Pmw EntryField validation: real number min max
#Pmw copyright
#Copyright 1997-1999 Telstra Corporation Limited, Australia
#Copyright 2000-2002 Really Good Software Pty Ltd, Australia
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is furnished
#to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in all
#copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
#INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
#PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
#HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
#OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
#SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import time, string
from Tkinter import *
import Pmw
class EntryValidation:
def __init__(self, master):
self._real = Pmw.EntryField(master,
labelpos = 'w', value = '127.2',
label_text = 'Real (50.0 to 1099.0):',
validate = {'validator':'real',
'min':50, 'max':1099,
'minstrict':0},
modifiedcommand = self.valueChanged)
fields = [self._real]
for field in fields:
field.pack(fill='x', expand=1, padx=12, pady=8)
Pmw.alignlabels(fields)
self._real.component('entry').focus_set()
def valueChanged(self):
print 'Value changed, value is', self._real.get()
######################################################################
if __name__ == '__main__':
root = Tk()
root.option_add('*Font', 'Verdana 10 bold')
root.option_add('*EntryField.Entry.Font', 'Courier 10')
root.option_add('*EntryField.errorbackground', 'yellow')
Pmw.initialise(root, useTkOptionDb=1)
root.title('Pmw EntryField Validation')
quit = Button(root, text='Quit', command=root.destroy)
quit.pack(side = 'bottom')
top = EntryValidation(root)
root.mainloop()
Related examples in the same category
