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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
/*
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 : qAsConst(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 : qAsConst(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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