qt5base-lts/tests/auto/qsplitter/tst_qsplitter.cpp

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/****************************************************************************
**
** Copyright (C) 2011 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qapplication.h>
#include <qsplitter.h>
#include <qstyle.h>
#include <qfile.h>
#include <qtextstream.h>
#include <qlayout.h>
#include <qabstractscrollarea.h>
#include <qgraphicsview.h>
#include <qmdiarea.h>
#include <qscrollarea.h>
#include <qtextedit.h>
#include <qtreeview.h>
#include <qlabel.h>
#include <qdebug.h> // for file error messages
#include "../../shared/util.h"
//TESTED_CLASS=
//TESTED_FILES=
QT_FORWARD_DECLARE_CLASS(QSplitter)
QT_FORWARD_DECLARE_CLASS(QWidget)
class tst_QSplitter : public QObject
{
Q_OBJECT
public:
tst_QSplitter();
virtual ~tst_QSplitter();
public slots:
void initTestCase();
void cleanupTestCase();
void init();
private slots:
void getSetCheck();
void sizes(); // bare (as in empty)
void setSizes();
void setSizes_data();
void saveAndRestoreState();
void saveAndRestoreState_data();
void saveState_data();
void addWidget();
void insertWidget();
void setStretchFactor_data();
void setStretchFactor();
void testShowHide_data();
void testShowHide();
void testRemoval();
void rubberBandNotInSplitter();
void saveAndRestoreStateOfNotYetShownSplitter();
// task-specific tests below me:
void task187373_addAbstractScrollAreas();
void task187373_addAbstractScrollAreas_data();
void task169702_sizes();
void taskQTBUG_4101_ensureOneNonCollapsedWidget_data();
void taskQTBUG_4101_ensureOneNonCollapsedWidget();
private:
void removeThirdWidget();
void addThirdWidget();
QSplitter *splitter;
QWidget *w1;
QWidget *w2;
QWidget *w3;
};
// Testing get/set functions
void tst_QSplitter::getSetCheck()
{
QSplitter obj1;
// bool QSplitter::opaqueResize()
// void QSplitter::setOpaqueResize(bool)
obj1.setOpaqueResize(false);
QCOMPARE(false, obj1.opaqueResize());
obj1.setOpaqueResize(true);
QCOMPARE(true, obj1.opaqueResize());
}
tst_QSplitter::tst_QSplitter()
: w1(0), w2(0), w3(0)
{
}
tst_QSplitter::~tst_QSplitter()
{
}
void tst_QSplitter::sizes()
{
DEPENDS_ON("setSizes");
}
void tst_QSplitter::initTestCase()
{
splitter = new QSplitter(Qt::Horizontal);
w1 = new QWidget;
w2 = new QWidget;
splitter->addWidget(w1);
splitter->addWidget(w2);
}
void tst_QSplitter::init()
{
removeThirdWidget();
w1->show();
w2->show();
w1->setMinimumSize(0, 0);
w2->setMinimumSize(0, 0);
splitter->setSizes(QList<int>() << 200 << 200);
qApp->sendPostedEvents();
}
void tst_QSplitter::removeThirdWidget()
{
delete w3;
w3 = 0;
int handleWidth = splitter->style()->pixelMetric(QStyle::PM_SplitterWidth);
splitter->setFixedSize(400 + handleWidth, 400);
}
void tst_QSplitter::addThirdWidget()
{
if (!w3) {
w3 = new QWidget;
splitter->addWidget(w3);
int handleWidth = splitter->style()->pixelMetric(QStyle::PM_SplitterWidth);
splitter->setFixedSize(600 + 2 * handleWidth, 400);
}
}
void tst_QSplitter::cleanupTestCase()
{
}
typedef QList<int> IntList;
Q_DECLARE_METATYPE(IntList)
void tst_QSplitter::setSizes()
{
QFETCH(IntList, minimumSizes);
QFETCH(IntList, splitterSizes);
QFETCH(IntList, collapsibleStates);
QFETCH(bool, childrenCollapse);
QCOMPARE(minimumSizes.size(), splitterSizes.size());
if (minimumSizes.size() > 2)
addThirdWidget();
for (int i = 0; i < minimumSizes.size(); ++i) {
QWidget *w = splitter->widget(i);
w->setMinimumWidth(minimumSizes.at(i));
