LoFPlayer -- Apparent Connectors bug ...

stéphane ducasse ducasse at iam.unibe.ch
Thu Feb 17 08:13:05 UTC 2005


that's a doc :)

On 17 févr. 05, at 3:38, Art Collings wrote:

>
> Oh ... FYI, in writing the below, I used Connectors2 extensively. I 
> noticed the following apparent bug:
>
> 1. Place a Connector in a pasteUpMorph / playfield .
>
> 2. Move the playfield -- everything works fine, the Connector stays in 
> place in the playfield.
>
> 3. Move one of the ends of the Connector.
>
> 4. Now when the playfield is moved, the Connector drops down to the 
> world below.
>
> A number of variations on this theme cause similar behaviour, all 
> related to dragging the lineEndConstraints which then are apparently 
> no longer owned by
> the playfield. This behaviour occurs (relatively harmlessly) in my 
> application which has subclassed Connectors, and also in the 
> non-subclassed  variety.
>
> - Art
>
> On Feb 16, 2005, at 9:27 PM, Art Collings wrote:
>
>> Hi,
>>
>> I've recently posted a prototype 'Laws of Form' package/application 
>> to Squeak Map & Squeak Source: ( LoFPlayer1). Based on G. 
>> Spencer-Brown's book of the same name.
>> It's the first Squeak application I've ever written.
>>
>> I'm told that some of the early squeakers would be likely to have had 
>> some exposure to the book/ideas. ...
>>
>> There's a PDF posted at 
>> http://homepage.mac.com/otter/LoFPlayer1_Instructions.pdf . (Requires 
>> Connectors2.) Naturally, any feedback (n.p.i.) would be appreciated.
>>
>> - Art
>>
>>
>
>




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