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Diffstat (limited to 'lisp/vc-annotate.el')
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diff --git a/lisp/vc-annotate.el b/lisp/vc-annotate.el deleted file mode 100644 index 1878fe8740f..00000000000 --- a/lisp/vc-annotate.el +++ /dev/null @@ -1,676 +0,0 @@ -;;; vc-annotate.el --- VC Annotate Support - -;; Copyright (C) 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006, -;; 2007, 2008, 2009, 2010 Free Software Foundation, Inc. - -;; Author: Martin Lorentzson <emwson@emw.ericsson.se> -;; Maintainer: FSF -;; Keywords: tools - -;; 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: -;; - -(require 'vc-hooks) -(require 'vc) - -;;; Code: -(eval-when-compile - (require 'cl)) - -(defcustom vc-annotate-display-mode 'fullscale - "Which mode to color the output of \\[vc-annotate] with by default." - :type '(choice (const :tag "By Color Map Range" nil) - (const :tag "Scale to Oldest" scale) - (const :tag "Scale Oldest->Newest" fullscale) - (number :tag "Specify Fractional Number of Days" - :value "20.5")) - :group 'vc) - -(defcustom vc-annotate-color-map - (if (and (tty-display-color-p) (<= (display-color-cells) 8)) - ;; A custom sorted TTY colormap - (let* ((colors - (sort - (delq nil - (mapcar (lambda (x) - (if (not (or - (string-equal (car x) "white") - (string-equal (car x) "black") )) - (car x))) - (tty-color-alist))) - (lambda (a b) - (cond - ((or (string-equal a "red") (string-equal b "blue")) t) - ((or (string-equal b "red") (string-equal a "blue")) nil) - ((string-equal a "yellow") t) - ((string-equal b "yellow") nil) - ((string-equal a "cyan") t) - ((string-equal b "cyan") nil) - ((string-equal a "green") t) - ((string-equal b "green") nil) - ((string-equal a "magenta") t) - ((string-equal b "magenta") nil) - (t (string< a b)))))) - (date 20.) - (delta (/ (- 360. date) (1- (length colors))))) - (mapcar (lambda (x) - (prog1 - (cons date x) - (setq date (+ date delta)))) colors)) - ;; Normal colormap: hue stepped from 0-240deg, value=1., saturation=0.75 - '(( 20. . "#FF3F3F") - ( 40. . "#FF6C3F") - ( 60. . "#FF993F") - ( 80. . "#FFC63F") - (100. . "#FFF33F") - (120. . "#DDFF3F") - (140. . "#B0FF3F") - (160. . "#83FF3F") - (180. . "#56FF3F") - (200. . "#3FFF56") - (220. . "#3FFF83") - (240. . "#3FFFB0") - (260. . "#3FFFDD") - (280. . "#3FF3FF") - (300. . "#3FC6FF") - (320. . "#3F99FF") - (340. . "#3F6CFF") - (360. . "#3F3FFF"))) - "Association list of age versus color, for \\[vc-annotate]. -Ages are given in units of fractional days. Default is eighteen -steps using a twenty day increment, from red to blue. For TTY -displays with 8 or fewer colors, the default is red to blue with -all other colors between (excluding black and white)." - :type 'alist - :group 'vc) - -(defcustom vc-annotate-very-old-color "#3F3FFF" - "Color for lines older than the current color range in \\[vc-annotate]." - :type 'string - :group 'vc) - -(defcustom vc-annotate-background "black" - "Background color for \\[vc-annotate]. -Default color is used if nil." - :type '(choice (const :tag "Default background" nil) (color)) - :group 'vc) - -(defcustom vc-annotate-menu-elements '(2 0.5 0.1 0.01) - "Menu elements for the mode-specific menu of VC-Annotate mode. -List of factors, used to expand/compress the time scale. See `vc-annotate'." - :type '(repeat number) - :group 'vc) - -(defvar vc-annotate-mode-map - (let ((m (make-sparse-keymap))) - (define-key m "a" 'vc-annotate-revision-previous-to-line) - (define-key m "d" 'vc-annotate-show-diff-revision-at-line) - (define-key m "D" 'vc-annotate-show-changeset-diff-revision-at-line) - (define-key m "f" 'vc-annotate-find-revision-at-line) - (define-key m "j" 'vc-annotate-revision-at-line) - (define-key