splitter->setCollapsible(splitter->indexOf(w), collapsibleStates.at(i));
}
splitter->setChildrenCollapsible(childrenCollapse);
splitter->setSizes(splitterSizes);
QTEST(splitter->sizes(), "expectedSizes");
}
void tst_QSplitter::setSizes_data()
{
QTest::addColumn<IntList>("minimumSizes");
QTest::addColumn<IntList>("splitterSizes");
QTest::addColumn<IntList>("expectedSizes");
QTest::addColumn<IntList>("collapsibleStates");
QTest::addColumn<bool>("childrenCollapse");
QFile file(SRCDIR "setSizes3.dat");
if (!file.open(QIODevice::ReadOnly)) {
qDebug() << "Can't open file, reason:" << file.errorString();
return;
}
QTextStream ts(&file);
ts.setIntegerBase(10);
QString dataName;
IntList minimumSizes;
IntList splitterSizes;
IntList expectedSizes;
IntList collapsibleStates;
int childrenCollapse;
while (!ts.atEnd()) {
int i1, i2, i3;
minimumSizes.clear();
splitterSizes.clear();
expectedSizes.clear();
collapsibleStates.clear();
ts >> dataName;
ts >> i1 >> i2 >> i3;
minimumSizes << i1 << i2 << i3;
ts >> i1 >> i2 >> i3;
splitterSizes << i1 << i2 << i3;
ts >> i1 >> i2 >> i3;
expectedSizes << i1 << i2 << i3;
ts >> i1 >> i2 >> i3;
collapsibleStates << i1 << i2 << i3;
ts >> childrenCollapse;
QTest::newRow(dataName.toLocal8Bit()) << minimumSizes << splitterSizes << expectedSizes << collapsibleStates << bool(childrenCollapse);
ts.skipWhiteSpace();
}
}
void tst_QSplitter::saveAndRestoreState_data()
{
saveState_data();
}
void tst_QSplitter::saveAndRestoreState()
{
QFETCH(IntList, initialSizes);
splitter->setSizes(initialSizes);
QApplication::instance()->sendPostedEvents();
QSplitter *splitter2 = new QSplitter(splitter->orientation() == Qt::Horizontal ?
Qt::Vertical : Qt::Horizontal);
for (int i = 0; i < splitter->count(); ++i) {
splitter2->addWidget(new QWidget());
}
splitter2->resize(splitter->size());
splitter2->setChildrenCollapsible(!splitter->childrenCollapsible());
splitter2->setOpaqueResize(!splitter->opaqueResize());
splitter2->setHandleWidth(splitter->handleWidth()+3);
QByteArray ba = splitter->saveState();
QVERIFY(splitter2->restoreState(ba));
QCOMPARE(splitter2->orientation(), splitter->orientation());
QCOMPARE(splitter2->handleWidth(), splitter->handleWidth());
QCOMPARE(splitter2->opaqueResize(), splitter->opaqueResize());
QCOMPARE(splitter2->childrenCollapsible(), splitter->childrenCollapsible());
QList<int> l1 = splitter->sizes();
QList<int> l2 = splitter2->sizes();
QCOMPARE(l1.size(), l2.size());
for (int i = 0; i < splitter->sizes().size(); ++i) {
QCOMPARE(l2.at(i), l1.at(i));
}
// destroy version and magic number
for (int i = 0; i < ba.size(); ++i)
ba[i] = ~ba.at(i);
QVERIFY(!splitter2->restoreState(ba));
delete splitter2;
}
void tst_QSplitter::saveAndRestoreStateOfNotYetShownSplitter()
{
QSplitter *spl = new QSplitter;
QLabel *l1 = new QLabel;
QLabel *l2 = new QLabel;
spl->addWidget(l1);
spl->addWidget(l2);
QByteArray ba = spl->saveState();
spl->restoreState(ba);
spl->show();
QTest::qWait(500);
QCOMPARE(l1->geometry().isValid(), true);
QCOMPARE(l2->geometry().isValid(), true);
delete spl;
}
void tst_QSplitter::saveState_data()
{
QTest::addColumn<IntList>("initialSizes");
QTest::addColumn<bool>("hideWidget1");
QTest::addColumn<bool>("hideWidget2");
QTest::addColumn<QByteArray>("finalBa");
QTest::newRow("ok0") << (IntList() << 200 << 200) << bool(false) << bool(false) << QByteArray("[200,200]");
QTest::newRow("ok1") << (IntList() << 300 << 100) << bool(false) << bool(false) << QByteArray("[300,100]");
