Method flipDisplay

src/ui/manager.cpp:175–202

}

void Manager::flipDisplay()
{
  if (!m_display)
    return;

  OverlayManager* overlays = OverlayManager::instance();

  update_cursor_overlay();

  // Draw overlays.
  overlays->captureOverlappedAreas();
  overlays->drawOverlays();

  // Flip dirty region.
  {
    m_dirtyRegion.createIntersection(
      m_dirtyRegion,
      gfx::Region(gfx::Rect(0, 0, ui::display_w(), ui::display_h())));

    for (auto& rc : m_dirtyRegion)
      m_display->flip(rc);
    m_display->present();

    m_dirtyRegion.clear();
  }

  overlays->restoreOverlappedAreas();
}

bool Manager::generateMessages()
{