Retrieves a GdkCursor pointer for the device currently set on the
specified GdkWindow, or NULL. If the return value is NULL then
there is no custom cursor set on the specified window, and it is
using the cursor for its parent window.
a GdkCursor, or NULL. The returned object is owned by the GdkWindow and should not be unreferenced directly. Use gdk_window_set_cursor() to unset the cursor of the window. [transfer none] Since 3.0
Retrieves a GdkCursor pointer for the device currently set on the specified GdkWindow, or NULL. If the return value is NULL then there is no custom cursor set on the specified window, and it is using the cursor for its parent window.