summaryrefslogtreecommitdiff
path: root/lisp/gnus/gnus-art.el
diff options
context:
space:
mode:
Diffstat (limited to 'lisp/gnus/gnus-art.el')
-rw-r--r--lisp/gnus/gnus-art.el87
1 files changed, 55 insertions, 32 deletions
diff --git a/lisp/gnus/gnus-art.el b/lisp/gnus/gnus-art.el
index 0b3293f4bb9..9033ef1ff35 100644
--- a/lisp/gnus/gnus-art.el
+++ b/lisp/gnus/gnus-art.el
@@ -5988,39 +5988,51 @@ If given a numerical ARG, move forward ARG pages."
(interactive "P")
(setq arg (if arg (prefix-numeric-value arg) 0))
(with-current-buffer gnus-article-buffer
- (goto-char (point-min))
(widen)
;; Remove any old next/prev buttons.
(when (gnus-visual-p 'page-marker)
(let ((inhibit-read-only t))
(gnus-remove-text-with-property 'gnus-prev)
(gnus-remove-text-with-property 'gnus-next)))
- (if
- (cond ((< arg 0)
- (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
- ((> arg 0)
- (re-search-forward page-delimiter nil 'move arg)))
- (goto-char (match-end 0))
- (save-excursion
- (goto-char (point-min))
- (setq gnus-page-broken
- (and (re-search-forward page-delimiter nil t) t))))
- (when gnus-page-broken
- (narrow-to-region
- (point)
- (if (re-search-forward page-delimiter nil 'move)
- (match-beginning 0)
- (point)))
- (when (and (gnus-visual-p 'page-marker)
- (> (point-min) (save-restriction (widen) (point-min))))
- (save-excursion
- (goto-char (point-min))
- (gnus-insert-prev-page-button)))
- (when (and (gnus-visual-p 'page-marker)
- (< (point-max) (save-restriction (widen) (point-max))))
- (save-excursion
- (goto-char (point-max))
- (gnus-insert-next-page-button))))))
+ (let (st nd pt)
+ (when (save-excursion
+ (cond ((< arg 0)
+ (if (re-search-backward page-delimiter nil 'move (abs arg))
+ (prog1
+ (setq nd (match-beginning 0)
+ pt nd)
+ (when (re-search-backward page-delimiter nil t)
+ (setq st (match-end 0))))
+ (when (re-search-forward page-delimiter nil t)
+ (setq nd (match-beginning 0)
+ pt (point-min)))))
+ ((> arg 0)
+ (if (re-search-forward page-delimiter nil 'move arg)
+ (prog1
+ (setq st (match-end 0)
+ pt st)
+ (when (re-search-forward page-delimiter nil t)
+ (setq nd (match-beginning 0))))
+ (when (re-search-backward page-delimiter nil t)
+ (setq st (match-end 0)
+ pt (point-max)))))
+ (t
+ (when (re-search-backward page-delimiter nil t)
+ (goto-char (setq st (match-end 0))))
+ (when (re-search-forward page-delimiter nil t)
+ (setq nd (match-beginning 0)))
+ (or st nd))))
+ (setq gnus-page-broken t)
+ (when pt (goto-char pt))
+ (narrow-to-region (or st (point-min)) (or nd (point-max)))
+ (when (gnus-visual-p 'page-marker)
+ (save-excursion
+ (when nd
+ (goto-char nd)
+ (gnus-insert-next-page-button))
+ (when st
+ (goto-char st)
+ (gnus-insert-prev-page-button))))))))
;; Article mode commands
@@ -6035,7 +6047,7 @@ If given a numerical ARG, move forward ARG pages."
(defun gnus-article-goto-prev-page ()
"Show the previous page of the article."
(interactive)
- (if (bobp)
+ (if (save-restriction (widen) (bobp)) ;; Real beginning-of-buffer?
(gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
(gnus-article-prev-page nil)))
@@ -6395,10 +6407,21 @@ then we display only bindings that start with that prefix."
(define-key map [t] nil)
(with-current-buffer gnus-article-current-summary
(set-keymap-parent map (key-binding "S"))
- (let (def gnus-pick-mode)
- (dolist (key sumkeys)
- (when (setq def (key-binding key))
- (define-key keymap key def))))
+ (let (key def gnus-pick-mode)
+ (while sumkeys
+ (setq key (pop sumkeys))
+ (cond ((and (vectorp key) (= (length key) 1)
+ (consp (setq def (aref key 0)))
+ (numberp (car def)) (numberp (cdr def)))
+ (when (< (max (car def) (cdr def)) 128)
+ (setq sumkeys
+ (append (mapcar
+ #'vector
+ (nreverse (gnus-uncompress-range def)))
+ sumkeys))))
+ ((setq def (key-binding key))
+ (unless (eq def 'undefined)
+ (define-key keymap key def))))))
(when (boundp 'gnus-agent-summary-mode)
(setq agent gnus-agent-summary-mode))
(when (boundp 'gnus-draft-mode)