X-Git-Url: https://git.hcoop.net/bpt/emacs.git/blobdiff_plain/6eabc4c2f76441f11cc344891d3849ad3631ab15..362b9d483c714a8fd87966ddbd8686850f870e34:/lisp/rfn-eshadow.el

diff --git a/lisp/rfn-eshadow.el b/lisp/rfn-eshadow.el
index 6798b0f873..97f23a9dc1 100644
--- a/lisp/rfn-eshadow.el
+++ b/lisp/rfn-eshadow.el
@@ -1,17 +1,18 @@
 ;;; rfn-eshadow.el --- Highlight `shadowed' part of read-file-name input text
 ;;
 ;; Copyright (C) 2000, 2001, 2002, 2003, 2004,
-;;   2005, 2006, 2007 Free Software Foundation, Inc.
+;;   2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
 ;;
 ;; Author: Miles Bader <miles@gnu.org>
 ;; Keywords: convenience minibuffer
+;; Package: emacs
 
 ;; This file is part of GNU Emacs.
 
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs 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.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
 
 ;; GNU Emacs is distributed in the hope that it will be useful,
 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -19,9 +20,7 @@
 ;; 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., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 ;;
@@ -94,7 +93,8 @@
 		  (sexp :tag "Value")))))
 
 (defcustom file-name-shadow-properties
-  '(face file-name-shadow field shadow)
+  ;; FIXME: should we purecopy this?
+'(face file-name-shadow field shadow)
   "Properties given to the `shadowed' part of a filename in the minibuffer.
 Only used when `file-name-shadow-mode' is active.
 If Emacs is not running under a window system,
@@ -104,7 +104,7 @@ If Emacs is not running under a window system,
   :version "22.1")
 
 (defcustom file-name-shadow-tty-properties
-  '(before-string "{" after-string "} " field shadow)
+  (purecopy '(before-string "{" after-string "} " field shadow))
   "Properties given to the `shadowed' part of a filename in the minibuffer.
 Only used when `file-name-shadow-mode' is active and Emacs
 is not running under a window-system; if Emacs is running under a window
@@ -119,6 +119,12 @@ system, `file-name-shadow-properties' is used instead."
   :group 'minibuffer
   :version "22.1")
 
+(defvar rfn-eshadow-setup-minibuffer-hook nil
+  "Minibuffer setup functions from other packages.")
+
+(defvar rfn-eshadow-update-overlay-hook nil
+  "Customer overlay functions from other packages")
+
 
 ;;; Internal variables
 
@@ -153,7 +159,9 @@ The prompt and initial input should already have been inserted."
     (overlay-put rfn-eshadow-overlay 'evaporate t)
     ;; Add our post-command hook, and make sure can remove it later.
     (add-to-list 'rfn-eshadow-frobbed-minibufs (current-buffer))
-    (add-hook 'post-command-hook #'rfn-eshadow-update-overlay nil t)))
+    (add-hook 'post-command-hook #'rfn-eshadow-update-overlay nil t)
+    ;; Run custom hook
+    (run-hooks 'rfn-eshadow-setup-minibuffer-hook)))
 
 (defsubst rfn-eshadow-sifn-equal (goal pos)
   (equal goal (condition-case nil
@@ -193,7 +201,9 @@ been set up by `rfn-eshadow-setup-minibuffer'."
             (if (rfn-eshadow-sifn-equal goal mid)
                 (setq start mid)
               (setq end mid)))
-          (move-overlay rfn-eshadow-overlay (minibuffer-prompt-end) start)))
+          (move-overlay rfn-eshadow-overlay (minibuffer-prompt-end) start))
+	;; Run custom hook
+	(run-hooks 'rfn-eshadow-update-overlay-hook))
     ;; `substitute-in-file-name' can fail on partial input.
     (error nil)))
 
@@ -208,6 +218,11 @@ that portion dim, invisible, or otherwise less visually noticeable.
 With prefix argument ARG, turn on if positive, otherwise off.
 Returns non-nil if the new state is enabled."
   :global t
+  ;; We'd like to use custom-initialize-set here so the setup is done
+  ;; before dumping, but at the point where the defcustom is evaluated,
+  ;; the corresponding function isn't defined yet, so
+  ;; custom-initialize-set signals an error.
+  :initialize 'custom-initialize-delay
   :init-value t
   :group 'minibuffer
   :version "22.1"