/*
    Scan Tailor - Interactive post-processing tool for scanned pages.
    Copyright (C)  Joseph Artsimovich <joseph_a@mail.ru>

    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 3 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, see <http://www.gnu.org/licenses/>.
*/

#include "TabbedDebugImages.h"

#include "DebugImageView.h"

TabbedDebugImages::TabbedDebugImages(QWidget* parent)
    :   QTabWidget(parent)
{
    setDocumentMode(true);
    connect(this, SIGNAL(currentChanged(int)), SLOT(currentTabChanged(int)));
}

void
TabbedDebugImages::currentTabChanged(int const idx)
{
    if (DebugImageView* div = dynamic_cast<DebugImageView*>(widget(idx))) {
        div->unlink();
        m_liveViews.push_back(*div);
        removeExcessLiveViews();
        div->setLive(true);
    }
}

void
TabbedDebugImages::removeExcessLiveViews()
{
    int remaining = m_liveViews.size();
    for (; remaining > MAX_LIVE_VIEWS; --remaining) {
        m_liveViews.front().setLive(false);
        m_liveViews.erase(m_liveViews.begin());
    }
}
