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# Suivant que l'on exécute ce script sous Python 3 ou Python 2,
# on utilisera le module Tkinter correspondant :
try:
from tkinter import * # module Tkinter pour Python 3
except:
from Tkinter import * # module Tkinter pour Python 2
import time
class Chronometre(Frame):
""" insertion du chrnomètre dans un widget frame. """
def __init__(self, parent=None, **kw):
Frame.__init__(self, parent, kw)
self._start = 0.0
self._elapsedtime = 0.0
self._running = 0
self.timestr = StringVar()
self.makeWidgets()
def makeWidgets(self):
""" Make the time label. """
l = Label(self, textvariable=self.timestr)
self._setTime(self._elapsedtime)
l.pack(fill=X, expand=NO, pady=2, padx=2)
def _update(self):
""" Update the label with elapsed time. """
self._elapsedtime = time.time() - self._start
self._setTime(self._elapsedtime)
self._timer = self.after(50, self._update)
def _setTime(self, elap):
""" Set the time string to Minutes:Seconds:Hundreths """
minutes = int(elap/60)
seconds = int(elap - minutes*60.0)
hseconds = int((elap - minutes*60.0 - seconds)*100)
self.timestr.set('%02d:%02d:%02d' % (minutes, seconds, hseconds))
def Start(self):
""" Marche du chrono si arrêt. """
if not self._running:
self._start = time.time() - self._elapsedtime
self._update()
self._running = 1
def Stop(self):
""" Arrêt du chrono si en marche. """
if self._running:
self.after_cancel(self._timer)
self._elapsedtime = time.time() - self._start
self._setTime(self._elapsedtime)
self._running = 0
def Reset(self):
""" Raz du chrono. """
self._start = time.time()
self._elapsedtime = 0.0
self._setTime(self._elapsedtime)
def get(self) :
return self._running
def masw(Event,sw):
if sw.get() :
sw.Stop
print ('stop')
else:
sw.Start
print ('start')
def main():
root = Tk()
sw = Chronometre(root)
sw.pack(side=TOP)
Button(root, text='Start', command=sw.Start).pack(side=LEFT)
Button(root, text='Stop', command=sw.Stop).pack(side=LEFT)
Button(root, text='Reset', command=sw.Reset).pack(side=LEFT)
Button(root, text='Quit', command=root.quit).pack(side=LEFT)
root.bind("<KeyPress-space>",lambda Event=Event, sw=sw :masw(Event,sw))
root.mainloop()
if __name__ == '__main__':
main() |