m "l" 'vc-annotate-show-log-revision-at-line) - (define-key m "n" 'vc-annotate-next-revision) - (define-key m "p" 'vc-annotate-prev-revision) - (define-key m "w" 'vc-annotate-working-revision) - (define-key m "v" 'vc-annotate-toggle-annotation-visibility) - m) - "Local keymap used for VC-Annotate mode.") - -;;; Annotate functionality - -;; Declare globally instead of additional parameter to -;; temp-buffer-show-function (not possible to pass more than one -;; parameter). The use of annotate-ratio is deprecated in favor of -;; annotate-mode, which replaces it with the more sensible "span-to -;; days", along with autoscaling support. -(defvar vc-annotate-ratio nil "Global variable.") - -;; internal buffer-local variables -(defvar vc-annotate-backend nil) -(defvar vc-annotate-parent-file nil) -(defvar vc-annotate-parent-rev nil) -(defvar vc-annotate-parent-display-mode nil) - -(defconst vc-annotate-font-lock-keywords - ;; The fontification is done by vc-annotate-lines instead of font-lock. - '((vc-annotate-lines))) - -(define-derived-mode vc-annotate-mode special-mode "Annotate" - "Major mode for output buffers of the `vc-annotate' command. - -You can use the mode-specific menu to alter the time-span of the used -colors. See variable `vc-annotate-menu-elements' for customizing the -menu items." - ;; Frob buffer-invisibility-spec so that if it is originally a naked t, - ;; it will become a list, to avoid initial annotations being invisible. - (add-to-invisibility-spec 'foo) - (remove-from-invisibility-spec 'foo) - (set (make-local-variable 'truncate-lines) t) - (set (make-local-variable 'font-lock-defaults) - '(vc-annotate-font-lock-keywords t)) - (hack-dir-local-variables-non-file-buffer)) - -(defun vc-annotate-toggle-annotation-visibility () - "Toggle whether or not the annotation is visible." - (interactive) - (funcall (if (memq 'vc-annotate-annotation buffer-invisibility-spec) - 'remove-from-invisibility-spec - 'add-to-invisibility-spec) - 'vc-annotate-annotation) - (force-window-update (current-buffer))) - -(defun vc-annotate-display-default (ratio) - "Display the output of \\[vc-annotate] using the default color range. -The color range is given by `vc-annotate-color-map', scaled by RATIO. -The current time is used as the offset." - (interactive (progn (kill-local-variable 'vc-annotate-color-map) '(1.0))) - (message "Redisplaying annotation...") - (vc-annotate-display ratio) - (message "Redisplaying annotation...done")) - -(defun vc-annotate-oldest-in-map (color-map) - "Return the oldest time in the COLOR-MAP." - ;; Since entries should be sorted, we can just use the last one. - (caar (last color-map))) - -(defun vc-annotate-get-time-set-line-props () - (let ((bol (point)) - (date (vc-call-backend vc-annotate-backend 'annotate-time)) - (inhibit-read-only t)) - (assert (>= (point) bol)) - (put-text-property bol (point) 'invisible 'vc-annotate-annotation) - date)) - -(defun vc-annotate-display-autoscale (&optional full) - "Highlight the output of \\[vc-annotate] using an autoscaled color map. -Autoscaling means that the map is scaled from the current time to the -oldest annotation in the buffer, or, with prefix argument FULL, to -cover the range from the oldest annotation to the newest." - (interactive "P") - (let ((newest 0.0) - (oldest 999999.) ;Any CVS users at the founding of Rome? - (current (vc-annotate-convert-time (current-time))) - date) - (message "Redisplaying annotation...") - ;; Run through this file and find the oldest and newest dates annotated. - (save-excursion - (goto-char (point-min)) - (while (not (eobp)) - (when (setq date (vc-annotate-get-time-set-line-props)) - (when (> date newest) - (setq newest date)) - (when (< date oldest) - (setq oldest