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notmuch.el: colorize lines in notmuch-search based on thread tags.

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Arbitrary font faces can be specified for given thread tags.  By
default, no coloring is applied.  To specify coloring, place something
like this in your .emacs:

(setq notmuch-search-line-faces '(("delete" . '(:foreground "red"))
                                  ("unread" . '(:foreground "green"))))

Order matters: line faces listed first will take precedence (in the
example above, a thread tagged both "delete" and "unread" will be
colored red, since the "delete" face is listed before the "unread").
 notmuch.el |   33 ++++++++++++++++++++++++++++++++-
 1 files changed, 32 insertions(+), 1 deletions(-)
This commit is contained in:
Jameson Rollins 2010-02-04 07:07:26 -05:00 committed by Carl Worth
parent 8364c2f36e
commit 84767fd582
1 changed files with 32 additions and 1 deletions
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33
emacs/notmuch.el
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@ -526,6 +526,35 @@ This function advances the next thread when finished."
notmuch-search-target-line)
(goto-line notmuch-search-target-line)))))))
(defcustom notmuch-search-line-faces nil
"Tag/face mapping for line highlighting in notmuch-search.
Here is an example of how to color search results based on tags.
(the following text would be placed in your ~/.emacs file):
(setq notmuch-search-line-faces '((\"delete\" . '(:foreground \"red\"))
(\"unread\" . '(:foreground \"green\"))))
Order matters: for lines with multiple tags, the the first
matching will be applied."
:type '(alist :key-type (string) :value-type (list))
:group 'notmuch)
(defun notmuch-search-color-line (start end line-tag-list)
"Colorize lines in notmuch-show based on tags"
(if notmuch-search-line-faces
(let ((overlay (make-overlay start end))
(tags-faces (copy-alist notmuch-search-line-faces)))
(while tags-faces
(let* ((tag-face (car tags-faces))
(tag (car tag-face))
(face (cdr tag-face)))
(cond ((member tag line-tag-list)
(overlay-put overlay 'face face)
(setq tags-faces nil))
(t
(setq tags-faces (cdr tags-faces)))))))))
(defun notmuch-search-process-filter (proc string)
"Process and filter the output of \"notmuch search\""
(let ((buffer (process-buffer proc))
@ -544,13 +573,15 @@ This function advances the next thread when finished."
(authors (match-string 4 string))
(authors-length (length authors))
(subject (match-string 5 string))
(tags (match-string 6 string)))
(tags (match-string 6 string))
(tag-list (if tags (save-match-data (split-string tags)))))
(if (> authors-length notmuch-search-authors-width)
(set 'authors (concat (substring authors 0 (- notmuch-search-authors-width 3)) "...")))
(goto-char (point-max))
(let ((beg (point-marker))
(format-string (format "%%s %%-7s %%-%ds %%s (%%s)\n" notmuch-search-authors-width)))
(insert (format format-string date count authors subject tags))
(notmuch-search-color-line beg (point-marker) tag-list)
(put-text-property beg (point-marker) 'notmuch-search-thread-id thread-id)
(put-text-property beg (point-marker) 'notmuch-search-authors authors)
(put-text-property beg (point-marker) 'notmuch-search-subject subject)