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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of Qt for Python.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QAction>
-#include <QDataStream>
-#include <QMenu>
-#include <QMenuBar>
-#include <QFile>
-#include <QFileDialog>
-#include <QListView>
-
-#include "window.h"
-
-MainWindow::MainWindow(QWidget *parent)
- : QMainWindow(parent)
-{
- setWindowTitle("Model/View example");
-
- setupModelView();
-
- QAction *openAction = new QAction(tr("&Open"), this);
- QAction *quitAction = new QAction(tr("E&xit"), this);
- QMenu *fileMenu = new QMenu(tr("&File"), this);
- fileMenu->addAction(openAction);
- fileMenu->addAction(quitAction);
- menuBar()->addMenu(fileMenu);
-
- connect(openAction, SIGNAL(triggered()), this, SLOT(selectOpenFile()));
- connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
-
- setCentralWidget(view);
-}
-
-void MainWindow::setupModelView()
-{
- model = new LinearModel(this);
- view = new LinearView(this);
- view->setModel(model);
-}
-
-void MainWindow::selectOpenFile()
-{
- QString fileName = QFileDialog::getOpenFileName(this,
- tr("Select a file to open"), "", tr("Sound files (*.wav)"));
-
- if (!fileName.isEmpty())
- openFile(fileName);
-}
-
-void MainWindow::openFile(const QString &fileName)
-{
- QFile file(fileName);
- int length = file.size();
-
- if (file.open(QFile::ReadOnly)) {
- model->removeRows(0, model->rowCount());
-
- int rows = (length - 0x2c)/2;
- model->insertRows(0, rows);
-
- // Perform some dodgy tricks to extract the data from the file.
- QDataStream stream(&file);
- stream.setByteOrder(QDataStream::LittleEndian);
-
- Q_INT16 left;
- Q_INT16 right;
-
- for (int row = 0; row < rows; ++row) {
- QModelIndex index = model->index(row);
-
- stream >> left >> right;
- model->setData(index, int(left / 256));
- }
- }
-}