Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
++
++ #include "contentwindow.h"
++
++ #include "centralwidget.h"
++ #include "helpenginewrapper.h"
++ #include "helpviewer.h"
++ #include "openpagesmanager.h"
++ #include "tracer.h"
++
++ #include <QtWidgets/QLayout>
++ #include <QtGui/QFocusEvent>
++ #include <QtWidgets/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->setContentsMargins(4, 4, 4, 4);
++ layout->addWidget(m_contentWidget);
++
++ connect(m_contentWidget, &QWidget::customContextMenuRequested,
++ this, &ContentWindow::showContextMenu);
++ connect(m_contentWidget, &QHelpContentWidget::linkActivated,
++ this, &ContentWindow::linkActivated);
++
++ QHelpContentModel *contentModel =
++ qobject_cast<QHelpContentModel*>(m_contentWidget->model());
++ connect(contentModel, &QHelpContentModel::contentsCreated,
++ this, &ContentWindow::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);
++ m_contentWidget->scrollTo(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::MiddleButton)) {
++ 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