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/*
* This file is part of the PulseView project.
*
* Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <cassert>
#include <QDebug>
#include <QMessageBox>
#include "pv/session.hpp"
#include "storeprogress.hpp"
using std::map;
using std::pair;
using std::shared_ptr;
using std::string;
using Glib::VariantBase;
namespace pv {
namespace dialogs {
StoreProgress::StoreProgress(const QString &file_name,
const shared_ptr<sigrok::OutputFormat> output_format,
const map<string, VariantBase> &options,
const pair<uint64_t, uint64_t> sample_range,
const Session &session, QWidget *parent) :
QProgressDialog(tr("Saving..."), tr("Cancel"), 0, 0, parent),
session_(file_name.toStdString(), output_format, options, sample_range,
session)
{
connect(&session_, SIGNAL(progress_updated()),
this, SLOT(on_progress_updated()));
connect(&session_, SIGNAL(store_successful()),
&session, SLOT(on_data_saved()));
// Since we're not setting any progress in case of an error, the dialog
// will pop up after the minimumDuration time has been reached - 4000 ms
// by default.
// We do not want this as it overlaps with the error message box, so we
// set the minimumDuration to 0 so that it only appears when we feed it
// progress data. Then, call reset() to prevent the progress dialog from
// popping up anyway. This would happen in Qt5 because the behavior was
// changed in such a way that the duration timer is started by the
// constructor. We don't want that and reset() stops the timer, so we
// use it.
setMinimumDuration(0);
reset();
}
StoreProgress::~StoreProgress()
{
session_.wait();
}
void StoreProgress::run()
{
if (session_.start())
show();
else
show_error();
}
void StoreProgress::show_error()
{
qDebug() << "Error trying to save:" << session_.error();
QMessageBox msg(parentWidget());
msg.setText(tr("Failed to save session.") + "\n\n" + session_.error());
msg.setStandardButtons(QMessageBox::Ok);
msg.setIcon(QMessageBox::Warning);
msg.exec();
close();
}
void StoreProgress::closeEvent(QCloseEvent*)
{
session_.cancel();
// Closing doesn't mean we're going to be destroyed because our parent
// still owns our handle. Make sure this stale instance doesn't hang around.
deleteLater();
}
void StoreProgress::on_progress_updated()
{
const pair<int, int> p = session_.progress();
assert(p.first <= p.second);
if (p.second) {
setValue(p.first);
setMaximum(p.second);
} else {
const QString err = session_.error();
if (!err.isEmpty())
show_error();
close();
}
}
} // namespace dialogs
} // namespace pv
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