| Server IP : 172.67.174.47 / Your IP : 216.73.216.87 Web Server : LiteSpeed System : Linux premium151.web-hosting.com 4.18.0-553.44.1.lve.el8.x86_64 #1 SMP Thu Mar 13 14:29:12 UTC 2025 x86_64 User : tempvsty ( 647) PHP Version : 8.0.30 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : OFF | Pkexec : OFF Directory : /././././proc/thread-self/root/usr/lib64/python2.7/Demo/tkinter/matt/ |
Upload File : |
from Tkinter import *
import string
# This program shows how to make a typein box shadow a program variable.
class App(Frame):
def __init__(self, master=None):
Frame.__init__(self, master)
self.pack()
self.entrythingy = Entry(self)
self.entrythingy.pack()
self.button = Button(self, text="Uppercase The Entry",
command=self.upper)
self.button.pack()
# here we have the text in the entry widget tied to a variable.
# changes in the variable are echoed in the widget and vice versa.
# Very handy.
# there are other Variable types. See Tkinter.py for all
# the other variable types that can be shadowed
self.contents = StringVar()
self.contents.set("this is a variable")
self.entrythingy.config(textvariable=self.contents)
# and here we get a callback when the user hits return. we could
# make the key that triggers the callback anything we wanted to.
# other typical options might be <Key-Tab> or <Key> (for anything)
self.entrythingy.bind('<Key-Return>', self.print_contents)
def upper(self):
# notice here, we don't actually refer to the entry box.
# we just operate on the string variable and we
# because it's being looked at by the entry widget, changing
# the variable changes the entry widget display automatically.
# the strange get/set operators are clunky, true...
str = string.upper(self.contents.get())
self.contents.set(str)
def print_contents(self, event):
print "hi. contents of entry is now ---->", self.contents.get()
root = App()
root.master.title("Foo")
root.mainloop()