To grab or not to grab

[Matt Denton]

Hi Geoff,

Whoops!  Yes bad form, I usually (truly!) use this non-event hogging 
form (Old HC habits die hard you know...); I guess I was being a lazy 
typist as I was really looking for an answer on how to drag an object 
from within a group and have it crop at the boundaries without using 
the 'grab' form.

Geoff, any clues how I might get an object to stay within the rect of 
its contained group?  I tested the form below (my original code was 
similar to this) but it doesn't work,

Cheers,

M@
Matt Denton


On Wednesday, January 29, 2003, at 05:37 PM, Geoff Canyon 
<gcanyon at inspiredlogic.com> wrote:

> You'd be better off doing something like:
>
> local tDragging -- are we currently dragging?
>
> on mouseDown
>    -- check the target here to see if it's what you want
>    put true into tDragging
> end mouseDown
>
> on mouseMove
>    if not tDragging then exit mouseMove
>    --move the objects here
> end mouseMove
>
> on mouseUp
>    put false into tDragging
> end mouseUp
>
> on mouseRelease
>    put false into tDragging
> end mouseRelease
>
> On Monday, January 27, 2003, at 09:12 PM, Matt Denton wrote:
>
>> on mouseDown
>>   if the optionKey is down then
>>     repeat until the mouse is up
>>       set the loc of me to the mouseLoc
>>     end repeat
>>   else grab me
>> end mouseDown
>>

M@
Matt Denton
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