from AppKit import NSFontManager
from string import letters, punctuation, whitespace

def fonts(s):
    return [f for f in NSFontManager.sharedFontManager().availableFonts() if f.lower().startswith(s.lower())]

def typeset(s,x,y,h):
        if x + textwidth(s) > WIDTH:
            x = 0
            y += h*10
            h = 0
 
        text(s, x, y)
 
        # Line height is equal to biggest font 
        h = max(h, textheight(s_buff))
        x += textwidth(s_buff)
        
        return x,y,h

s = 'the lazy fox jumps over\n'

s_buff, f_buff = '', ''
x, y, h= 0, 100, 0

for c in s:
    if c in letters:
        s_buff += c
        if fonts(s_buff) != []:
            f_buff = fonts(s_buff)[0]
    elif c in whitespace or c in punctuation:
        font(f_buff)
        print f_buff
        x,y,h = typeset(c,x,y,h)
        x,y,h = typeset(s_buff,x,y,h)
        s_buff, f_buff= '', ''