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[Bug swing/24651] JMenu layout problem with nested menus


From: roman at kennke dot org
Subject: [Bug swing/24651] JMenu layout problem with nested menus
Date: 9 Nov 2005 15:30:39 -0000


------- Comment #25 from roman at kennke dot org  2005-11-09 15:30 -------
Subject: Re:  JMenu layout problem with nested menus

Hi Norman,

Am Mittwoch, den 09.11.2005, 13:44 +0000 schrieb hendrich at informatik
dot uni-hamburg dot de:
> 
> ------- Comment #24 from hendrich at informatik dot uni-hamburg dot de  
> 2005-11-09 13:44 -------
> > Hey this is a nice app! This can serve us as a testapplication for regular
> > testing. Would you mind distributing this under a free software license? 
> > Then
> > we could also add it to our Wiki section FreeSwingApps..
> 
> Consider it free to use for classpath development :-)  (make that LGPL).

Cool.


> > A first run of the app shows no big performance problems here. The popup 
> > menus
> > come up reasonably fast (could be better, but surely not several seconds. my
> > feeling is slightly less than 1sec). Also I see no flickering.
> 
> Surprising. Are you using jamvm or gcj or something else? I always thought
> my Ahtlon 2600+ was fast enough (and it was with classpath only three weeks
> ago)... open the popup-menu and select different submenu entries: actually
> takes seconds on my system.

Really strange. I tried with JamVM1.3.3 and current Classpath. I even
installed and tried ctwm, but it still is reasonably fast (at least with
opening menus). I have an Athlon1500MHz. I opened in my home dir and it
found ~10000 images of different sizes (from icons to some hundred
really big (~screensized) images). It took a long while to start up, but
when the app runs, then opening menus is ok. What is going slow here is
scrolling the tree. But that is a different issue.

Do you have any more hints what could cause the performance loss? Is the
CPU actually working when you open a menu, or is it at 0% (maybe a
locking issue).

/Roman


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24651





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