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
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QtGui/qgraphicslinearlayout.h>
#include <QtGui/qgraphicswidget.h>
#include <QtGui/qgraphicsview.h>
class tst_QGraphicsLinearLayout : public QObject
{
Q_OBJECT
public:
tst_QGraphicsLinearLayout() {}
~tst_QGraphicsLinearLayout() {}
private slots:
void heightForWidth_data();
void heightForWidth();
};
struct MySquareWidget : public QGraphicsWidget
{
MySquareWidget() {}
virtual QSizeF sizeHint ( Qt::SizeHint which, const QSizeF & constraint = QSizeF() ) const
{
if (which != Qt::PreferredSize)
return QGraphicsWidget::sizeHint(which, constraint);
if (constraint.width() < 0)
return QGraphicsWidget::sizeHint(which, constraint);
return QSizeF(constraint.width(), constraint.width());
}
};
void tst_QGraphicsLinearLayout::heightForWidth_data()
{
QTest::addColumn<bool>("hfw");
QTest::addColumn<bool>("nested");
QTest::newRow("hfw") << true << false;
QTest::newRow("hfw, nested") << true << true;
QTest::newRow("not hfw") << false << false;
QTest::newRow("not hfw, nested") << false << true;
}
void tst_QGraphicsLinearLayout::heightForWidth()
{
QFETCH(bool, hfw);
QFETCH(bool, nested);
QGraphicsScene scene;
QGraphicsWidget *form = new QGraphicsWidget;
scene.addItem(form);
QGraphicsLinearLayout *outerlayout = 0;
if (nested) {
outerlayout = new QGraphicsLinearLayout(form);
for (int i = 0; i < 8; i++) {
QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Vertical);
outerlayout->addItem(layout);
outerlayout = layout;
}
}
QGraphicsLinearLayout *qlayout = 0;
qlayout = new QGraphicsLinearLayout(Qt::Vertical);
if (nested)
outerlayout->addItem(qlayout);
else
form->setLayout(qlayout);
MySquareWidget *widget = new MySquareWidget;
for (int i = 0; i < 1; i++) {
widget = new MySquareWidget;
QSizePolicy sizepolicy = widget->sizePolicy();
sizepolicy.setHeightForWidth(hfw);
widget->setSizePolicy(sizepolicy);
qlayout->addItem(widget);
}
// make sure only one iteration is done.
// run with tst_QGraphicsLinearLayout.exe "heightForWidth" -tickcounter -iterations 6
// this will iterate 6 times the whole test, (not only the benchmark)
// which should reduce warmup time and give a realistic picture of the performance of
// effectiveSizeHint()
QSizeF constraint(hfw ? 100 : -1, -1);
QBENCHMARK {
(void)form->effectiveSizeHint(Qt::PreferredSize, constraint);
}
}
QTEST_MAIN(tst_QGraphicsLinearLayout)
#include "tst_qgraphicslinearlayout.moc"
|
