NXTKWINDOW nxtk_openwindow(NXHANDLE handle,
FAR const struct nx_callback_s *cb,
FAR void *arg)
{
FAR struct nxtk_framedwindow_s *fwnd;
int ret;
#ifdef CONFIG_DEBUG
if (!handle || !cb)
{
errno = EINVAL;
return NULL;
}
#endif
/* Pre-allocate the window structure */
fwnd = (FAR struct nxtk_framedwindow_s *)zalloc(sizeof(struct nxtk_framedwindow_s));
if (!fwnd)
{
errno = ENOMEM;
return NULL;
}
/* Initialize the window structure */
fwnd->fwcb = cb;
fwnd->fwarg = arg;
/* Then let nxfe_constructwindow do the rest */
ret = nxfe_constructwindow(handle, &fwnd->wnd, &g_nxtkcb, NULL);
if (ret < 0)
{
/* An error occurred, the window has been freed */
return NULL;
}
/* Return the initialized window reference */
return (NXTKWINDOW)fwnd;
}
NXWINDOW nx_openwindow(NXHANDLE handle, FAR const struct nx_callback_s *cb,
FAR void *arg)
{
FAR struct nxbe_window_s *wnd;
int ret;
#ifdef CONFIG_DEBUG
if (!handle || !cb)
{
errno = EINVAL;
return NULL;
}
#endif
/* Pre-allocate the window structure */
wnd = (FAR struct nxbe_window_s *)kzalloc(sizeof(struct nxbe_window_s));
if (!wnd)
{
errno = ENOMEM;
return NULL;
}
/* Then let nxfe_constructwindow do the rest */
ret = nxfe_constructwindow(handle, wnd, cb, arg);
if (ret < 0)
{
/* An error occurred, the window has been freed */
return NULL;
}
/* Return the uninitialized window reference. Since the server
* serializes all operations, we can be assured that the window will
* be initialized before the first operation on the window.
*/
return (NXWINDOW)wnd;
}
