Re: Tooltips - what a pathetic joke... :)
Re: Tooltips - what a pathetic joke... :)
- Subject: Re: Tooltips - what a pathetic joke... :)
- From: Brian Webster <email@hidden>
- Date: Sat, 14 Dec 2002 09:05:43 -0600
On Saturday, December 14, 2002, at 08:40 AM,
email@hidden 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@hidden
http://homepage.mac.com/bwebster
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