date))) - (forward-line 1))) - (vc-annotate-display - (/ (- (if full newest current) oldest) - (vc-annotate-oldest-in-map vc-annotate-color-map)) - (if full newest)) - (message "Redisplaying annotation...done \(%s\)" - (if full - (format "Spanned from %.1f to %.1f days old" - (- current oldest) - (- current newest)) - (format "Spanned to %.1f days old" (- current oldest)))))) - -;; Menu -- Using easymenu.el -(easy-menu-define vc-annotate-mode-menu vc-annotate-mode-map - "VC Annotate Display Menu" - `("VC-Annotate" - ["By Color Map Range" (unless (null vc-annotate-display-mode) - (setq vc-annotate-display-mode nil) - (vc-annotate-display-select)) - :style toggle :selected (null vc-annotate-display-mode)] - ,@(let ((oldest-in-map (vc-annotate-oldest-in-map vc-annotate-color-map))) - (mapcar (lambda (element) - (let ((days (* element oldest-in-map))) - `[,(format "Span %.1f days" days) - (vc-annotate-display-select nil ,days) - :style toggle :selected - (eql vc-annotate-display-mode ,days) ])) - vc-annotate-menu-elements)) - ["Span ..." - (vc-annotate-display-select - nil (float (string-to-number (read-string "Span how many days? "))))] - "--" - ["Span to Oldest" - (unless (eq vc-annotate-display-mode 'scale) - (vc-annotate-display-select nil 'scale)) - :help - "Use an autoscaled color map from the oldest annotation to the current time" - :style toggle :selected - (eq vc-annotate-display-mode 'scale)] - ["Span Oldest->Newest" - (unless (eq vc-annotate-display-mode 'fullscale) - (vc-annotate-display-select nil 'fullscale)) - :help - "Use an autoscaled color map from the oldest to the newest annotation" - :style toggle :selected - (eq vc-annotate-display-mode 'fullscale)] - "--" - ["Toggle annotation visibility" vc-annotate-toggle-annotation-visibility - :help - "Toggle whether the annotation is visible or not"] - ["Annotate previous revision" vc-annotate-prev-revision - :help "Visit the annotation of the revision previous to this one"] - ["Annotate next revision" vc-annotate-next-revision - :help "Visit the annotation of the revision after this one"] - ["Annotate revision at line" vc-annotate-revision-at-line - :help - "Visit the annotation of the revision identified in the current line"] - ["Annotate revision previous to line" vc-annotate-revision-previous-to-line - :help "Visit the annotation of the revision before the revision at line"] - ["Annotate latest revision" vc-annotate-working-revision - :help "Visit the annotation of the working revision of this file"] - "--" - ["Show log of revision at line" vc-annotate-show-log-revision-at-line - :help "Visit the log of the revision at line"] - ["Show diff of revision at line" vc-annotate-show-diff-revision-at-line - :help "Visit the diff of the revision at line from its previous revision"] - ["Show changeset diff of revision at line" - vc-annotate-show-changeset-diff-revision-at-line - :enable - (eq 'repository (vc-call-backend ,vc-annotate-backend 'revision-granularity)) - :help "Visit the diff of the revision at line from its previous revision"] - ["Visit revision at line" vc-annotate-find-revision-at-line - :help "Visit the revision identified in the current line"])) - -(defun vc-annotate-display-select (&optional buffer mode) - "Highlight the output of \\[vc-annotate]. -By default, the current buffer is highlighted, unless overridden by -BUFFER. `vc-annotate-display-mode' specifies the highlighting mode to -use; you may override this using the second optional arg MODE." - (interactive) - (when mode (setq vc-annotate-display-mode mode)) - (pop-to-buffer (or buffer (current-buffer))) - (cond ((null vc-annotate-display-mode) - ;; The ratio is global, thus relative to the global color-map. - (kill-local-variable 