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""" Demonstration of the Pmw Counter megawidget.
"""
# Import Pmw from the sibling directory.
import sys
sys.path[:0] = ['../../..']
import string
import time
import Tkinter
import Pmw
class Demo:
def __init__(self, parent):
# Need to use long ints here because on the Macintosh the maximum size
# of an integer is smaller than the value returned by time.time().
now = (long(time.time()) / 300) * 300
# Create the Counters.
self._date = Pmw.Counter(parent,
labelpos = 'w',
label_text = 'Date:',
entryfield_value = time.strftime('%d/%m/%Y',time.gmtime(now)),
entryfield_command = self.execute,
entryfield_validate = 'date_dmy',
datatype='date_dmy4')
self._time = Pmw.Counter(parent,
labelpos = 'w',
label_text = 'Time:',
entryfield_value = time.strftime('%H:%M:%S',time.gmtime(now)),
entryfield_validate = 'time24',
datatype='time24',
increment=5*60)
self._real = Pmw.Counter(parent,
labelpos = 'w',
label_text = 'Real:',
entryfield_value = 1.5,
datatype = 'real',
entryfield_validate = 'real',
increment = 0.1,
max = 5.0,
min = 0.0)
self._int = Pmw.Counter(parent,
labelpos = 'w',
label_text = 'Integer:',
orient = 'vertical',
min = 0,
max = 99,
entry_width = 2,
entryfield_value = 50,
entryfield_validate='integer',
entryfield_maxwidth=3)
counters = (self._date, self._time, self._real)
Pmw.alignlabels(counters)
# Pack them all.
for counter in counters:
counter.pack(fill='x', expand=1, padx=10, pady=5)
self._int.pack(padx=10, pady=5)
def execute(self):
print 'Return pressed, value is', self._date.get()
######################################################################
# Create demo in root window for testing.
if __name__ == '__main__':
root = Tkinter.Tk()
Pmw.initialise(root, fontScheme = 'pmw1')
root.title('Pmw Counter demonstration')
exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
exitButton.pack(side = 'bottom')
widget = Demo(root)
root.mainloop()
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