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333 lines
13 KiB
EmacsLisp
333 lines
13 KiB
EmacsLisp
;;; org-mairix.el - Support for hooking mairix search into Org for different MUAs
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;;
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;; Copyright (C) 2007-2013 Georg C. F. Greve
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;; mutt support by Adam Spiers <orgmode at adamspiers dot org>
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;;
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;; This file is not part of GNU Emacs.
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;;
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;; Author: Georg C. F. Greve <greve at fsfeurope dot org>
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;; Keywords: outlines, hypermedia, calendar, wp, email, mairix
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;; Purpose: Integrate mairix email searching into Org mode
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;; See http://orgmode.org and http://www.rpcurnow.force9.co.uk/mairix/
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;; Version: 0.5
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;;
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;; This file is Free Software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; It is distributed in the hope that it will be useful, but WITHOUT
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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;; License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; USAGE NOTE
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;;
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;; You will need to configure mairix first, which involves setting up your
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;; .mairixrc in your home directory. Once it is working, you should set up
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;; your way to display results in your favorite way -- usually a MUA.
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;; Currently gnus and mutt are supported.
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;;
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;; After both steps are done, all you should need to hook mairix, org
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;; and your MUA together is to do (require 'org-mairix) in your
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;; startup file. Everything can then be configured normally through
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;; Emacs customisation.
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;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 'org)
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;;; The custom variables
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(defgroup org-mairix nil
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"Mairix support/integration in org."
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:tag "Org Mairix"
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:group 'org)
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(defcustom org-mairix-threaded-links t
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"Should new links be created as threaded links?
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If t, links will be stored as threaded searches.
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If nil, links will be stored as non-threaded searches."
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:group 'org-mairix
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:type 'boolean)
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(defcustom org-mairix-augmented-links nil
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"Should new links be created as augmenting searches?
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If t, links will be stored as augmenting searches.
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If nil, links will be stored as normal searches.
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Attention: When activating this option, you will need
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to remove old articles from your mairix results group
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in some other way, mairix will not do it for you."
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:group 'org-mairix
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:type 'boolean)
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(defcustom org-mairix-display-hook 'org-mairix-gnus-display-results
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"Hook to call to display the results of a successful mairix search.
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Defaults to Gnus, feel free to add your own MUAs or methods."
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:group 'org-mairix
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:type 'hook)
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(defcustom org-mairix-open-command "mairix %args% '%search%'"
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"The mairix command-line to use. If your paths are set up
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correctly, you should not need to change this.
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'%search%' will get substituted with the search expression, and
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'%args%' with any additional arguments."
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:group 'org-mairix
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:type 'string)
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;;; The hooks to integrate mairix into org
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(org-add-link-type "mairix" 'org-mairix-open)
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(add-hook 'org-store-link-functions 'org-mairix-store-gnus-link)
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;;; Generic org-mairix functions
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(defun org-mairix-construct-link (message-id)
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"Construct a mairix: hyperlink based on message-id."
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(concat "mairix:"
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(if org-mairix-threaded-links "t:")
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(if org-mairix-augmented-links "a:")
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"@@"
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(org-remove-angle-brackets message-id)))
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(defun org-store-mairix-link-props (&rest plist)
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"Take a property list describing a mail, and add mairix link
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and description properties so that org can build a mairix link to
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it."
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;; We have to call `org-store-link-props' twice:
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;;
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;; - It extracts 'fromname'/'fromaddress' from 'from' property,
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;; and stores the updated plist to `org-store-link-plist'.
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;;
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;; - `org-email-link-description' uses these new properties to
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;; build a description from the previously stored plist. I
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;; wrote a tiny patch to `org-email-link-description' so it
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;; could take a non-stored plist as an optional 2nd argument,
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;; but the plist provided still needs 'fromname'/'fromaddress'.
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;;
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;; - Ideally we would decouple the storing bit of
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;; `org-store-link-props' from the extraction bit, but lots of
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;; stuff in `org-store-link' which calls it would need to be
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;; changed. Maybe just factor out the extraction so it can be
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;; reused separately?
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(let ((mid (plist-get plist :message-id)))
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(apply 'org-store-link-props
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(append plist
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(list :type "mairix"
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:link (org-mairix-construct-link mid))))
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(apply 'org-store-link-props
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(append org-store-link-plist
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(list :description (org-email-link-description))))))
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(defun org-mairix-message-send-and-exit-with-link ()
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"Function that can be assigned as an alternative sending function,
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it sends the message and then stores a mairix link to it before burying
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the buffer just like 'message-send-and-exit' does."
