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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.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QScrollBar>
#include <QStyleOptionSlider>
#include <QScrollArea>
class tst_QScrollBar : public QObject
{
Q_OBJECT
public slots:
void initTestCase();
void cleanupTestCase();
void hideAndShow(int action);
private slots:
void scrollSingleStep();
void task_209492();
private:
QScrollBar *testWidget;
};
void tst_QScrollBar::initTestCase()
{
testWidget = new QScrollBar(Qt::Horizontal);
testWidget->resize(100, testWidget->height());
testWidget->show();
}
void tst_QScrollBar::cleanupTestCase()
{
delete testWidget;
testWidget = 0;
}
void tst_QScrollBar::hideAndShow(int)
{
testWidget->hide();
testWidget->show();
}
// Check that the scrollbar doesn't scroll after calling hide and show
// from a slot connected to the scrollbar's actionTriggered signal.
void tst_QScrollBar::scrollSingleStep()
{
testWidget->setValue(testWidget->minimum());
QCOMPARE(testWidget->value(), testWidget->minimum());
connect(testWidget, SIGNAL(actionTriggered(int)), this, SLOT(hideAndShow(int)));
// Get rect for the area to click on
const QStyleOptionSlider opt = qt_qscrollbarStyleOption(testWidget);
QRect sr = testWidget->style()->subControlRect(QStyle::CC_ScrollBar, &opt,
QStyle::SC_ScrollBarAddLine, testWidget);
if (!sr.isValid())
QSKIP("SC_ScrollBarAddLine not valid", SkipAll);
QTest::mouseClick(testWidget, Qt::LeftButton, Qt::NoModifier, QPoint(sr.x(), sr.y()));
QTest::qWait(510); // initial delay is 500 for setRepeatAction
disconnect(testWidget, SIGNAL(actionTriggered(int)), 0, 0);
QCOMPARE(testWidget->value(), testWidget->singleStep());
}
void tst_QScrollBar::task_209492()
{
class MyScrollArea : public QScrollArea
{
public:
int scrollCount;
MyScrollArea(QWidget *parent = 0) : QScrollArea(parent), scrollCount(0) {}
protected:
void paintEvent(QPaintEvent *) { QTest::qSleep(600); }
void scrollContentsBy(int, int) { ++scrollCount; viewport()->update(); }
};
MyScrollArea scrollArea;
QScrollBar *verticalScrollBar = scrollArea.verticalScrollBar();
verticalScrollBar->setRange(0, 1000);
scrollArea.show();
QTest::qWait(300);
QSignalSpy spy(verticalScrollBar, SIGNAL(actionTriggered(int)));
QCOMPARE(scrollArea.scrollCount, 0);
QCOMPARE(spy.count(), 0);
// Simulate a mouse click on the "scroll down button".
const QPoint pressPoint(verticalScrollBar->width() / 2, verticalScrollBar->height() - 10);
const QPoint globalPressPoint = verticalScrollBar->mapToGlobal(globalPressPoint);
QMouseEvent mousePressEvent(QEvent::MouseButtonPress, pressPoint, globalPressPoint,
Qt::LeftButton, Qt::LeftButton, 0);
QApplication::sendEvent(verticalScrollBar, &mousePressEvent);
QTest::qWait(1);
QMouseEvent mouseReleaseEvent(QEvent::MouseButtonRelease, pressPoint, globalPressPoint,
Qt::LeftButton, Qt::LeftButton, 0);
QApplication::sendEvent(verticalScrollBar, &mouseReleaseEvent);
// Check that the action was triggered once.
#ifdef Q_WS_MAC
QEXPECT_FAIL("", "Fix does does not work on Mac due to paint architechure differences.", Abort);
#endif
QCOMPARE(scrollArea.scrollCount, 1);
QCOMPARE(spy.count(), 1);
}
QTEST_MAIN(tst_QScrollBar)
#include "tst_qscrollbar.moc"
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