391 lines
13 KiB
C++
391 lines
13 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 <qcoreapplication.h>
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#include <qdebug.h>
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#include <qabstractscrollarea.h>
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#include <qscrollarea.h>
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#include <qscrollbar.h>
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#include <qlabel.h>
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#include <qwidget.h>
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#include <qdialog.h>
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//TESTED_CLASS=
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//TESTED_FILES=
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class tst_QAbstractScrollArea : public QObject
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{
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Q_OBJECT
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public:
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tst_QAbstractScrollArea();
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virtual ~tst_QAbstractScrollArea();
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private slots:
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void scrollBarWidgets();
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void setScrollBars();
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void setScrollBars2();
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void objectNaming();
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void patternBackground();
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void viewportCrash();
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void task214488_layoutDirection_data();
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void task214488_layoutDirection();
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};
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tst_QAbstractScrollArea::tst_QAbstractScrollArea()
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{
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}
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tst_QAbstractScrollArea::~tst_QAbstractScrollArea()
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{
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}
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void tst_QAbstractScrollArea::scrollBarWidgets()
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{
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QWidget *w1 = new QWidget(0);
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QWidget *w2 = new QWidget(0);
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QWidget *w3 = new QWidget(0);
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Qt::Alignment all = Qt::AlignLeft | Qt::AlignRight | Qt::AlignTop | Qt::AlignBottom;
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QWidgetList w1List = QWidgetList() << w1;
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QWidgetList w2List = QWidgetList() << w2;
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QWidgetList w3List = QWidgetList() << w3;
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QWidgetList w1w2List = w1List + w2List;
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QWidgetList allList = w1List + w2List + w3List;
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QAbstractScrollArea area;
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area.show();
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QCOMPARE(area.scrollBarWidgets(all), QWidgetList());
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area.addScrollBarWidget(w1, Qt::AlignLeft);
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QCOMPARE(area.scrollBarWidgets(all), w1List);
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QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
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QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), QWidgetList());
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area.addScrollBarWidget(w2, Qt::AlignBottom);
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QCOMPARE(area.scrollBarWidgets(all), w1w2List);
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QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
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QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), w2List);
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// duplicate add
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area.addScrollBarWidget(w2, Qt::AlignBottom);
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QCOMPARE(area.scrollBarWidgets(all), w1w2List);
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QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
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QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), w2List);
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//reparent
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w2->setParent(w1);
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QCOMPARE(area.scrollBarWidgets(all), w1List);
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QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
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QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), QWidgetList());
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// add after reparent
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area.addScrollBarWidget(w2, Qt::AlignBottom);
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QCOMPARE(area.scrollBarWidgets(all), w1w2List);
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QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
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QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), w2List);
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// two widgets at Bottom.
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area.addScrollBarWidget(w3, Qt::AlignBottom);
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QCOMPARE(area.scrollBarWidgets(all).toSet(), allList.toSet());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
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QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom).toSet(), (w2List + w3List).toSet());
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//delete
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delete w1;
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delete w2;
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delete w3;
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QCOMPARE(area.scrollBarWidgets(all), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
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QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), QWidgetList());
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}
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void tst_QAbstractScrollArea::setScrollBars()
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{
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QScrollArea scrollArea;
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scrollArea.resize(300, 300);
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scrollArea.show();
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QPointer<QScrollBar> vbar = scrollArea.verticalScrollBar();
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QPointer<QScrollBar> hbar = scrollArea.horizontalScrollBar();
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// Now set properties on the scroll bars
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scrollArea.verticalScrollBar()->setInvertedAppearance(true);
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scrollArea.verticalScrollBar()->setInvertedControls(true);
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scrollArea.verticalScrollBar()->setTracking(true);
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scrollArea.verticalScrollBar()->setRange(-100, 100);
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scrollArea.verticalScrollBar()->setPageStep(42);