QTest::newRow("ok2") << (IntList() << 100 << 300) << bool(false) << bool(false) << QByteArray("[100,300]");
QTest::newRow("ok3") << (IntList() << 200 << 200) << bool(false) << bool(true) << QByteArray("[200,H]");
QTest::newRow("ok4") << (IntList() << 200 << 200) << bool(true) << bool(false) << QByteArray("[H,200]");
QTest::newRow("ok5") << (IntList() << 200 << 200) << bool(false) << bool(false) << QByteArray("[200,200]");
QTest::newRow("ok6") << (IntList() << 200 << 200) << bool(false) << bool(false) << QByteArray("[200,200]");
QTest::newRow("ok7") << (IntList() << 200 << 200) << bool(false) << bool(false) << QByteArray("[200,200]");
QTest::newRow("ok8") << (IntList() << 200 << 200) << bool(true) << bool(true) << QByteArray("[H,H]");
}
void tst_QSplitter::addWidget()
{
QSplitter split;
// Simple case
QWidget *widget1 = new QWidget;
QWidget *widget2 = new QWidget;
split.addWidget(widget1);
split.addWidget(widget2);
QCOMPARE(split.count(), 2);
QCOMPARE(split.indexOf(widget1), 0);
QCOMPARE(split.indexOf(widget2), 1);
QCOMPARE(split.widget(0), widget1);
QCOMPARE(split.widget(1), widget2);
// Implicit Add
QWidget *widget3 = new QWidget(&split);
QCOMPARE(split.count(), 3);
QCOMPARE(split.indexOf(widget3), 2);
QCOMPARE(split.widget(2), widget3);
// Try and add it again
split.addWidget(widget3);
QCOMPARE(split.count(), 3);
QCOMPARE(split.indexOf(widget3), 2);
QCOMPARE(split.widget(2), widget3);
// Add a widget that is already in the splitter
split.addWidget(widget1);
QCOMPARE(split.count(), 3);
QCOMPARE(split.indexOf(widget1), 2);
QCOMPARE(split.widget(0), widget2);
QCOMPARE(split.widget(1), widget3);
QCOMPARE(split.widget(2), widget1);
// Change a widget's parent
widget2->setParent(0);
QCOMPARE(split.count(), 2);
QCOMPARE(split.indexOf(widget2), -1);
// Add the widget in again.
split.addWidget(widget2);
QCOMPARE(split.count(), 3);
QCOMPARE(split.indexOf(widget2), 2);
QCOMPARE(split.widget(0), widget3);
QCOMPARE(split.widget(1), widget1);
QCOMPARE(split.widget(2), widget2);
// Delete a widget
delete widget1;
QCOMPARE(split.count(), 2);
QCOMPARE(split.indexOf(widget1), -1); // Nasty
QCOMPARE(split.widget(0), widget3);
QCOMPARE(split.widget(1), widget2);
delete widget2;
}
void tst_QSplitter::insertWidget()
{
QSplitter split;
QWidget *widget1 = new QWidget;
QWidget *widget2 = new QWidget;
QWidget *widget3 = new QWidget;
split.insertWidget(0, widget1);
QCOMPARE(split.count(), 1);
QCOMPARE(split.indexOf(widget1), 0);
QCOMPARE(split.widget(0), widget1);
split.insertWidget(0, widget2);
QCOMPARE(split.count(), 2);
QCOMPARE(split.indexOf(widget1), 1);
QCOMPARE(split.indexOf(widget2), 0);
QCOMPARE(split.widget(0), widget2);
QCOMPARE(split.widget(1), widget1);
split.insertWidget(1, widget3);
QCOMPARE(split.count(), 3);
QCOMPARE(split.indexOf(widget1), 2);
QCOMPARE(split.indexOf(widget2), 0);
QCOMPARE(split.indexOf(widget3), 1);
QCOMPARE(split.widget(0), widget2);
QCOMPARE(split.widget(1), widget3);
QCOMPARE(split.widget(2), widget1);
delete widget3;
QCOMPARE(split.count(), 2);
QCOMPARE(split.indexOf(widget1), 1);
QCOMPARE(split.indexOf(widget2), 0);
QCOMPARE(split.widget(0), widget2);
QCOMPARE(split.widget(1), widget1);
widget3 = new QWidget;
split.insertWidget(split.count() + 1, widget3);
QCOMPARE(split.count(), 3);
QCOMPARE(split.indexOf(widget1), 1);
QCOMPARE(split.indexOf(widget2), 0);
QCOMPARE(split.indexOf(widget3), 2);
QCOMPARE(split.widget(0), widget2);
QCOMPARE(split.widget(1), widget1);
QCOMPARE(split.widget(2), widget3);
// Try it again,
