From 7d2d94821205cfcdef159ebaf04c36113d27bc11 Mon Sep 17 00:00:00 2001 From: "Richard M. Stallman" Date: Mon, 9 Jun 1997 06:01:12 +0000 Subject: [PATCH] (diff-switches): defvar deleted. (vc-annotate-*): New functions and variables. --- lisp/vc.el | 221 ++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 220 insertions(+), 1 deletion(-) diff --git a/lisp/vc.el b/lisp/vc.el index d261692db04..837c98da1df 100644 --- a/lisp/vc.el +++ b/lisp/vc.el @@ -154,10 +154,50 @@ These are passed to the checkin program by \\[vc-register]." "Maximum number of saved comments in the comment ring.") ;;; This is duplicated in diff.el. -;;; ...and customized. (defvar diff-switches "-c" "*A string or list of strings specifying switches to be be passed to diff.") +(defcustom vc-annotate-color-map + '(( 26.3672 . "#FF0000") + ( 52.7344 . "#FF3800") + ( 79.1016 . "#FF7000") + (105.4688 . "#FFA800") + (131.8359 . "#FFE000") + (158.2031 . "#E7FF00") + (184.5703 . "#AFFF00") + (210.9375 . "#77FF00") + (237.3047 . "#3FFF00") + (263.6719 . "#07FF00") + (290.0391 . "#00FF31") + (316.4063 . "#00FF69") + (342.7734 . "#00FFA1") + (369.1406 . "#00FFD9") + (395.5078 . "#00EEFF") + (421.8750 . "#00B6FF") + (448.2422 . "#007EFF")) + "*Association list of age versus color, for \\[vc-annotate]. +Ages are given in units of 2**-16 seconds. +Default is eighteen steps using a twenty day increment." + :type 'sexp + :group 'vc) + +(defcustom vc-annotate-very-old-color "#0046FF" + "*Color for lines older than CAR of last cons in `vc-annotate-color-map'." + :type 'string + :group 'vc) + +(defcustom vc-annotate-background "black" + "*Background color for \\[vc-annotate]. +Default color is used if nil." + :type 'string + :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 'sexp + :group 'vc) + ;;;###autoload (defcustom vc-checkin-hook nil "*Normal hook (List of functions) run after a checkin is done. @@ -172,6 +212,12 @@ See `run-hooks'." :type 'hook :group 'vc) +;;;###autoload +(defcustom vc-annotate-mode-hook nil + "*Hooks to run when VC-Annotate mode is turned on." + :type 'hook + :group 'vc) + ;; Header-insertion hair (defcustom vc-header-alist @@ -1933,7 +1979,179 @@ default directory." "failed")) (cd (file-name-directory changelog)) (delete-file tempfile))))) + +;; vc-annotate functionality (CVS only). +(defvar vc-annotate-mode nil + "Variable indicating if VC-Annotate mode is active.") + +(defvar vc-annotate-mode-map () + "Local keymap used for VC-Annotate mode.") + +;; Syntax Table +(defvar vc-annotate-mode-syntax-table nil + "Syntax table used in VC-Annotate mode buffers.") + +(defun vc-annotate-mode-variables () + (if (not vc-annotate-mode-syntax-table) + (progn (setq vc-annotate-mode-syntax-table (make-syntax-table)) + (set-syntax-table vc-annotate-mode-syntax-table))) + (if (not vc-annotate-mode-map) + (setq vc-annotate-mode-map (make-sparse-keymap)))) + +(defun vc-annotate-mode () + "Major mode for buffers displaying output from the CVS `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." + (interactive) + (kill-all-local-variables) ; Recommended by RMS. + (vc-annotate-mode-variables) ; This defines various variables. + (use-local-map vc-annotate-mode-map) ; This provides the local keymap. + (set-syntax-table vc-annotate-mode-syntax-table) + (setq major-mode 'vc-annotate-mode) ; This is how `describe-mode' + ; finds out what to describe. + (setq mode-name "Annotate") ; This goes into the mode line. + (run-hooks 'vc-annotate-mode-hook) + (vc-annotate-add-menu)) + +(defun vc-annotate-display-default (&optional event) + "Use the default color spectrum for VC Annotate mode." + (interactive) + (vc-annotate-display (get-buffer (buffer-name)))) + +(defun vc-annotate-add-menu () + "Adds the menu 'Annotate' to the menu bar in VC-Annotate mode." + (setq vc-annotate-mode-menu (make-sparse-keymap "Annotate")) + (define-key vc-annotate-mode-menu [default] + '("Default" . vc-annotate-display-default)) + (let ((menu-elements vc-annotate-menu-elements)) + (while menu-elements + (let* ((element (car menu-elements)) + (days (round (* element + (vc-annotate-car-last-cons vc-annotate-color-map) + 0.7585)))) + (setq menu-elements (cdr menu-elements)) + (define-key vc-annotate-mode-menu + (vector days) + (cons (format "Span %d days" + days) + `(lambda () + ,(format "Use colors spanning %d days" days) + (vc-annotate-display (get-buffer (buffer-name)) + (vc-annotate-time-span ,element))))))))) + +(defvar vc-annotate-ratio) +;;;###autoload +(defun vc-annotate (ratio) + "Display the result of the CVS `annotate' command using colors. +New lines are displayed in red, old in blue. +A prefix argument specifies a factor for stretching the time