Re: Canvas item proximity event?

>  I want to be able to receive events when the mouse cursor get close to a
>  canvas item, not just right over it. I can think of three solutions:
>  1. use some kind of built-in mechanism for this.

The canvas supports the use of a threshold value to determine if the
mouse is "in" an item or not.

This is controlled by the close_enough value in the GnomeCanvas
structure, which is specified in pixels.  Right now there is no API
to set this value, though, so you'll have to poke it by hand.


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