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Menulib is a simple function that allow the developper to create a customizable interactive menu.

Bug report or review here

Documentation here

Exemple here

from ion import keydown
from kandinsky import fill_rect as drawRect, draw_string as drawTxt

def menu(x,y,elements,col=(0,0,0),bg_col=(255,255,255)):
  def kd(x):
    if keydown(x):
      while keydown(x):pass
      return True
    return False
  kd(4)
  el_size,select,txt_size,draw=25,0,[0 for i in range(len(elements))],1
  while True:
    if kd(1):
      draw=1
      select=max(0,select-1)
    if kd(2):
      draw=1
      select=min(len(elements)-1,select+1)
    if kd(0):
      draw=1
      type=elements[select][0]
      if type=="sld":elements[select][-1]=max(elements[select][-1]-1,elements[select][2][0])
      if type=="lst":elements[select][-1]=max(elements[select][-1]-1,0)
    if kd(3):
      draw=1
      type=elements[select][0]
      if type=="sld":elements[select][-1]=min(elements[select][-1]+1,elements[select][2][1])
      if type=="lst":elements[select][-1]=min(elements[select][-1]+1,len(elements[select][2])-1)
    if kd(4) and elements[select][0]=="btn":
      break

    if draw:
      for nb,el in enumerate(elements):
        drawRect(x,y+el_size*nb,10*txt_size[nb],el_size,bg_col)
        slcted=1 if nb==select else 0
        type=el[0]
        name=el[1]
        val=el[-1]
        if type=="btn":disp_txt=name
        elif type=="sld":disp_txt=name+" : {}".format(val)
        elif type=="lst":disp_txt=name+" : {}".format(el[2][val])
        else : disp_txt="error"
        if slcted: disp_txt="> "+disp_txt
        txt_size[nb]=len(disp_txt)
        drawTxt(disp_txt,x,y+nb*el_size,col,bg_col)
        draw=0
  return elements[select][1],{x[1]:x[-1] for x in elements if x[0]!="btn"}