selective accepts

• To: clim@BBN.COM
• Subject: selective accepts
• From: Tom Trinko <ttrinko@dipl.rdd.lmsc.lockheed.com>
• Date: Tue, 25 Aug 92 13:54:30 PDT

This is probably a simple question but I'm having trouble with accept using
genera 8.1 and clim 1.1.  I have a number of different objects displayed which
all use the same presentation type.  When I start a certain activity, which
allows the user to select a series of nodes in a graph, I want to have only 
those nodes which are directly connected to the last node be mouse sensative.
I also don't want the lines which connect the nodes to be mouse sensitve even 
though they use the same presentation type as the nodes.  

The accept statement looks like this`
   (accept '((class :connected-with last-node)...

The parameters are used correctly because when you've been prompted to make a 
selection if you hit the help key you get a list of only the directly connected
nodes.  Unfortunetly all of the objects are mouse sensitive if you move the 
mouse over them.  

I checked and determined that both presentation-typep and presentation-subtypep
are returning the correct values, ie when the mouse moves over an object other
than the nearest nodes presentation-typep returns nil and presentation subtypep
returns (nil,t).

I'd appreciate any help, also I'd like to know what I can modify to control
which objects are hightlited when the mouse moves over them.  I thought that was
partially controlled by accept and presentation-typep but I guess I was wrong.

thanks for any help.  

• selective accepts
• From: Scott McKay <SWM@stony-brook.scrc.symbolics.com>

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