;; 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 3, 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., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
"Special hook run when image data is requested in a new window.
It is called with one argument, the initial WINPROPS.")
-(defun image-mode-winprops (&optional window)
+(defun image-mode-winprops (&optional window cleanup)
"Return winprops of WINDOW.
A winprops object has the shape (WINDOW . ALIST)."
- (unless window (setq window (selected-window)))
+ (cond ((null window)
+ (setq window (selected-window)))
+ ((not (windowp window))
+ (error "Not a window: %s" window)))
+ (when cleanup
+ (setq image-mode-winprops-alist
+ (delq nil (mapcar (lambda (winprop)
+ (if (window-live-p (car-safe winprop))
+ winprop))
+ image-mode-winprops-alist))))
(let ((winprops (assq window image-mode-winprops-alist)))
;; For new windows, set defaults from the latest.
(unless winprops
(defun image-mode-reapply-winprops ()
;; When set-window-buffer, set hscroll and vscroll to what they were
;; last time the image was displayed in this window.
- (when (listp image-mode-winprops-alist)
- (let* ((winprops (image-mode-winprops))
+ (when (and (image-get-display-property)
+ (listp image-mode-winprops-alist))
+ (let* ((winprops (image-mode-winprops nil t))
(hscroll (image-mode-window-get 'hscroll winprops))
(vscroll (image-mode-window-get 'vscroll winprops)))
(if hscroll (set-window-hscroll (selected-window) hscroll))
(if (eq (window-buffer) (current-buffer))
(selected-window))))
+(declare-function image-size "image.c" (spec &optional pixels frame))
+
(defun image-forward-hscroll (&optional n)
"Scroll image in current window to the left by N character widths.
Stop if the right edge of the image is reached."
(defvar image-mode-map
(let ((map (make-sparse-keymap)))
+ (suppress-keymap map)
+ (define-key map "q" 'quit-window)
+ ;;
(define-key map "\C-c\C-c" 'image-toggle-display)
+ (define-key map (kbd "SPC") 'image-scroll-up)
+ (define-key map (kbd "DEL") 'image-scroll-down)
+ ;;
(define-key map [remap forward-char] 'image-forward-hscroll)
(define-key map [remap backward-char] 'image-backward-hscroll)
(define-key map [remap previous-line] 'image-previous-line)
(defvar archive-superior-buffer)
(defvar tar-superior-buffer)
+(declare-function image-refresh "image.c" (spec &optional frame))
(defun image-toggle-display ()
"Start or stop displaying an image file as the actual image.