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From: stardiviner <numbchild@gmail.com>
To: Tim Cross <theophilusx@gmail.com>
Cc: Org-mode <emacs-orgmode@gnu.org>
Subject: Re: [PATCH] make org-notify support for macOS desktop notification
Date: Tue, 6 Jul 2021 09:37:46 +0800	[thread overview]
Message-ID: <1AD5C686-43DF-4233-AA98-1BA06826BD42@gmail.com> (raw)
In-Reply-To: <87im1ol2lb.fsf@gmail.com>



> On Jul 6, 2021, at 8:06 AM, Tim Cross <theophilusx@gmail.com> wrote:
> 
> 
> stardiviner <numbchild@gmail.com> writes:
> 
>>> On Jul 5, 2021, at 7:55 PM, Maxim Nikulin <manikulin@gmail.com> wrote:
>>> 
>>> On 05/07/2021 10:50, stardiviner wrote:
>>>> I updated the patch, I found the package `osx-lib` contains solution.
>>>> So I removed the directly osascript process invocation.
>>> 
>>> I have no objections any more. On the other hand I have no access to macOS, so
>>> I have not tested this patch. Feel free to ignore comments from this message,
>>> they are mostly matter of taste.
>>> 
>>> I expect that a simple script "notify-send" may allow to avoid modification of
>>> code. Something like (untested, unsure concerning "quoted form of ...")
>>> 
>>> #!/usr/bin/env osascript
>>> display notification (item 1 of argv)
>>> 
>>> However if osx-lib in is installed automatically, it may be more convenient.
>>> Unsure if some of currently supported linux distributions have notify-send
>>> that can not handle title as the first argument.
>>> 
>>>> -	((fboundp 'notifications-notify)
>>>> +	((and (eq system-type 'gnu/linux) (fboundp 'notifications-notify))
>>> 
>>> Does it mean that `notifications-notify' is bound but it does not work on
>>> macOS? If so, maybe it is better to put new clause for 'darwin above and to
>>> drop 'gnu/linux here. From my point of view, it is preferable to avoid
>>> additional requirement for `notifications-notify'. If someone will create a
>>> feature request for `notifications-notify' for macOS, it will just work
>>> without installing of additional packages as soon as such feature is
>>> implemented.
>>> 
>>> 
>> I indeed tried `notifications-notify`. And it does not work, reports error that
>> it needs dbus. PS. I used the Homebrew formulae version Emacs.
>> I considered the order of conditions. Because notifications and notify-send etc
>> requires dbus. So I guess only Linux supports that. So add system-type detection
>> will be better. WDYT?
> 
> I think you can add dbus support to macOS using homebrew and that might
> resolve the issue.

I checked my homebrew, I found the `dbus` is installed already. And in Emacs `(featurep ‘dbus)` returns t.

But `(org-show-notification “test”)` returns error:
```
Debugger entered--Lisp error: (dbus-error "No connection to bus" :session)
  dbus-message-internal(1 :session "org.freedesktop.Notifications" "/org/freedesktop/Notifications" "org.freedesktop.Notifications" "Notify" dbus-call-method-handler :string "Emacs" :uint32 0 :string "/opt/homebrew/Cellar/emacs-head@28/28.0.50_1/share..." :string "Org mode message" :string "test" (:array) ((:dict-entry "urgency" (:variant :byte 0))) :int32 3000)
  apply(dbus-message-internal 1 :session "org.freedesktop.Notifications" "/org/freedesktop/Notifications" "org.freedesktop.Notifications" "Notify" dbus-call-method-handler (:string "Emacs" :uint32 0 :string "/opt/homebrew/Cellar/emacs-head@28/28.0.50_1/share..." :string "Org mode message" :string "test" (:array) ((:dict-entry "urgency" (:variant :byte 0))) :int32 3000))
  dbus-call-method(:session "org.freedesktop.Notifications" "/org/freedesktop/Notifications" "org.freedesktop.Notifications" "Notify" :string "Emacs" :uint32 0 :string "/opt/homebrew/Cellar/emacs-head@28/28.0.50_1/share..." :string "Org mode message" :string "test" (:array) ((:dict-entry "urgency" (:variant :byte 0))) :int32 3000)
  notifications-notify(:title "Org mode message" :body "test" :timeout 3000 :urgency low)
  (cond ((functionp org-show-notification-handler) (funcall org-show-notification-handler notification)) ((stringp org-show-notification-handler) (start-process "emacs-timer-notification" nil org-show-notification-handler notification)) ((fboundp 'w32-notification-notify) (let ((id (w32-notification-notify :title "Org mode message" :body notification :urgency 'low))) (run-with-timer org-show-notification-timeout nil #'(lambda nil (w32-notification-close id))))) ((fboundp 'notifications-notify) (notifications-notify :title "Org mode message" :body notification :timeout (* org-show-notification-timeout 1000) :urgency 'low)) ((executable-find "notify-send") (start-process "emacs-timer-notification" nil "notify-send" notification)) (t (message "%s" notification)))
  org-show-notification("test")
  eval((org-show-notification "test") nil)
  elisp--eval-last-sexp(nil)
  eval-last-sexp(nil)
  funcall-interactively(eval-last-sexp nil)
  call-interactively(eval-last-sexp nil nil)
  command-execute(eval-last-sexp)

```

Seems Emacs can’t connect to Homebrew dbus session. But I checked homebrew services, the dbus service is running.

Then I googled this problem. But have not found solution.

Does anyone has experience to solve this problem?

But lucky I found another way to invoke AppleScript notification way built-in Emacs.

#+begin_src emacs-lisp
(ns-do-applescript "display notification \"hello world\"")

(ns-do-applescript "display notification \"hello world\" with title \"some title\"")
#+end_src

I will update the patch in next email.

> At the very least, this will need to be investigated
> because otherwise, adding this patch may break configurations for users
> who have added dbus support via homebrew and have notifications working,
> but have not installed the osx-lib package.
> 
> My only small concern with your proposed changes is that it will add a
> dependency on a new package osx-lib, which I think is only available in
> melpa. At the very least, this will need to be documented somewhere.
> However, I'm not sure what the situation is wrt adding code which
> depends on an external package which is not available in either elpa or
> nongnuELPA? As org mode is a part of GNU Emacs, I suspect that any code
> which 'encourages' the use of melpa packages will not be acceptable. 
> 
> -- 
> Tim Cross
> 



  reply	other threads:[~2021-07-06  1:38 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-04  0:23 stardiviner
2021-07-04  5:48 ` Maxim Nikulin
2021-07-05  3:50   ` stardiviner
2021-07-05 11:55     ` Maxim Nikulin
2021-07-05 22:36       ` stardiviner
2021-07-06  0:06         ` Tim Cross
2021-07-06  1:37           ` stardiviner [this message]
2021-07-06  8:12             ` Tim Cross
2021-07-06  1:45           ` [new patch] " stardiviner
2021-07-06  4:21             ` Christian Hopps
2021-07-06 15:30               ` [new patch] " stardiviner
2021-07-06 18:23                 ` Christian Hopps
2021-07-08  0:00                   ` stardiviner
2021-07-08  8:59                     ` Christian Hopps
2021-07-08  9:35                       ` STOP this patch for now stardiviner
2021-07-08 12:02                         ` Christian Hopps
2021-07-06 12:13             ` [PATCH] make org-notify support for macOS desktop notification Maxim Nikulin
2021-09-26  8:52             ` [new patch] " Bastien
2021-09-30 15:01               ` Max Nikulin

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