;;; gnus-ems.el --- functions for making Gnus work under different Emacsen
;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-;; 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(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."
- (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)
(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
+ ;; 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)
-;; arch-tag: e7360b45-14b5-4171-aa39-69a44aed3cdb
;;; gnus-ems.el ends here
projects / gnus / blobdiff