'vc-annotate-color-map) - (vc-annotate-display-default (or vc-annotate-ratio 1.0))) - ;; One of the auto-scaling modes - ((eq vc-annotate-display-mode 'scale) - (vc-exec-after `(vc-annotate-display-autoscale))) - ((eq vc-annotate-display-mode 'fullscale) - (vc-exec-after `(vc-annotate-display-autoscale t))) - ((numberp vc-annotate-display-mode) ; A fixed number of days lookback - (vc-annotate-display-default - (/ vc-annotate-display-mode - (vc-annotate-oldest-in-map vc-annotate-color-map)))) - (t (error "No such display mode: %s" - vc-annotate-display-mode)))) - -;;;###autoload -(defun vc-annotate (file rev &optional display-mode buf move-point-to) - "Display the edit history of the current file using colors. - -This command creates a buffer that shows, for each line of the current -file, when it was last edited and by whom. Additionally, colors are -used to show the age of each line--blue means oldest, red means -youngest, and intermediate colors indicate intermediate ages. By -default, the time scale stretches back one year into the past; -everything that is older than that is shown in blue. - -With a prefix argument, this command asks two questions in the -minibuffer. First, you may enter a revision number; then the buffer -displays and annotates that revision instead of the working revision -\(type RET in the minibuffer to leave that default unchanged). Then, -you are prompted for the time span in days which the color range -should cover. For example, a time span of 20 days means that changes -over the past 20 days are shown in red to blue, according to their -age, and everything that is older than that is shown in blue. - -If MOVE-POINT-TO is given, move the point to that line. - -Customization variables: - -`vc-annotate-menu-elements' customizes the menu elements of the -mode-specific menu. `vc-annotate-color-map' and -`vc-annotate-very-old-color' define the mapping of time to colors. -`vc-annotate-background' specifies the background color." - (interactive - (save-current-buffer - (vc-ensure-vc-buffer) - (list buffer-file-name - (let ((def (vc-working-revision buffer-file-name))) - (if (null current-prefix-arg) def - (read-string - (format "Annotate from revision (default %s): " def) - nil nil def))) - (if (null current-prefix-arg) - vc-annotate-display-mode - (float (string-to-number - (read-string "Annotate span days (default 20): " - nil nil "20"))))))) - (vc-ensure-vc-buffer) - (setq vc-annotate-display-mode display-mode) ;Not sure why. --Stef - (let* ((temp-buffer-name (format "*Annotate %s (rev %s)*" (buffer-name) rev)) - (temp-buffer-show-function 'vc-annotate-display-select) - ;; If BUF is specified, we presume the caller maintains current line, - ;; so we don't need to do it here. This implementation may give - ;; strange results occasionally in the case of REV != WORKFILE-REV. - (current-line (or move-point-to (unless buf - (save-restriction - (widen) - (line-number-at-pos)))))) - (message "Annotating...") - ;; If BUF is specified it tells in which buffer we should put the - ;; annotations. This is used when switching annotations to another - ;; revision, so we should update the buffer's name. - (when buf (with-current-buffer buf - (rename-buffer temp-buffer-name t) - ;; In case it had to be uniquified. - (setq temp-buffer-name (buffer-name)))) - (with-output-to-temp-buffer temp-buffer-name - (let ((backend (vc-backend file)) - (coding-system-for-read buffer-file-coding-system)) - (vc-call-backend backend 'annotate-command file - (get-buffer temp-buffer-name) rev) - ;; we must setup the mode first, and then set our local - ;; variables before the show-function is called at the exit of - ;; with-output-to-temp-buffer - (with-current-buffer temp-buffer-name - (unless (equal