133 lines
4.9 KiB
C++
133 lines
4.9 KiB
C++
/****************************************************************************
|
|
**
|
|
** 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>
|
|
|
|
class TreeDialog : public QDialog
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
TreeDialog() { create(); }
|
|
protected:
|
|
void create()
|
|
{
|
|
resize(1000, 233);
|
|
gridLayout = new QGridLayout(this);
|
|
treeWidget = new QTreeWidget(this);
|
|
|
|
gridLayout->addWidget(treeWidget, 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);
|
|
|
|
QStringList itemInfo("Col1");
|
|
itemInfo.append("Col2");
|
|
itemInfo.append("Col3");
|
|
itemInfo.append("Dummy");
|
|
// Developer no. could also have been social security number og some other id.
|
|
treeWidget->setHeaderLabels(itemInfo);
|
|
|
|
QStringList sl1("This is Root Item");
|
|
sl1.append("i");
|
|
QTreeWidgetItem *rootitem = new QTreeWidgetItem(treeWidget, sl1);
|
|
|
|
QStringList sl2("This is Child1 Item");
|
|
sl2.append("WW");
|
|
QTreeWidgetItem *child1 = new QTreeWidgetItem(rootitem, sl2);
|
|
|
|
QString ii = QString::fromLatin1("ii");
|
|
QStringList is;
|
|
const int rowCount = 3000;
|
|
spinPrecision->setMinimum(-1);
|
|
spinPrecision->setMaximum(rowCount + 5);
|
|
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 - 2; ++u) { // -2 since we have rootitem and child1
|
|
QString col1;
|
|
col1 = QString::fromLatin1("This is child item %1").arg(u + 2);
|
|
|
|
QStringList sl(col1);
|
|
sl.append(is[u]);
|
|
sl.append(is[rowCount - u - 1]);
|
|
|
|
if (u > 500)
|
|
new QTreeWidgetItem(rootitem, sl);
|
|
else
|
|
new QTreeWidgetItem(child1, sl);
|
|
}
|
|
treeWidget->header()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
|
|
treeWidget->header()->setSectionResizeMode(1, QHeaderView::ResizeToContents);
|
|
treeWidget->header()->setSectionResizeMode(2, QHeaderView::ResizeToContents);
|
|
spinPrecision->setValue(treeWidget->header()->resizeContentsPrecision());
|
|
connect(spinPrecision, SIGNAL(valueChanged(int)), this, SLOT(slotValueChanged(int)));
|
|
} // setupUi
|
|
protected slots:
|
|
void slotValueChanged(int newval);
|
|
protected:
|
|
QGridLayout *gridLayout;
|
|
QTreeWidget *treeWidget;
|
|
QSpinBox *spinPrecision;
|
|
QSpacerItem *verticalSpacer;
|
|
};
|
|
|
|
void TreeDialog::slotValueChanged(int newval)
|
|
{
|
|
treeWidget->header()->setResizeContentsPrecision(newval, true);
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
QApplication app(argc, argv);
|
|
TreeDialog d1;
|
|
d1.show();
|
|
app.exec();
|
|
}
|
|
|
|
#include "testtree.moc"
|