375 lines
10 KiB
C++
375 lines
10 KiB
C++
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/****************************************************************************
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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 <QLineEdit>
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#include <QStackedLayout>
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#include <qapplication.h>
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#include <qwidget.h>
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#include <QPushButton>
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#include "../../shared/util.h"
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//TESTED_CLASS=
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//TESTED_FILES=gui/kernel/qlayout.cpp gui/kernel/qlayout.h
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class tst_QStackedLayout : public QObject
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{
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Q_OBJECT
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public:
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tst_QStackedLayout();
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virtual ~tst_QStackedLayout();
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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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private slots:
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void getSetCheck();
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void testCase();
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void deleteCurrent();
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void removeWidget();
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void keepFocusAfterSetCurrent();
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private:
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QWidget *testWidget;
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};
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// Testing get/set functions
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void tst_QStackedLayout::getSetCheck()
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{
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QStackedLayout obj1;
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// int QStackedLayout::currentIndex()
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// void QStackedLayout::setCurrentIndex(int)
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obj1.setCurrentIndex(0);
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QCOMPARE(-1, obj1.currentIndex());
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obj1.setCurrentIndex(INT_MIN);
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QCOMPARE(-1, obj1.currentIndex());
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obj1.setCurrentIndex(INT_MAX);
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QCOMPARE(-1, obj1.currentIndex());
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// QWidget * QStackedLayout::currentWidget()
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// void QStackedLayout::setCurrentWidget(QWidget *)
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QWidget *var2 = new QWidget();
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obj1.addWidget(var2);
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obj1.setCurrentWidget(var2);
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QCOMPARE(var2, obj1.currentWidget());
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obj1.setCurrentWidget((QWidget *)0);
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QCOMPARE(obj1.currentWidget(), var2);
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delete var2;
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}
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tst_QStackedLayout::tst_QStackedLayout()
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: testWidget(0)
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{
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}
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tst_QStackedLayout::~tst_QStackedLayout()
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{
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}
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void tst_QStackedLayout::initTestCase()
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{
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}
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void tst_QStackedLayout::cleanupTestCase()
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{
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}
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void tst_QStackedLayout::init()
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{
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if (testWidget) {
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delete testWidget;
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testWidget = 0;
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}
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testWidget = new QWidget(0);
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testWidget->resize( 200, 200 );
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testWidget->show();
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// make sure the tests work with focus follows mouse
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QCursor::setPos(testWidget->geometry().center());
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testWidget->activateWindow();
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QApplication::syncX();
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QTest::qWait(250);
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}
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void tst_QStackedLayout::cleanup()
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{
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delete testWidget;
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testWidget = 0;
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}
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void tst_QStackedLayout::testCase()
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{
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QStackedLayout onStack(testWidget);
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QStackedLayout *testLayout = &onStack;
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testWidget->setLayout(testLayout);
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QSignalSpy spy(testLayout,SIGNAL(currentChanged(int)));
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// Nothing in layout
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QCOMPARE(testLayout->currentIndex(), -1);
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QCOMPARE(testLayout->currentWidget(), static_cast<QWidget*>(0));
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QCOMPARE(testLayout->count(), 0);
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// One widget added to layout
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QWidget *w1 = new QWidget(testWidget);
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testLayout->addWidget(w1);
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QCOMPARE(spy.count(), 1);
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QCOMPARE(spy.at(0).at(0).toInt(), 0);
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spy.clear();
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QCOMPARE(testLayout->currentIndex(), 0);
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QCOMPARE(testLayout->currentWidget(), w1);
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QCOMPARE(testLayout->count(), 1);
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// Another widget added to layout
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QWidget *w2 = new QWidget(testWidget);
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testLayout->addWidget(w2);
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QCOMPARE(testLayout->currentIndex(), 0);
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QCOMPARE(testLayout->currentWidget(), w1);
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QCOMPARE(testLayout->indexOf(w2), 1);
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QCOMPARE(testLayout->count(), 2);
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// Change the current index
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testLayout->setCurrentIndex(1);
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QCOMPARE(spy.count(), 1);
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QCOMPARE(spy.at(0).at(0).toInt(), 1);
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spy.clear();
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QCOMPARE(testLayout->currentIndex(), 1);
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QCOMPARE(testLayout->currentWidget(), w2);
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// First widget removed from layout
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testLayout->removeWidget(w1);
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QCOMPARE(testLayout->currentIndex(), 0);
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QCOMPARE(testLayout->currentWidget(), w2);
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QCOMPARE(testLayout->count(), 1);
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// Second widget removed from layout; back to nothing
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testLayout->removeWidget(w2);
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QCOMPARE(spy.count(), 1);
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QCOMPARE(spy.at(0).at(0).toInt(), -1);
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spy.clear();
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QCOMPARE(testLayout->currentIndex(), -1);
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QCOMPARE(testLayout->currentWidget(), static_cast<QWidget*>(0));
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QCOMPARE(testLayout->count(), 0);
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// Another widget inserted at current index.
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// Current index should become current index + 1, but the
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// current widget should stay the same
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testLayout->addWidget(w1);
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QCOMPARE(testLayout->currentIndex(), 0);
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QCOMPARE(testLayout->currentWidget(), w1);
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testLayout->insertWidget(0, w2);
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QCOMPARE(testLayout->currentIndex(), 1);
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QCOMPARE(testLayout->currentWidget(), w1);
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QVERIFY(w1->isVisible());
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QVERIFY(!w2->isVisible());
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testLayout->setCurrentWidget(w2);
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// Another widget added, so we have: w2, w1, w3 with w2 current
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QWidget *w3 = new QWidget(testWidget);
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testLayout->addWidget(w3);
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QCOMPARE(testLayout->indexOf(w2), 0);
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QCOMPARE(testLayout->indexOf(w1), 1);
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QCOMPARE(testLayout->indexOf(w3), 2);
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// Set index to 1 and remove that widget (w1).