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scrollArea.verticalScrollBar()->setSingleStep(3);
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scrollArea.verticalScrollBar()->setValue(43);
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scrollArea.horizontalScrollBar()->setInvertedAppearance(true);
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scrollArea.horizontalScrollBar()->setInvertedControls(true);
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scrollArea.horizontalScrollBar()->setTracking(true);
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scrollArea.horizontalScrollBar()->setRange(-100, 100);
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scrollArea.horizontalScrollBar()->setPageStep(42);
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scrollArea.horizontalScrollBar()->setSingleStep(3);
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scrollArea.horizontalScrollBar()->setValue(43);
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qApp->processEvents();
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// Then replace the scroll bars
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scrollArea.setVerticalScrollBar(new QScrollBar);
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scrollArea.setHorizontalScrollBar(new QScrollBar);
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// Check that the old ones were deleted
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QVERIFY(!vbar);
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QVERIFY(!hbar);
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qApp->processEvents();
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// Check that all properties have been populated
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QVERIFY(scrollArea.verticalScrollBar()->invertedAppearance());
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QVERIFY(scrollArea.verticalScrollBar()->invertedControls());
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QVERIFY(scrollArea.verticalScrollBar()->hasTracking());
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QVERIFY(scrollArea.verticalScrollBar()->isVisible());
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QCOMPARE(scrollArea.verticalScrollBar()->minimum(), -100);
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QCOMPARE(scrollArea.verticalScrollBar()->maximum(), 100);
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QCOMPARE(scrollArea.verticalScrollBar()->pageStep(), 42);
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QCOMPARE(scrollArea.verticalScrollBar()->singleStep(), 3);
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QCOMPARE(scrollArea.verticalScrollBar()->value(), 43);
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QVERIFY(scrollArea.horizontalScrollBar()->invertedAppearance());
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QVERIFY(scrollArea.horizontalScrollBar()->invertedControls());
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QVERIFY(scrollArea.horizontalScrollBar()->hasTracking());
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QVERIFY(scrollArea.horizontalScrollBar()->isVisible());
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QCOMPARE(scrollArea.horizontalScrollBar()->minimum(), -100);
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QCOMPARE(scrollArea.horizontalScrollBar()->maximum(), 100);
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QCOMPARE(scrollArea.horizontalScrollBar()->pageStep(), 42);
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QCOMPARE(scrollArea.horizontalScrollBar()->singleStep(), 3);
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QCOMPARE(scrollArea.horizontalScrollBar()->value(), 43);
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}
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void tst_QAbstractScrollArea::setScrollBars2()
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{
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QAbstractScrollArea scrollArea;
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scrollArea.resize(300, 300);
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QScrollBar *hbar = new QScrollBar;
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scrollArea.setHorizontalScrollBar(hbar);
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qApp->processEvents();
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QCOMPARE(scrollArea.horizontalScrollBar(), hbar);
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QScrollBar *vbar = new QScrollBar;
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scrollArea.setVerticalScrollBar(vbar);
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qApp->processEvents();
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QCOMPARE(scrollArea.verticalScrollBar(), vbar);
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scrollArea.horizontalScrollBar()->setRange(0, 100);
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scrollArea.verticalScrollBar()->setRange(0, 100);
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scrollArea.show();
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// Make sure scroll bars are not explicitly hidden by QAbstractScrollArea itself.
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QVERIFY(hbar->isVisible());
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QVERIFY(vbar->isVisible());
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// Hide the OLD scroll bar and ensure that the NEW one is hidden.
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hbar->hide();
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scrollArea.setHorizontalScrollBar(new QScrollBar);
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qApp->processEvents();
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QVERIFY(!scrollArea.horizontalScrollBar()->isVisible());
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vbar->hide();
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scrollArea.setVerticalScrollBar(new QScrollBar);
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qApp->processEvents();
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QVERIFY(!scrollArea.verticalScrollBar()->isVisible());
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scrollArea.verticalScrollBar()->show();
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scrollArea.horizontalScrollBar()->show();
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// Hide the NEW scroll bar and ensure that it's visible
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// (because the OLD one is visible).
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hbar = new QScrollBar;
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hbar->hide();
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scrollArea.setHorizontalScrollBar(hbar);
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qApp->processEvents();
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QVERIFY(hbar->isVisible());
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vbar = new QScrollBar;
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vbar->hide();
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scrollArea.setVerticalScrollBar(vbar);
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qApp->processEvents();
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QVERIFY(vbar->isVisible());
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vbar->setRange(0, 0);
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qApp->processEvents();
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QVERIFY(!vbar->isVisible());
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hbar->setRange(0, 0);
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qApp->processEvents();
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QVERIFY(!hbar->isVisible());
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}
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// we need to make sure the viewport internal widget is named
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// qt_scrollarea_viewport, otherwise we're going to confuse Squish
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// and friends.
