[Emacs-diffs] Changes to emacs/lisp/log-view.el,v

[Miles Bader]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Miles Bader <miles>     07/10/09 08:52:58

Index: lisp/log-view.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/log-view.el,v
retrieving revision 1.44
retrieving revision 1.45
diff -u -b -r1.44 -r1.45
--- lisp/log-view.el    2 Sep 2007 07:46:53 -0000       1.44
+++ lisp/log-view.el    9 Oct 2007 08:52:46 -0000       1.45
@@ -92,9 +92,12 @@
     ("m" . log-view-toggle-mark-entry)
     ;; ("e" . cvs-mode-edit-log)
     ("d" . log-view-diff)
+    ("a" . log-view-annotate-version)
     ("f" . log-view-find-version)
     ("n" . log-view-msg-next)
     ("p" . log-view-msg-prev)
+    ("\t" . log-view-msg-next)
+    ([backtab] . log-view-msg-prev)
     ("N" . log-view-file-next)
     ("P" . log-view-file-prev)
     ("\M-n" . log-view-file-next)
@@ -114,6 +117,7 @@
     ["Mark Log Entry for Diff"  set-mark-command]
     ["Diff Revisions"  log-view-diff]
     ["Visit Version"  log-view-find-version]
+    ["Annotate Version"  log-view-annotate-version]
     ["Next Log Entry"  log-view-msg-next]
     ["Previous Log Entry"  log-view-msg-prev]
     ["Next File"  log-view-file-next]
@@ -187,6 +191,10 @@
   "Major mode for browsing CVS log output."
   (setq buffer-read-only t)
   (set (make-local-variable 'font-lock-defaults) log-view-font-lock-defaults)
+  (set (make-local-variable 'beginning-of-defun-function) 
+       'log-view-beginning-of-defun)
+  (set (make-local-variable 'end-of-defun-function) 
+       'log-view-end-of-defun)
   (set (make-local-variable 'cvs-minor-wrap-function) 'log-view-minor-wrap))
 
 ;;;;
@@ -281,6 +289,51 @@
          (setq pos (overlay-end ov))))
       marked-list)))
 
+(defun log-view-beginning-of-defun ()
+  ;; This assumes that a log entry starts with a line matching
+  ;; `log-view-message-re'.  Modes that derive from `log-view-mode'
+  ;; for which this assumption is not valid will have to provide
+  ;; another implementation of this function.  `log-view-msg-prev'
+  ;; does a similar job to this function, we can't use it here
+  ;; directly because it prints messages that are not appropriate in
+  ;; this context and it does not move to the beginning of the buffer
+  ;; when the point is before the first log entry.
+
+  ;; `log-view-beginning-of-defun' and `log-view-end-of-defun' have
+  ;; been checked to work with logs produced by RCS, CVS, git,
+  ;; mercurial and subversion.
+
+  (re-search-backward log-view-message-re nil 'move))
+
+(defun log-view-end-of-defun ()
+  ;; The idea in this function is to search for the beginning of the
+  ;; next log entry using `log-view-message-re' and then go back one
+  ;; line when finding it.  Modes that derive from `log-view-mode' for
+  ;; which this assumption is not valid will have to provide another
+  ;; implementation of this function.
+
+  ;; Look back and if there is no entry there it means we are before
+  ;; the first log entry, so go forward until finding one.
+  (unless (save-excursion (re-search-backward log-view-message-re nil t))
+    (re-search-forward log-view-message-re nil t))
+
+  ;; In case we are at the end of log entry going forward a line will
+  ;; make us find the next entry when searching. If we are inside of
+  ;; an entry going forward a line will still keep the point inside
+  ;; the same entry.
+  (forward-line 1)
+
+  ;; In case we are at the beginning of an entry, move past it.
+  (when (looking-at log-view-message-re)
+    (goto-char (match-end 0))
+    (forward-line 1))
+
+  ;; Search for the start of the next log entry.  Go to the end of the
+  ;; buffer if we could not find a next entry.
+  (when (re-search-forward log-view-message-re nil 'move)
+    (goto-char (match-beginning 0))
+    (forward-line -1)))
+
 (defvar cvs-minor-current-files)
 (defvar cvs-branch-prefix)
 (defvar cvs-secondary-branch-prefix)
@@ -320,6 +373,14 @@
     (switch-to-buffer (vc-find-version (log-view-current-file)
                                        (log-view-current-tag)))))
 
+(defun log-view-annotate-version (pos)
+  "Annotate the version at point."
+  (interactive "d")
+  (save-excursion
+    (goto-char pos)
+    (switch-to-buffer (vc-annotate (log-view-current-file)
+                                  (log-view-current-tag)))))
+
 ;;
 ;; diff
 ;;