;;; gnus-xmas.el --- Gnus functions for XEmacs
-;; Copyright (C) 1995,96 Free Software Foundation, Inc.
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+;; 2005, 2006, 2008, 2009, 2010 Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; This file is part of GNU Emacs.
;; 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)
+;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; 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:
;;; Code:
-(require 'gnus-load)
+(eval-when-compile
+ (autoload 'gnus-active "gnus" nil nil 'macro)
+ (autoload 'gnus-group-entry "gnus" nil nil 'macro)
+ (autoload 'gnus-info-level "gnus" nil nil 'macro)
+ (autoload 'gnus-info-marks "gnus" nil nil 'macro)
+ (autoload 'gnus-info-method "gnus" nil nil 'macro)
+ (autoload 'gnus-info-score "gnus" nil nil 'macro))
+
(require 'text-props)
(defvar menu-bar-mode (featurep 'menubar))
(require 'messagexmas)
+(require 'wid-edit)
+(require 'gnus-util)
+
+(defgroup gnus-xmas nil
+ "XEmacsoid support for Gnus"
+ :group 'gnus)
-(defvar gnus-xmas-glyph-directory nil
- "*Directory where Gnus logos and icons are located.
+(defcustom gnus-xmas-glyph-directory nil
+ "Directory where Gnus logos and icons are located.
If this variable is nil, Gnus will try to locate the directory
-automatically.")
-
-(defvar gnus-xmas-logo-color-alist
- '((flame "#cc3300" "#ff2200")
- (pine "#c0cc93" "#f8ffb8")
- (moss "#a1cc93" "#d2ffb8")
- (irish "#04cc90" "#05ff97")
- (sky "#049acc" "#05deff")
- (tin "#6886cc" "#82b6ff")
- (velvet "#7c68cc" "#8c82ff")
- (grape "#b264cc" "#cf7df")
- (labia "#cc64c2" "#fd7dff")
- (berry "#cc6485" "#ff7db5")
- (neutral "#b4b4b4" "#878787")
- (september "#bf9900" "#ffcc00"))
- "Color alist used for the Gnus logo.")
-
-(defvar gnus-xmas-logo-color-style 'flame
- "Color styles used for the Gnus logo.")
-
-(defvar gnus-xmas-logo-colors
- (cdr (assq gnus-xmas-logo-color-style gnus-xmas-logo-color-alist))
- "Colors used for the Gnus logo.")
-
-(defvar gnus-article-x-face-command
- (if (featurep 'xface)
- 'gnus-xmas-article-display-xface
- "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -")
- "String or function to be executed to display an X-Face header.
-If it is a string, the command will be executed in a sub-shell
-asynchronously. The compressed face will be piped to this command.")
+automatically."
+ :type '(choice (const :tag "autodetect" nil)
+ directory)
+ :group 'gnus-xmas)
+
+(unless gnus-xmas-glyph-directory
+ (unless (setq gnus-xmas-glyph-directory
+ (message-xmas-find-glyph-directory "gnus"))
+ (error "Can't find glyph directory. \
+Possibly the `etc' directory has not been installed.")))
;;; Internal variables.
;; Don't warn about these undefined variables.
-(defvar gnus-group-mode-hook)
-(defvar gnus-summary-mode-hook)
-(defvar gnus-article-mode-hook)
-
;;defined in gnus.el
(defvar gnus-active-hashtb)
(defvar gnus-article-buffer)
(defvar gnus-auto-center-summary)
-(defvar gnus-buffer-list)
(defvar gnus-current-headers)
(defvar gnus-level-killed)
(defvar gnus-level-zombie)
(defvar gnus-mouse-2)
(defvar standard-display-table)
(defvar gnus-tree-minimize-window)
-
-(defun gnus-xmas-set-text-properties (start end props &optional buffer)
- "You should NEVER use this function. It is ideologically blasphemous.
-It is provided only to ease porting of broken FSF Emacs programs."
- (if (stringp buffer)
- nil
- (map-extents (lambda (extent ignored)
- (remove-text-properties
- start end
- (list (extent-property extent 'text-prop) nil)
- buffer))
- buffer start end nil nil 'text-prop)
- (gnus-add-text-properties start end props buffer)))
+;;`gnus-agent-mode' in gnus-agent.el will define it.
