On 24 April 2013 18:53, Chris “Kwpolska” Warrick <kwpol...@gmail.com> wrote:
> On Wed, Apr 24, 2013 at 7:08 PM, Daniel Kersgaard
> <danielkersga...@gmail.com> wrote:
>> Today, being the last day of lectures at school, my instructor ran briefly
>> through Tkninter and GUIs. I'd been looking forward to this particular
>> lesson all semester, but when I got home and copied a sample program from my
>> textbook verbatim, IDLE does nothing. No error, no nothing. Any ideas? Here
>> is the code from my program. I'm not sure if this is appropriate, but
>> suggestions are helpful.
>>
>> import tkinter
>> import tkinter.messagebox
>>
>> class MyGui:
>> def _init_(self):
>> self.main_window = tkinter.Tk()
>>
>> self.top_frame = tkinter.Frame(self.main_window)
>> self.bottom_frame = tkinter.Frame(self.main_window)
>>
>> self.prompt_label = tkinter.Label(self.top_frame, text = 'Enter a
>> distance in Kilometers: ')
>> self.kilo_entry = tkinter.Entry(self.top_frame, width = 10)
>>
>> self.prompt_label.pack(side = 'left')
>> self.kilo_entry.pack(side = 'left')
>>
>> self.calc_button = tkinter.Button(self.bottom_frame, text =
>> 'Convert', command = self.convert)
>>
>> self.quit_button = tkinter.Button(self.bottom_frame, text = 'Quit',
>> command = self.main_window.destroy)
>>
>> self.calc_button.pack(side = 'left')
>> self.quit_button.pack(side = 'left')
>>
>> self.top_frame.pack()
>> self.bottom_frame.pack()
>>
>> tkinter.mainloop()
>>
>> def convert(self):
>> kilo = float(self.kilo_entry.get())
>>
>> miles = kilo * 0.6214
>>
>> tkinter.messagebox.showinfo('Result', str(kilo) + ' kilometers is
>> equal to ' + str(miles) + 'miles.')
>>
>> poop = MyGui()
>>
>> --
>> http://mail.python.org/mailman/listinfo/python-list
>
> poop? Seriously? You aren’t serious about that copying, right?
>
> Your code seems to be missing a lot of important stuff. You don’t
> inherit from tkinter.Frame. Compare your program to the sample “Hello
> world!” program:
His class is not a frame, it's just a container for the tkinter code.
It's a bit unusual but it looks correct to me (apart from the single
underscores in __init__() as spotted by Ned Batchelder).
--
Arnaud
--
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