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// Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#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"
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