snippetsmania.com
Post and share your code snippets

import appuifw
import e32
import graphics
import thread
import time

class Main:

def __init__(self):

appuifw.app.title = u'Fibonacci'
appuifw.app.body = self.canvas = appuifw.Canvas()
appuifw.exit_key_handler = self.OnExit
appuifw.app.menu = [(u'Calcola', self.OnCalcola)]

self.nlock = thread.allocate_lock() # Allocazione di un lock per il thread
self.vlock = thread.allocate_lock()

self.ris1 = 0
self.ris2 = ''
self.loop = 1
self.indice = 0
self.img = graphics.Image.new(self.canvas.size)

self.OnLoop()

def OnCalcola(self):

numero = appuifw.query(u'Inserire un Numero', 'number')

thread.start_new_thread(self.fibonacci, (numero, ))

def fibonacci(self, n):

self.ris1 = time.strftime('%H:%M:%S')
self.ris2 = ''

a, b = 0, 1

for i in range(n):

a, b = b, a + b
self.nlock.acquire()
self.indice = ((i+1)*100)/n
self.nlock.release()

self.nlock.acquire()
self.ris2 = time.strftime('%H:%M:%S')
self.nlock.release()

def OnExit(self):

self.loop = 0

def OnLoop(self):

while self.loop:

e32.ao_sleep(0.1)

self.img.clear(0)

self.img.line([37, 50, 137, 50], 0xffffff, width=20)
self.img.line([37, 50, 37 + self.indice, 50], 0xfffc0d, width=20)
self.img.text((80, 55), u'' + str(self.indice) + u'%', 0x000000)

self.vlock.acquire()
if self.ris2 <> '':

self.img.text((45, 80), u'Start: ' + str(self.ris1), 0xffffff)
self.img.text((45, 92), u'End:   ' + str(self.ris2), 0xffffff)

self.canvas.blit(self.img)
self.vlock.release()

if __name__ == '__main__':

main = Main()

source