split.insertWidget(split.count() + 1, widget3);
QCOMPARE(split.count(), 3);
QCOMPARE(split.indexOf(widget1), 1);
QCOMPARE(split.indexOf(widget2), 0);
QCOMPARE(split.indexOf(widget3), 2);
QCOMPARE(split.widget(0), widget2);
QCOMPARE(split.widget(1), widget1);
QCOMPARE(split.widget(2), widget3);
// Try to move widget2 to a bad place
split.insertWidget(-1, widget2);
QCOMPARE(split.count(), 3);
QCOMPARE(split.indexOf(widget1), 0);
QCOMPARE(split.indexOf(widget2), 2);
QCOMPARE(split.indexOf(widget3), 1);
QCOMPARE(split.widget(0), widget1);
QCOMPARE(split.widget(1), widget3);
QCOMPARE(split.widget(2), widget2);
QWidget *widget4 = new QWidget(&split);
QCOMPARE(split.count(), 4);
QCOMPARE(split.indexOf(widget1), 0);
QCOMPARE(split.indexOf(widget2), 2);
QCOMPARE(split.indexOf(widget3), 1);
QCOMPARE(split.indexOf(widget4), 3);
QCOMPARE(split.widget(0), widget1);
QCOMPARE(split.widget(1), widget3);
QCOMPARE(split.widget(2), widget2);
QCOMPARE(split.widget(3), widget4);
QWidget *widget5 = new QWidget(&split);
QCOMPARE(split.count(), 5);
QCOMPARE(split.indexOf(widget1), 0);
QCOMPARE(split.indexOf(widget2), 2);
QCOMPARE(split.indexOf(widget3), 1);
QCOMPARE(split.indexOf(widget4), 3);
QCOMPARE(split.indexOf(widget5), 4);
QCOMPARE(split.widget(0), widget1);
QCOMPARE(split.widget(1), widget3);
QCOMPARE(split.widget(2), widget2);
QCOMPARE(split.widget(3), widget4);
QCOMPARE(split.widget(4), widget5);
split.insertWidget(2, widget4);
QCOMPARE(split.count(), 5);
QCOMPARE(split.indexOf(widget1), 0);
QCOMPARE(split.indexOf(widget2), 3);
QCOMPARE(split.indexOf(widget3), 1);
QCOMPARE(split.indexOf(widget4), 2);
QCOMPARE(split.indexOf(widget5), 4);
QCOMPARE(split.widget(0), widget1);
QCOMPARE(split.widget(1), widget3);
QCOMPARE(split.widget(2), widget4);
QCOMPARE(split.widget(3), widget2);
QCOMPARE(split.widget(4), widget5);
split.insertWidget(1, widget5);
QCOMPARE(split.count(), 5);
QCOMPARE(split.indexOf(widget1), 0);
QCOMPARE(split.indexOf(widget2), 4);
QCOMPARE(split.indexOf(widget3), 2);
QCOMPARE(split.indexOf(widget4), 3);
QCOMPARE(split.indexOf(widget5), 1);
QCOMPARE(split.widget(0), widget1);
QCOMPARE(split.widget(1), widget5);
QCOMPARE(split.widget(2), widget3);
QCOMPARE(split.widget(3), widget4);
QCOMPARE(split.widget(4), widget2);
}
void tst_QSplitter::setStretchFactor_data()
{
QTest::addColumn<int>("orientation");
QTest::addColumn<int>("widgetIndex");
QTest::addColumn<int>("stretchFactor");
QTest::addColumn<int>("expectedHStretch");
QTest::addColumn<int>("expectedVStretch");
QTest::newRow("ok01") << int(Qt::Horizontal) << 1 << 2 << 2 << 2;
QTest::newRow("ok02") << int(Qt::Horizontal) << 2 << 0 << 0 << 0;
QTest::newRow("ok03") << int(Qt::Horizontal) << 3 << 1 << 1 << 1;
QTest::newRow("ok04") << int(Qt::Horizontal) << 0 << 7 << 7 << 7;
QTest::newRow("ok05") << int(Qt::Vertical) << 0 << 0 << 0 << 0;
QTest::newRow("ok06") << int(Qt::Vertical) << 1 << 1 << 1 << 1;
QTest::newRow("ok07") << int(Qt::Vertical) << 2 << 2 << 2 << 2;
QTest::newRow("ok08") << int(Qt::Vertical) << 3 << 5 << 5 << 5;
QTest::newRow("ok08") << int(Qt::Vertical) << -1 << 5 << 0 << 0;
}
void tst_QSplitter::setStretchFactor()
{
QFETCH(int, orientation);
Qt::Orientation orient = Qt::Orientation(orientation);
QSplitter split(orient);
QWidget *w = new QWidget;
split.addWidget(w);
w = new QWidget;
split.addWidget(w);
w = new QWidget;
split.addWidget(w);
w = new QWidget;
split.addWidget(w);
QFETCH(int, widgetIndex);
QFETCH(int, stretchFactor);
