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/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception
** version 1.2, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
***************************************************************************/
#include "contentwindow.h"
#include "centralwidget.h"
#include <QtGui/QLayout>
#include <QtGui/QFocusEvent>
#include <QtGui/QMenu>
#include <QtHelp/QHelpEngine>
#include <QtHelp/QHelpContentWidget>
QT_BEGIN_NAMESPACE
ContentWindow::ContentWindow(QHelpEngine *helpEngine)
: m_helpEngine(helpEngine)
, m_contentWidget(0)
, m_expandDepth(-2)
{
QVBoxLayout *layout = new QVBoxLayout(this);
m_contentWidget = m_helpEngine->contentWidget();
connect(m_contentWidget, SIGNAL(linkActivated(const QUrl&)),
this, SIGNAL(linkActivated(const QUrl&)));
layout->setMargin(4);
layout->addWidget(m_contentWidget);
m_contentWidget->setContextMenuPolicy(Qt::CustomContextMenu);
connect(m_contentWidget, SIGNAL(customContextMenuRequested(const QPoint&)),
this, SLOT(showContextMenu(const QPoint&)));
QHelpContentModel *contentModel =
qobject_cast<QHelpContentModel*>(m_contentWidget->model());
connect(contentModel, SIGNAL(contentsCreated()),
this, SLOT(expandTOC()));
m_contentWidget->viewport()->installEventFilter(this);
}
ContentWindow::~ContentWindow()
{
}
bool ContentWindow::syncToContent(const QUrl& url)
{
QModelIndex idx = m_contentWidget->indexOf(url);
if (!idx.isValid())
return false;
m_contentWidget->setCurrentIndex(idx);
return true;
}
void ContentWindow::expandTOC()
{
if (m_expandDepth > -2) {
expandToDepth(m_expandDepth);
m_expandDepth = -2;
}
}
void ContentWindow::expandToDepth(int depth)
{
m_expandDepth = depth;
if (depth == -1)
m_contentWidget->expandAll();
else
m_contentWidget->expandToDepth(depth);
}
void ContentWindow::focusInEvent(QFocusEvent *e)
{
if (e->reason() != Qt::MouseFocusReason)
m_contentWidget->setFocus();
}
void ContentWindow::keyPressEvent(QKeyEvent *e)
{
if (e->key() == Qt::Key_Escape)
emit escapePressed();
}
bool ContentWindow::eventFilter(QObject *o, QEvent *e)
{
if (m_contentWidget && o == m_contentWidget->viewport() && e->type()
== QEvent::MouseButtonRelease) {
QMouseEvent *me = static_cast<QMouseEvent*>(e);
if (m_contentWidget->indexAt(me->pos()).isValid()
&& me->button() == Qt::LeftButton) {
itemClicked(m_contentWidget->currentIndex());
} else if (m_contentWidget->indexAt(me->pos()).isValid()
&& me->button() == Qt::MidButton) {
QHelpContentModel *contentModel =
qobject_cast<QHelpContentModel*>(m_contentWidget->model());
QHelpContentItem *itm =
contentModel->contentItemAt(m_contentWidget->currentIndex());
CentralWidget::instance()->setSourceInNewTab(itm->url());
}
}
return QWidget::eventFilter(o,e);
}
void ContentWindow::showContextMenu(const QPoint &pos)
{
if (!m_contentWidget->indexAt(pos).isValid())
return;
QMenu menu;
QAction *curTab = menu.addAction(tr("Open Link"));
QAction *newTab = menu.addAction(tr("Open Link in New Tab"));
menu.move(m_contentWidget->mapToGlobal(pos));
QHelpContentModel *contentModel =
qobject_cast<QHelpContentModel*>(m_contentWidget->model());
QHelpContentItem *itm =
contentModel->contentItemAt(m_contentWidget->currentIndex());
QAction *action = menu.exec();
if (curTab == action)
emit linkActivated(itm->url());
else if (newTab == action)
CentralWidget::instance()->setSourceInNewTab(itm->url());
}
void ContentWindow::itemClicked(const QModelIndex &index)
{
if (!index.isValid())
return;
QHelpContentModel *contentModel =
qobject_cast<QHelpContentModel*>(m_contentWidget->model());
QHelpContentItem *itm =
contentModel->contentItemAt(index);
if (itm)
emit linkActivated(itm->url());
}
QT_END_NAMESPACE
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