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void tst_QAbstractScrollArea::objectNaming()
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{
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QScrollArea area;
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QCOMPARE(area.viewport()->objectName(), QString("qt_scrollarea_viewport"));
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}
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class ViewportCrashWidget : public QDialog
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{
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public:
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ViewportCrashWidget()
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{
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// temprorary set PaintOnScreen to set the nativeChildrenForced flag.
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setAttribute(Qt::WA_PaintOnScreen, true);
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setAttribute(Qt::WA_PaintOnScreen, false);
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setAttribute(Qt::WA_DropSiteRegistered, true);
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startTimer(2000);
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}
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void timerEvent(QTimerEvent *event)
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{
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// should not crash.
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(void)new QScrollArea(this);
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accept();
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}
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};
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void tst_QAbstractScrollArea::viewportCrash()
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{
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ViewportCrashWidget w;
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// should not crash
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w.exec();
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}
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Q_DECLARE_METATYPE(Qt::LayoutDirection);
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Q_DECLARE_METATYPE(Qt::Key);
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void tst_QAbstractScrollArea::task214488_layoutDirection_data()
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{
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QTest::addColumn<Qt::LayoutDirection>("dir");
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QTest::addColumn<Qt::Key>("key");
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QTest::addColumn<bool>("lessThan");
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QTest::newRow("LTR left") << Qt::LeftToRight << Qt::Key_Left << true;
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QTest::newRow("LTR right") << Qt::LeftToRight << Qt::Key_Right << false;
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QTest::newRow("RTL left") << Qt::RightToLeft << Qt::Key_Left << false;
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QTest::newRow("RTL right") << Qt::RightToLeft << Qt::Key_Right << true;
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}
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void tst_QAbstractScrollArea::task214488_layoutDirection()
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{
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QScrollArea scrollArea;
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scrollArea.resize(200, 200);
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QWidget widget;
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widget.resize(600, 600);
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scrollArea.setWidget(&widget);
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scrollArea.show();
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QScrollBar *hbar = scrollArea.horizontalScrollBar();
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hbar->setValue((hbar->minimum() + hbar->maximum()) / 2);
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QFETCH(Qt::LayoutDirection, dir);
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QFETCH(Qt::Key, key);
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QFETCH(bool, lessThan);
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scrollArea.setLayoutDirection(dir);
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int refValue = hbar->value();
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qApp->sendEvent(&scrollArea, new QKeyEvent(QEvent::KeyPress, key, Qt::NoModifier));
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QVERIFY(lessThan ? (hbar->value() < refValue) : (hbar->value() > refValue));
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}
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void tst_QAbstractScrollArea::patternBackground()
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{
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QWidget topLevel;
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QScrollArea scrollArea(&topLevel);
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scrollArea.resize(200, 200);
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QWidget widget;
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widget.resize(600, 600);
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scrollArea.setWidget(&widget);
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topLevel.show();
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||
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|
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QLinearGradient linearGrad(QPointF(250, 250), QPointF(300, 300));
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linearGrad.setColorAt(0, Qt::yellow);
|
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|
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linearGrad.setColorAt(1, Qt::red);
|
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|
|
QBrush bg(linearGrad);
|
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|
|
scrollArea.viewport()->setPalette(QPalette(Qt::black, bg, bg, bg, bg, bg, bg, bg, bg));
|
||
|
|
widget.setPalette(Qt::transparent);
|
||
|
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|
||
|
|
QTest::qWait(50);
|
||
|
|
|
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|
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QImage image(200, 200, QImage::Format_ARGB32);
|
||
|
|
scrollArea.render(&image);
|
||
|
|
|
||
|
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QCOMPARE(image.pixel(QPoint(20,20)) , QColor(Qt::yellow).rgb());
|
||
|
|
|
||
|
|
QScrollBar *hbar = scrollArea.horizontalScrollBar();
|
||
|
|
hbar->setValue(hbar->maximum());
|
||
|
|
QScrollBar *vbar = scrollArea.verticalScrollBar();
|
||
|
|
vbar->setValue(vbar->maximum());
|
||
|
|
|
||
|
|
QTest::qWait(50);
|
||
|
|
|
||
|
|
scrollArea.render(&image);
|
||
|
|
QCOMPARE(image.pixel(QPoint(20,20)) , QColor(Qt::red).rgb());
|
||
|
|
}
|
||
|
|
|
||
|
|
QTEST_MAIN(tst_QAbstractScrollArea)
|
||
|
|
#include "tst_qabstractscrollarea.moc"
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