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;; notmuch-lib.el --- common variables, functions and function declarations
;;
;; Copyright © Carl Worth
;;
;; This file is part of Notmuch.
;;
;; Notmuch is free software: you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; Notmuch is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Notmuch. If not, see <http://www.gnu.org/licenses/>.
;;
;; Authors: Carl Worth <cworth@cworth.org>
;; This is an part of an emacs-based interface to the notmuch mail system.
(defvar notmuch-command "notmuch"
"Command to run the notmuch binary.")
(defgroup notmuch nil
"Notmuch mail reader for Emacs."
:group 'mail)
(defcustom notmuch-folders '(("inbox" . "tag:inbox") ("unread" . "tag:unread"))
"List of searches for the notmuch folder view"
:type '(alist :key-type (string) :value-type (string))
:group 'notmuch)
(defcustom notmuch-search-oldest-first t
"Show the oldest mail first when searching."
:type 'boolean
:group 'notmuch)
;;
(defcustom notmuch-saved-searches nil
"A list of saved searches to display."
:type '(alist :key-type string :value-type string)
:group 'notmuch)
(defun notmuch-saved-searches ()
"Common function for querying the notmuch-saved-searches variable.
We do this as a function to support the old name of the
variable (`notmuch-folders') as well as for the default value if
the user hasn't set this variable with the old or new value."
(if notmuch-saved-searches
notmuch-saved-searches
(if notmuch-folders
notmuch-folders
'(("inbox" . "tag:inbox")
("unread" . "tag:unread")))))
(defun notmuch-version ()
"Return a string with the notmuch version number."
(let ((long-string
;; Trim off the trailing newline.
(substring (shell-command-to-string
(concat notmuch-command " --version"))
0 -1)))
(if (string-match "^notmuch\\( version\\)? \\(.*\\)$"
long-string)
(match-string 2 long-string)
"unknown")))
;;
;; XXX: This should be a generic function in emacs somewhere, not
;; here.
(defun point-invisible-p ()
"Return whether the character at point is invisible.
Here visibility is determined by `buffer-invisibility-spec' and
the invisible property of any overlays for point. It doesn't have
anything to do with whether point is currently being displayed
within the current window."
(let ((prop (get-char-property (point) 'invisible)))
(if (eq buffer-invisibility-spec t)
prop
(or (memq prop buffer-invisibility-spec)
(assq prop buffer-invisibility-spec)))))
(provide 'notmuch-lib)
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