[SDL] SDL_WINDOWID: embedding SDL into gtkmm

[Germán Diago]

Hello. I'm trying to embed an SDL_Window into my own application.

My way to (try) to do it is like this.

(window is a GtkWindow)

void onGtkWindowRealized()
{
   unsigned long wid = GDK_WINDOW_XWINDOW(window_.gobj()->window);
   std::stringstream sdlhack << "SDL_WINDOWID=" << wid;

   putenv(const_cast<const char *>(sdlhack.str().c_str());

  if (SDL_Init(SDL_INIT_VIDEO) != 0)
    ....
  else
    SDL_SetVideoMode(.....)



}

I think that this way SDL should draw into my own application window, like
described in a lot of mailing lists I googled.
But I get an SDL toplevel window instead. So I have my app's window and an
SDL one. I checked if the variable is
correctly set up, and it is. So... could anyone help on this, please.
Thank you very much in advance.
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