Re: [Audacity-quality] Fixing the interaction of Undo/Redo and Recording

[Peter S. <pet...@gm...>]

On Mon, Jan 15, 2018 at 1:07 AM, Paul Licameli <pau...@gm...>
wrote:

> I lately filed, and submitted fixes for, two bugs involving the
> interaction of recording and undo.  The first is a crash, and the second is
> just some stupid program behavior that has bothered me for a while, and
> needed a nontrivial fix.
>
> I'd like others to give this some exercise, especially regarding the
> latter one.  Compare it with 2.2.1 (and earlier) behavior, and verify that
> it's better now.
>

Hard for some of us to do with the the persistent lack of Windows nightlies
!

Peter.


>
> http://bugzilla.audacityteam.org/show_bug.cgi?id=1822
> http://bugzilla.audacityteam.org/show_bug.cgi?id=1823
>
> Quoting the Steps to Reproduce from 1823:
>
> "New project.
> (Open the history window, this may help.)
> Start recording.
> During recording, do one or more things such as:  Adding a label with
> Ctrl+M (Command+.); moving a pan or gain slider; resizing a track; changing
> selection; changing view type.
> Stop recording.
> Undo several times.
>
> Observe that the first undo does not remove all of the recording.
> Instead, the recording may be removed in stages, parts of it belonging to
> other undo items on the stack.
>
> Some of the recording might become part of the "Created new project" undo
> item at the start of the history, which is never undone.  Thus it becomes
> impossible to undo the project back to its original empty state."
>
> PRL
>
>
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