scale. + +`vc-annotate-menu-elements' customizes the menu elements of the +mode-specific menu. `vc-annotate-color-map' and +`vc-annotate-very-old-color' defines the mapping of time to +colors. `vc-annotate-background' specifies the background color." + (interactive "p") + (if (not (eq (vc-buffer-backend) 'CVS)) ; This only works with CVS + (vc-registration-error (buffer-file-name))) + (message "Annotating...") + (let ((temp-buffer-name (concat "*cvs annotate " (buffer-name) "*")) + (temp-buffer-show-function 'vc-annotate-display) + (vc-annotate-ratio ratio)) + (with-output-to-temp-buffer temp-buffer-name + (call-process "cvs" nil (get-buffer temp-buffer-name) nil + "annotate" (file-name-nondirectory (buffer-file-name))))) + (message "Annotating... done")) + +(defun vc-annotate-car-last-cons (assoc-list) + "Return car of last cons in ASSOC-LIST." + (if (not (eq nil (cdr assoc-list))) + (vc-annotate-car-last-cons (cdr assoc-list)) + (car (car assoc-list)))) + +;; Return an association list with span factor applied to the +;; time-span of assoc-list. Optionaly quantize to the factor of +;; quantize. +(defun vc-annotate-time-span (assoc-list span &optional quantize) + ;; Apply span to each car of every cons + (if (not (eq nil assoc-list)) + (append (list (cons (* (car (car assoc-list)) span) + (cdr (car assoc-list)))) + (vc-annotate-time-span (nthcdr (cond (quantize) ; optional + (1)) ; Default to cdr + assoc-list) span quantize)))) + +(defun vc-annotate-compcar (threshold &rest args) + "Test successive cars of ARGS against THRESHOLD. +Return the first cons which CAR is not less than THRESHOLD, nil otherwise" + ;; If no list is exhausted, + (if (and (not (memq 'nil args)) (< (car (car (car args))) threshold)) + ;; apply to CARs. + (apply 'vc-annotate-compcar threshold + ;; Recurse for rest of elements. + (mapcar 'cdr args)) + ;; Return the proper result + (car (car args)))) + +(defun vc-annotate-display (buffer &optional color-map) + "Do the VC-Annotate display in BUFFER using COLOR-MAP." + + (if (and (not color-map) vc-annotate-ratio) + (setq color-map (vc-annotate-time-span color-map vc-annotate-ratio))) + + ;; We need a list of months and their corresponding numbers. + (let* ((local-month-numbers + '(("Jan" . 1) ("Feb" . 2) ("Mar" . 3) ("Apr" . 4) + ("May" . 5) ("Jun" . 6) ("Jul" . 7) ("Aug" . 8) + ("Sep" . 9) ("Oct" . 10) ("Nov" . 11) ("Dec" . 12))) + ;; XEmacs use extents, GNU Emacs overlays. + (overlay-or-extent (if (string-match "XEmacs" emacs-version) + (cons 'make-extent 'set-extent-property) + (cons 'make-overlay 'overlay-put))) + (make-overlay-or-extent (car overlay-or-extent)) + (set-property-overlay-or-extent (cdr overlay-or-extent))) + + (set-buffer buffer) + (display-buffer buffer) + (if (not vc-annotate-mode) ; Turn on vc-annotate-mode if not done + (vc-annotate-mode)) + (goto-char (point-min)) ; Position at the top of the buffer. + (while (re-search-forward + "^[0-9]+\\(\.[0-9]+\\)*\\s-+(\\sw+\\s-+\\([0-9]+\\)-\\(\\sw+\\)-\\([0-9]+\\)): " + nil t) + + (let* (;; Unfortunately, order is important. match-string will + ;; be corrupted by extent functions in XEmacs. Access + ;; string-matches first. + (day (string-to-number (match-string 2))) + (month (cdr (assoc (match-string 3) local-month-numbers))) + (year-tmp (string-to-number (match-string 4))) + (year (+ (if (> 100 year-tmp) 1900 0) year-tmp)) ; Possible millenium problem + (high (- (car (current-time)) + (car (encode-time 0 0 0 day month year)))) + (color (cond ((vc-annotate-compcar high (cond (color-map) + (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-" (substring (cdr color) 1))) + ;; Make the face if not done. + (face (cond ((intern-soft face-name)) + ((make-face (intern face-name))))) + (point (point)) + (foo (forward-line 1)) + (overlay (cond ((if (string-match "XEmacs" emacs-version) + (extent-at point) + (car (overlays-at point )))) + ((apply make-overlay-or-extent point (point) nil))))) + + (if vc-annotate-background + (set-face-background face vc-annotate-background)) + (set-face-foreground face (cdr color)) + (apply set-property-overlay-or-extent overlay + 'face face nil))))) + ;; Collect back-end-dependent stuff here (defun vc-backend-admin (file &optional rev comment) @@ -2451,6 +2669,7 @@ These bindings are added to the global keymap when you enter this mode: \\[vc-diff] show diffs between file versions \\[vc-version-other-window] visit old version in another window \\[vc-directory] show all files locked by any user in or below . +\\[vc-annotate] colorful display of the cvs annotate command \\[vc-update-change-log] add change log entry from recent checkins While you are entering a change log message for a version, the following -- 2.39.2