;;; isearch.el --- incremental search minor mode.
-;; Copyright (C) 1992, 93, 94, 95, 96, 97, 1999 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 93, 94, 95, 96, 97, 1999, 2000
+;; Free Software Foundation, Inc.
;; Author: Daniel LaLiberte <liberte@cs.uiuc.edu>
;; Maintainer: FSF
;; Several non-printing chars change the searching behavior.
(define-key map "\C-s" 'isearch-repeat-forward)
(define-key map "\C-r" 'isearch-repeat-backward)
+ ;; Define M-C-s and M-C-r like C-s and C-r so that the same key
+ ;; combinations can be used to repeat regexp isearches that can
+ ;; be used to start these searches.
+ (define-key map "\M-\C-s" 'isearch-repeat-forward)
+ (define-key map "\M-\C-r" 'isearch-repeat-backward)
(define-key map "\177" 'isearch-delete-char)
(define-key map "\C-g" 'isearch-abort)
;; This assumes \e is the meta-prefix-char.
(setq ;; quit-flag nil not for isearch-mode
isearch-adjusted nil
isearch-yank-flag nil)
- (isearch-lazy-highlight-new-loop))
+ (isearch-lazy-highlight-new-loop)
+ ;; We must prevent the point moving to the end of composition when a
+ ;; part of the composition has just been searched.
+ (setq disable-point-adjustment t))
(defun isearch-done (&optional nopush edit)
+ (let ((command `(isearch-resume ,isearch-string ,isearch-regexp
+ ,isearch-word ,isearch-forward
+ ,isearch-message
+ ,isearch-case-fold-search)))
+ (unless (equal (car command-history) command)
+ (setq command-history (cons command command-history))))
+
(remove-hook 'mouse-leave-buffer-hook 'isearch-done)
;; Called by all commands that terminate isearch-mode.
;; If NOPUSH is non-nil, we don't push the string on the search ring.
(save-excursion
(and (not isearch-forward) isearch-other-end
(goto-char isearch-other-end))
- (buffer-substring (point) (progn (forward-word 1) (point))))))
+ (buffer-substring-no-properties
+ (point) (progn (forward-word 1) (point))))))
(defun isearch-yank-line ()
"Pull rest of line from buffer into search string."
(save-excursion
(and (not isearch-forward) isearch-other-end
(goto-char isearch-other-end))
- (buffer-substring (point) (line-end-position)))))
+ (buffer-substring-no-properties (point) (line-end-position)))))
(defun isearch-search-and-update ()
(progn
(isearch-done)
(apply 'isearch-unread keylist))
- (apply 'isearch-unread
- (listify-key-sequence (lookup-key function-key-map key)))))
+ (setq keylist
+ (listify-key-sequence (lookup-key function-key-map key)))
+ (while keylist
+ (setq key (car keylist))
+ ;; If KEY is a printing char, we handle it here
+ ;; directly to avoid the input method and keyboard
+ ;; coding system translating it.
+ (if (and (integerp key)
+ (>= key ?\ ) (/= key 127) (< key 256))
+ (progn
+ (isearch-process-search-char key)
+ (setq keylist (cdr keylist)))
+ ;; As the remaining keys in KEYLIST can't be handled
+ ;; here, we must reread them.
+ (apply 'isearch-unread keylist)
+ (setq keylist nil)))))
(
;; Handle an undefined shifted control character
;; by downshifting it if that makes it defined.
(if (and enable-multibyte-characters
(>= char ?\200)
(<= char ?\377))
- (isearch-process-search-char (unibyte-char-to-multibyte char))
+ (if (keyboard-coding-system)
+ (isearch-process-search-multibyte-characters char)
+ (isearch-process-search-char (unibyte-char-to-multibyte char)))
(if current-input-method
(isearch-process-search-multibyte-characters char)
(isearch-process-search-char char)))))
(concat " [" current-input-method-title "]: ")
": ")
)))
- (aset m 0 (upcase (aref m 0)))
- m))
+ (concat (upcase (substring m 0 1)) (substring m 1))))
(defun isearch-message-suffix (&optional c-q-hack ellipsis)
(defvar isearch-overlay nil)
+(defsubst isearch-set-lazy-highlight-faces-at (pos face)
+ "Set the face property of isearch lazy highlight overlays at POS to FACE.
+If POS is nil, nothing is done."
+ (unless (null pos)
+ (dolist (ov (overlays-at pos))
+ (when (and (not (eq ov isearch-overlay))
+ (memq ov isearch-lazy-highlight-overlays)
+ (not (eq (overlay-get ov 'face) face)))
+ (overlay-put ov 'face face)))))
+
(defun isearch-highlight (beg end)
- (if (or (null search-highlight) (null (display-color-p)))
- nil
- (or isearch-overlay (setq isearch-overlay (make-overlay beg end)))
- (move-overlay isearch-overlay beg end (current-buffer))
- (overlay-put isearch-overlay 'face
- (if (internal-find-face 'isearch nil)
- 'isearch 'region))))
+ (unless (or (null search-highlight) (null (display-color-p)))
+ (cond (isearch-overlay
+ ;; Overlay already exists, just move it.
