Method UpdateWindowState

external/zep/src/editor.cpp:431–473

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() {
        timer_restart(m_cursorTimer);