-;;; riece-history.el --- channel history management add-on
+;;; riece-history.el --- manage history of channel shifting -*- lexical-binding: t -*-
;; Copyright (C) 1998-2003 Daiki Ueno
;; Author: Daiki Ueno <ueno@unixuser.org>
;; 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.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
+;; NOTE: This is an add-on module for Riece.
+
;; You can check recently visited channels via `C-c g' in the commands
;; buffer, by adding the following lines to ~/.riece/init.el:
;;; Code:
+(require 'riece-options)
+(require 'riece-globals)
+(require 'riece-identity)
+(require 'riece-signal)
(require 'ring)
+(require 'riece-highlight)
(defgroup riece-history nil
- "Channel history"
+ "Manage history of channel shifting."
:tag "History"
:prefix "riece-"
:group 'riece)
:group 'riece-highlight-faces)
(defvar riece-channel-list-history-face 'riece-channel-list-history-face)
+(unless (riece-facep 'riece-modeline-history-face)
+ ;; In Emacs, set-face-doc-string is an alias to
+ ;; set-face-documentation, but we use the former since it is
+ ;; available in both Emacs and XEmacs.
+ (make-face 'riece-modeline-history-face)
+ (set-face-doc-string
+ 'riece-modeline-history-face
+ "Face used for displaying history channels in modeline.")
+ (if (featurep 'xemacs)
+ (set-face-parent 'riece-modeline-history-face 'modeline))
+ (set-face-foreground 'riece-modeline-history-face
+ (face-foreground 'riece-channel-list-history-face)))
+
+(defvar riece-modeline-history-face 'riece-modeline-history-face)
+
(defvar riece-channel-history nil)
+(defconst riece-history-description
+ "Manage history of channel shifting.")
+
(defun riece-guess-channel-from-history ()
(let ((length (ring-length riece-channel-history))
(index 0)
index (1+ index)))
(nreverse result)))
-(defun riece-history-format-channel-list-line (index channel)
- (if (and (not (ring-empty-p riece-channel-history))
- (riece-identity-equal channel (ring-ref riece-channel-history 0)))
+(defun riece-history-format-identity-for-channel-list-buffer (index identity)
+ (if (and (get 'riece-history 'riece-addon-enabled)
+ (not (ring-empty-p riece-channel-history))
+ (riece-identity-equal identity (ring-ref riece-channel-history 0)))
(concat (format "%2d:+" index)
- (riece-format-identity channel)
- "\n")))
+ (riece-format-identity identity))))
+
+(defun riece-history-format-identity-for-channel-list-indicator (index
+ identity)
+ (if (and (get 'riece-history 'riece-addon-enabled)
+ (not (ring-empty-p riece-channel-history))
+ (riece-identity-equal identity (ring-ref riece-channel-history 0)))
+ (let ((string (riece-format-identity identity))
+ (start 0))
+ ;; Escape % -> %%.
+ (while (string-match "%" string start)
+ (setq start (1+ (match-end 0))
+ string (replace-match "%%" nil nil string)))
+ (list (format "%d:" index)
+ (riece-propertize-modeline-string
+ string 'face 'riece-modeline-history-face)))))
;;; (defun riece-history-requires ()
;;; (if (memq 'riece-guess riece-addons)
;;; '(riece-guess)))
+(defun riece-history-after-switch-to-channel-functions (last)
+ (if (and (get 'riece-history 'riece-addon-enabled) last
+ (not (riece-identity-equal last riece-current-channel)))
+ (ring-insert riece-channel-history last)))
+
+(defun riece-history-requires ()
+ (if (memq 'riece-highlight riece-addons)
+ '(riece-highlight)))
+
(defun riece-history-insinuate ()
- (add-hook 'riece-startup-hook
- (lambda ()
- (setq riece-channel-history
- (make-ring riece-channel-history-length))))
- (add-hook 'riece-exit-hook
- (lambda ()
- (setq riece-channel-history nil)))
(add-hook 'riece-after-switch-to-channel-functions
- (lambda (last)
- (unless (riece-identity-equal last riece-current-channel)
- (ring-insert riece-channel-history last))))
- (add-hook 'riece-format-channel-list-line-functions
- 'riece-history-format-channel-list-line)
+ 'riece-history-after-switch-to-channel-functions)
+ (add-hook 'riece-format-identity-for-channel-list-buffer-functions
+ 'riece-history-format-identity-for-channel-list-buffer)
+ (add-hook 'riece-format-identity-for-channel-list-indicator-functions
+ 'riece-history-format-identity-for-channel-list-indicator)
(if (memq 'riece-highlight riece-addons)
(setq riece-channel-list-mark-face-alist
(cons '(?+ . riece-channel-list-history-face)
;;; 'riece-guess-channel-from-history))
)
+(defun riece-history-uninstall ()
+ (remove-hook 'riece-after-switch-to-channel-functions
+ 'riece-history-after-switch-to-channel-functions)
+ (remove-hook 'riece-format-identity-for-channel-list-buffer-functions
+ 'riece-history-format-identity-for-channel-list-buffer)
+ (remove-hook 'riece-format-identity-for-channel-list-indicator-functions
+ 'riece-history-format-identity-for-channel-list-indicator)
+ (setq riece-channel-list-mark-face-alist
+ (delq (assq ?+ riece-channel-list-mark-face-alist)
+ riece-channel-list-mark-face-alist)))
+
+(defun riece-history-enable ()
+ (setq riece-channel-history
+ (make-ring riece-channel-history-length))
+ (riece-emit-signal 'channel-list-changed))
+
+(defun riece-history-disable ()
+ (setq riece-channel-history nil)
+ (riece-emit-signal 'channel-list-changed))
+
(provide 'riece-history)
;;; riece-history.el ends here
-
projects / riece / blobdiff