bug#44333: 27.1; macOS menu bar 2-clicks

[Mattias Engdegård]

25 dec. 2020 kl. 20.20 skrev Alan Third <alan@idiocy.org>:
> 
> On Fri, Dec 25, 2020 at 05:26:49PM +0000, Alan Third wrote:
>> ns_update_menubar is a big, complicated function that I've not been
>> over in depth to work out what it's doing, so I don't know if it
>> would be practical to break it up like I suspect using those two
>> methods would require.
> 
> I've had a look through it, and I've noticed that most of the work
> appears to be building a tree of widget_value structs. A quick look at
> xmenu.c and w32menu.c leaves me with the impression that they have
> almost identical code for that part, but for some reason the NS port
> is different (and is full of "FIXME: this is broken" comments).
> 
> So I suppose the first thing to do should be to align the NS code with
> the other terminals, and see if that improves things.

Probably. When the code suffers from one of its slow spells, the time is 
apparently spent in the calls to parse_single_submenu, and from there... 
single_keymap_panes, I think. Didn't dig deeper after that.