license: remove FSF postal address from boiler plate license text
[pulseview.git] / pv / dialogs / storeprogress.cpp
1 /*
2  * This file is part of the PulseView project.
3  *
4  * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
18  */
19
20 #include <cassert>
21
22 #include <QMessageBox>
23
24 #include "storeprogress.hpp"
25
26 using std::map;
27 using std::string;
28
29 using Glib::VariantBase;
30
31 namespace pv {
32 namespace dialogs {
33
34 StoreProgress::StoreProgress(const QString &file_name,
35         const std::shared_ptr<sigrok::OutputFormat> output_format,
36         const map<string, VariantBase> &options,
37         const std::pair<uint64_t, uint64_t> sample_range,
38         const Session &session, QWidget *parent) :
39         QProgressDialog(tr("Saving..."), tr("Cancel"), 0, 0, parent),
40         session_(file_name.toStdString(), output_format, options, sample_range,
41                 session)
42 {
43         connect(&session_, SIGNAL(progress_updated()),
44                 this, SLOT(on_progress_updated()));
45 }
46
47 StoreProgress::~StoreProgress()
48 {
49         session_.wait();
50 }
51
52 void StoreProgress::run()
53 {
54         if (session_.start())
55                 show();
56         else
57                 show_error();
58 }
59
60 void StoreProgress::show_error()
61 {
62         QMessageBox msg(parentWidget());
63         msg.setText(tr("Failed to save session."));
64         msg.setInformativeText(session_.error());
65         msg.setStandardButtons(QMessageBox::Ok);
66         msg.setIcon(QMessageBox::Warning);
67         msg.exec();
68 }
69
70 void StoreProgress::closeEvent(QCloseEvent*)
71 {
72         session_.cancel();
73 }
74
75 void StoreProgress::on_progress_updated()
76 {
77         const std::pair<int, int> p = session_.progress();
78         assert(p.first <= p.second);
79
80         if (p.second) {
81                 setValue(p.first);
82                 setMaximum(p.second);
83         } else {
84                 const QString err = session_.error();
85                 if (!err.isEmpty())
86                         show_error();
87                 close();
88         }
89 }
90
91 } // dialogs
92 } // pv