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authorJuanma Barranquero <lekktu@gmail.com>2008-08-31 13:46:54 +0000
committerJuanma Barranquero <lekktu@gmail.com>2008-08-31 13:46:54 +0000
commit8e54981d5a2983077518a9bf2b87f778f3256e02 (patch)
tree62fdf28973a115701e77aa358c80ca78c5c26ad2 /lisp/linum.el
parentb86402ab4420302287185df92f0f3fefe0d295bb (diff)
downloademacs-8e54981d5a2983077518a9bf2b87f778f3256e02.tar.gz
Fix EOL mishap.
Diffstat (limited to 'lisp/linum.el')
-rw-r--r--lisp/linum.el392
1 files changed, 196 insertions, 196 deletions
diff --git a/lisp/linum.el b/lisp/linum.el
index 043c9d3420b..4f77035b496 100644
--- a/lisp/linum.el
+++ b/lisp/linum.el
@@ -1,196 +1,196 @@
-;;; linum.el --- display line numbers in the left margin
-
-;; Copyright (C) 2008 Free Software Foundation, Inc.
-
-;; Author: Markus Triska <markus.triska@gmx.at>
-;; Maintainer: FSF
-;; Keywords: convenience
-
-;; This file is part of GNU Emacs.
-
-;; 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 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
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;; Display line numbers for the current buffer.
-;;
-;; Toggle display of line numbers with M-x linum-mode. To enable
-;; line numbering in all buffers, use M-x global-linum-mode.
-
-;;; Code:
-
-(defconst linum-version "0.9x")
-
-(defvar linum-overlays nil "Overlays used in this buffer.")
-(defvar linum-available nil "Overlays available for reuse.")
-(defvar linum-before-numbering-hook nil
- "Functions run in each buffer before line numbering starts.")
-
-(mapc #'make-variable-buffer-local '(linum-overlays linum-available))
-
-(defgroup linum nil
- "Show line numbers in the left margin."
- :group 'convenience)
-
-;;;###autoload
-(defcustom linum-format 'dynamic
- "Format used to display line numbers.
-Either a format string like \"%7d\", `dynamic' to adapt the width
-as needed, or a function that is called with a line number as its
-argument and should evaluate to a string to be shown on that line.
-See also `linum-before-numbering-hook'."
- :group 'linum
- :type 'sexp)
-
-(defface linum
- '((t :inherit (shadow default)))
- "Face for displaying line numbers in the display margin."
- :group 'linum)
-
-(defcustom linum-eager t
- "Whether line numbers should be updated after each command.
-The conservative setting `nil' might miss some buffer changes,
-and you have to scroll or press \\[recenter-top-bottom] to update the numbers."
- :group 'linum
- :type 'boolean)
-
-(defcustom linum-delay nil
- "Delay updates to give Emacs a chance for other changes."
- :group 'linum
- :type 'boolean)
-
-;;;###autoload
-(define-minor-mode linum-mode
- "Toggle display of line numbers in the left margin."
- :lighter "" ; for desktop.el
- (if linum-mode
- (progn
- (if linum-eager
- (add-hook 'post-command-hook (if linum-delay
- 'linum-schedule
- 'linum-update-current) nil t)
- (add-hook 'after-change-functions 'linum-after-change nil t))
- (add-hook 'window-scroll-functions 'linum-after-scroll nil t)
- (add-hook 'window-size-change-functions 'linum-after-size nil t)
- (add-hook 'change-major-mode-hook 'linum-delete-overlays nil t)
- (add-hook 'window-configuration-change-hook
- 'linum-after-config nil t)
- (linum-update-current))
- (remove-hook 'post-command-hook 'linum-update-current t)
- (remove-hook 'post-command-hook 'linum-schedule t)
- (remove-hook 'window-size-change-functions 'linum-after-size t)
- (remove-hook 'window-scroll-functions 'linum-after-scroll t)
- (remove-hook 'after-change-functions 'linum-after-change t)
- (remove-hook 'window-configuration-change-hook 'linum-after-config t)
- (remove-hook 'change-major-mode-hook 'linum-delete-overlays t)
- (linum-delete-overlays)))
-
-;;;###autoload
-(define-globalized-minor-mode global-linum-mode linum-mode linum-on)
-
-(defun linum-on ()
- (unless (minibufferp)
- (linum-mode 1)))
-
-(defun linum-delete-overlays ()
- "Delete all overlays displaying line numbers for this buffer."
- (mapc #'delete-overlay linum-overlays)
- (setq linum-overlays nil)
- (dolist (w (get-buffer-window-list (current-buffer) nil t))
- (set-window-margins w 0)))
-
-(defun linum-update-current ()
- "Update line numbers for the current buffer."
- (linum-update (current-buffer)))
-
-(defun linum-update (buffer)
- "Update line numbers for all windows displaying BUFFER."
