Method UpdateWindowState

src/editor.cpp:451–505

Here we ensure that the editor is in a valid state, and cleanup Default buffers

// Here we ensure that the editor is in a valid state, and cleanup Default buffers
void ZepEditor::UpdateWindowState()
{
    // If there is no active tab window, and we have one, set it.
    if (!m_pActiveTabWindow)
    {
        if (!m_tabWindows.empty())
        {
            SetCurrentTabWindow(m_tabWindows.back());
        }
    }

    // If the tab window doesn't contain an active window, and there is one, set it
    if (m_pActiveTabWindow && !m_pActiveTabWindow->GetActiveWindow())
    {
        if (!m_pActiveTabWindow->GetWindows().empty())
        {
            m_pActiveTabWindow->SetActiveWindow(m_pActiveTabWindow->GetWindows().back());
            m_bRegionsChanged = true;
        }
    }

    // Clean up any default buffers
    std::vector<ZepBuffer*> victims;
    for (auto& buffer : m_buffers)
    {
        if (!buffer->HasFileFlags(FileFlags::DefaultBuffer) || buffer->HasFileFlags(FileFlags::Dirty))
        {
            continue;
        }

        auto windows = FindBufferWindows(buffer.get());
        if (windows.empty())
        {
            victims.push_back(buffer.get());
        }
    }

    for (auto& victim : victims)
    {
        RemoveBuffer(victim);
    }

    // If the display says we need a layout update, force it on all the windows
    if (GetDisplay().LayoutDirty())
    {
        for (auto& tabWindow : GetTabWindows())
        {
            for (auto& window : tabWindow->GetWindows())
            {
                window->DirtyLayout();
            }
        }
        GetDisplay().SetLayoutDirty(false);
    }
}

void ZepEditor::ResetCursorTimer()
{