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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
/*
window.cpp
A minimal subclass of QTableView with slots to allow the selection model
to be monitored.
*/
#include <QAbstractItemModel>
#include <QItemSelection>
#include <QItemSelectionModel>
#include <QStatusBar>
#include "model.h"
#include "window.h"
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
{
setWindowTitle("Selected items in a table model");
model = new TableModel(8, 4, this);
table = new QTableView(this);
table->setModel(model);
selectionModel = table->selectionModel();
connect(selectionModel, &QItemSelectionModel::selectionChanged,
this, &MainWindow::updateSelection);
connect(selectionModel, &QItemSelectionModel::currentChanged,
this, &MainWindow::changeCurrent);
statusBar();
setCentralWidget(table);
}
//! [0]
void MainWindow::updateSelection(const QItemSelection &selected,
const QItemSelection &deselected)
{
QModelIndexList items = selected.indexes();
for (const QModelIndex &index : std::as_const(items)) {
QString text = QString("(%1,%2)").arg(index.row()).arg(index.column());
model->setData(index, text);
//! [0] //! [1]
}
//! [1]
//! [2]
items = deselected.indexes();
for (const QModelIndex &index : std::as_const(items)) {
model->setData(index, QString());
}
//! [2]
//! [3]
void MainWindow::changeCurrent(const QModelIndex ¤t,
const QModelIndex &previous)
{
statusBar()->showMessage(
tr("Moved from (%1,%2) to (%3,%4)")
.arg(previous.row()).arg(previous.column())
.arg(current.row()).arg(current.column()));
}
//! [3]
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