w = split.widget(widgetIndex);
QSizePolicy sp;
if (w) {
QCOMPARE(sp.horizontalStretch(), 0);
QCOMPARE(sp.verticalStretch(), 0);
}
split.setStretchFactor(widgetIndex, stretchFactor);
if (w)
sp = w->sizePolicy();
QTEST(sp.horizontalStretch(), "expectedHStretch");
QTEST(sp.verticalStretch(), "expectedVStretch");
}
void tst_QSplitter::testShowHide_data()
{
QTest::addColumn<bool>("hideWidget1");
QTest::addColumn<bool>("hideWidget2");
QTest::addColumn<QList<int> >("finalValues");
QTest::addColumn<bool>("handleVisible");
QSplitter *split = new QSplitter(Qt::Horizontal);
QTest::newRow("hideNone") << false << false << (QList<int>() << 200 << 200) << true;
QTest::newRow("hide2") << false << true << (QList<int>() << 400 + split->handleWidth() << 0) << false;
QTest::newRow("hide1") << true << false << (QList<int>() << 0 << 400 + split->handleWidth()) << false;
QTest::newRow("hideall") << true << true << (QList<int>() << 0 << 0) << false;
delete split;
}
void tst_QSplitter::testShowHide()
{
QFETCH(bool, hideWidget1);
QFETCH(bool, hideWidget2);
QSplitter *split = new QSplitter(Qt::Horizontal);
QWidget topLevel;
QWidget widget(&topLevel);
widget.resize(400 + split->handleWidth(), 200);
QVBoxLayout *lay=new QVBoxLayout(&widget);
lay->setMargin(0);
lay->setSpacing(0);
split->addWidget(new QWidget);
split->addWidget(new QWidget);
split->setSizes(QList<int>() << 200 << 200);
lay->addWidget(split);
widget.setLayout(lay);
topLevel.show();
QTest::qWait(100);
widget.hide();
split->widget(0)->setHidden(hideWidget1);
split->widget(1)->setHidden(hideWidget2);
widget.show();
QTest::qWait(100);
QTEST(split->sizes(), "finalValues");
QTEST(split->handle(1)->isVisible(), "handleVisible");
}
void tst_QSplitter::testRemoval()
{
// This test relies on the internal structure of QSplitter That is, that
// there is a handle before every splitter, but sometimes that handle is
// hidden. But definiately when something is removed the front handle
// should not be visible.
QSplitter split;
split.addWidget(new QWidget);
split.addWidget(new QWidget);
split.show();
QTest::qWait(100);
QCOMPARE(split.handle(0)->isVisible(), false);
QSplitterHandle *handle = split.handle(1);
QCOMPARE(handle->isVisible(), true);
delete split.widget(0);
QSplitterHandle *sameHandle = split.handle(0);
QCOMPARE(handle, sameHandle);
QCOMPARE(sameHandle->isVisible(), false);
}
class MyFriendlySplitter : public QSplitter
{
public:
MyFriendlySplitter(QWidget *parent = 0) : QSplitter(parent) {}
void setRubberBand(int pos) { QSplitter::setRubberBand(pos); }
friend class tst_QSplitter;
};
void tst_QSplitter::rubberBandNotInSplitter()
{
MyFriendlySplitter split;
split.addWidget(new QWidget);
split.addWidget(new QWidget);
split.setOpaqueResize(false);
QCOMPARE(split.count(), 2);
split.setRubberBand(2);
QCOMPARE(split.count(), 2);
}
void tst_QSplitter::task187373_addAbstractScrollAreas_data()
{
QTest::addColumn<QString>("className");
QTest::addColumn<bool>("addInConstructor");
QTest::addColumn<bool>("addOutsideConstructor");
QStringList classNames;
classNames << QLatin1String("QGraphicsView");
classNames << QLatin1String("QMdiArea");
classNames << QLatin1String("QScrollArea");
classNames << QLatin1String("QTextEdit");
classNames << QLatin1String("QTreeView");
foreach (QString className, classNames) {
QTest::newRow(qPrintable(QString("%1 1").arg(className))) << className << false << true;
QTest::newRow(qPrintable(QString("%1 2").arg(className))) << className << true << false;