major-mode 'vc-annotate-mode) - (vc-annotate-mode)) - (set (make-local-variable 'vc-annotate-backend) backend) - (set (make-local-variable 'vc-annotate-parent-file) file) - (set (make-local-variable 'vc-annotate-parent-rev) rev) - (set (make-local-variable 'vc-annotate-parent-display-mode) - display-mode)))) - - (with-current-buffer temp-buffer-name - (vc-exec-after - `(progn - ;; Ideally, we'd rather not move point if the user has already - ;; moved it elsewhere, but really point here is not the position - ;; of the user's cursor :-( - (when ,current-line ;(and (bobp)) - (goto-line ,current-line) - (setq vc-sentinel-movepoint (point))) - (unless (active-minibuffer-window) - (message "Annotating... done"))))))) - -(defun vc-annotate-prev-revision (prefix) - "Visit the annotation of the revision previous to this one. - -With a numeric prefix argument, annotate the revision that many -revisions previous." - (interactive "p") - (vc-annotate-warp-revision (- 0 prefix))) - -(defun vc-annotate-next-revision (prefix) - "Visit the annotation of the revision after this one. - -With a numeric prefix argument, annotate the revision that many -revisions after." - (interactive "p") - (vc-annotate-warp-revision prefix)) - -(defun vc-annotate-working-revision () - "Visit the annotation of the working revision of this file." - (interactive) - (if (not (equal major-mode 'vc-annotate-mode)) - (message "Cannot be invoked outside of a vc annotate buffer") - (let ((warp-rev (vc-working-revision vc-annotate-parent-file))) - (if (equal warp-rev vc-annotate-parent-rev) - (message "Already at revision %s" warp-rev) - (vc-annotate-warp-revision warp-rev))))) - -(defun vc-annotate-extract-revision-at-line () - "Extract the revision number of the current line. -Return a cons (REV . FILENAME)." - ;; This function must be invoked from a buffer in vc-annotate-mode - (let ((rev (vc-call-backend vc-annotate-backend - 'annotate-extract-revision-at-line))) - (if (or (null rev) (consp rev)) - rev - (cons rev vc-annotate-parent-file)))) - -(defun vc-annotate-revision-at-line () - "Visit the annotation of the revision identified in the current line." - (interactive) - (if (not (equal major-mode 'vc-annotate-mode)) - (message "Cannot be invoked outside of a vc annotate buffer") - (let ((rev-at-line (vc-annotate-extract-revision-at-line))) - (if (not rev-at-line) - (message "Cannot extract revision number from the current line") - (if (and (equal (car rev-at-line) vc-annotate-parent-rev) - (string= (cdr rev-at-line) vc-annotate-parent-file)) - (message "Already at revision %s" rev-at-line) - (vc-annotate-warp-revision (car rev-at-line) (cdr rev-at-line))))))) - -(defun vc-annotate-find-revision-at-line () - "Visit the revision identified in the current line." - (interactive) - (if (not (equal major-mode 'vc-annotate-mode)) - (message "Cannot be invoked outside of a vc annotate buffer") - (let ((rev-at-line (vc-annotate-extract-revision-at-line))) - (if (not rev-at-line) - (message "Cannot extract revision number from the current line") - (switch-to-buffer-other-window - (vc-find-revision (cdr rev-at-line) (car rev-at-line))))))) - -(defun vc-annotate-revision-previous-to-line () - "Visit the annotation of the revision before the revision at line." - (interactive) - (if (not (equal major-mode 'vc-annotate-mode)) - (message "Cannot be invoked outside of a vc annotate buffer") - (let* ((rev-at-line (vc-annotate-extract-revision-at-line)) - (prev-rev nil) - (rev (car rev-at-line)) - (fname (cdr rev-at-line))) - (if (not rev-at-line) - (message "Cannot extract revision number from the current line") - (setq prev-rev - (vc-call-backend vc-annotate-backend 'previous-revision - fname rev)) - (vc-annotate-warp-revision