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/************************************************************************
*
* Copyright (C) 2009-2023 IRCAD France
* Copyright (C) 2012-2020 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include <QApplication>
#if defined(QT_WEBKIT)
#include <QWebView>
#include <QWebPage>
#else
#include <QTextBrowser>
#endif
#include <QDesktopServices>
#include <QDialog>
#include <QFrame>
#include <QHBoxLayout>
#include <QPushButton>
#include <QVBoxLayout>
#include <filesystem>
#include <core/base.hpp>
#include <service/macros.hpp>
#include <core/runtime/path.hpp>
#include "show_about.hpp"
namespace sight::module::ui::qt
{
//------------------------------------------------------------------------------
show_about::show_about() noexcept :
m_fs_about_path(""),
m_title("About"),
m_size(500, 300)
{
}
//------------------------------------------------------------------------------
show_about::~show_about() noexcept =
default;
//------------------------------------------------------------------------------
void show_about::info(std::ostream& _sstream)
{
_sstream << "show_about" << std::endl;
}
//------------------------------------------------------------------------------
void show_about::configuring()
{
this->sight::ui::action::initialize();
const auto& config = this->get_config();
const auto filename = config.get<std::string>("filename.<xmlattr>.id");
// Convert the path from a module location
m_fs_about_path = core::runtime::get_module_resource_file_path(filename);
m_b_service_is_configured = std::filesystem::exists(m_fs_about_path);
SIGHT_WARN_IF("About file " + filename + " doesn't exist", !m_b_service_is_configured);
m_title = config.get<std::string>("title", m_title);
m_size.setWidth(config.get<int>("size.<xmlattr>.width", m_size.width()));
m_size.setHeight(config.get<int>("size.<xmlattr>.height", m_size.height()));
}
//------------------------------------------------------------------------------
void show_about::updating()
{
SIGHT_ASSERT("The service 'show_about' isn't configured properly.", m_b_service_is_configured);
auto* dialog = new QDialog(qApp->activeWindow());
dialog->setWindowTitle(QString::fromStdString(m_title));
QUrl url = QUrl::fromLocalFile(QString::fromStdString(m_fs_about_path.string()));
#if defined(QT_WEBKIT)
QWebView* htmlView = new QWebView(dialog);
htmlView->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
htmlView->load(url);
QObject::connect(htmlView, SIGNAL(linkClicked(const QUrl&)), this, SLOT(on_url_clicked(const QUrl&)));
#else
auto* html_view = new QTextBrowser(dialog);
html_view->setSource(url);
html_view->setOpenExternalLinks(true);
html_view->setMinimumSize(m_size);
QStringList search_paths;
search_paths.append(QString::fromStdString(m_fs_about_path.parent_path().string()));
html_view->setSearchPaths(search_paths);
#endif
auto* close_button = new QPushButton(QObject::tr("Close"));
auto* h_layout = new QHBoxLayout();
h_layout->addStretch();
h_layout->addWidget(close_button);
h_layout->setContentsMargins(5, 5, 5, 5);
auto* line = new QFrame(dialog);
line->setFrameShape(QFrame::HLine);
line->setFrameShadow(QFrame::Sunken);
auto* layout = new QVBoxLayout();
layout->addWidget(html_view, 0);
layout->addWidget(line, 0);
layout->addLayout(h_layout, 0);
layout->setContentsMargins(0, 0, 0, 0);
layout->setSpacing(0);
dialog->setLayout(layout);
QObject::connect(close_button, SIGNAL(clicked()), dialog, SLOT(accept()));
QObject::connect(dialog, SIGNAL(accepted()), dialog, SLOT(deleteLater()));
dialog->setModal(true);
dialog->show();
}
//------------------------------------------------------------------------------
void show_about::starting()
{
this->sight::ui::action::action_service_starting();
}
//------------------------------------------------------------------------------
void show_about::stopping()
{
this->sight::ui::action::action_service_stopping();
}
//------------------------------------------------------------------------------
void show_about::on_url_clicked(const QUrl& _url)
{
QDesktopServices::openUrl(_url);
}
//------------------------------------------------------------------------------
} // namespace sight::module::ui::qt
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