+(defvar gnus-agent-summary-mode)
+(defvar gnus-draft-mode)
(defun gnus-xmas-highlight-selected-summary ()
;; Highlight selected article in summary buffer
(when gnus-summary-selected-face
(when gnus-newsgroup-selected-overlay
(delete-extent gnus-newsgroup-selected-overlay))
- (setq gnus-newsgroup-selected-overlay
- (make-extent (gnus-point-at-bol) (gnus-point-at-eol)))
+ (setq gnus-newsgroup-selected-overlay
+ (make-extent (point-at-bol) (point-at-eol)))
(set-extent-face gnus-newsgroup-selected-overlay
gnus-summary-selected-face)))
+(defcustom gnus-xmas-force-redisplay nil
+ "*If non-nil, force a redisplay before recentering the summary buffer.
+This is ugly, but it works around a bug in `window-displayed-height'."
+ :type 'boolean
+ :group 'gnus-xmas)
+
+(defun gnus-xmas-switch-horizontal-scrollbar-off ()
+ (when (featurep 'scrollbar)
+ (set-specifier scrollbar-height (cons (current-buffer) 0))))
+
(defun gnus-xmas-summary-recenter ()
"\"Center\" point in the summary window.
If `gnus-auto-center-summary' is nil, or the article buffer isn't
displayed, no centering will be performed."
;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
+ ;; Force redisplay to get properly computed window height.
+ (when gnus-xmas-force-redisplay
+ (sit-for 0))
(when gnus-auto-center-summary
(let* ((height (if (fboundp 'window-displayed-height)
(window-displayed-height)
(- (window-height) 2)))
(top (cond ((< height 4) 0)
((< height 7) 1)
- (t 2)))
+ (t (if (numberp gnus-auto-center-summary)
+ gnus-auto-center-summary
+ 2))))
(bottom (save-excursion (goto-char (point-max))
(forward-line (- height))
(point)))
;; Set the window start to either `bottom', which is the biggest
;; possible valid number, or the second line from the top,
;; whichever is the least.
+ ;; NOFORCE parameter suggested by Daniel Pittman <daniel@danann.net>.
(set-window-start
- window (min bottom (save-excursion (forward-line (- top)) (point)))))
+ window (min bottom (save-excursion (forward-line (- top)) (point)))
+ t))
;; Do horizontal recentering while we're at it.
(when (and (get-buffer-window (current-buffer) t)
(not (eq gnus-auto-center-summary 'vertical)))
(gnus-horizontal-recenter)
(select-window selected))))))
-(defun gnus-xmas-add-hook (hook function &optional append local)
- (add-hook hook function))
+(defun gnus-xmas-summary-set-display-table ()
+ ;; Setup the display table -- like `gnus-summary-setup-display-table',
+ ;; but done in an XEmacsish way.
+ (let ((table (make-display-table))
+ (i 32))
+ ;; Nix out all the control chars...
+ (while (>= (setq i (1- i)) 0)
+ (gnus-put-display-table i [??] table))
+ ;; ... but not newline and cr, of course. (cr is necessary for the
+ ;; selective display).
+ (gnus-put-display-table ?\n nil table)
+ (gnus-put-display-table ?\r nil table)
+ ;; We keep TAB as well.
+ (gnus-put-display-table ?\t nil table)
+ ;; We nix out any glyphs over 126 below ctl-arrow.
+ (let ((i (if (integerp ctl-arrow) ctl-arrow 160)))
+ (while (>= (setq i (1- i)) 127)
+ (unless (gnus-get-display-table i table)
+ (gnus-put-display-table i [??] table))))
+ ;; Can't use `set-specifier' because of a bug in 19.14 and earlier
+ (add-spec-to-specifier current-display-table table (current-buffer) nil)))
(defun gnus-xmas-add-text-properties (start end props &optional object)
(add-text-properties start end props object)
(map-extents (lambda (extent arg)
(set-extent-property extent 'start-open t))
nil point (min (1+ (point)) (point-max))))
-
+
(defun gnus-xmas-article-push-button (event)
"Check text under the mouse pointer for a callback function.
If the text under the mouse pointer has a `gnus-callback' property,
(let* ((pos (event-closest-point event))
(data (get-text-property pos 'gnus-data))
(fun (get-text-property pos 'gnus-callback)))
+ (goto-char pos)
(when fun
(funcall fun data))))
(defun gnus-xmas-move-overlay (extent start end &optional buffer)
- (set-extent-endpoints extent start end))
-
-;; Fixed by Christopher Davis <ckd@loiosh.kei.com>.
-(defun gnus-xmas-article-add-button (from to fun &optional data)
- "Create a button between FROM and TO with callback FUN and data DATA."
- (when gnus-article-button-face
- (gnus-overlay-put (gnus-make-overlay from to)
- 'face gnus-article-button-face))
- (g