Restricting graphics to a field?

[Doug Lerner]

On 1/16/04 8:23 AM, "J. Landman Gay" <jacque at hyperactivesw.com> wrote:

> On 1/15/04 4:51 PM, Doug Lerner wrote:
> 
>> is there any way then to restrict graphics from being drawn on just certain
>> stacks and not others?
>> 
>> I would want people to draw on a "canvas" stack but not on top of a stack
>> where they are supposed to enter text into a field.
> 
> You could do something like this:
> 
> on checktool
>  if the tool <> "browse" then choose browse tool
>  send "checktool" to me in 10 milliseconds
> end checktool
> 
> Put it into the stacks you don't want altered, and on openstack trigger
> it by issuing a "checktool" command. You'd want to cancel the message
> when the painting stack opens so that the user can choose paint tools.
> Use resumestack handlers to restart the checking when the other stacks
> come to the front.

I'll look into this approach. Sounds interesting. Thanks.

doug