Une collection de notes diverses sur des trucs et astuces pour faire des choses avec un ordinateur...
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#!/usr/bin/python
from Tkinter import *
import time, math
class StopWatch(Frame):
""" Implement a stopwatch frame widget """
msec = 420
def __init__(self, parent=None, **kw):
Frame.__init__(self, parent, kw)
self._start = 0.0
self._elapsed = 0.0
self._running = False
self.timestr = StringVar()
self._label = None
self.makeWidgets()
def makeWidgets(self):
self._label = Label(self, textvariable=self.timestr,
font = "Helvetica 36 bold",
bg = "Grey20", fg = "Yellow",
padx = 30, pady = 30)
self._setTime(self._elapsed)
self._label.pack(fill=X, expand=YES, pady=0, padx=0)
def _update(self):
self._elapsed = time.time() - self._start
self._setTime(self._elapsed)
self._timer = self.after(self.msec, self._update)
def _setTime(self, elap):
minutes = int(elap/60)
seconds = int(elap - (minutes*60.0))
fl = math.floor(elap)
hseconds = int((elap - fl)*100)
self.timestr.set('%03dm%02d.%02d' % \
(minutes, seconds, hseconds))
def Start(self):
if not self._running:
self._start = time.time() - self._elapsed
self._update()
self._running = True
def Stop(self):
if self._running:
self.after_cancel(self._timer)
self._elapsed = time.time() - self._start
self._setTime(self._elapsed)
self._running = False
def Reset(self):
""" reset the stopwath to 000m00.00 """
self._start = time.time()
self._elapsed = 0.0
self._setTime(self._elapsed)
def Dump(self):
""" Display internals variables """
print "start = ", self._start
print "elapsed = ", self._elapsed
print "refresh = ", self.msec
print "running = ", self._running
# print "timestr = ", self.timestr
def About(self):
print "A kludge by tTh"
def build_controls(root):
frame = Frame(root)
sw = StopWatch(root)
sw.pack(side=TOP)
Button(frame, text='Start', command=sw.Start).pack(side=LEFT)
Button(frame, text='Stop', command=sw.Stop).pack(side=LEFT)
Button(frame, text='Reset', command=sw.Reset).pack(side=LEFT)
Button(frame, text='Dump', command=sw.Dump).pack(side=LEFT)
Button(frame, text='Quit', command=root.quit).pack(side=LEFT)
frame.pack(side=BOTTOM)
def onsize(*args, **kw):
print args[0].width, args[0].height
# --------------------------------------------------------------------
if __name__ == '__main__':
root = Tk()
root.title("Chronometre")
build_controls(root)
root.bind("<Configure>", onsize)
root.mainloop()