import pygame
pygame.init()
from pybfcontrol.bf_button import BFButton
screen = pygame.display.set_mode((600,420))

def do_click1(btn):
    pygame.display.set_caption('i click %s,ctl id is %s' % (btn._text,btn.ctl_id))    
    btn.text = 'be click'

btn = BFButton(screen, (20,20,160,40),text=u'test',click=do_click1)

while True:
    for event in pygame.event.get():    
        if event.type == pygame.QUIT:        
             pygame.quit()             
             exit()
             
        btn.update(event)
        

    screen.fill((255,255,255))    
    btn.draw()   
    pygame.display.update()