From: nornagon <nornagon@...>
Date: 2005-05-24T15:40:25+09:00
Subject: Re: Tk read-only text box

On 5/24/05, Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp> wrote:
> From: nornagon <nornagon@gmail.com>
> Subject: Tk read-only text box
> Date: Tue, 24 May 2005 06:56:06 +0900
> Message-ID: <14d6153305052314567ab0b4d9@mail.gmail.com>
> > I need something with the same functionality; I would like the user to
> > be able to select the text and scroll through it, but not edit it.
> > Also, I need to be able to change its contents dynamically.
> 
> Hmmm.... Probably there are some ways.
> One of the ways is "block Key events".
> To do that, please use Tk.callback_break.
> For example,
> ---------------------------------------------------
> require 'tk'
> t = TkText.new.pack
> t.bindtags_unshift(b = TkBindTag.new)
> b.bind('Key', proc{ Tk.callback_break })
> 
> t.insert(:end, "This is a test message.\n");
> 
> Tk.after(10000){t.insert(:end, "This is another test message.\n")}
> 
> Tk.mainloop
> ---------------------------------------------------

Interesting. Could you tell me how that works, exactly? Like, what's
bindtags_unshift do? What's a BindTag, even?

Thanks a lot for your patience. ^_^

-- 
- nornagon