Re: [Denemo-devel] Undo during playback

[Richard Shann]

On Mon, 2011-01-31 at 09:21 +0000, Richard Shann wrote:
> Nils reported a crash using undo during playback. It looks like this
> would happen if the undo involved a snapshot, since the entire
> DenemoScore is being replaced which the playback is using.
> However, I have not been able to provoke such a crash.
Looking at the code I can see how it could happen - basically returning
to a snapshot taken when a different midi playback was instantiated.
Richard


> I have code ready to stop playback if the Undo/Redo triggers a snapshot
> - you would still be able to tinker around with notes adding, deleting,
> changing etc, just not change the score title or add a staff etc.
> But I am not sure if I should commit it - Nils' crash may have been
> un-related... Need more feedback.
> 
> Richard
> 
> 
> 
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