gdk_window_set_cursor( widget->window, gdk_cursor_new( GDK_BOTTOM_RIGHT_CORNER ) );
else
gdk_window_set_cursor( widget->window, NULL );
gdk_window_set_cursor( widget->window, gdk_cursor_new( GDK_BOTTOM_RIGHT_CORNER ) );
else
gdk_window_set_cursor( widget->window, NULL );