[Ktechlab-devel] corrupted circuits

[Julian Bäume]

moin,
After playing around with KTechLab and fixing some bugs, I finally found a way 
to reproduce the corrupted-circuits problem.

Create a simple circuit (I needed at least 3 components to reproduce.), save 
it. Delete a wire, add it again. Save it. Close the document, reopen. Find at 
least one wire missing.

I don't really know, what happens in larger circuits. Are there more 
connections missing? IIRC, I've had an example, where 2 wires were missing, 
but I'm not sure about this. Any missing components, or is this a missing-
wire-only problem?

Zoltan spotted a crash mentioned in the wiki and while looking at the back-
traces and corresponding code (CircuitICNDocument::~CircuitICNDocument()), I 
suspect this method to be very hacky. I don't know if this is related, since 
saving should be finished before the destructor is called. But the comment on 
line 43 triggered something in my brain ;) I also the next lines make no sense 
to me. First connectorsToDelete->clear() is called, after that the list is 
iterated. WTF?

I will have a look at the whole issue.

bye then
julian
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