+//OK, snapper & preview are set as NOT visible... why???
+//becuz other things are created in the meantime which turn this stuff off, treating
+//it like it isn't a shared resource which it is...
+//printf("ActionDrawLine::mouseMoveEvent(): preview is%s visible, snapper is%s visible...\n", (graphicView->preview.Visible() ? "" : " NOT"), (graphicView->snapper.Visible() ? "" : " NOT"));