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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qcoreapplication.h>
#include <qdebug.h>
#include <qscrollarea.h>
#include <qlayout.h>
class tst_QScrollArea : public QObject
{
Q_OBJECT
public:
tst_QScrollArea();
virtual ~tst_QScrollArea();
private slots:
void getSetCheck();
void ensureMicroFocusVisible_Task_167838();
void checkHFW_Task_197736();
};
tst_QScrollArea::tst_QScrollArea()
{
}
tst_QScrollArea::~tst_QScrollArea()
{
}
// Testing get/set functions
void tst_QScrollArea::getSetCheck()
{
QScrollArea obj1;
// QWidget * QScrollArea::widget()
// void QScrollArea::setWidget(QWidget *)
QWidget *var1 = new QWidget();
obj1.setWidget(var1);
QCOMPARE(var1, obj1.widget());
obj1.setWidget((QWidget *)0);
QCOMPARE(var1, obj1.widget()); // Cannot set a 0-widget. Old widget returned
// delete var1; // No delete, since QScrollArea takes ownership
// bool QScrollArea::widgetResizable()
// void QScrollArea::setWidgetResizable(bool)
obj1.setWidgetResizable(false);
QCOMPARE(false, obj1.widgetResizable());
obj1.setWidgetResizable(true);
QCOMPARE(true, obj1.widgetResizable());
}
class WidgetWithMicroFocus : public QWidget
{
public:
WidgetWithMicroFocus(QWidget *parent = 0) : QWidget(parent)
{
setBackgroundRole(QPalette::Dark);
}
protected:
QVariant inputMethodQuery(Qt::InputMethodQuery query) const
{
if (query == Qt::ImMicroFocus)
return QRect(width() / 2, height() / 2, 5, 5);
return QWidget::inputMethodQuery(query);
}
// void paintEvent(QPaintEvent *event)
// {
// QPainter painter(this);
// painter.fillRect(rect(), QBrush(Qt::red));
// }
};
void tst_QScrollArea::ensureMicroFocusVisible_Task_167838()
{
QScrollArea scrollArea;
scrollArea.resize(100, 100);
scrollArea.show();
QWidget *parent = new QWidget;
parent->setLayout(new QVBoxLayout);
QWidget *child = new WidgetWithMicroFocus;
parent->layout()->addWidget(child);
parent->resize(300, 300);
scrollArea.setWidget(parent);
scrollArea.ensureWidgetVisible(child, 10, 10);
QRect microFocus = child->inputMethodQuery(Qt::ImMicroFocus).toRect();
QPoint p = child->mapTo(scrollArea.viewport(), microFocus.topLeft());
microFocus.translate(p - microFocus.topLeft());
QVERIFY(scrollArea.viewport()->rect().contains(microFocus));
}
class HFWWidget : public QWidget
{
public:
HFWWidget();
int heightForWidth(int w) const;
};
HFWWidget::HFWWidget()
: QWidget()
{
setMinimumSize(QSize(100,50));
QSizePolicy s = sizePolicy();
s.setHeightForWidth(true);
setSizePolicy(s);
}
int HFWWidget::heightForWidth(int w) const
{
// Mimic a label - the narrower we are, the taller we have to be
if (w > 0)
return 40000 / w;
else
return 40000;
}
void tst_QScrollArea::checkHFW_Task_197736()
{
QScrollArea scrollArea;
HFWWidget *w = new HFWWidget;
scrollArea.resize(200,100);
scrollArea.show();
scrollArea.setWidgetResizable(true);
scrollArea.setWidget(w);
// at 200x100px, we expect HFW to be 200px tall, not 100px
QVERIFY(w->height() >= 200);
// at 200x300px, we expect HFW to be 300px tall (the heightForWidth is a min, not prescribed)
scrollArea.resize(QSize(200, 300));
QVERIFY(w->height() >= 250); // 50px for a fudge factor (size of frame margins/scrollbars etc)
// make sure this only happens with widget resizable
scrollArea.setWidgetResizable(false);
scrollArea.resize(QSize(100,100));
w->resize(QSize(200,200));
QCOMPARE(w->width(), 200);
QCOMPARE(w->height(), 200);
}
QTEST_MAIN(tst_QScrollArea)
#include "tst_qscrollarea.moc"
|
