[cells-devel] Cello: ^mouse-over-p not firing ...

[Ken Tilton]

Frank Goenninger wrote:
> Hi Kenny,
> 
> once again a question concerning Cello:
> 
> I'd like to know when the mouse pointer is over a certain Cello  Widget 
> to do things like changing a button's text color or displaying  tooltips 
> or ...
> 
> I searched Cello code and found ^mouse-over-p to be coded as part of  
> the mouse-view-tracker model. The class is part of the superclasses  of 
> ix-togl of which gnc-togl is derived. Unfortunately the mouse-over- p 
> slot always indicates only the "top1" instance to be the object  where 
> the mouse pointer is (all this in flle ix-togl.lisp).
> 
> The code calls find-ix-under and mouseview-control indicating that  the 
> widget's class has to have the control class in its superclass  list ...
> 
> So, question is: How to actually detect that a certain object has the  
> mouse pointer over it?
> 
> If you still can remember  ... ;-)

No, but a little searching suggests mouse-over? has replaced 
mouse-over-p. Check that out and lemme know if it helps.

kt