[Kstars-devel] weird issue in observing list

[Jason Harris]

Hello,

I started seeing a very odd behavior a few days ago, where the "Center" and 
"Details" buttons (and probably "Scope" too) in the observing list tool were 
non-functional.

I don't understand the problem, but I have a workaround.  Before I commit it, 
I was hoping people could test the Observing List tool, and report whether 
the Center/Scope/Details buttons work for them, and their current version of 
Qt and KDE.  I suspect the problem started when I updated kdelibs and Qt from 
svn recently.  If your tests support the hypothesis, I will send a bug report 
upstream.

(details of the problem follow, for those interested...)

I traced the problem to the fact that the "current()" pointer of the 
"QPtrList<SkyObject> obsList" variable in ObservingList is somehow being 
reset to NULL.  That is, at the end of slotNewSelection() (which is called 
when the set of highlighted objects in the Observing List Tool UI is 
changed), obsList.current() points to the highlighted object if one object is 
highlighted, and is NULL otherwise.  However, at the top of 
slotCenterObject() or any other button slot, obsList.current() is always 
NULL.


thanks,
Jason

-- 
KStars: KDE Planetarium
http://edu.kde.org/kstars