QTest::newRow(qPrintable(QString("%1 3").arg(className))) << className << true << true;
}
}
static QAbstractScrollArea *task187373_createScrollArea(
QSplitter *splitter, const QString &className, bool addInConstructor)
{
if (className == QLatin1String("QGraphicsView"))
return new QGraphicsView(addInConstructor ? splitter : 0);
if (className == QLatin1String("QMdiArea"))
return new QMdiArea(addInConstructor ? splitter : 0);
if (className == QLatin1String("QScrollArea"))
return new QScrollArea(addInConstructor ? splitter : 0);
if (className == QLatin1String("QTextEdit"))
return new QTextEdit(addInConstructor ? splitter : 0);
if (className == QLatin1String("QTreeView"))
return new QTreeView(addInConstructor ? splitter : 0);
return 0;
}
void tst_QSplitter::task187373_addAbstractScrollAreas()
{
QFETCH(QString, className);
QFETCH(bool, addInConstructor);
QFETCH(bool, addOutsideConstructor);
QVERIFY(addInConstructor || addOutsideConstructor);
QSplitter *splitter = new QSplitter;
splitter->show();
QVERIFY(splitter->isVisible());
QAbstractScrollArea *w = task187373_createScrollArea(splitter, className, addInConstructor);
QVERIFY(w);
if (addOutsideConstructor)
splitter->addWidget(w);
QTRY_VERIFY(w->isVisible());
QVERIFY(!w->isHidden());
QVERIFY(w->viewport()->isVisible());
QVERIFY(!w->viewport()->isHidden());
}
//! A simple QTextEdit which can switch between two different size states
class MyTextEdit : public QTextEdit
{
public:
MyTextEdit(const QString & text, QWidget* parent = NULL)
: QTextEdit(text, parent) , m_iFactor(1)
{
setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
}
virtual QSize minimumSizeHint () const
{
return QSize(200, 200) * m_iFactor;
}
virtual QSize sizeHint() const
{
return QSize(390, 390) * m_iFactor;
}
int m_iFactor;
};
void tst_QSplitter::task169702_sizes()
{
QWidget topLevel;
// Create two nested (non-collapsible) splitters
QSplitter* outerSplitter = new QSplitter(Qt::Vertical, &topLevel);
outerSplitter->setChildrenCollapsible(false);
QSplitter* splitter = new QSplitter(Qt::Horizontal, outerSplitter);
splitter->setChildrenCollapsible(false);
// populate the outer splitter
outerSplitter->addWidget(new QTextEdit("Foo"));
outerSplitter->addWidget(splitter);
outerSplitter->setStretchFactor(0, 1);
outerSplitter->setStretchFactor(1, 0);
// populate the inner splitter
MyTextEdit* testW = new MyTextEdit("TextEdit with size restriction");
splitter->addWidget(testW);
splitter->addWidget(new QTextEdit("Bar"));
outerSplitter->setGeometry(100, 100, 500, 500);
topLevel.show();
QTest::qWait(100);
testW->m_iFactor++;
testW->updateGeometry();
QTest::qWait(500);//100 is too fast for Maemo
//Make sure the minimimSizeHint is respected
QCOMPARE(testW->size().height(), testW->minimumSizeHint().height());
}
void tst_QSplitter::taskQTBUG_4101_ensureOneNonCollapsedWidget_data()
{
QTest::addColumn<bool>("testingHide");
QTest::newRow("last non collapsed hidden") << true;
QTest::newRow("last non collapsed deleted") << false;
}
void tst_QSplitter::taskQTBUG_4101_ensureOneNonCollapsedWidget()
{
QFETCH(bool, testingHide);
MyFriendlySplitter s;
QLabel *l;
for (int i = 0; i < 5; ++i) {
l = new QLabel(QString("Label ") + QChar('A' + i));
l->setAlignment(Qt::AlignCenter);
s.addWidget(l);
s.moveSplitter(0, i); // Collapse all the labels except the last one.
}
s.show();
if (testingHide)
l->hide();
else
delete l;
QTest::qWait(100);
QVERIFY(s.sizes().at(0) > 0);
}
QTEST_MAIN(tst_QSplitter)
#include "tst_qsplitter.moc"