;;; gnus-ems.el --- functions for making Gnus work under different Emacsen
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
-;; Free Software Foundation, Inc.
+
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+;; 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 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
+;; 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
;; 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.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
(eval-and-compile
(autoload 'gnus-xmas-define "gnus-xmas")
- (autoload 'gnus-xmas-redefine "gnus-xmas")
- (autoload 'gnus-get-buffer-create "gnus")
- (autoload 'nnheader-find-etc-directory "nnheader"))
+ (autoload 'gnus-xmas-redefine "gnus-xmas"))
+(autoload 'gnus-get-buffer-create "gnus")
+(autoload 'nnheader-find-etc-directory "nnheader")
(autoload 'smiley-region "smiley")
-;; Fixme: shouldn't require message
-(autoload 'message-text-with-property "message")
(defun gnus-kill-all-overlays ()
"Delete all overlays in the current buffer."
(defvar gnus-mouse-face-prop 'mouse-face
"Property used for highlighting mouse regions.")))
-(eval-when-compile
- (defvar gnus-tmp-unread)
- (defvar gnus-tmp-replied)
- (defvar gnus-tmp-score-char)
- (defvar gnus-tmp-indentation)
- (defvar gnus-tmp-opening-bracket)
- (defvar gnus-tmp-lines)
- (defvar gnus-tmp-name)
- (defvar gnus-tmp-closing-bracket)
- (defvar gnus-tmp-subject-or-nil)
- (defvar gnus-check-before-posting)
- (defvar gnus-mouse-face)
- (defvar gnus-group-buffer))
+(defvar gnus-tmp-unread)
+(defvar gnus-tmp-replied)
+(defvar gnus-tmp-score-char)
+(defvar gnus-tmp-indentation)
+(defvar gnus-tmp-opening-bracket)
+(defvar gnus-tmp-lines)
+(defvar gnus-tmp-name)
+(defvar gnus-tmp-closing-bracket)
+(defvar gnus-tmp-subject-or-nil)
+(defvar gnus-check-before-posting)
+(defvar gnus-mouse-face)
+(defvar gnus-group-buffer)
(defun gnus-ems-redefine ()
(cond
gnus-mouse-face-prop gnus-mouse-face)
(insert " " gnus-tmp-subject-or-nil "\n")))))
+;; Clone of `appt-select-lowest-window' in appt.el.
+(defun gnus-select-lowest-window ()
+"Select the lowest window on the frame."
+ (let ((lowest-window (selected-window))
+ (bottom-edge (nth 3 (window-edges))))
+ (walk-windows (lambda (w)
+ (let ((next-bottom-edge (nth 3 (window-edges w))))
+ (when (< bottom-edge next-bottom-edge)
+ (setq bottom-edge next-bottom-edge
+ lowest-window w)))))
+ (select-window lowest-window)))
+
(defun gnus-region-active-p ()
"Say whether the region is active."
(and (boundp 'transient-mark-mode)
"Non-nil means the mark and region are currently active in this buffer."
mark-active) ; aliased to region-exists-p in XEmacs.
-(defun gnus-x-splash ()
- "Show a splash screen using a pixmap in the current buffer."
- (let ((dir (nnheader-find-etc-directory "gnus"))
- pixmap file height beg i)
- (save-excursion
- (switch-to-buffer (gnus-get-buffer-create gnus-group-buffer))
- (let ((buffer-read-only nil)
- width height)
- (erase-buffer)
- (when (and dir
- (file-exists-p (setq file
- (expand-file-name "x-splash" dir))))
- (let ((coding-system-for-read 'raw-text)
- default-enable-multibyte-characters)
- (with-temp-buffer
- (insert-file-contents file)
- (goto-char (point-min))
- (ignore-errors
- (setq pixmap (read (current-buffer)))))))
- (when pixmap
- (make-face 'gnus-splash)
- (setq height (/ (car pixmap) (frame-char-height))
- width (/ (cadr pixmap) (frame-char-width)))
- (set-face-foreground 'gnus-splash "Brown")
- (set-face-stipple 'gnus-splash pixmap)
- (insert-char ?\n (* (/ (window-height) 2 height) height))
- (setq i height)
- (while (> i 0)
- (insert-char ?\ (* (/ (window-width) 2 width) width))
- (setq beg (point))
- (insert-char ?\ width)
- (set-text-properties beg (point) '(face gnus-splash))
- (insert ?\n)
- (decf i))
- (goto-char (point-min))
- (sit-for 0))))))
+(autoload 'gnus-alive-p "gnus-util")
+(autoload 'mm-disable-multibyte "mm-util")
;;; Image functions.
