I found the problem. Thank you for the reply. On Thursday 29 November 2007 19:56:57 Giovanni Bajo wrote: > On 11/29/2007 12:03 PM, Fred wrote: > > I've got a difficult to track problem. I'm creating a game to learn PyQt > > and I'm sure I am missing something really, really obvious, but still: > > can't find it. > > > > I made a grid of tiles. Every tile is a graphicsItem on a scene. I've > > made a dictionary of tiles where the key is the coordinates on the grid > > (x,y) and the content is (a reference to) the qgraphicsItem. > > > > On a certain point in the game, during a mousepressevent, I need to > > remove a certain amount of tiles. In a for loop I remove the > > qgraphicsitem from the scene and from the dictionary and I delete the > > item itself (del item). > > > > Then, when it enters the eventloop again, it segfaults. I'm sure it has > > something to do with the way I delete the item's. When I delete it from > > the scene, but keep it in the dictionary, it works (well, it doesn't > > segfault). If I remove it from the dictionary, but not from the scene, it > > works too. My guess is that it works in those to cases, because the item > > itself is then not deleted. But I want it deleted. Somehow, when I get > > back into the eventloop, the removed items are still expected to be > > there. > > > > Any hints? > > We're short on magicians lately :) > > Please post a complete, runnable source code example that reproduces the > bug. But let me guess that you're doing something weird with ownership > of the items...
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