Move to the next image when closing the first image from the image_list

src/image_list.c

@@ -260,7 +260,14 @@ rstto_image_list_remove_file (RsttoImageList *image_list, GFile *file)
         {
             if (g_file_equal(rstto_image_list_iter_get_file (iter->data), file))
             {
-                rstto_image_list_iter_previous (iter->data);
+                if (0 == rstto_image_list_iter_get_position (iter->data))
+                {
+                    rstto_image_list_iter_next (iter->data);
+                }
+                else
+                {
+                    rstto_image_list_iter_previous (iter->data);
+                }
                 /* If the image is still the same, 
                  * it's a single item list,
                  * and we should force the image in this iter to NULL