Function foreach

qrenderdoc/3rdparty/toolwindowmanager/ToolWindowManager.cpp:156–174

                                       ToolWindowManager::ToolWindowProperty properties)
{
  foreach(QWidget *toolWindow, toolWindows)
  {
    if(!toolWindow)
    {
      qWarning("cannot add null widget");
      continue;
    }
    if(m_toolWindows.contains(toolWindow))
    {
      qWarning() << "this tool window has already been added" << toolWindow->objectName();
      continue;
    }
    toolWindow->hide();
    toolWindow->setParent(0);
    m_toolWindows << toolWindow;
    m_toolWindowProperties[toolWindow] = properties;
    QObject::connect(toolWindow, &QWidget::windowTitleChanged, this,
                     &ToolWindowManager::windowTitleChanged);
  }
  moveToolWindows(toolWindows, area);
}