(defun gnus-image-type-available-p (type)
(and (fboundp 'image-type-available-p)
- (image-type-available-p type)))
+ (image-type-available-p type)
+ (if (fboundp 'display-images-p)
+ (display-images-p)
+ t)))
(defun gnus-create-image (file &optional type data-p &rest props)
(let ((face (plist-get props :face)))
(when face
(setq props (plist-put props :foreground (face-foreground face)))
(setq props (plist-put props :background (face-background face))))
- (apply 'create-image file type data-p props)))
+ (ignore-errors
+ (apply 'create-image file type data-p props))))
(defun gnus-put-image (glyph &optional string category)
(let ((point (point)))
glyph))
(defun gnus-remove-image (image &optional category)
- (dolist (position (message-text-with-property 'display))
- (when (and (equal (get-text-property position 'display) image)
- (equal (get-text-property position 'gnus-image-category)
+ "Remove the image matching IMAGE and CATEGORY found first."
+ (let ((start (point-min))
+ val end)
+ (while (and (not end)
+ (or (setq val (get-text-property start 'display))
+ (and (setq start
+ (next-single-property-change start 'display))
+ (setq val (get-text-property start 'display)))))
+ (setq end (or (next-single-property-change start 'display)
+ (point-max)))
+ (if (and (equal val image)
+ (equal (get-text-property start 'gnus-image-category)
category))
- (put-text-property position (1+ position) 'display nil)
- (when (get-text-property position 'gnus-image-text-deletable)
- (delete-region position (1+ position))))))
+ (progn
+ (put-text-property start end 'display nil)
+ (when (get-text-property start 'gnus-image-text-deletable)
+ (delete-region start end)))
+ (unless (= end (point-max))
+ (setq start end
+ end nil))))))
+
+(eval-and-compile
+ ;; XEmacs does not have window-inside-pixel-edges
+ (defalias 'gnus-window-inside-pixel-edges
+ (if (fboundp 'window-inside-pixel-edges)
+ 'window-inside-pixel-edges
+ 'window-pixel-edges))
+
+ (if (fboundp 'set-process-plist)
+ (progn
+ (defalias 'gnus-set-process-plist 'set-process-plist)
+ (defalias 'gnus-process-plist 'process-plist)
+ (defalias 'gnus-process-get 'process-get)
+ (defalias 'gnus-process-put 'process-put))
+ (defun gnus-set-process-plist (process plist)
+ "Replace the plist of PROCESS with PLIST. Returns PLIST."
+ (put 'gnus-process-plist-internal process plist))
+
+ (defun gnus-process-plist (process)
+ "Return the plist of PROCESS."
+ ;; This form works but can't prevent the plist data from
+ ;; growing infinitely.
+ ;;(get 'gnus-process-plist-internal process)
+ (let* ((plist (symbol-plist 'gnus-process-plist-internal))
+ (tem (memq process plist)))
+ (prog1
+ (cadr tem)
+ ;; Remove it from the plist data.
+ (when tem
+ (if (eq plist tem)
+ (progn
+ (setcar plist (caddr plist))
+ (setcdr plist (or (cdddr plist) '(nil))))
+ (setcdr (nthcdr (- (length plist) (length tem) 1) plist)
+ (cddr tem)))))))
+
+ (defun gnus-process-get (process propname)
+ "Return the value of PROCESS' PROPNAME property.
+This is the last value stored with `(gnus-process-put PROCESS PROPNAME VALUE)'."
+ (plist-get (gnus-process-plist process) propname))
+
+ (defun gnus-process-put (process propname value)
+ "Change PROCESS' PROPNAME property to VALUE.
+It can be retrieved with `(gnus-process-get PROCESS PROPNAME)'."
+ (gnus-set-process-plist process
+ (plist-put (gnus-process-plist process)
+ propname value)))))
(provide 'gnus-ems)
projects / gnus / blobdiff