Re: TT 3.78 -- editable numbers and text pads

Hi all.

Don't make any long-lived robots in 3.78 that edit numbers or text pads. Such robots will work only 3.78. In 3.79 (coming soon) the robots know that they are a latter version that has the new text and number editing abilities. (If anyone has built stuff today they want to keep I can tell them how to edit the robot's version number to make them work in later ToonTalk versions.) Also old robots that edit number and text pads don't work in 3.78 (but will in 3.79 and above).

Regarding demos I took care that the old demos use the old code. So they should all work but I haven't tested them much.

I'll implement the "5/" becomes "/5" behavior very soon.

Best,

-ken
  ----- Original Message ----- 
  From: Yishay Mor 
  To: weblabs-requests 
  Sent: Friday, June 11, 2004 2:42 PM
  Subject: Re: [WebLabs-requests] 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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