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// Then, current index should still be 1, but w3
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// should be the new current widget.
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testLayout->setCurrentIndex(1);
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testLayout->removeWidget(w1);
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QCOMPARE(testLayout->currentIndex(), 1);
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QCOMPARE(testLayout->currentWidget(), w3);
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QVERIFY(w3->isVisible());
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// Remove the current widget (w3).
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// Since it's the last one in the list, current index should now
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// become 0 and w2 becomes the current widget.
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testLayout->removeWidget(w3);
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QCOMPARE(testLayout->currentIndex(), 0);
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QCOMPARE(testLayout->currentWidget(), w2);
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QVERIFY(w2->isVisible());
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// Make sure index is decremented when we remove a widget at index < current index
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testLayout->addWidget(w1);
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testLayout->addWidget(w3);
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testLayout->setCurrentIndex(2);
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testLayout->removeWidget(w2); // At index 0
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QCOMPARE(testLayout->currentIndex(), 1);
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QCOMPARE(testLayout->currentWidget(), w3);
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QVERIFY(w3->isVisible());
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testLayout->removeWidget(w1); // At index 0
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QCOMPARE(testLayout->currentIndex(), 0);
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QCOMPARE(testLayout->currentWidget(), w3);
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QVERIFY(w3->isVisible());
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testLayout->removeWidget(w3);
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QCOMPARE(testLayout->currentIndex(), -1);
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QCOMPARE(testLayout->currentWidget(), static_cast<QWidget*>(0));
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}
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void tst_QStackedLayout::deleteCurrent()
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{
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QStackedLayout *testLayout = new QStackedLayout(testWidget);
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QWidget *w1 = new QWidget;
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testLayout->addWidget(w1);
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QWidget *w2 = new QWidget;
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testLayout->addWidget(w2);
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QCOMPARE(testLayout->currentWidget(), w1);
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delete testLayout->currentWidget();
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QCOMPARE(testLayout->currentWidget(), w2);
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}
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void tst_QStackedLayout::removeWidget()
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{
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if (testWidget->layout()) delete testWidget->layout();
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QVBoxLayout *vbox = new QVBoxLayout(testWidget);
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QPushButton *top = new QPushButton("top", testWidget); //add another widget that can receive focus
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top->setObjectName("top");
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vbox->addWidget(top);
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QStackedLayout *testLayout = new QStackedLayout();
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QPushButton *w1 = new QPushButton("1st", testWidget);
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w1->setObjectName("1st");
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testLayout->addWidget(w1);
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QPushButton *w2 = new QPushButton("2nd", testWidget);
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w2->setObjectName("2nd");
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testLayout->addWidget(w2);
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vbox->addLayout(testLayout);
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top->setFocus();
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QTest::qWait(100);
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top->activateWindow();
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QTest::qWait(100);
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int i =0;
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for (;;) {
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if (QApplication::focusWidget() == top)
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break;
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else if (i >= 5)
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QSKIP("Can't get focus", SkipSingle);
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QTest::qWait(100);
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++i;
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}
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QCOMPARE(QApplication::focusWidget(), static_cast<QWidget *>(top));
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// focus should stay at the 'top' widget
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testLayout->removeWidget(w1);
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QCOMPARE(QApplication::focusWidget(), static_cast<QWidget *>(top));
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}
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class LineEdit : public QLineEdit
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{
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public:
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LineEdit() : hasFakeEditFocus(false)
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{ }
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bool hasFakeEditFocus;
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protected:
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bool isSingleFocusWidget() const
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{
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const QWidget *w = this;
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while ((w = w->nextInFocusChain()) != this) {
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if (w->isVisible() && static_cast<const QWidget*>(w->focusProxy()) != this
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&& w->focusPolicy() & Qt::TabFocus) {
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return false;
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}
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}
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return true;
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}
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void focusInEvent(QFocusEvent *event)
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{
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QLineEdit::focusInEvent(event);
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hasFakeEditFocus = isSingleFocusWidget();
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}
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void focusOutEvent(QFocusEvent *event)
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{
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hasFakeEditFocus = false;
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QLineEdit::focusOutEvent(event);
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}
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};
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void tst_QStackedLayout::keepFocusAfterSetCurrent()
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{
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if (testWidget->layout()) delete testWidget->layout();
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QStackedLayout *stackLayout = new QStackedLayout(testWidget);
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testWidget->setFocusPolicy(Qt::NoFocus);
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LineEdit *edit1 = new LineEdit;
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LineEdit *edit2 = new LineEdit;
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stackLayout->addWidget(edit1);
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stackLayout->addWidget(edit2);
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stackLayout->setCurrentIndex(0);
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testWidget->show();
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QApplication::setActiveWindow(testWidget);
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QTest::qWaitForWindowShown(testWidget);
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QApplication::processEvents();
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edit1->setFocus();
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edit1->activateWindow();
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QTest::qWait(25);
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QTRY_VERIFY(edit1->hasFocus());
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stackLayout->setCurrentIndex(1);
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QVERIFY(!edit1->hasFocus());
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QVERIFY(edit2->hasFocus());
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QVERIFY(edit2->hasFakeEditFocus);
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}
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QTEST_MAIN(tst_QStackedLayout)
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#include "tst_qstackedlayout.moc"
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