Re: TT 3.78 -- editable numbers and text pads

Currently, if you drop a "5/" is changes to "5", so changing that to 
"/5" would not create any inconsistency, has a reasonable story to it, 
is backwards compatible (and would probably save a few tools / demos), 
and would seemingly satisfy the principle of least effort (both on your 
side and the users'). I vote for this solution.

Ken Kahn wrote:

> Hi all.
>  
> A good question about how to compute k/l. One answer is that is you 
> pick up l and press the left arrow key until the caret is at the far 
> left and then type /. I like this answer except that it can require 
> lots of keystrokes. And with 1/3 in a shrinking digit format it'll 
> take an infinite number of them. For numbers up arrow and down arrow 
> do nothing so they could mean go to the beginning and end 
> respectively. But that is odd and not consistent with text pads.
>  
> I could make "5/" become "/5" when dropped. A bit odd but backwards 
> compatible. Unless I hear a better solution I'll implement this.
>  
> Best,
>  
> -ken
>
>     ----- Original Message -----
>     From: Yishay Mor <mailto:[email protected]>
>     To: weblabs-requests <mailto:[email protected]>
>     Sent: Friday, June 11, 2004 10:54 AM
>     Subject: Re: [WebLabs-requests] TT 3.78 -- editable numbers and
>     text pads
>
>     Wow! I never thought it would feel so good to hit the arrow keys!
>     Thanks
>     Ken!
>
>     Everyone - please grab a copy and try it for 10-15 minutes at least.
>     This is a major UI change, which I suspect also entailed some
>     non-trivial internal changes. It is important to make sure we have
>     this
>     right.
>
>     Personally, I haven't found any bugs yet, but I have a conceptual
>     puzzle:
>     Say I have two numbers, k and l, and I want to compute k/l.
>     previously,
>     I would pick up l, hit / and drop it on k. That doesn't work anymore.
>     (same for any  operation other than +). So, what's the alternative?
>
>     - Yishay
>
>
>     Ken Kahn wrote:
>
>     >Hi all.
>     >
>     >This release has a major enhancement in how you can edit numbers and
>     >text pads.
>     >
>     >Both now support arrow key editing.
>     >
>     >Numbers can be typed now even when an intermediate state isn't
>     sensible.
>     >E.g. 2/ or -.0  It is only when you drop them or stop pointing to
>     them
>     >that they switch to their canonical form (or their previous value
>     if a
>     >syntactically incorrect number is typed).
>     >
>     >Enjoy.
>     >
>     >TT378.zip is on ftp://weblabs.eu.com/ToonTalk/Releases/
>     >
>     >Best,
>     >
>     >-ken
>     >
>     >
>     >
>     >
>     >
>     >
>     >Yahoo! Groups Links
>     >
>     >
>     >
>     >
>     >
>     >
>     > 
>     >
>
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