public:
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SizeHinterFrame(const QSize &sh, const QSize &msh = QSize())
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: QFrame(0), sh(sh), msh(msh) {
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setFrameStyle(QFrame::Box | QFrame::Plain);
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}
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void setSizeHint(const QSize &s) { sh = s; }
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QSize sizeHint() const { return sh; }
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QSize minimumSizeHint() const { return msh; }
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private:
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QSize sh;
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QSize msh;
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};
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void tst_QLayout::geometry()
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{
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// For QWindowsStyle we know that QWidgetItem::geometry() and QWidget::geometry()
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// should be the same.
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QApplication::setStyle(new QWindowsStyle);
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QWidget topLevel;
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QWidget w(&topLevel);
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QVBoxLayout layout(&w);
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SizeHinterFrame widget(QSize(100,100));
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layout.addWidget(&widget);
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QLayoutItem *item = layout.itemAt(0);
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topLevel.show();
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QApplication::processEvents();
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QCOMPARE(item->geometry().size(), QSize(100,100));
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widget.setMinimumSize(QSize(110,110));
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QCOMPARE(item->geometry().size(), QSize(110,110));
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widget.setMinimumSize(QSize(0,0));
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widget.setMaximumSize(QSize(90,90));
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widget.setSizeHint(QSize(100,100));
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QCOMPARE(item->geometry().size(), QSize(90,90));
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}
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void tst_QLayout::smartMaxSize()
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{
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QVector<int> expectedWidths;
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QFile f(QLatin1String(SRCDIR "/baseline/smartmaxsize"));
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QCOMPARE(f.open(QIODevice::ReadOnly | QIODevice::Text), true);
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QTextStream stream(&f);
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while(!stream.atEnd()) {
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QString line = stream.readLine(200);
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expectedWidths.append(line.section(QLatin1Char(' '), 6, -1, QString::SectionSkipEmpty).toInt());
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}
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f.close();
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int sizeCombinations[] = { 0, 10, 20, QWIDGETSIZE_MAX};
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QSizePolicy::Policy policies[] = { QSizePolicy::Fixed,
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QSizePolicy::Minimum,
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QSizePolicy::Maximum,
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QSizePolicy::Preferred,
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QSizePolicy::Expanding,
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QSizePolicy::MinimumExpanding,
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QSizePolicy::Ignored
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};
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Qt::Alignment alignments[] = { 0,
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Qt::AlignLeft,
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Qt::AlignRight,
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Qt::AlignHCenter
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};
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int expectedIndex = 0;
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int regressionCount = 0;
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for (size_t p = 0; p < sizeof(policies)/sizeof(QSizePolicy::Policy); ++p) {
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QSizePolicy sizePolicy;
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sizePolicy.setHorizontalPolicy(policies[p]);
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for (size_t min = 0; min < sizeof(sizeCombinations)/sizeof(int); ++min) {
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int minSize = sizeCombinations[min];
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for (size_t max = 0; max < sizeof(sizeCombinations)/sizeof(int); ++max) {
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int maxSize = sizeCombinations[max];
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for (size_t sh = 0; sh < sizeof(sizeCombinations)/sizeof(int); ++sh) {
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int sizeHint = sizeCombinations[sh];
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for (size_t a = 0; a < sizeof(alignments)/sizeof(int); ++a) {
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Qt::Alignment align = alignments[a];
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QSize sz = qSmartMaxSize(QSize(sizeHint, 1), QSize(minSize, 1), QSize(maxSize, 1), sizePolicy, align);
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int width = sz.width();
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#if 0
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qDebug() << expectedIndex << sizePolicy.horizontalPolicy() << align << minSize << sizeHint << maxSize << width;
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#else
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int expectedWidth = expectedWidths[expectedIndex];
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if (width != expectedWidth) {
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qDebug() << "error at index" << expectedIndex << ":" << sizePolicy.horizontalPolicy() << align << minSize << sizeHint << maxSize << width;
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++regressionCount;
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}
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#endif
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++expectedIndex;
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}
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}
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}
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}
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}
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QCOMPARE(regressionCount, 0);
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}
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void tst_QLayout::setLayoutBugs()
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{
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QWidget widget(0);
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QHBoxLayout *hBoxLayout = new QHBoxLayout(&widget);
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for(int i = 0; i < 6; ++i) {
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QPushButton *pushButton = new QPushButton("Press me!", &widget);
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hBoxLayout->addWidget(pushButton);
