- switch (m_or) {
- case 0:
- image.get_window()->draw_rectangle(gc, 1, w/2-2, h/2, 4, h/2);
- gc->set_foreground(blanco);
- image.get_window()->draw_rectangle(gc, 0, w/2-3, h/2-1, 6, h/2);
- break;
- case 1:
- image.get_window()->draw_rectangle(gc, 1, 0, h/2-2, w/2, 4);
- break;
- case 2:
- image.get_window()->draw_rectangle(gc, 1, w/2-2, 0, 4, h/2);
- break;
- case 3:
- image.get_window()->draw_rectangle(gc, 1, w/2, h/2-2, w/2, 4);
+ if (actual_flow > 0) {
+ switch (m_or) {
+ case 0:
+ image.get_window()->draw_rectangle(gc, 1, w/2-3, 16, 6, h-16);
+ image.get_window()->draw_rectangle(gc, 1, 0, 13, w, 6);
+ break;
+ case 1:
+ image.get_window()->draw_rectangle(gc, 1, 0, h/2-3, 48, 6);
+ image.get_window()->draw_rectangle(gc, 1, 45, 0, 6, h);
+ break;
+ case 2:
+ image.get_window()->draw_rectangle(gc, 1, w/2-3, 0, 6, 48);
+ image.get_window()->draw_rectangle(gc, 1, 0, 45, w, 6);
+ break;
+ case 3:
+ image.get_window()->draw_rectangle(gc, 1, 16, h/2-3, 48, 6);
+ image.get_window()->draw_rectangle(gc, 1, 13, 0, 6, h);
+ }