+
+ ;; Check to see if there are any lazy-isearch overlays at
+ ;; the same position with their face property suppressed
+ ;; (to avoid face clashes), and if so, give them their face
+ ;; back.
+ (isearch-set-lazy-highlight-faces-at (overlay-start isearch-overlay)
+ isearch-lazy-highlight-face)
+
+ (move-overlay isearch-overlay beg end (current-buffer)))
+
+ (t
+ ;; Overlay doesn't exist, create it.
+ (setq isearch-overlay (make-overlay beg end))
+ (overlay-put isearch-overlay 'face isearch)))
+
+ ;; Suppress the faces of any lazy-isearch overlays at the new position
+ (isearch-set-lazy-highlight-faces-at beg nil)))
(defun isearch-dehighlight (totally)
- (if isearch-overlay
- (delete-overlay isearch-overlay)))
+ (when isearch-overlay
+ ;; Check to see if there are any lazy-isearch overlays at the same
+ ;; position with their face property suppressed (to avoid face
+ ;; clashes), and if so, give them their face back.
+ (isearch-set-lazy-highlight-faces-at (overlay-start isearch-overlay)
+ isearch-lazy-highlight-face)
+ (delete-overlay isearch-overlay)))
+
;;; General utilities
;; Portability functions to support various Emacs versions.
(defun isearch-text-char-description (c)
- (if (and (integerp c) (or (< c ?\ ) (= c ?\^?)))
- (text-char-description c)
- (char-to-string c)))
+ (cond
+ ((< c ?\ ) (format "^%c" (+ c 64)))
+ ((= c ?\^?) "^?")
+ (t (char-to-string c))))
;; General function to unread characters or events.
;; Also insert them in a keyboard macro being defined.
:type 'number
:group 'isearch-lazy-highlight)
-(defcustom isearch-lazy-highlight-face 'secondary-selection
- "*Face to use for lazily highlighting all matches."
- :type 'face
- :group 'isearch-lazy-highlight)
+(defgroup isearch-faces nil
+ "Lazy highlighting feature for incremental search."
+ :version "21.1"
+ :group 'isearch)
+
+(defface isearch
+ '((t (:inherit region)))
+ "Face for highlighting matches."
+ :group 'isearch-faces)
+(defvar isearch 'isearch)
+
+(defface isearch-lazy-highlight-face
+ '((t (:inherit secondary-selection)))
+ "Face for lazy highlighting of matches."
+ :group 'isearch-faces)
+(defvar isearch-lazy-highlight-face 'isearch-lazy-highlight-face)
(defvar isearch-lazy-highlight-overlays nil)
(defvar isearch-lazy-highlight-wrapped nil)
isearch-lazy-highlight-start))
(let ((found (isearch-lazy-highlight-search))) ;do search
(if found
- ;; found the next match
- (let ((ov (make-overlay (match-beginning 0)
- (match-end 0))))
- (overlay-put ov 'face isearch-lazy-highlight-face)
- (overlay-put ov 'priority 0)
- (setq isearch-lazy-highlight-overlays
- (cons ov isearch-lazy-highlight-overlays))
- (setq isearch-lazy-highlight-timer
- (run-at-time isearch-lazy-highlight-interval nil
- 'isearch-lazy-highlight-update))
- (if isearch-forward
- (setq isearch-lazy-highlight-end (point))
- (setq isearch-lazy-highlight-start (point))))
+ ;; found the next match
+ (let ((ov (make-overlay (match-beginning 0)
+ (match-end 0))))
+ ;; If OV overlaps the current isearch overlay, suppress
+ ;; its face property; otherwise, we sometimes get odd
+ ;; looking face combinations.
+ (unless (memq isearch-overlay
+ (overlays-at (match-beginning 0)))
+ (overlay-put ov 'face isearch-lazy-highlight-face))
+
+ (overlay-put ov 'priority 0)
+
+ (push ov isearch-lazy-highlight-overlays)
+
+ (setq isearch-lazy-highlight-timer
+ (run-at-time isearch-lazy-highlight-interval nil
+ 'isearch-lazy-highlight-update))
+ (if isearch-forward
+ (setq isearch-lazy-highlight-end (point))
+ (setq isearch-lazy-highlight-start (point))))
+
;; found no next match
(when (not isearch-lazy-highlight-wrapped)
;; let's try wrapping around the end of the buffer
(setq isearch-lazy-highlight-end (point-min))
(setq isearch-lazy-highlight-start (point-max))))))))))
+(defun isearch-resume (search regexp word forward message case-fold)
+ "Resume an incremental search.
+SEARCH is the string or regexp searched for.
+REGEXP non-nil means the resumed search was a regexp search.
+WORD non-nil means resume a word search.
+FORWARD non-nil means resume a forward search.
+MESSAGE is the echo-area message recorded for the search resumed.
+CASE-FOLD non-nil means the search was case-insensitive."
+ (isearch-mode forward regexp nil nil word)
+ (setq isearch-string search
+ isearch-message message
+ isearch-case-fold-search case-fold)
+ (isearch-search))
+
;;; isearch.el ends here