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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.")
(declare-function notmuch-toggle-invisible-action "notmuch" (cite-button))
(define-button-type 'notmuch-button-invisibility-toggle-type
'action 'notmuch-toggle-invisible-action
'follow-link t
'face 'font-lock-comment-face)
(define-button-type 'notmuch-button-headers-toggle-type
'help-echo "mouse-1, RET: Show headers"
:supertype 'notmuch-button-invisibility-toggle-type)
;; 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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