prev-rev fname))))) - -(defvar log-view-vc-backend) -(defvar log-view-vc-fileset) - -(defun vc-annotate-show-log-revision-at-line () - "Visit the log of the revision at line. -If the VC backend supports it, only show the log entry for the revision. -If a *vc-change-log* buffer exists and already shows a log for -the file in question, search for the log entry required and move point ." - (interactive) - (if (not (equal major-mode 'vc-annotate-mode)) - (message "Cannot be invoked outside of a vc annotate buffer") - (let ((rev-at-line (vc-annotate-extract-revision-at-line))) - (if (not rev-at-line) - (message "Cannot extract revision number from the current line") - (let ((backend vc-annotate-backend) - (log-buf (get-buffer "*vc-change-log*")) - pos) - (if (and - log-buf - ;; Look for a log buffer that already displays the correct file. - (with-current-buffer log-buf - (and (eq backend log-view-vc-backend) - (null (cdr log-view-vc-fileset)) - (string= (car log-view-vc-fileset) (cdr rev-at-line)) - ;; Check if the entry we require can be found. - (vc-call-backend - backend 'show-log-entry (car rev-at-line)) - (setq pos (point))))) - (progn - (pop-to-buffer log-buf) - (goto-char pos)) - ;; Ask the backend to display a single log entry. - (vc-print-log-internal - vc-annotate-backend (list (cdr rev-at-line)) - (car rev-at-line) t 1))))))) - -(defun vc-annotate-show-diff-revision-at-line-internal (filediff) - (if (not (equal major-mode 'vc-annotate-mode)) - (message "Cannot be invoked outside of a vc annotate buffer") - (let* ((rev-at-line (vc-annotate-extract-revision-at-line)) - (prev-rev nil) - (rev (car rev-at-line)) - (fname (cdr rev-at-line))) - (if (not rev-at-line) - (message "Cannot extract revision number from the current line") - (setq prev-rev - (vc-call-backend vc-annotate-backend 'previous-revision - fname rev)) - (if (not prev-rev) - (message "Cannot diff from any revision prior to %s" rev) - (save-window-excursion - (vc-diff-internal - nil - ;; The value passed here should follow what - ;; `vc-deduce-fileset' returns. - (list vc-annotate-backend - (if filediff - (list fname) - nil)) - prev-rev rev)) - (switch-to-buffer "*vc-diff*")))))) - -(defun vc-annotate-show-diff-revision-at-line () - "Visit the diff of the revision at line from its previous revision." - (interactive) - (vc-annotate-show-diff-revision-at-line-internal t)) - -(defun vc-annotate-show-changeset-diff-revision-at-line () - "Visit the diff of the revision at line from its previous revision for all files in the changeset." - (interactive) - (when (eq 'file (vc-call-backend vc-annotate-backend 'revision-granularity)) - (error "The %s backend does not support changeset diffs" vc-annotate-backend)) - (vc-annotate-show-diff-revision-at-line-internal nil)) - -(defun vc-annotate-warp-revision (revspec &optional file) - "Annotate the revision described by REVSPEC. - -If REVSPEC is a positive integer, warp that many revisions forward, -if possible, otherwise echo a warning message. If REVSPEC is a -negative integer, warp that many revisions backward, if possible, -otherwise echo a warning message. If REVSPEC is a string, then it -describes a revision number, so warp to that revision." - (if (not (equal major-mode 'vc-annotate-mode)) - (message "Cannot be invoked outside of a vc annotate buffer") - (let* ((buf (current-buffer)) - (oldline (line-number-at-pos)) - (revspeccopy revspec) - (newrev nil)) - (cond - ((and (integerp revspec) (> revspec 0)) - (setq newrev vc-annotate-parent-rev) - (while (and (> revspec 0) newrev) - (setq newrev (vc-call-backend vc-annotate-backend 'next-revision - (or file vc-annotate-parent-file) newrev)) - (setq revspec (1- revspec))) - (unless newrev - (message "Cannot increment %d