GNU bug report logs - #21357
24.5; Daemon leaves Mac OSX App open after closing GUI frame

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From: Alan Third <alan <at> idiocy.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>, random832 <at> fastmail.com, 21357 <at> debbugs.gnu.org
Subject: bug#21357: 24.5; Daemon leaves Mac OSX App open after closing GUI frame
Date: Wed, 25 Aug 2021 21:18:51 +0100

[Message part 1 (text/plain, inline)]

On Mon, Aug 16, 2021 at 06:13:03PM +0100, Alan Third wrote:
> On Mon, Aug 16, 2021 at 02:57:58PM +0200, Lars Ingebrigtsen wrote:
> > random832 <at> fastmail.com writes:
> > 
> > > If I have Emacs (OSX App) started in daemon mode, and then create a
> > > GUI frame, e.g. emacsclient -c, an instance of Emacs.app starts,
> > > which then does not go away when the frame is closed with C-x C-c.
> > > Most menu items, even ones such as "New Frame (C-x 5 2)" that seem
> > > like they should make sense without a frame, are unresponsive.
> > 
> > (I'm going through old bug reports that unfortunately weren't
> > resolved at the time.)
> > 
> > Is this problem still present in recent Emacs versions?
> 
> As far as I'm aware it is.

The attached patch "fixes" this by hiding the app icon in the dock and
removing the menus. It's still possible to create a new frame using
emacsclient.

There's still a bug when a terminal frame is open and the last GUI
frame is closed. I've put the code in ns_delete_terminal, which may
not be the best place. Perhaps it should go in the normal frame
closing function and check whether there are any remaining open
frames.

The alternative is to occasionally run the NS run loop even when there
are no NS frames open. I don't know how we could do that but it would
allow us to leave the menu and dock icon available and operative even
without any GUI frames open.
-- 
Alan Third

[0001-Disable-the-NS-app-when-no-frames-are-left-bug-14619.patch (text/x-diff, attachment)]

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