C++ (Cpp) View::show Examples

Example #1

File: kateviewspace.cpp Project: cmacq2/kate

bool KateViewSpace::showView(KTextEditor::Document *document)
{
    const int index = m_lruDocList.lastIndexOf(document);

    if (index < 0) {
        return false;
    }

    if (! m_docToView.contains(document)) {
        return false;
    }

    KTextEditor::View *kv = m_docToView[document];

    // move view to end of list
    m_lruDocList.removeAt(index);
    m_lruDocList.append(document);
    stack->setCurrentWidget(kv);
    kv->show();

    // in case a tab does not exist, add one
    if (! m_docToTabId.contains(document)) {
        // if space is available, add button
        if (m_tabBar->count() < m_tabBar->maxTabCount()) {
            // just insert
            insertTab(m_tabBar->count(), document);
        } else {
            // remove "oldest" button and replace with new one
            Q_ASSERT(m_lruDocList.size() > m_tabBar->count());

            // we need to subtract by 1 more, as we just added ourself to the end of the lru list!
            KTextEditor::Document * docToHide = m_lruDocList[m_lruDocList.size() - m_tabBar->maxTabCount() - 1];
            Q_ASSERT(m_docToTabId.contains(docToHide));
            const int insertIndex = removeTab(docToHide, false);

            // add new one at removed position
            insertTab(insertIndex, document);
        }
    }

    // follow current view
    Q_ASSERT(m_docToTabId.contains(document));
    m_tabBar->setCurrentTab(m_docToTabId.value(document, -1));

    return true;
}