1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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(50);
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"
|