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(interactive)
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(message-send)
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(let* ((message-id (message-fetch-field "Message-Id"))
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(subject (message-fetch-field "Subject"))
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(link (org-mairix-construct-link message-id))
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(desc (concat "Email: '" subject "'")))
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(setq org-stored-links
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(cons (list link desc) org-stored-links)))
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(message-bury (current-buffer)))
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(defun org-mairix-open (search)
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"Function to open mairix link.
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We first need to split it into its individual parts, and then
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extract the message-id to be passed on to the display function
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before call mairix, evaluate the number of matches returned, and
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make sure to only call display of mairix succeeded in matching."
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(let* ((args ""))
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(if (equal (substring search 0 2) "t:" )
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(progn (setq search (substring search 2 nil))
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(setq args (concat args " --threads"))))
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(if (equal (substring search 0 2) "a:")
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(progn (setq search (substring search 2 nil))
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(setq args (concat args " --augment"))))
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(let ((cmdline (org-mairix-command-substitution
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org-mairix-open-command search args)))
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(print cmdline)
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(setq retval (shell-command-to-string cmdline))
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(string-match "\[0-9\]+" retval)
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(setq matches (string-to-number (match-string 0 retval)))
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(if (eq matches 0) (message "Link failed: no matches, sorry")
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(message "Link returned %d matches" matches)
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(run-hook-with-args 'org-mairix-display-hook search args)))))
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(defun org-mairix-command-substitution (cmd search args)
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"Substitute '%search%' and '%args% in mairix search command."
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(while (string-match "%search%" cmd)
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(setq cmd (replace-match search 'fixedcase 'literal cmd)))
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(while (string-match "%args%" cmd)
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(setq cmd (replace-match args 'fixedcase 'literal cmd)))
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cmd)
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;;; Functions necessary for integration of external MUAs.
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;; Of course we cannot call `org-store-link' from within an external
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;; MUA, so we need some other way of storing a link for later
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;; retrieval by org-mode and/or remember-mode. To do this we use a
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;; temporary file as a kind of dedicated clipboard.
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(defcustom org-mairix-link-clipboard "~/.org-mairix-link"
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"Pseudo-clipboard file where mairix URLs get copied to by external
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applications in order to mimic `org-store-link'. Used by
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`org-mairix-insert-link'."
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:group 'org-mairix
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:type 'string)
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;; When we resolve some of the issues with `org-store-link' detailed
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;; at <http://thread.gmane.org/gmane.emacs.orgmode/4217/focus=4635>,
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;; we might not need org-mairix-insert-link.
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(defun org-mairix-insert-link ()
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"Insert link from file defined by `org-mairix-link-clipboard'."
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(interactive)
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(let ((bytes (cadr (insert-file-contents
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(expand-file-name org-mairix-link-clipboard)))))
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(forward-char bytes)
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(save-excursion
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(forward-char -1)
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(if (looking-at "\n")
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(delete-char 1)))))
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;;; Functions necessary for mutt integration
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(defgroup org-mairix-mutt nil
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"Use mutt for mairix support in org."
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:tag "Org Mairix Mutt"
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:group 'org-mairix)
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(defcustom org-mairix-mutt-display-command
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"xterm -title 'mairix search: %search%' -e 'unset COLUMNS; mutt -f
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~/mail/mairix -e \"push <display-message>\"' &"
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"Command to execute to display mairix search results via mutt within
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an xterm.
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'%search%' will get substituted with the search expression, and
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'%args%' with any additional arguments used in the search."
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:group 'org-mairix-mutt
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:type 'string)
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(defun org-mairix-mutt-display-results (search args)
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"Display results of mairix search in mutt, using the command line
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defined in `org-mairix-mutt-display-command'."
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;; By default, async `shell-command' invocations display the temp
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;; buffer, which is annoying here. We choose a deterministic
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;; buffer name so we can hide it again immediately.
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;; Note: `call-process' is synchronous so not useful here.
