bool ContentWindow::eventFilter(QObject *o, QEvent *e)
{
if (m_contentWidget && o == m_contentWidget->viewport()
&& e->type() == QEvent::MouseButtonRelease) {
QMouseEvent *me = static_cast<QMouseEvent*>(e);
QItemSelectionModel *sm = m_contentWidget->selectionModel();
if (!me || !sm)
return QWidget::eventFilter(o, e);
Qt::MouseButtons button = me->button();
const QModelIndex &index = m_contentWidget->indexAt(me->pos());
if (index.isValid() && 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);
}
bool ContentWindow::eventFilter(QObject *o, QEvent *e)
{
if (m_contentWidget && o == m_contentWidget->viewport()
&& e->type() == QEvent::MouseButtonRelease) {
QMouseEvent *me = static_cast<QMouseEvent*>(e);
QModelIndex index = m_contentWidget->indexAt(me->pos());
QItemSelectionModel *sm = m_contentWidget->selectionModel();
Qt::MouseButtons button = me->button();
if (index.isValid() && (sm && 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 && !isPdfFile(itm))
CentralWidget::instance()->setSourceInNewTab(itm->url());
}
} else if (button == Qt::LeftButton) {
itemClicked(index);
}
}
}
return QWidget::eventFilter(o, e);
}
void ContentWindow::itemClicked(const QModelIndex &index)
{
QHelpContentModel *contentModel =
qobject_cast<QHelpContentModel*>(m_contentWidget->model());
if (contentModel) {
QHelpContentItem *itm = contentModel->contentItemAt(index);
if (itm)
emit linkActivated(itm->url());
}
}
void ContentWindow::showContextMenu(const QPoint &pos)
{
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 as New Page"));
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::showContextMenu(const QPoint &pos)
{
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 (isPdfFile(itm))
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 QHelpContentProvider::run()
{
QString title;
QString link;
int depth = 0;
QHelpContentItem *item = 0;
m_mutex.lock();
m_rootItem = new QHelpContentItem(QString(), QString(), 0);
m_rootItems.enqueue(m_rootItem);
QStringList atts = m_filterAttributes;
const QStringList fileNames = m_helpEngine->orderedFileNameList;
m_mutex.unlock();
foreach (const QString &dbFileName, fileNames) {
m_mutex.lock();
if (m_abort) {
m_abort = false;
m_mutex.unlock();
break;
}
m_mutex.unlock();
QHelpDBReader reader(dbFileName,
QHelpGlobal::uniquifyConnectionName(dbFileName +
QLatin1String("FromQHelpContentProvider"),
QThread::currentThread()), 0);
if (!reader.init())
continue;
foreach (const QByteArray& ba, reader.contentsForFilter(atts)) {
if (ba.size() < 1)
continue;
int _depth = 0;
bool _root = false;
QStack<QHelpContentItem*> stack;
QDataStream s(ba);
for (;;) {
s >> depth;
s >> link;
s >> title;
if (title.isEmpty())
break;
CHECK_DEPTH:
if (depth == 0) {
m_mutex.lock();
item = new QHelpContentItem(title, link,
m_helpEngine->fileNameReaderMap.value(dbFileName), m_rootItem);
m_rootItem->appendChild(item);
m_mutex.unlock();
stack.push(item);
_depth = 1;
_root = true;
} else {
if (depth > _depth && _root) {
_depth = depth;
stack.push(item);
}
if (depth == _depth) {
item = new QHelpContentItem(title, link,
m_helpEngine->fileNameReaderMap.value(dbFileName), stack.top());
stack.top()->appendChild(item);
} else if (depth < _depth) {
stack.pop();
--_depth;
goto CHECK_DEPTH;
}
}
}
}
}