revisions from revision %s" - revspeccopy vc-annotate-parent-rev))) - ((and (integerp revspec) (< revspec 0)) - (setq newrev vc-annotate-parent-rev) - (while (and (< revspec 0) newrev) - (setq newrev (vc-call-backend vc-annotate-backend 'previous-revision - (or file vc-annotate-parent-file) newrev)) - (setq revspec (1+ revspec))) - (unless newrev - (message "Cannot decrement %d revisions from revision %s" - (- 0 revspeccopy) vc-annotate-parent-rev))) - ((stringp revspec) (setq newrev revspec)) - (t (error "Invalid argument to vc-annotate-warp-revision"))) - (when newrev - (vc-annotate (or file vc-annotate-parent-file) newrev - vc-annotate-parent-display-mode - buf - ;; Pass the current line so that vc-annotate will - ;; place the point in the line. - (min oldline (progn (goto-char (point-max)) - (forward-line -1) - (line-number-at-pos)))))))) - -(defun vc-annotate-compcar (threshold a-list) - "Test successive cons cells of A-LIST against THRESHOLD. -Return the first cons cell with a car that is not less than THRESHOLD, -nil if no such cell exists." - (let ((i 1) - (tmp-cons (car a-list))) - (while (and tmp-cons (< (car tmp-cons) threshold)) - (setq tmp-cons (car (nthcdr i a-list))) - (setq i (+ i 1))) - tmp-cons)) ; Return the appropriate value - -(defun vc-annotate-convert-time (time) - "Convert a time value to a floating-point number of days. -The argument TIME is a list as returned by `current-time' or -`encode-time', only the first two elements of that list are considered." - (/ (+ (* (float (car time)) (lsh 1 16)) (cadr time)) 24 3600)) - -(defun vc-annotate-difference (&optional offset) - "Return the time span in days to the next annotation. -This calls the backend function annotate-time, and returns the -difference in days between the time returned and the current time, -or OFFSET if present." - (let ((next-time (vc-annotate-get-time-set-line-props))) - (when next-time - (- (or offset - (vc-call-backend vc-annotate-backend 'annotate-current-time)) - next-time)))) - -(defun vc-default-annotate-current-time (backend) - "Return the current time, encoded as fractional days." - (vc-annotate-convert-time (current-time))) - -(defvar vc-annotate-offset nil) - -(defun vc-annotate-display (ratio &optional offset) - "Highlight `vc-annotate' output in the current buffer. -RATIO is the expansion that should be applied to `vc-annotate-color-map'. -The annotations are relative to the current time, unless overridden by OFFSET." - (when (/= ratio 1.0) - (set (make-local-variable 'vc-annotate-color-map) - (mapcar (lambda (elem) (cons (* (car elem) ratio) (cdr elem))) - vc-annotate-color-map))) - (set (make-local-variable 'vc-annotate-offset) offset) - (font-lock-mode 1)) - -(defun vc-annotate-lines (limit) - (while (< (point) limit) - (let ((difference (vc-annotate-difference vc-annotate-offset)) - (start (point)) - (end (progn (forward-line 1) (point)))) - (when difference - (let* ((color (or (vc-annotate-compcar difference vc-annotate-color-map) - (cons nil vc-annotate-very-old-color))) - ;; substring from index 1 to remove any leading `#' in the name - (face-name (concat "vc-annotate-face-" - (if (string-equal - (substring (cdr color) 0 1) "#") - (substring (cdr color) 1) - (cdr color)))) - ;; Make the face if not done. - (face (or (intern-soft face-name) - (let ((tmp-face (make-face (intern face-name)))) - (set-face-foreground tmp-face (cdr color)) - (when vc-annotate-background - (set-face-background tmp-face - vc-annotate-background)) - tmp-face)))) ; Return the face - (put-text-property start end 'face face))))) - ;; Pretend to font-lock there were no matches. - nil) - -(provide 'vc-annotate) - -;; arch-tag: c3454a89-80e5-4ffd-8993-671b59612898 -;;; vc-annotate.el ends here |