----- Original Message -----
From: <diegogomezdeck at consultar.com>
To: <squeak-dev at lists.squeakfoundation.org>
Sent: Sunday, March 16, 2003 10:21 AM
Subject: [MCP] [Q] Color change notification



>
> We are thinking about refactor this code with change nofification.  The
> idea is to add in Morph a method called #onColorChange.
>
>    Morph>>color: aColor
>       "change the receiver's color"
>
>       <... old code...>
>
>       self onColorChange.
>
>
>    Morph>>onColorChange
>       "the receiver's color was just changed."
>
>       ^ self
>
, eventually, send the previous and the new color.)
>
> What do you think?
>

What about triggering a #colorChanged event in the color: method? (and take
out "self changed").  Then any morph can express an interest in recieving
color change events from the morph.