- (with-current-buffer buffer
- (when linum-mode
- (setq linum-available linum-overlays)
- (setq linum-overlays nil)
- (save-excursion
- (mapc #'linum-update-window
- (get-buffer-window-list buffer nil 'visible)))
- (mapc #'delete-overlay linum-available)
- (setq linum-available nil))))
-
-(defun linum-update-window (win)
- "Update line numbers for the portion visible in window WIN."
- (goto-char (window-start win))
- (let ((line (line-number-at-pos))
- (limit (window-end win t))
- (fmt (cond ((stringp linum-format) linum-format)
- ((eq linum-format 'dynamic)
- (let ((w (length (number-to-string
- (count-lines (point-min) (point-max))))))
- (concat "%" (number-to-string w) "d")))))
- (width 0))
- (run-hooks 'linum-before-numbering-hook)
- ;; Create an overlay (or reuse an existing one) for each
- ;; line visible in this window, if necessary.
- (while (and (not (eobp)) (<= (point) limit))
- (let* ((str (if fmt
- (propertize (format fmt line) 'face 'linum)
- (funcall linum-format line)))
- (visited (catch 'visited
- (dolist (o (overlays-in (point) (point)))
- (when (string= (overlay-get o 'linum-str) str)
- (unless (memq o linum-overlays)
- (push o linum-overlays))
- (setq linum-available (delete o linum-available))
- (throw 'visited t))))))
- (setq width (max width (length str)))
- (unless visited
- (let ((ov (if (null linum-available)
- (make-overlay (point) (point))
- (move-overlay (pop linum-available) (point) (point)))))
- (push ov linum-overlays)
- (overlay-put ov 'before-string
- (propertize " " 'display `((margin left-margin) ,str)))
- (overlay-put ov 'linum-str str))))
- (forward-line)
- (setq line (1+ line)))
- (set-window-margins win width)))
-
-(defun linum-after-change (beg end len)
- ;; update overlays on deletions, and after newlines are inserted
- (when (or (= beg end)
- (= end (point-max))
- (string-match-p "\n" (buffer-substring-no-properties beg end)))
- (linum-update-current)))
-
-(defun linum-after-scroll (win start)
- (linum-update (window-buffer win)))
-
-(defun linum-after-size (frame)
- (linum-after-config))
-
-(defun linum-schedule ()
- ;; schedule an update; the delay gives Emacs a chance for display changes
- (run-with-idle-timer 0 nil #'linum-update-current))
-
-(defun linum-after-config ()
- (walk-windows (lambda (w) (linum-update (window-buffer w))) nil 'visible))
-
-(defun linum-unload-function ()
- "Unload the Linum library."
- (global-linum-mode -1)
- ;; continue standard unloading
- nil)
-
-(provide 'linum)
-
-;; arch-tag: dea45631-ed3c-4867-8b49-1c41c80aec6a
-;;; linum.el ends here
+;;; linum.el --- display line numbers in the left margin
+
+;; Copyright (C) 2008 Free Software Foundation, Inc.
+
+;; Author: Markus Triska <markus.triska@gmx.at>
+;; Maintainer: FSF
+;; Keywords: convenience
+
+;; This file is part of GNU Emacs.
+
+;; 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 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
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; Display line numbers for the current buffer.
+;;
+;; Toggle display of line numbers with M-x linum-mode. To enable
+;; line numbering in all buffers, use M-x global-linum-mode.
+
+;;; Code:
+
+(defconst linum-version "0.9x")
+
+(defvar linum-overlays nil "Overlays used in this buffer.")
+(defvar linum-available nil "Overlays available for reuse.")
+(defvar linum-before-numbering-hook nil
+ "Functions run in each buffer before line numbering starts.")
+
+(mapc #'make-variable-buffer-local '(linum-overlays linum-available))
+
+(defgroup linum nil
+ "Show line numbers in the left margin."
+ :group 'convenience)
+
+;;;###autoload
+(defcustom linum-format 'dynamic
+ "Format used to display line numbers.
+Either a format string like \"%7d\", `dynamic' to adapt the width
+as needed, or a function that is called with a line number as its
+argument and should evaluate to a string to be shown on that line.
+See also `linum-before-numbering-hook'."
+ :group 'linum
+ :type 'sexp)
+
+(defface linum
+ '((t :inherit (shadow default)))
+ "Face for displaying line numbers in the display margin."
+ :group 'linum)
+
+(defcustom linum-eager t
+ "Whether line numbers should be updated after each command.
+The conservative setting `nil' might miss some buffer changes,
+and you have to scroll or press \\[recenter-top-bottom] to update the numbers."
+ :group 'linum
+ :type 'boolean)
+
+(defcustom linum-delay nil
+ "Delay updates to give Emacs a chance for other changes."
+ :group 'linum
+ :type 'boolean)
+
+;;;###autoload
+(define-minor-mode linum-mode
+ "Toggle display of line numbers in the left margin."