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(let ((cmd (org-mairix-command-substitution
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org-mairix-mutt-display-command search args))
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(tmpbufname (generate-new-buffer-name " *mairix-view*")))
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(shell-command cmd tmpbufname)
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(delete-windows-on (get-buffer tmpbufname))))
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;;; Functions necessary for gnus integration
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(defgroup org-mairix-gnus nil
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"Use gnus for mairix support in org."
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:tag "Org Mairix Gnus"
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:group 'org-mairix)
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(defcustom org-mairix-gnus-results-group "nnmaildir:mairix"
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"The group that is configured to hold the mairix search results,
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which needs to be setup independently of the org-mairix integration,
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along with general mairix configuration."
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:group 'org-mairix-gnus
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:type 'string)
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(defcustom org-mairix-gnus-select-display-group-function
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'org-mairix-gnus-select-display-group-function-gg
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"Hook to call to select the group that contains the matching articles.
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We should not need this, it is owed to a problem of gnus that people were
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not yet able to figure out, see
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http://article.gmane.org/gmane.emacs.gnus.general/65248
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http://article.gmane.org/gmane.emacs.gnus.general/65265
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http://article.gmane.org/gmane.emacs.gnus.user/9596
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for reference.
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It seems gnus needs a 'forget/ignore everything you think you
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know about that group' function. Volunteers?"
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:group 'org-mairix-gnus
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:type 'hook)
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(defun org-mairix-store-gnus-link ()
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"Store a link to the current gnus message as a Mairix search for its
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Message ID."
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;; gnus integration
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(when (memq major-mode '(gnus-summary-mode gnus-article-mode))
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(and (eq major-mode 'gnus-article-mode) (gnus-article-show-summary))
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(let* ((article (gnus-summary-article-number))
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(header (gnus-summary-article-header article))
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(from (mail-header-from header))
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(message-id (mail-header-id header))
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(subject (gnus-summary-subject-string)))
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(org-store-mairix-link-props :from from
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:subject subject
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:message-id message-id))))
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(defun org-mairix-gnus-display-results (search args)
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"Display results of mairix search in Gnus.
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Note: This does not work as cleanly as I would like it to. The
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problem being that Gnus should simply reread the group cleanly,
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without remembering anything. At the moment it seems to be unable
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to do that -- so you're likely to see zombies floating around.
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If you can improve this, please do!"
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(if (not (equal (substring search 0 2) "m:" ))
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(error "org-mairix-gnus-display-results: display of search other than
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message-id not implemented yet"))
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(setq message-id (substring search 2 nil))
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(require 'gnus)
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(require 'gnus-sum)
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;; FIXME: (bzg/gg) We might need to make sure gnus is running here,
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;; and to start it in case it isn't running already. Does
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;; anyone know a function to do that? It seems main org mode
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;; does not do this, either.
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(funcall (cdr (assq 'gnus org-link-frame-setup)))
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(if gnus-other-frame-object (select-frame gnus-other-frame-object))
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;; FIXME: This is horribly broken. Please see
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;; http://article.gmane.org/gmane.emacs.gnus.general/65248
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;; http://article.gmane.org/gmane.emacs.gnus.general/65265
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;; http://article.gmane.org/gmane.emacs.gnus.user/9596
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;; for reference.
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;;
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;; It seems gnus needs a "forget/ignore everything you think you
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;; know about that group" function. Volunteers?
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;;
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;; For now different methods seem to work differently well for
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;; different people. So we're playing hook-selection here to make
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;; it easy to play around until we found a proper solution.
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(run-hook-with-args 'org-mairix-gnus-select-display-group-function)
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(gnus-summary-select-article
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nil t t (car (gnus-find-matching-articles "message-id" message-id))))
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(defun org-mairix-gnus-select-display-group-function-gg ()
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"Georg's hack to select a group that gnus (falsely) believes to be
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empty to then call rebuilding of the summary. It leaves zombies of
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old searches around, though."
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(gnus-group-quick-select-group 0 org-mairix-gnus-results-group)
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(gnus-group-clear-data)
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(gnus-summary-reselect-current-group t t))
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(defun org-mairix-gnus-select-display-group-function-bzg ()
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"This is the classic way the org mode is using, and it seems to be
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using better for Bastien, so it may work for you."
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(gnus-group-clear-data org-mairix-gnus-results-group)
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(gnus-group-read-group t nil org-mairix-gnus-results-group))
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(provide 'org-mairix)
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;;; org-mairix.el ends here
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