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 /* ============================================================
 * Falkon - Qt web browser
 * Copyright (C) 2013-2018 David Rosca <nowrep@gmail.com>
 *
 * 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 "navigationcontainer.h"
 #include "qzsettings.h"
 #include "tabbar.h"
 
 #include <QPainter>
 #include <QVBoxLayout>
 
 NavigationContainer::NavigationContainer(QWidget* parent)
     : QWidget(parent)
     , m_tabBar(nullptr)
 {
     m_layout = new QVBoxLayout(this);
     m_layout->setContentsMargins(0, 0, 0, 0);
     m_layout->setSpacing(0);
     setLayout(m_layout);
 
     setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Maximum);
 }
 
 void NavigationContainer::addWidget(QWidget* widget)
 {
     m_layout->addWidget(widget);
 }
 
 void NavigationContainer::setTabBar(TabBar* tabBar)
 {
     m_tabBar = tabBar;
     m_layout->addWidget(m_tabBar);
 
     toggleTabsOnTop(qzSettings->tabsOnTop);
 }
 
 void NavigationContainer::toggleTabsOnTop(bool enable)
 {
     setUpdatesEnabled(false);
 
     m_layout->removeWidget(m_tabBar);
     m_layout->insertWidget(enable ? 0 : m_layout->count(), m_tabBar);
     m_layout->setContentsMargins(0, enable ? 2 : 0, 0, enable ? 2 : 0);
 
     setUpdatesEnabled(true);
 }
 
 void NavigationContainer::paintEvent(QPaintEvent* event)
 {
     QWidget::paintEvent(event);
 
     // Draw line at the bottom of navigation bar if tabs are on top
     // To visually distinguish navigation bar from the page
 
     if (qzSettings->tabsOnTop) {
         QPainter p(this);
         QRect lineRect(0, height() - 1, width(), 1);
         QColor c = palette().window().color().darker(125);
         p.fillRect(lineRect, c);
     }
 }