80 lines
2.2 KiB
Python
Executable File
80 lines
2.2 KiB
Python
Executable File
#!/usr/bin/python
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from Tkinter import *
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import time, math
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class StopWatch(Frame):
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""" Implement a stopwatch frame widget """
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msec = 420
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def __init__(self, parent=None, **kw):
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Frame.__init__(self, parent, kw)
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self._start = 0.0
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self._elapsed = 0.0
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self._running = False
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self.timestr = StringVar()
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self.makeWidgets()
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def makeWidgets(self):
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l = Label(self, textvariable=self.timestr,
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font = "Helvetica 36 bold",
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bg = "Grey20", fg = "Yellow",
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padx = 30, pady = 30)
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self._setTime(self._elapsed)
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l.pack(fill=X, expand=YES, pady=0, padx=0)
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def _update(self):
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self._elapsed = time.time() - self._start
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self._setTime(self._elapsed)
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self._timer = self.after(self.msec, self._update)
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def _setTime(self, elap):
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minutes = int(elap/60)
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seconds = int(elap - (minutes*60.0))
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fl = math.floor(elap)
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hseconds = int((elap - fl)*100)
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self.timestr.set('%03dm%02d.%02d' % \
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(minutes, seconds, hseconds))
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def Start(self):
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if not self._running:
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self._start = time.time() - self._elapsed
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self._update()
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self._running = True
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def Stop(self):
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if self._running:
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self.after_cancel(self._timer)
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self._elapsed = time.time() - self._start
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self._setTime(self._elapsed)
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self._running = False
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def Reset(self):
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""" reset the stopwath to 000m00.00 """
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self._start = time.time()
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self._elapsed = 0.0
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self._setTime(self._elapsed)
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def Dump(self):
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""" Display internals variables """
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print "start = ", self._start
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print "elapsed = ", self._elapsed
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print "refresh = ", self.msec
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print "running = ", self._running
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# print "timestr = ", self.timestr
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def About(self):
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print "A kludge by tTh"
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# --------------------------------------------------------------------
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if __name__ == '__main__':
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def main():
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root = Tk()
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root.title("Chronometre")
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sw = StopWatch(root)
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sw.pack(side=TOP)
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Button(root, text='Start', command=sw.Start).pack(side=LEFT)
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Button(root, text='Stop', command=sw.Stop).pack(side=LEFT)
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Button(root, text='Reset', command=sw.Reset).pack(side=LEFT)
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Button(root, text='Dump', command=sw.Dump).pack(side=LEFT)
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Button(root, text='Quit', command=root.quit).pack(side=LEFT)
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root.mainloop()
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main()
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