Hi all,
I have this test (below). What I'm trying to do is when the user clicks
on the '7' button, 7 will appear in the disabled entry widget. My
problem is, when the script starts, it automatically throws '7' in to
the entry widget, and nothing happens when the '7' button is clicked.
Might this be an issue where I have to use a StringVar, or is this just
my bad logic?
Thanks!
-M.
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#!/usr/bin/env python
from Tkinter import *
class SmallTest (Frame):
def __init__ (self, parent = None):
# Class 'constants'
self.title = "SmallTest"
# Set title and border width
self.root = Tk ()
self.root.title (self.title)
self.root.config (borderwidth = 3)
self.root.resizable (width = False, height = False)
# Initialize Frame object
Frame.__init__ (self, parent)
self.pack (fill = 'both', expand = 'yes')
# Populate the window
self.place = 0
self.create_widgets ()
def create_widgets (self):
# Create the main frame
self.mainframe = Frame (self, borderwidth = 2)
self.mainframe.pack (expand = 'yes', fill = 'both', side = TOP)
# Create the display
self.entryframe = Frame (self.mainframe, borderwidth = 2)
self.entryframe.pack (expand = 'yes', fill = 'both', side = TOP)
self.entry = Entry (self.entryframe, justify = RIGHT, state =
DISABLED)
self.entry.pack (expand = 'yes', fill = 'x', side = TOP)
# Create the number and operator buttons
self.topbuttonframe = Frame (self.mainframe, borderwidth = 2)
self.topbuttonframe.pack (expand = 'yes', fill = 'both', side =
TOP)
self.button7 = Button (self.topbuttonframe, text = "7", width =
2, command = self.buttonAction ('7'))
self.button7.pack (expand = 'yes', fill = 'both', side = LEFT)
def buttonAction (self, action = '+'):
self.entry["state"] = NORMAL
self.entry.insert (self.place, action)
self.place = self.place + 1
self.entry["state"] = DISABLED
if (__name__ == "__main__"):
a = SmallTest ()
a.mainloop ()
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