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title = 'Pmw.CounterDialog demonstration'
# Import Pmw from this directory tree.
import sys
sys.path[:0] = ['../../..']
import string
import tkinter
import Pmw
class Demo:
def __init__(self, parent):
# Create the dialog to prompt for the number of times to ring the bell.
self.dialog = Pmw.CounterDialog(parent,
label_text = 'Enter the number of times to\n' + \
'sound the bell (1 to 5)\n',
counter_labelpos = 'n',
entryfield_value = 2,
counter_datatype = 'numeric',
entryfield_validate =
{'validator' : 'numeric', 'min' : 1, 'max' : 5},
buttons = ('OK', 'Cancel'),
defaultbutton = 'OK',
title = 'Bell ringing',
command = self.execute)
self.dialog.withdraw()
# Create button to launch the dialog.
w = tkinter.Button(parent, text = 'Show counter dialog',
command = self.dialog.activate)
w.pack(padx = 8, pady = 8)
def execute(self, result):
if result is None or result == 'Cancel':
print('Bell ringing cancelled')
self.dialog.deactivate()
else:
count = self.dialog.get()
if not self.dialog.valid():
print('Invalid entry: "' + count + '"')
else:
print('Ringing the bell ' + count + ' times')
for num in range(int(count)):
if num != 0:
self.dialog.after(200)
self.dialog.bell()
self.dialog.deactivate()
######################################################################
# Create demo in root window for testing.
if __name__ == '__main__':
root = tkinter.Tk()
Pmw.initialise(root)
root.title(title)
exitButton = tkinter.Button(root, text = 'Exit', command = root.destroy)
exitButton.pack(side = 'bottom')
widget = Demo(root)
root.mainloop()
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