/usr/share/emacs/site-lisp/wl/wl/wl-dnd.el is in wl 2.14.0-12.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | ;;; wl-dnd.el --- dragdrop support on Wanderlust.
;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
;; Author: Yuuichi Teranishi <teranisi@gohome.org>
;; Keywords: mail, net news
;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
;; This program 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 2, or (at your option)
;; any later version.
;;
;; This program 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;
;;; Commentary:
;;
;;; Code:
;;
(static-cond
((featurep 'offix)
(defun start-drag (event what &optional typ)
(if (numberp typ)
(funcall (intern "offix-start-drag") event what typ)
(funcall (intern "offix-start-drag") event what))))
((featurep 'cde)
(defun start-drag (event what &optional typ)
(if (not typ)
(funcall (intern "cde-start-drag-internal") event nil
(list what))
(funcall (intern "cde-start-drag-internal") event t what))))
(t (defun start-drag (event what &optional typ))))
(defun wl-dnd-start-drag (event)
(interactive "@e")
(mouse-set-point event)
(start-drag event (concat
wl-summary-buffer-folder-name " "
(int-to-string (wl-summary-message-number)))))
(defun wl-dnd-drop-func (event object text)
(interactive "@e")
(mouse-set-point event)
(beginning-of-line)
(when (looking-at "^[ ]*\\([^\\[].+\\):.*\n")
(let* ((src-spec (save-match-data
(split-string (nth 2 (car (cdr object)))
" ")))
(src-fld (nth 0 src-spec))
(number (string-to-int (nth 1 src-spec)))
target)
(setq target
(wl-folder-get-folder-name-by-id (get-text-property
(point)
'wl-folder-entity-id)))
(message "%s is dropped at %s." number
(buffer-substring (match-beginning 1)
(match-end 1)))
(set-buffer (wl-summary-get-buffer src-fld))
(save-match-data
(wl-summary-jump-to-msg number))
(funcall (symbol-function 'wl-summary-refile) number target)
(select-window (get-buffer-window (current-buffer)))
))
t)
(defun wl-dnd-default-drop-message (event object)
(message "Dropping here is meaningless.")
t)
(defun wl-dnd-set-drop-target (beg end)
(let (ext substr)
(setq ext (make-extent beg end))
(set-extent-property
ext
'experimental-dragdrop-drop-functions
'((wl-dnd-drop-func t t (buffer-substring beg end))))))
;;; (set-extent-property ext 'mouse-face 'highlight)
(defun wl-dnd-set-drag-starter (beg end)
(let (ext kmap)
(setq ext (make-extent beg end))
;;; (set-extent-property ext 'mouse-face 'isearch)
(setq kmap (make-keymap))
(define-key kmap [button1] 'wl-dnd-start-drag)
(set-extent-property ext 'keymap kmap)))
(require 'product)
(product-provide (provide 'wl-dnd) (require 'wl-version))
;;; wl-dnd.el ends here
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