Re: How to eliminate flickers when swapping frames?

I don't see any flicker when I run that.

On Tue, Mar 27, 2018 at 2:57 PM, Nam Nguyen via Tkinter-discuss <
[email protected]> wrote:

> A simple reprod code:
>
> import tkinter as tk
> from tkinter import font
>
>
> root = tk.Tk()
> root.minsize(1280, 800)
> root.bind('<Escape>', lambda _: root.quit())
>
> my_font = font.Font(root, 'Sans 128 bold')
> f_1 = tk.Frame(root)
> tk.Button(f_1, text='Frame 1', font=my_font).pack(
>     expand=True, fill=tk.BOTH)
> f_2 = tk.Frame(root)
> tk.Button(f_2, text='Frame 2'[::-1], font=my_font).pack(
>     expand=True, fill=tk.BOTH)
>
> f_1.pack(expand=True, fill=tk.BOTH)
> current = f_1
>
> def flip():
>   global current
>   current.pack_forget()
>   if current is f_1:
>     current = f_2
>   else:
>     current = f_1
>   current.pack(expand=True, fill=tk.BOTH)
>   root.after(1000, flip)
>
> root.after(1000, flip)
> root.mainloop()
>
> Nam
>
> On Tue, Mar 27, 2018 at 8:29 AM, Nam Nguyen <[email protected]> wrote:
>
>> Hi list,
>>
>> I have several ttk.Frames belonging to the same parent (master, but I try
>> not to use that word) that are swapped in and out depending on some
>> external event.
>>
>> What I observe so far is there is some flickering every time a frame is
>> swapped out and another swapped in. I have tried using both place and pack
>> geometry managers.
>>
>> Do you have any tip/trick to eliminate this flickering?
>>
>> Thanks!
>> Nam
>>
>
>
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>

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