bug#3303: delete-frame raises old (invisible) frame

[David Reitter]

On May 26, 2009, at 3:37 PM, Stefan Monnier wrote:
> > > > drawRect: do not set visibility/iconified flags because drawRect  
> > > > may be
> > > > called by NSView even if the frame is hidden.
> > > Do you happen to know why/when NSView might be called even for a  
> > > frame
> > > that's not visible?
> > Unfortunately not, but invisibility does not guarantee absence of  
> > drawRect
> > messages unless this is promised somewhere in the NS API.
> > I do think that my patch here is right, though, as other ports set
> > visibility in more obvious places.
>
> Yes, the patch looks OK, but I'd still like to know why drawRect gets
> called in such cases, as well as why the visibility settings were
> modified in that routine.

In this vein, is it possible to get the development history of the NS  
port merged with the other Emacs history?
I mean, everything begins (ends) with the merge, with all code there  
appearing to have been authored by 'arobert'.  In this particular case  
I would have wanted to know when these lines of code were added (e.g.,  
pre-22?), and what the comments were.
I could probably try to find this in Emacs.app, but I'm wondering if  
we can have this history (perhaps in a separate branch) in the Bzr/Git  
repositories.

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