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}
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widget.setLayout(hBoxLayout);
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QVERIFY(widget.layout() == hBoxLayout);
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QWidget containerWidget(0);
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containerWidget.setLayout(widget.layout());
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QVERIFY(widget.layout() == 0);
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QVERIFY(containerWidget.layout() == hBoxLayout);
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}
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class MyLayout : public QLayout
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{
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public:
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MyLayout() : invalidated(false) {}
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virtual void invalidate() {invalidated = true;}
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bool invalidated;
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QSize sizeHint() const {return QSize();}
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void addItem(QLayoutItem*) {}
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QLayoutItem* itemAt(int) const {return 0;}
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QLayoutItem* takeAt(int) {return 0;}
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int count() const {return 0;}
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};
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void tst_QLayout::setContentsMargins()
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{
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MyLayout layout;
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layout.invalidated = false;
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int left, top, right, bottom;
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layout.setContentsMargins(52, 53, 54, 55);
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QVERIFY(layout.invalidated);
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layout.invalidated = false;
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layout.getContentsMargins(&left, &top, &right, &bottom);
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QCOMPARE(left, 52);
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QCOMPARE(top, 53);
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QCOMPARE(right, 54);
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QCOMPARE(bottom, 55);
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layout.setContentsMargins(52, 53, 54, 55);
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QVERIFY(!layout.invalidated);
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}
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class EventReceiver : public QObject
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{
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public:
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bool eventFilter(QObject *watched, QEvent *event)
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{
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if (event->type() == QEvent::Show) {
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geom = static_cast<QWidget*>(watched)->geometry();
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}
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return false;
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}
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QRect geom;
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};
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void tst_QLayout::layoutItemRect()
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{
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#ifdef Q_OS_MAC
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if (qobject_cast<QMacStyle*>(QApplication::style())) {
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QWidget *window = new QWidget;
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QRadioButton *radio = new QRadioButton(window);
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QWidgetItem item(radio);
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EventReceiver eventReceiver;
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radio->installEventFilter(&eventReceiver);
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radio->show();
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QApplication::processEvents();
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QApplication::processEvents();
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QSize s = item.sizeHint();
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item.setAlignment(Qt::AlignVCenter);
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item.setGeometry(QRect(QPoint(0, 0), s));
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QCOMPARE(radio->geometry().size(), radio->sizeHint());
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delete radio;
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}
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#endif
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}
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void tst_QLayout::warnIfWrongParent()
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{
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QWidget root;
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QHBoxLayout lay;
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lay.setParent(&root);
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QTest::ignoreMessage(QtWarningMsg, "QLayout::parentWidget: A layout can only have another layout as a parent.");
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QCOMPARE(lay.parentWidget(), static_cast<QWidget*>(0));
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}
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void tst_QLayout::controlTypes()
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{
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QVBoxLayout layout;
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QCOMPARE(layout.controlTypes(), QSizePolicy::DefaultType);
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QSizePolicy p;
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QCOMPARE(p.controlType(),QSizePolicy::DefaultType);
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}
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void tst_QLayout::adjustSizeShouldMakeSureLayoutIsActivated()
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{
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QWidget main;
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QVBoxLayout *const layout = new QVBoxLayout(&main);
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layout->setMargin(0);
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SizeHinterFrame *frame = new SizeHinterFrame(QSize(200, 10), QSize(200, 8));
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frame->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
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layout->addWidget(frame);
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SizeHinterFrame *frame2 = new SizeHinterFrame(QSize(200, 10), QSize(200, 8));
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frame2->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
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layout->addWidget(frame2);
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main.show();
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frame2->hide();
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main.adjustSize();
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QCOMPARE(main.size(), QSize(200, 10));
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}
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QTEST_MAIN(tst_QLayout)
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#include "tst_qlayout.moc"
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