Actually, somebody else sent me
mytextbox.insert(END, "\n"+textfordisplay)
...which seems to work fine. Thanks, though.
Michael Lange wrote:
>
> Hi,
>
> Thus spoketh irvinicus <irvini...@yahoo.com>
> unto us on Fri, 10 Dec 2010 16:15:27 -0800 (PST):
>
>>
>> I'm using the text widget to give ongoing updates to the user. When
>> something happens in the program, I want to add an update to the user
>> in the text widget.
>>
>> But I can't figure out how to add each new update onto it's own new
>> line. I've looked through the documentation, but I don't see any
>> methods that would help me, so I figured I could just use the index END
>> and use modifiers on it, but no such luck.
>>
>> Here's my script (my italics, obviously):
>>
>> from Tkinter import * # I import Tkinter into my Python script.
>>
>> ... # Blah blah blah
>>
>> mytextbox.insert(END + 1 lines, textfordisplay)
>> # The interpreter stops and tells me that lines is "invalid syntax".
>
> Tkinter.END is simply a constant representing the string "end", so you
> would have to write
>
> mytextbox.insert(END + " + 1 lines", textfordisplay)
> or
> mytextbox.insert("end + 1 lines", textfordisplay)
>
> However at least here (debian linux, tk-8.4), this does not work as
> expected, when I repeatedly type
>
> mytextbox.insert('end + 1 lines', 'foobar')
>
> the "foobars" are all appended to the end of the same last line. I guess
> this because "end" means "end", and this method is only valid for other
> indices, like "insert" and so on.
>
> So if you want to add an empty line to the end of the text widget, the
> most obvious way is to do:
>
> mytextbox.insert(END, os.linesep)
>
> or, if you want to save a line,
>
> mytextbox.insert(END, os.linesep + textfordisplay)
>
> but be careful, this might cause unexpected unicode errors if
> "textfordisplay" contains any non-ascii characters.
>
> For more details on text indices see:
>
> http://www.tcl.tk/man/tcl8.4/TkCmd/text.htm#M18
>
> I hope this helps
>
> Michael
>
>
> .-.. .. ...- . .-.. --- -. --. .- -. -.. .--. .-. --- ... .--. . .-.
>
> Uncontrolled power will turn even saints into savages. And we can all
> be counted on to live down to our lowest impulses.
> -- Parmen, "Plato's Stepchildren", stardate 5784.3
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>
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