[R-SIG-Mac] Undo/Redo in GUI

Rob J Goedman goedman at mac.com
Thu Dec 9 18:43:24 CET 2004

Some time ago I promised to look into this issue. With Cocoa's undo 
it is indeed not hard to solve, but for R.app it turns out a proper 
solution will take
significant work - R Console and other windows should all become 
'proper' windows.
If not, undo/redo in the menu bar will get very confused.

Hence, at least for now, it will remain as Ben describes (redo to the 
rescue :-),
sorry about that,

On Nov 26, 2004, at 9:50 AM, Rob J Goedman wrote:

> The behaviour of Undo/Redo in GUI right now indeed seems to be 
> all-or-nothing. Got an idea how
> to fix that - I'll give it a try.

> On Nov 26, 2004, at 3:10 AM, Benjamin Lauderdale wrote:
>> Using the Mac GUI, R version 2.0.1 (as well as 2.0.0), the undo 
>> command undoes way too much.  I have had times where I was editing 
>> code, made a typo, unconsciously hit undo, and saw the entire 
>> document disappear.  Other times it goes back to what looks like the 
>> state when I opened the file during the current session.  Thankfully 
>> the redo command works, but this scares me every time it happens, my 
>> peace of mind would be helped by making the undo command a bit less 
>> aggressive.
>> My apologies if this is a known issue.
>> Thanks,
>> Ben Lauderdale
>> Economic History
>> Ludvig Maximilians Universität
>> Munich, Germany
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>> R-SIG-Mac at stat.math.ethz.ch
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