summaryrefslogtreecommitdiffstats
path: root/tests/auto/qboxlayout/tst_qboxlayout.cpp
blob: 888728800141e91a4e78d8516305013a34fa2587 (plain)
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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
/****************************************************************************
**
** 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 <QtGui>

//TESTED_CLASS=
//TESTED_FILES=

class tst_QBoxLayout : public QObject
{
    Q_OBJECT

public:
    tst_QBoxLayout();
    virtual ~tst_QBoxLayout();

public slots:
    void initTestCase();
    void cleanupTestCase();
    void init();
    void cleanup();

private slots:
    void insertSpacerItem();
    void sizeHint();
    void sizeConstraints();
    void setGeometry();
    void setStyleShouldChangeSpacing();
};

class CustomLayoutStyle : public QWindowsStyle
{
    Q_OBJECT
public:
    CustomLayoutStyle() : QWindowsStyle()
    {
        hspacing = 5;
        vspacing = 10;
    }

    virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0,
                            const QWidget * widget = 0 ) const;

    int hspacing;
    int vspacing;
};

int CustomLayoutStyle::pixelMetric(PixelMetric metric, const QStyleOption * option /*= 0*/,
                                   const QWidget * widget /*= 0*/ ) const
{
    switch (metric) {
        case PM_LayoutLeftMargin:
            return 0;
        break;
        case PM_LayoutTopMargin:
            return 3;
        break;
        case PM_LayoutRightMargin:
            return 6;
        break;
        case PM_LayoutBottomMargin:
            return 9;
        break;
        case PM_LayoutHorizontalSpacing:
            return hspacing;
        case PM_LayoutVerticalSpacing:
            return vspacing;
        break;
        default:
            break;
    }
    return QWindowsStyle::pixelMetric(metric, option, widget);
}


tst_QBoxLayout::tst_QBoxLayout()
{
}

tst_QBoxLayout::~tst_QBoxLayout()
{
}

void tst_QBoxLayout::initTestCase()
{
}

void tst_QBoxLayout::cleanupTestCase()
{
}

void tst_QBoxLayout::init()
{
}

void tst_QBoxLayout::cleanup()
{
}

void tst_QBoxLayout::insertSpacerItem()
{
    QWidget *window = new QWidget;

    QSpacerItem *spacer1 = new QSpacerItem(20, 10, QSizePolicy::Expanding, QSizePolicy::Expanding);
    QSpacerItem *spacer2 = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Expanding);

    QBoxLayout *layout = new QHBoxLayout;
    layout->addWidget(new QLineEdit("Foooooooooooooooooooooooooo"));
    layout->addSpacerItem(spacer1);
    layout->addWidget(new QLineEdit("Baaaaaaaaaaaaaaaaaaaaaaaaar"));
    layout->insertSpacerItem(0, spacer2);
    window->setLayout(layout);

    QVERIFY(layout->itemAt(0) == spacer2);
    QVERIFY(layout->itemAt(2) == spacer1);

    window->show();
}

void tst_QBoxLayout::sizeHint()
{
    QWidget *window = new QWidget;
    QHBoxLayout *lay1 = new QHBoxLayout;
    QHBoxLayout *lay2 = new QHBoxLayout;
    QLabel *label = new QLabel("widget twooooooooooooooooooooooooooooooooooooooooooooooooooooooo");
    lay2->addWidget(label);
    lay1->addLayout(lay2);
    window->setLayout(lay1);
    window->show();
    label->setText("foooooooo baaaaaaar");
    QSize sh = lay1->sizeHint();
    QApplication::processEvents();
    // Note that this is not strictly required behaviour - actually
    // the preferred behaviour would be that sizeHint returns
    // the same value regardless of what's lying in the event queue.
    // (i.e. we would check for equality here instead)
    QVERIFY(lay1->sizeHint() != sh);
}

void tst_QBoxLayout::sizeConstraints()
{
    QWidget *window = new QWidget;
    QHBoxLayout *lay = new QHBoxLayout;
    lay->addWidget(new QLabel("foooooooooooooooooooooooooooooooooooo"));
    lay->addWidget(new QLabel("baaaaaaaaaaaaaaaaaaaaaaaaaaaaaar"));
    lay->setSizeConstraint(QLayout::SetFixedSize);
    window->setLayout(lay);
    window->show();
    QApplication::processEvents();
    QSize sh = window->sizeHint();
    lay->takeAt(1);
    QVERIFY(sh.width() >= window->sizeHint().width() &&
            sh.height() >= window->sizeHint().height());

}

void tst_QBoxLayout::setGeometry()
{
    QWidget w;
    QVBoxLayout *lay = new QVBoxLayout;
    lay->setMargin(0);
    lay->setSpacing(0);
    QHBoxLayout *lay2 = new QHBoxLayout;
    QDial *dial = new QDial;
    lay2->addWidget(dial);
    lay2->setAlignment(Qt::AlignTop);
    lay2->setAlignment(Qt::AlignRight);
    lay->addLayout(lay2);
    w.setLayout(lay);
    w.show();

    QRect newGeom(0, 0, 70, 70);
    lay2->setGeometry(newGeom);
    QVERIFY2(newGeom.contains(dial->geometry()), "dial->geometry() should be smaller and within newGeom");
}

void tst_QBoxLayout::setStyleShouldChangeSpacing()
{

    QWidget *window = new QWidget;
    QHBoxLayout *hbox = new QHBoxLayout(window);
    QPushButton *pb1 = new QPushButton(tr("The spacing between this"));
    QPushButton *pb2 = new QPushButton(tr("and this button should depend on the style of the parent widget"));;
    pb1->setAttribute(Qt::WA_LayoutUsesWidgetRect);
    pb2->setAttribute(Qt::WA_LayoutUsesWidgetRect);
    hbox->addWidget(pb1);
    hbox->addWidget(pb2);
    CustomLayoutStyle *style1 = new CustomLayoutStyle;
    style1->hspacing = 6;
    window->setStyle(style1);
    window->show();

    QTest::qWait(100);
    int spacing = pb2->geometry().left() - pb1->geometry().right() - 1;
    QCOMPARE(spacing, 6);

    CustomLayoutStyle *style2 = new CustomLayoutStyle();
    style2->hspacing = 10;
    window->setStyle(style2);
    QTest::qWait(100);
    spacing = pb2->geometry().left() - pb1->geometry().right() - 1;
    QCOMPARE(spacing, 10);

    delete window;
    delete style1;
    delete style2;
}


QTEST_MAIN(tst_QBoxLayout)
#include "tst_qboxlayout.moc"