/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the Qt Assistant of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 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 the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#include "tracer.h" | |
#include "contentwindow.h" | |
#include "centralwidget.h" | |
#include "helpenginewrapper.h" | |
#include "helpviewer.h" | |
#include <QtGui/QLayout> | |
#include <QtGui/QFocusEvent> | |
#include <QtGui/QMenu> | |
#include <QtHelp/QHelpContentWidget> | |
QT_BEGIN_NAMESPACE | |
ContentWindow::ContentWindow() | |
: m_contentWidget(HelpEngineWrapper::instance().contentWidget()) | |
, m_expandDepth(-2) | |
{ | |
TRACE_OBJ | |
m_contentWidget->viewport()->installEventFilter(this); | |
m_contentWidget->setContextMenuPolicy(Qt::CustomContextMenu); | |
QVBoxLayout *layout = new QVBoxLayout(this); | |
layout->setMargin(4); | |
layout->addWidget(m_contentWidget); | |
connect(m_contentWidget, SIGNAL(customContextMenuRequested(QPoint)), this, | |
SLOT(showContextMenu(QPoint))); | |
connect(m_contentWidget, SIGNAL(linkActivated(QUrl)), this, | |
SIGNAL(linkActivated(QUrl))); | |
QHelpContentModel *contentModel = | |
qobject_cast<QHelpContentModel*>(m_contentWidget->model()); | |
connect(contentModel, SIGNAL(contentsCreated()), this, SLOT(expandTOC())); | |
} | |
ContentWindow::~ContentWindow() | |
{ | |
TRACE_OBJ | |
} | |
bool ContentWindow::syncToContent(const QUrl& url) | |
{ | |
TRACE_OBJ | |
QModelIndex idx = m_contentWidget->indexOf(url); | |
if (!idx.isValid()) | |
return false; | |
m_contentWidget->setCurrentIndex(idx); | |
return true; | |
} | |
void ContentWindow::expandTOC() | |
{ | |
TRACE_OBJ | |
Q_ASSERT(m_expandDepth >= -2); | |
if (m_expandDepth > -2) { | |
expandToDepth(m_expandDepth); | |
m_expandDepth = -2; | |
} | |
} | |
void ContentWindow::expandToDepth(int depth) | |
{ | |
TRACE_OBJ | |
Q_ASSERT(depth >= -2); | |
m_expandDepth = depth; | |
if (depth == -1) | |
m_contentWidget->expandAll(); | |
else if (depth == 0) | |
m_contentWidget->collapseAll(); | |
else | |
m_contentWidget->expandToDepth(depth - 1); | |
} | |
void ContentWindow::focusInEvent(QFocusEvent *e) | |
{ | |
TRACE_OBJ | |
if (e->reason() != Qt::MouseFocusReason) | |
m_contentWidget->setFocus(); | |
} | |
void ContentWindow::keyPressEvent(QKeyEvent *e) | |
{ | |
TRACE_OBJ | |
if (e->key() == Qt::Key_Escape) | |
emit escapePressed(); | |
} | |
bool ContentWindow::eventFilter(QObject *o, QEvent *e) | |
{ | |
TRACE_OBJ | |
if (m_contentWidget && o == m_contentWidget->viewport() | |
&& e->type() == QEvent::MouseButtonRelease) { | |
QMouseEvent *me = static_cast<QMouseEvent*>(e); | |
const QModelIndex &index = m_contentWidget->indexAt(me->pos()); | |
if (!index.isValid()) | |
return QWidget::eventFilter(o, e); | |
const Qt::MouseButtons button = me->button(); | |
QItemSelectionModel *sm = m_contentWidget->selectionModel(); | |
if (sm->isSelected(index)) { | |
if ((button == Qt::LeftButton && (me->modifiers() & Qt::ControlModifier)) | |
|| (button == Qt::MidButton)) { | |
QHelpContentModel *contentModel = | |
qobject_cast<QHelpContentModel*>(m_contentWidget->model()); | |
if (contentModel) { | |
QHelpContentItem *itm = contentModel->contentItemAt(index); | |
if (itm && AbstractHelpViewer::canOpenPage(itm->url().path())) | |
CentralWidget::instance()->setSourceInNewTab(itm->url()); | |
} | |
} else if (button == Qt::LeftButton) { | |
itemClicked(index); | |
} | |
} | |
} | |
return QWidget::eventFilter(o, e); | |
} | |
void ContentWindow::showContextMenu(const QPoint &pos) | |
{ | |
TRACE_OBJ | |
if (!m_contentWidget->indexAt(pos).isValid()) | |
return; | |
QHelpContentModel *contentModel = | |
qobject_cast<QHelpContentModel*>(m_contentWidget->model()); | |
QHelpContentItem *itm = | |
contentModel->contentItemAt(m_contentWidget->currentIndex()); | |
QMenu menu; | |
QAction *curTab = menu.addAction(tr("Open Link")); | |
QAction *newTab = menu.addAction(tr("Open Link in New Tab")); | |
if (!AbstractHelpViewer::canOpenPage(itm->url().path())) | |
newTab->setEnabled(false); | |
menu.move(m_contentWidget->mapToGlobal(pos)); | |
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) | |
{ | |
TRACE_OBJ | |
QHelpContentModel *contentModel = | |
qobject_cast<QHelpContentModel*>(m_contentWidget->model()); | |
if (contentModel) { | |
if (QHelpContentItem *itm = contentModel->contentItemAt(index)) { | |
const QUrl &url = itm->url(); | |
if (url != CentralWidget::instance()->currentSource()) | |
emit linkActivated(url); | |
} | |
} | |
} | |
QT_END_NAMESPACE |