Fix #849 by making sure no references to the DecodeTrace instance remain

[pulseview.git] / pv / dialogs / about.cpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2012 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
 */

#ifdef ENABLE_DECODE
#include <libsigrokdecode/libsigrokdecode.h>
#endif

#include <QTextDocument>

#include "about.hpp"
#include <ui_about.h>

#include <libsigrokcxx/libsigrokcxx.hpp>

using std::shared_ptr;
using sigrok::Context;

namespace pv {
namespace dialogs {

About::About(shared_ptr<Context> context, QWidget *parent) :
	QDialog(parent),
	ui(new Ui::About)
{
#ifdef ENABLE_DECODE
	struct srd_decoder *dec;
#endif

	QString s;

	ui->setupUi(this);

	/* Setup the version field */
	ui->versionInfo->setText(tr("%1 %2<br />%3<br /><a href=\"%4\">%4</a>")
				 .arg(QApplication::applicationName(),
				      QApplication::applicationVersion(),
				      tr("GNU GPL, version 3 or later"),
				      QApplication::organizationDomain()));
	ui->versionInfo->setOpenExternalLinks(true);

	s.append("<table>");

	/* Set up the supported field */
	s.append("<tr><td colspan=\"2\"><b>" +
		tr("Supported hardware drivers:") +
		"</b></td></tr>");
	for (auto entry : context->drivers()) {
		s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
			 .arg(QString::fromUtf8(entry.first.c_str()),
			      QString::fromUtf8(entry.second->long_name().c_str())));
	}

	s.append("<tr><td colspan=\"2\"><b>" +
		tr("Supported input formats:") +
		"</b></td></tr>");
	for (auto entry : context->input_formats()) {
		s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
			 .arg(QString::fromUtf8(entry.first.c_str()),
			      QString::fromUtf8(entry.second->description().c_str())));
	}

	s.append("<tr><td colspan=\"2\"><b>" +
		tr("Supported output formats:") +
		"</b></td></tr>");
	for (auto entry : context->output_formats()) {
		s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
			 .arg(QString::fromUtf8(entry.first.c_str()),
			      QString::fromUtf8(entry.second->description().c_str())));
	}

#ifdef ENABLE_DECODE
	s.append("<tr><td colspan=\"2\"><b>" +
		tr("Supported protocol decoders:") +
		"</b></td></tr>");
	for (const GSList *l = srd_decoder_list(); l; l = l->next) {
		dec = (struct srd_decoder *)l->data;
		s.append(QString("<tr><td><i>%1</i></td><td>%2</td></tr>")
			 .arg(QString::fromUtf8(dec->id),
			      QString::fromUtf8(dec->longname)));
	}
#endif

	s.append("</table>");

	supportedDoc = new QTextDocument(this);
	supportedDoc->setHtml(s);
	ui->supportList->setDocument(supportedDoc);
}

About::~About()
{
	delete ui;
}

} // namespace dialogs
} // namespace pv