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| author | Tassilo Horn <[email protected]> | 2008-01-29 18:00:40 +0000 |
|---|---|---|
| committer | Tassilo Horn <[email protected]> | 2008-01-29 18:00:40 +0000 |
| commit | 54089c0eea82caf34ce360cac85c39bd74a3df8a (patch) | |
| tree | 5d506759d94101973920d8fae9da635eb9018b5c /lisp/image-mode.el | |
| parent | 5c8a04f1a93e11538bf895b1755465aa45e244c9 (diff) | |
* image-mode.el (image-mode-current-vscroll)
(image-mode-current-hscroll): Add doc strings.
(image-set-window-vscroll, image-set-window-hscroll)
(image-reset-current-vhscroll, image-mode): Adapt to
i-m-current-[vh]scroll being an alist now.
Diffstat (limited to 'lisp/image-mode.el')
| -rw-r--r-- | lisp/image-mode.el | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/lisp/image-mode.el b/lisp/image-mode.el index 7af8d0f82d..55caae9a91 100644 --- a/lisp/image-mode.el +++ b/lisp/image-mode.el @@ -50,20 +50,32 @@ ;;; Image scrolling functions -(defvar image-mode-current-vscroll nil) -(defvar image-mode-current-hscroll nil) +(defvar image-mode-current-vscroll nil + "An alist with elements (WINDOW . VSCROLL).") + +(defvar image-mode-current-hscroll nil + "An alist with elements (WINDOW . HSCROLL).") (defun image-set-window-vscroll (window vscroll &optional pixels-p) - (setq image-mode-current-vscroll vscroll) + (setq image-mode-current-vscroll + (append (list (cons window vscroll)) + (delete (assoc window image-mode-current-vscroll) + image-mode-current-vscroll))) (set-window-vscroll window vscroll pixels-p)) (defun image-set-window-hscroll (window ncol) - (setq image-mode-current-hscroll ncol) + (setq image-mode-current-hscroll + (append (list (cons window ncol)) + (delete (assoc window image-mode-current-hscroll) + image-mode-current-hscroll))) (set-window-hscroll window ncol)) (defun image-reset-current-vhscroll () - (set-window-hscroll (selected-window) image-mode-current-hscroll) - (set-window-vscroll (selected-window) image-mode-current-vscroll)) + (let ((win (selected-window))) + (when (assoc win image-mode-current-hscroll) + (set-window-hscroll win (cdr (assoc win image-mode-current-hscroll)))) + (when (assoc win image-mode-current-vscroll) + (set-window-vscroll win (cdr (assoc win image-mode-current-vscroll)))))) (defun image-forward-hscroll (&optional n) "Scroll image in current window to the left by N character widths. @@ -241,10 +253,10 @@ to toggle between display as an image and display as text." 'image-bookmark-make-cell) ;; Keep track of [vh]scroll when switching buffers - (set (make-local-variable 'image-mode-current-hscroll) - (window-hscroll (selected-window))) - (set (make-local-variable 'image-mode-current-vscroll) - (window-vscroll (selected-window))) + (make-local-variable 'image-mode-current-hscroll) + (make-local-variable 'image-mode-current-vscroll) + (image-set-window-hscroll (selected-window) (window-hscroll)) + (image-set-window-vscroll (selected-window) (window-vscroll)) (add-hook 'window-configuration-change-hook 'image-reset-current-vhscroll nil t) |