[SDL] How to indicate that a window type is desktop in SDL

[Tony.Li]

Hi,everyone

  I'm trying to make a SDL application as a desktop environment such as
KDE,XFCE..

  But I don't know how to indicate  a  window  type is  desktop which  the
windows manager can  recognise.


  With Qt, I can do this by the codes as fllows:

setAttribute(Qt::WA_X11NetWmWindowTypeDesktop);
setWindowFlags(Qt::SplashScreen);

Qt::WindowFlags flags = 0;
    flags |= Qt::FramelessWindowHint;
    flags |= Qt::Tool;
    flags |= Qt::WindowStaysOnBottomHint;

    setWindowFlags(flags);


   I haven't found the similar  function in SDL API reference,how can I
achieve that in SDL ?

   Any help or suggestions will be greatly appreciated.

   Thanks.
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