+ :lighter "" ; for desktop.el
+ (if linum-mode
+ (progn
+ (if linum-eager
+ (add-hook 'post-command-hook (if linum-delay
+ 'linum-schedule
+ 'linum-update-current) nil t)
+ (add-hook 'after-change-functions 'linum-after-change nil t))
+ (add-hook 'window-scroll-functions 'linum-after-scroll nil t)
+ (add-hook 'window-size-change-functions 'linum-after-size nil t)
+ (add-hook 'change-major-mode-hook 'linum-delete-overlays nil t)
+ (add-hook 'window-configuration-change-hook
+ 'linum-after-config nil t)
+ (linum-update-current))
+ (remove-hook 'post-command-hook 'linum-update-current t)
+ (remove-hook 'post-command-hook 'linum-schedule t)
+ (remove-hook 'window-size-change-functions 'linum-after-size t)
+ (remove-hook 'window-scroll-functions 'linum-after-scroll t)
+ (remove-hook 'after-change-functions 'linum-after-change t)
+ (remove-hook 'window-configuration-change-hook 'linum-after-config t)
+ (remove-hook 'change-major-mode-hook 'linum-delete-overlays t)
+ (linum-delete-overlays)))
+
+;;;###autoload
+(define-globalized-minor-mode global-linum-mode linum-mode linum-on)
+
+(defun linum-on ()
+ (unless (minibufferp)
+ (linum-mode 1)))
+
+(defun linum-delete-overlays ()
+ "Delete all overlays displaying line numbers for this buffer."
+ (mapc #'delete-overlay linum-overlays)
+ (setq linum-overlays nil)
+ (dolist (w (get-buffer-window-list (current-buffer) nil t))
+ (set-window-margins w 0)))
+
+(defun linum-update-current ()
+ "Update line numbers for the current buffer."
+ (linum-update (current-buffer)))
+
+(defun linum-update (buffer)
+ "Update line numbers for all windows displaying BUFFER."
+ (with-current-buffer buffer
+ (when linum-mode
+ (setq linum-available linum-overlays)
+ (setq linum-overlays nil)
+ (save-excursion
+ (mapc #'linum-update-window
+ (get-buffer-window-list buffer nil 'visible)))
+ (mapc #'delete-overlay linum-available)
+ (setq linum-available nil))))
+
+(defun linum-update-window (win)
+ "Update line numbers for the portion visible in window WIN."
+ (goto-char (window-start win))
+ (let ((line (line-number-at-pos))
+ (limit (window-end win t))
+ (fmt (cond ((stringp linum-format) linum-format)
+ ((eq linum-format 'dynamic)
+ (let ((w (length (number-to-string
+ (count-lines (point-min) (point-max))))))
+ (concat "%" (number-to-string w) "d")))))
+ (width 0))
+ (run-hooks 'linum-before-numbering-hook)
+ ;; Create an overlay (or reuse an existing one) for each
+ ;; line visible in this window, if necessary.
+ (while (and (not (eobp)) (<= (point) limit))
+ (let* ((str (if fmt
+ (propertize (format fmt line) 'face 'linum)
+ (funcall linum-format line)))
+ (visited (catch 'visited
+ (dolist (o (overlays-in (point) (point)))
+ (when (string= (overlay-get o 'linum-str) str)
+ (unless (memq o linum-overlays)
+ (push o linum-overlays))
+ (setq linum-available (delete o linum-available))
+ (throw 'visited t))))))
+ (setq width (max width (length str)))
+ (unless visited
+ (let ((ov (if (null linum-available)
+ (make-overlay (point) (point))
+ (move-overlay (pop linum-available) (point) (point)))))
+ (push ov linum-overlays)
+ (overlay-put ov 'before-string
+ (propertize " " 'display `((margin left-margin) ,str)))
+ (overlay-put ov 'linum-str str))))
+ (forward-line)
+ (setq line (1+ line)))
+ (set-window-margins win width)))
+
+(defun linum-after-change (beg end len)
+ ;; update overlays on deletions, and after newlines are inserted
+ (when (or (= beg end)
+ (= end (point-max))
+ (string-match-p "\n" (buffer-substring-no-properties beg end)))
+ (linum-update-current)))
+
+(defun linum-after-scroll (win start)
+ (linum-update (window-buffer win)))
+
+(defun linum-after-size (frame)
+ (linum-after-config))
+
+(defun linum-schedule ()
+ ;; schedule an update; the delay gives Emacs a chance for display changes
+ (run-with-idle-timer 0 nil #'linum-update-current))
+
+(defun linum-after-config ()
+ (walk-windows (lambda (w) (linum-update (window-buffer w))) nil 'visible))
+
+(defun linum-unload-function ()
+ "Unload the Linum library."
+ (global-linum-mode -1)
+ ;; continue standard unloading
+ nil)
+
+(provide 'linum)
+
+;; arch-tag: dea45631-ed3c-4867-8b49-1c41c80aec6a
+;;; linum.el ends here