Re: Bug in tooltip handling

[Nick Roberts]

 > The only drawback of this is that I load too much (the whole GUD stuff
 > instead of only the tooltip functionality), thus consuming a little more
 > memory than necessary. Another drawback is that on every mouse event
 > `gud-tooltip-tips' is executed (returning nil). If this is all, that's
 > no big problem for me.

It returns nil in buffers where GUD tooltips are not meant to work i.e
when the major-mode is not a member of gud-tooltip-modes.

I think thats the problem of just adding to tooltip-hook.  You have a list
of functions and the last non-nil one wins.

 > Anyway, I think those event-based tooltips are useful for a lot of tasks
 > where calculation of the tooltip contents is time-intensive and should
 > not be performed beforehand. So splitting it out into an own library
 > `event-tooltip' or so would be a good idea.

Well, it's part of the answer.

-- 
Nick                                           http://www.inet.net.nz/~nickrob