Use attach x,y when computing hotspot, set sx,sy in surface_attach

types/wlr_output.c

@@ -193,7 +193,8 @@ static void handle_cursor_surface_commit(struct wl_listener *listener,
 	int32_t stride = wl_shm_buffer_get_stride(buffer);
 	wl_shm_buffer_begin_access(buffer);
 	wlr_output_set_cursor(output, buffer_data, stride/4, width, height,
-		output->cursor.hotspot_x, output->cursor.hotspot_y);
+		output->cursor.hotspot_x - surface->current->sx,
+		output->cursor.hotspot_y - surface->current->sy);
 	wl_shm_buffer_end_access(buffer);
 }
 

types/wlr_surface.c

@@ -51,6 +51,8 @@ static void surface_attach(struct wl_client *client,
 	struct wlr_surface *surface = wl_resource_get_user_data(resource);
 
 	surface->pending->invalid |= WLR_SURFACE_INVALID_BUFFER;
+	surface->pending->sx = sx;
+	surface->pending->sy = sy;
 	wlr_surface_state_reset_buffer(surface->pending);
 	wlr_surface_state_set_buffer(surface->pending, buffer);
 }