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Diffstat (limited to 'lisp/gnus/gnus-ems.el')
| -rw-r--r-- | lisp/gnus/gnus-ems.el | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/lisp/gnus/gnus-ems.el b/lisp/gnus/gnus-ems.el deleted file mode 100644 index 400ac4f02bd..00000000000 --- a/lisp/gnus/gnus-ems.el +++ /dev/null @@ -1,266 +0,0 @@ -;;; gnus-ems.el --- functions for making Gnus work under different Emacsen - -;; Copyright (C) 1995-2016 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 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 -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;; GNU General Public License for more details. - -;; You should have received a copy of the GNU General Public License -;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. - -;;; Commentary: - -;;; Code: - -(eval-when-compile - (require 'cl) - (require 'ring)) - -;;; Function aliases later to be redefined for XEmacs usage. - -(defvar gnus-mouse-2 [mouse-2]) -(defvar gnus-down-mouse-3 [down-mouse-3]) -(defvar gnus-down-mouse-2 [down-mouse-2]) -(defvar gnus-widget-button-keymap nil) -(defvar gnus-mode-line-modified - (if (featurep 'xemacs) - '("--**-" . "-----") - '("**" "--"))) - -(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 'smiley-region "smiley") - -(defun gnus-kill-all-overlays () - "Delete all overlays in the current buffer." - (let* ((overlayss (overlay-lists)) - (buffer-read-only nil) - (overlays (delq nil (nconc (car overlayss) (cdr overlayss))))) - (while overlays - (delete-overlay (pop overlays))))) - -;;; Mule functions. - -(defun gnus-mule-max-width-function (el max-width) - `(let* ((val (eval (, el))) - (valstr (if (numberp val) - (int-to-string val) val))) - (if (> (length valstr) ,max-width) - (truncate-string-to-width valstr ,max-width) - valstr))) - -(eval-and-compile - (if (featurep 'xemacs) - (gnus-xmas-define) - (defvar gnus-mouse-face-prop 'mouse-face - "Property used for highlighting mouse regions."))) - -(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 - ((featurep 'xemacs) - (gnus-xmas-redefine)) - - ((featurep 'mule) - ;; Mule and new Emacs definitions - - ;; [Note] Now there are three kinds of mule implementations, - ;; original MULE, XEmacs/mule and Emacs 20+ including - ;; MULE features. Unfortunately these APIs are different. In - ;; particular, Emacs (including original Mule) and XEmacs are - ;; quite different. However, this version of Gnus doesn't support - ;; anything other than XEmacs 20+ and Emacs 20.3+. - - ;; Predicates to check are following: - ;; (boundp 'MULE) is t only if Mule (original; anything older than - ;; Mule 2.3) is running. - ;; (featurep 'mule) is t when other mule variants are running. - - ;; It is possible to detect XEmacs/mule by (featurep 'mule) and - ;; (featurep 'xemacs). In this case, the implementation for - ;; XEmacs/mule may be shareable between XEmacs and XEmacs/mule. - - (defvar gnus-summary-display-table nil - "Display table used in summary mode buffers.") - (defalias 'gnus-max-width-function 'gnus-mule-max-width-function) - - (when (boundp 'gnus-check-before-posting) - (setq gnus-check-before-posting - (delq 'long-lines - (delq 'control-chars gnus-check-before-posting)))) - - (defun gnus-summary-line-format-spec () - (insert gnus-tmp-unread gnus-tmp-replied - gnus-tmp-score-char gnus-tmp-indentation) - (put-text-property - (point) - (progn - (insert - gnus-tmp-opening-bracket - (format "%4d: %-20s" - gnus-tmp-lines - (if (> (length gnus-tmp-name) 20) - (truncate-string-to-width gnus-tmp-name 20) - gnus-tmp-name)) - gnus-tmp-closing-bracket) - (point)) - 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) - transient-mark-mode - (boundp 'mark-active) - mark-active)) - -(defun gnus-mark-active-p () - "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") - -;;; Image functions. - -(defun gnus-image-type-available-p (type) - (and (fboundp 'image-type-available-p) - (if (fboundp 'display-images-p) - (display-images-p) - t) - (image-type-available-p type))) - -(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)))) - (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 " ")) - (put-text-property point (point) 'gnus-image-category category) - (unless string - (put-text-property (1- (point)) (point) - 'gnus-image-text-deletable t)) - glyph)) - -(defun gnus-remove-image (image &optional 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)) - (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)))))) - -(defmacro gnus-string-mark-left-to-right (string) - (if (fboundp 'bidi-string-mark-left-to-right) - `(bidi-string-mark-left-to-right ,string) - string)) - -(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 (or (featurep 'emacs) (fboundp 'set-process-plist)) - (progn ; these exist since Emacs 22.1 - (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) - -;;; gnus-ems.el ends here |