poppler-24.05.0/qt6/demos/optcontent.cpp

/*
 * Copyright (C) 2008, Pino Toscano <[email protected]>
 *
 * 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, 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 Street - Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include "optcontent.h"

#include <poppler-qt6.h>

#include <QtWidgets/QTreeView>

OptContentDock::OptContentDock(QWidget *parent) : AbstractInfoDock(parent)
{
    m_view = new QTreeView(this);
    setWidget(m_view);
    setWindowTitle(tr("Optional content"));
    m_view->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
}

OptContentDock::~OptContentDock() { }

void OptContentDock::documentLoaded()
{
    AbstractInfoDock::documentLoaded();
    if (document()->pageMode() == Poppler::Document::UseOC) {
        show();
    }
}

void OptContentDock::fillInfo()
{
    if (!document()->hasOptionalContent()) {
        return;
    }

    m_view->setModel(document()->optionalContentModel());
    connect(m_view->model(), &QAbstractItemModel::dataChanged, this, &OptContentDock::reloadImage);
    m_view->expandToDepth(1);
}

void OptContentDock::documentClosed()
{
    m_view->setModel(nullptr);
    AbstractInfoDock::documentClosed();
}

void OptContentDock::reloadImage()
{
    reloadPage();
}