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DSView/DSLogic-gui/pv/dialogs/storeprogress.cpp
DreamSourceLab 9eb36b33b9 v0.4 release
2014-09-24 18:43:42 +08:00

85 lines
2.0 KiB
C++

/*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "storeprogress.h"
#include <QMessageBox>
namespace pv {
namespace dialogs {
StoreProgress::StoreProgress(const QString &file_name,
SigSession &session, QWidget *parent) :
QProgressDialog(tr("Saving..."), tr("Cancel"), 0, 0, parent),
_session(file_name.toStdString(), session)
{
connect(&_session, SIGNAL(progress_updated()),
this, SLOT(on_progress_updated()));
}
StoreProgress::~StoreProgress()
{
_session.wait();
}
void StoreProgress::run()
{
if (_session.start())
show();
else
show_error();
}
void StoreProgress::show_error()
{
QMessageBox msg(parentWidget());
msg.setText(tr("Failed to save session."));
msg.setInformativeText(_session.error());
msg.setStandardButtons(QMessageBox::Ok);
msg.setIcon(QMessageBox::Warning);
msg.exec();
}
void StoreProgress::closeEvent(QCloseEvent*)
{
_session.cancel();
}
void StoreProgress::on_progress_updated()
{
const std::pair<uint64_t, uint64_t> p = _session.progress();
assert(p.first <= p.second);
setValue(p.first);
setMaximum(p.second);
const QString err = _session.error();
if (!err.isEmpty()) {
show_error();
close();
}
if (p.first == p.second)
close();
}
} // dialogs
} // pv