func: static void handle_mousewheel(SDL_Event *ev)
  
  {
  
      struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
  
      SDL_MouseWheelEvent *wev = &ev->wheel;
  
      InputButton btn;
  
  
  
      if (wev->y > 0) {
  
          btn = INPUT_BUTTON_WHEEL_UP;
  
      } else if (wev->y < 0) {
  
          btn = INPUT_BUTTON_WHEEL_DOWN;
  
      } else {
  
          return;
  
      }
  
  
  
      qemu_input_queue_btn(scon->dcl.con, btn, true);
  
      qemu_input_event_sync();
  
      qemu_input_queue_btn(scon->dcl.con, btn, false);
  
      qemu_input_event_sync();
  
  }
  