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
|
/****************************************************************************
**
** Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com
** 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 <QtWidgets/QtWidgets>
const int rowCount = 2000;
class TableDialog : public QDialog
{
Q_OBJECT
public:
TableDialog() : model(rowCount, 3) { create(); }
void create()
{
resize(1000, 233);
gridLayout = new QGridLayout(this);
tableView = new QTableView(this);
gridLayout->addWidget(tableView, 0, 0, 2, 1);
spinPrecision = new QSpinBox(this);
gridLayout->addWidget(spinPrecision, 0, 1, 1, 1);
verticalSpacer = new QSpacerItem(20, 20, QSizePolicy::Minimum, QSizePolicy::Expanding);
gridLayout->addItem(verticalSpacer, 1, 1, 1, 1);
QString ii = QString::fromLatin1("ii");
QStringList is;
spinPrecision->setMinimum(-1);
spinPrecision->setMaximum(rowCount + 2);
for (int u = 0; u < rowCount; ++u) {
if (u % 25 == 0)
ii += QString::fromLatin1("i");
else
ii[ii.length() - 1] = QChar::fromLatin1('a' + (u % 25));
ii[ii.length() - 2] = QChar::fromLatin1('i');
is.append(ii);
}
for (int u = 0; u < rowCount; ++u) {
QString col1;
col1 = QString::fromLatin1("Row: %1").arg(u);
model.setData(model.index(u, 0), col1);
model.setData(model.index(u, 1), is[u]);
model.setData(model.index(u, 2), is[rowCount - u -1]);
}
tableView->setModel(&model);
tableView->horizontalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
tableView->horizontalHeader()->setSectionResizeMode(1, QHeaderView::ResizeToContents);
tableView->horizontalHeader()->setSectionResizeMode(2, QHeaderView::ResizeToContents);
spinPrecision->setValue(tableView->horizontalHeader()->resizeContentsPrecision());
connect(spinPrecision, SIGNAL(valueChanged(int)), this, SLOT(slotValueChanged(int)));
} // setupUi
protected slots:
void slotValueChanged(int newval);
protected:
QGridLayout *gridLayout;
QTableView *tableView;
QSpinBox *spinPrecision;
QSpacerItem *verticalSpacer;
QStandardItemModel model;
};
void TableDialog::slotValueChanged(int newval)
{
tableView->horizontalHeader()->setResizeContentsPrecision(newval);
tableView->resizeColumnsToContents();
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
TableDialog d1;
d1.show();
app.exec();
}
#include "testtable1.moc"
|
