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Diffstat (limited to 'src/assistant/tools/assistant/contentwindow.cpp')
| -rw-r--r-- | src/assistant/tools/assistant/contentwindow.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/src/assistant/tools/assistant/contentwindow.cpp b/src/assistant/tools/assistant/contentwindow.cpp new file mode 100644 index 000000000..fbf70aa1f --- /dev/null +++ b/src/assistant/tools/assistant/contentwindow.cpp @@ -0,0 +1,204 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "contentwindow.h" + +#include "centralwidget.h" +#include "helpenginewrapper.h" +#include "helpviewer.h" +#include "openpagesmanager.h" +#include "tracer.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 && HelpViewer::canOpenPage(itm->url().path())) + OpenPagesManager::instance()->createPage(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 (!HelpViewer::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) + OpenPagesManager::instance()->createPage(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 |