If the value is `open', if the text matched is made invisible by
an overlay having an `invisible' property and that overlay has a property
`isearch-open-invisible', then incremental search will show the contents.
-\(This applies when using `outline.el' and `hideshow.el'.)"
+\(This applies when using `outline.el' and `hideshow.el'.)
+See also `reveal-mode' if you want overlays to automatically be opened
+whenever point is in one of them."
:type '(choice (const :tag "Match hidden text" t)
(const :tag "Open overlays" open)
(const :tag "Don't match hidden text" nil))
(defvar isearch-forward nil) ; Searching in the forward direction.
(defvar isearch-regexp nil) ; Searching for a regexp.
(defvar isearch-word nil) ; Searching for words.
+(defvar isearch-hidden nil) ; Non-nil if the string exists but is invisible.
(defvar isearch-cmds nil
"Stack of search status sets.
(if (and (window-minibuffer-p w)
(not (minibuffer-window-active-p w))) ; in echo area
(isearch-yank-x-selection)
- (when binding
+ (when (functionp binding)
(call-interactively binding)))))
(defun isearch-yank-line ()
"Pull rest of line from buffer into search string."
(interactive)
- (isearch-yank-internal (lambda () (line-end-position))))
+ (isearch-yank-internal 'line-end-position)))
(defun isearch-search-and-update ()
;; unsuccessful regexp search may become
;; successful by addition of characters which
;; make isearch-string valid
- isearch-regexp)
+ isearch-regexp
+ ;; If the string was found but was completely invisible,
+ ;; it might now be partly visible, so try again.
+ (prog1 isearch-hidden (setq isearch-hidden nil)))
;; In reverse search, adding stuff at
;; the end may cause zero or many more chars to be
;; matched, in the string following point.
(defun isearch-range-invisible (beg end)
"Return t if all the text from BEG to END is invisible."
- (and (/= beg end)
- ;; Check that invisibility runs up to END.
- (save-excursion
- (goto-char beg)
- (let (
- ;; can-be-opened keeps track if we can open some overlays.
- (can-be-opened (eq search-invisible 'open))
- ;; the list of overlays that could be opened
- (crt-overlays nil))
- (when (and can-be-opened isearch-hide-immediately)
- (isearch-close-unnecessary-overlays beg end))
- ;; If the following character is currently invisible,
- ;; skip all characters with that same `invisible' property value.
- ;; Do that over and over.
- (while (and (< (point) end)
- (let ((prop
- (get-char-property (point) 'invisible)))
- (if (eq buffer-invisibility-spec t)
- prop
- (or (memq prop buffer-invisibility-spec)
- (assq prop buffer-invisibility-spec)))))
- (if (get-text-property (point) 'invisible)
- (progn
- (goto-char (next-single-property-change (point) 'invisible
- nil end))
- ;; if text is hidden by an `invisible' text property
- ;; we cannot open it at all.
- (setq can-be-opened nil))
- (unless (null can-be-opened)
- (let ((overlays (overlays-at (point)))
- ov-list
- o
- invis-prop)
- (while overlays
- (setq o (car overlays)
- invis-prop (overlay-get o 'invisible))
- (if (if (eq buffer-invisibility-spec t)
- invis-prop
- (or (memq invis-prop buffer-invisibility-spec)
- (assq invis-prop buffer-invisibility-spec)))
- (if (overlay-get o 'isearch-open-invisible)
- (setq ov-list (cons o ov-list))
- ;; We found one overlay that cannot be
- ;; opened, that means the whole chunk
- ;; cannot be opened.
- (setq can-be-opened nil)))
- (setq overlays (cdr overlays)))
- (if can-be-opened
- ;; It makes sense to append to the open
- ;; overlays list only if we know that this is
- ;; t.
- (setq crt-overlays (append ov-list crt-overlays)))))
- (goto-char (next-overlay-change (point)))))
- ;; See if invisibility reaches up thru END.
- (if (>= (point) end)
- (if (and (not (null can-be-opened)) (consp crt-overlays))
- (progn
- (setq isearch-opened-overlays
- (append isearch-opened-overlays crt-overlays))
- (mapc 'isearch-open-overlay-temporary crt-overlays)
- nil)
- t))))))
+ (when (/= beg end)
+ ;; Check that invisibility runs up to END.
+ (save-excursion
+ (goto-char beg)
+ (let (;; can-be-opened keeps track if we can open some overlays.
+ (can-be-opened (eq search-invisible 'open))
+ ;; the list of overlays that could be opened
+ (crt-overlays nil))
+ (when (and can-be-opened isearch-hide-immediately)
+ (isearch-close-unnecessary-overlays beg end))
+ ;; If the following character is currently invisible,
+ ;; skip all characters with that same `invisible' property value.
+ ;; Do that over and over.
+ (while (and (< (point) end)
+ (let ((prop
+ (get-char-property (point) 'invisible)))
+ (if (eq buffer-invisibility-spec t)
+ prop
+ (or (memq prop buffer-invisibility-spec)
+ (assq prop buffer-invisibility-spec)))))
+ (if (get-text-property (point) 'invisible)
+ (progn
+ (goto-char (next-single-property-change (point) 'invisible
+ nil end))
+ ;; if text is hidden by an `invisible' text property
+ ;; we cannot open it at all.
+ (setq can-be-opened nil))
+ (when can-be-opened
+ (let ((overlays (overlays-at (point)))
+ ov-list
+ o
+ invis-prop)
+ (while overlays
+ (setq o (car overlays)
+ invis-prop (overlay-get o 'invisible))
+ (if (if (eq buffer-invisibility-spec t)
+ invis-prop
+ (or (memq invis-prop buffer-invisibility-spec)
+ (assq invis-prop buffer-invisibility-spec)))
+ (if (overlay-get o 'isearch-open-invisible)
+ (setq ov-list (cons o ov-list))
+ ;; We found one overlay that cannot be
+ ;; opened, that means the whole chunk
+ ;; cannot be opened.
+ (setq can-be-opened nil)))
+ (setq overlays (cdr overlays)))
+ (if can-be-opened
+ ;; It makes sense to append to the open
+ ;; overlays list only if we know that this is
+ ;; t.
+ (setq crt-overlays (append ov-list crt-overlays)))))
+ (goto-char (next-overlay-change (point)))))
+ ;; See if invisibility reaches up thru END.
+ (if (>= (point) end)
+ (if (and can-be-opened (consp crt-overlays))
+ (progn
+ (setq isearch-opened-overlays
+ (append isearch-opened-overlays crt-overlays))
+ (mapc 'isearch-open-overlay-temporary crt-overlays)
+ nil)
+ (setq isearch-hidden t)))))))
\f
;; Highlighting