Re: Tooltips - what a pathetic joke... :)

FROM : Brian Webster
DATE : Sat Dec 14 16:05:43 2002

On Saturday, December 14, 2002, at 08:40 AM,
<email_removed> wrote:

> On Saturday, December 14, 2002, at 02:24 AM, Steve Gehrman wrote:
>
>> I added tool tips to a view, then tried to scroll the view.  The
>> performance was pathetic.  When a view scrolls the NSToolTipManager
>> has to reposition all the tooltip tracking areas and is super slow.
>> So slow that I'll have to write my own home grown tooltip manager.
>> Why is simple stuff like this so pathetic in Cocoa?
>>
>> Has anyone done this already?  Any Cocoa engineers have a secret
>> undocumented hacks that make this feature usable?
>
> I just made a new app with a view with a tool tip in a scroll view and
> I didn't see anything wrong with scrolling. Then I made 3 views, with
> different tool tips in a scrollview and it scrolled fast. Is there
> something else you are doing?

I've just run up against a similar problem to Steve's in one of my
apps, where I have a table view where I want to have tooltips for many
of the cells.  It seems that the tool tip manager does not perform well
for moderate or large numbers of tooltips in a view.  I'm guessing the
problem doesn't really show up with 3 tooltips as in your example, but
my app could easily have 60-120 tooltips to keep track of, in a table
with 4-6 columns and 15-20 rows.  I'm afraid I don't have any solution
for the problem (yet), but just wanted to chime in to confirm the
problem.

--
Brian Webster
<email_removed>
http://homepage.mac.com/bwebster
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