42 enum {UPPER_LEFT, LOWER_RIGHT, CLOSED, FILL};  enumerator
61   } else if (which == UPPER_LEFT) {  in draw()
75       if (which != UPPER_LEFT) fl_yxline(x+w-1, y+d/2-1, y+h-d/2+1);  in draw()
78       if (which != UPPER_LEFT) fl_xyline(x+d/2-1, y+h-1, x+w-d/2+1);  in draw()
90   draw(UPPER_LEFT,  x+1, y, w-2, h, 0, (Fl_Color)g['N']);  in fl_round_down_box()
91   draw(UPPER_LEFT,  x+1, y, w-2, h, 1, (Fl_Color)g['H']);  in fl_round_down_box()
92   draw(UPPER_LEFT,  x,   y, w,   h, 0, (Fl_Color)g['N']);  in fl_round_down_box()
93   draw(UPPER_LEFT,  x,   y, w,   h, 1, (Fl_Color)g['H']);  in fl_round_down_box()
108   draw(UPPER_LEFT,  x,   y, w,   h, 2, (Fl_Color)g['U']);  in fl_round_up_box()
109   draw(UPPER_LEFT,  x+1, y, w-2, h, 1, (Fl_Color)g['S']);  in fl_round_up_box()
110   draw(UPPER_LEFT,  x,   y, w,   h, 1, (Fl_Color)g['W']);  in fl_round_up_box()
111   draw(UPPER_LEFT,  x+1, y, w-2, h, 0, (Fl_Color)g['U']);  in fl_round_up_box()