code: public void drawTextField(float llx, float lly, float urx, float ury) {
          if (llx > urx) { float x = llx; llx = urx; urx = x; }
          if (lly > ury) { float y = lly; lly = ury; ury = y; }
          // silver rectangle not filled
          setColorStroke(new Color(0xC0, 0xC0, 0xC0));
          setLineWidth(1);
          setLineCap(0);
          rectangle(llx, lly, urx - llx, ury - lly);
          stroke();
          // white rectangle filled
          setLineWidth(1);
          setLineCap(0);
          setColorFill(new Color(0xFF, 0xFF, 0xFF));
          rectangle(llx + 0.5f, lly + 0.5f, urx - llx - 1f, ury -lly - 1f);
          fill();
          // silver lines
          setColorStroke(new Color(0xC0, 0xC0, 0xC0));
          setLineWidth(1);
          setLineCap(0);
          moveTo(llx + 1f, lly + 1.5f);
          lineTo(urx - 1.5f, lly + 1.5f);
          lineTo(urx - 1.5f, ury - 1f);
          stroke();
          // gray lines
          setColorStroke(new Color(0xA0, 0xA0, 0xA0));
          setLineWidth(1);
          setLineCap(0);
          moveTo(llx + 1f, lly + 1);
          lineTo(llx + 1f, ury - 1f);
          lineTo(urx - 1f, ury - 1f);
          stroke();
          // black lines
          setColorStroke(new Color(0x00, 0x00, 0x00));
          setLineWidth(1);
          setLineCap(0);
          moveTo(llx + 2f, lly + 2f);
          lineTo(llx + 2f, ury - 2f);
          lineTo(urx - 2f, ury - 2f);
          stroke();
      }
docs: Draws a TextField.
  @param llx
  @param lly
  @param urx
  @param ury