Retrieves a GdkCursor pointer for the cursor currently set on the GdkSurface.
If the return value is %NULL then there is no custom cursor set on the surface, and it is using the cursor for its parent surface.
Use [method@Gdk.Surface.set_cursor] to unset the cursor of the surface.
a GdkCursor
See Implementation
Retrieves a GdkCursor pointer for the cursor currently set on the GdkSurface.
If the return value is %NULL then there is no custom cursor set on the surface, and it is using the cursor for its parent surface.
Use [method@Gdk.Surface.set_cursor] to unset the cursor of the surface.