On Tue, Apr 14, 2015 at 8:38 AM, Tim Peeters
<tim.peet...@canonical.com> wrote:
From the fix you proposed, it appears that selectedIndex (and sort)
property is undefined some times. Are you using the value of that
property somewhere in C++?
The selectedIndex is -1 when there are no sections. My trick with
Math.max ensures that sort is 0 (where it would start off anyway) in
this case. Judging by the (lack of) calls to onSortChanged, my code is
going down the same paths with and without the fix.
The sort property is not used in any compiled code. It will affect the
order some compiled code runs in, but rather trivially. I have a C++
function to check whether a file exists on the filesystem. As sort
changes, the order in which files are checked will change.
A simpler test program to reproduce the issue would be very helpful.
[...] It is difficult to tell where the bug is, but if it appears to
come from UITK, can you report it as a bug here
https://bugs.launchpad.net/ubuntu/+source/ubuntu-ui-toolkit so we can
report future findings about the cause there also?
I haven't managed to build a minimal test case yet. I think the only
way to do this will be to tear parts out of my existing code until the
problem goes away. But this can be touchy, as you probably know, since
you can introduce other errors in the process. If I managed to get a
handle on this, I'll report a bug.
Thanks,
Robert
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