;;; 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 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")
(defun gnus-kill-all-overlays ()
(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
"Non-nil means the mark and region are currently active in this buffer."
mark-active) ; aliased to region-exists-p in XEmacs.
+(autoload 'gnus-alive-p "gnus-util")
+(autoload 'mm-disable-multibyte "mm-util")
+
(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))))))
+ (interactive)
+ (unless window-system
+ (error "`gnus-x-splash' requires running on the window system"))
+ (switch-to-buffer (gnus-get-buffer-create (if (or (gnus-alive-p)
+ (interactive-p))
+ "*gnus-x-splash*"
+ gnus-group-buffer)))
+ (let ((inhibit-read-only t)
+ (file (nnheader-find-etc-directory "images/gnus/x-splash" t))
+ pixmap fcw fch width height fringes sbars left yoffset top ls)
+ (erase-buffer)
+ (sit-for 0) ;; Necessary for measuring the window size correctly.
+ (when (and file
+ (ignore-errors
+ (let ((coding-system-for-read 'raw-text))
+ (with-temp-buffer
+ (mm-disable-multibyte)
+ (insert-file-contents file)
+ (goto-char (point-min))
+ (setq pixmap (read (current-buffer)))))))
+ (setq fcw (float (frame-char-width))
+ fch (float (frame-char-height))
+ width (/ (car pixmap) fcw)
+ height (/ (cadr pixmap) fch)
+ fringes (if (fboundp 'window-fringes)
+ (eval '(window-fringes))
+ '(10 11 nil))
+ sbars (frame-parameter nil 'vertical-scroll-bars))
+ (cond ((eq sbars 'right)
+ (setq sbars
+ (cons 0 (/ (or (frame-parameter nil 'scroll-bar-width) 14)
+ fcw))))
+ (sbars
+ (setq sbars
+ (cons (/ (or (frame-parameter nil 'scroll-bar-width) 14)
+ fcw)
+ 0)))
+ (t
+ (setq sbars '(0 . 0))))
+ (setq left (- (* (round (/ (1- (/ (+ (window-width)
+ (car sbars) (cdr sbars)
+ (/ (+ (or (car fringes) 0)
+ (or (cadr fringes) 0))
+ fcw))
+ width))
+ 2))
+ width)
+ (car sbars)
+ (/ (or (car fringes) 0) fcw))
+ yoffset (cadr (window-edges))
+ top (max 0 (- (* (max (if (and (boundp 'tool-bar-mode)
+ tool-bar-mode
+ (not (featurep 'gtk))
+ (eq (frame-first-window)
+ (selected-window)))
+ 1 0)
+ (round (/ (1- (/ (+ (1- (window-height))
+ (* 2 yoffset))
+ height))
+ 2)))
+ height)
+ yoffset))
+ ls (/ (or line-spacing 0) fch)
+ height (max 0 (- height ls)))
+ (cond ((>= (- top ls) 1)
+ (insert
+ (propertize
+ " "
+ 'display `(space :width 0 :ascent 100))
+ "\n"
+ (propertize
+ " "
+ 'display `(space :width 0 :height ,(- top ls 1) :ascent 100))
+ "\n"))
+ ((> (- top ls) 0)
+ (insert
+ (propertize
+ " "
+ 'display `(space :width 0 :height ,(- top ls) :ascent 100))
+ "\n")))
+ (if (and (> width 0) (> left 0))
+ (insert (propertize
+ " "
+ 'display `(space :width ,left :height ,height :ascent 0)))
+ (setq width (+ width left)))
+ (when (> width 0)
+ (insert (propertize
+ " "
+ 'display `(space :width ,width :height ,height :ascent 0)
+ 'face `(gnus-splash :stipple ,pixmap))))
+ (goto-char (if (<= (- top ls) 0) (1- (point)) (point-min)))
+ (redraw-frame (selected-frame))
+ (sit-for 0))))
;;; 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)))
- (insert-image glyph (or string " "))
+ (insert-image glyph (or string "*"))
(put-text-property point (point) 'gnus-image-category category)
(unless string
(put-text-property (1- (point)) (point)
(setq start end
end nil))))))
+(eval-and-compile
+ (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)
-;;; arch-tag: e7360b45-14b5-4171-aa39-69a44aed3cdb
;;; gnus-ems.el ends here
projects / gnus / blobdiff