> What exactly is meant by "widgets that layout themselves"- what is the
> right way to do this?
He means you can't control it at creation time, you would have to call
w.pack_configure() if you did not like the default options. There are
times however when you DO want a widget to pack itself..
from Tkinter import *
class LE(Frame):
def __init__(self, master, text):
Frame.__init__(self, master)
self.label = Label(self, text=text, font=("Courier New", 10))
self.label.pack(side=LEFT)
self.entry = Entry(self)
self.entry.pack(side=LEFT)
class LE2(Frame):
def __init__(self, master, text):
Frame.__init__(self, master)
self.label = Label(self, text=text, font=("Courier New", 10))
self.label.pack(side=LEFT)
self.entry = Entry(self)
self.entry.pack(side=LEFT)
self.pack()
class Win1(Frame):
def __init__(self, master=None):
Frame.__init__(self, master)
LE(self, 'name:').pack()
LE(self, ' age:').pack()
self.pack()
class Win2(Frame):
def __init__(self, master=None):
Frame.__init__(self, master)
LE(self, 'name:').pack(side=LEFT)
LE(self, ' age:').pack(side=LEFT)
self.pack()
class Win3(Frame):
def __init__(self, master=None):
Frame.__init__(self, master)
LE2(self, 'name:')
LE2(self, ' age:')
self.pack()
w1 = Win1()
w1.mainloop()
w2 = Win2()
w2.mainloop()
w3 = Win3()
w3.mainloop()
#-- this time use root --#
root = Tk()
LE(root, 'name:').pack(side=LEFT)
LE(root, ' age:').pack(side=LEFT)
root.mainloop()
It really does not matter because Tkinter is setup to auto create a
root window even if you don't.
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