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emacs: Make the queries used in the all-tags section configurable

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This patch adds a customization variable that controls what queries
are used to construct the all-tags section in notmuch-hello. It allows
the user to specify a function to construct the query given a tag or
a string that is used as a filter for each tag.
It also adds a variable to hide various tags from the all-tags section.

Signed-off-by: Daniel Schoepe <daniel.schoepe@googlemail.com>
This commit is contained in:
Daniel Schoepe 2011-05-25 23:21:54 +02:00 committed by Carl Worth
parent 5297b361d1
commit eb4e0ea2ab
2 changed files with 49 additions and 3 deletions
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43
emacs/notmuch-hello.el
View file

@ -55,6 +55,26 @@
:type 'boolean
:group 'notmuch)
(defcustom notmuch-hello-tag-list-make-query nil
"Function or string to generate queries for the all tags list.
This variable controls which query results are shown for each tag
in the \"all tags\" list. If nil, it will use all messages with
that tag. If this is set to a string, it is used as a filter for
messages having that tag (equivalent to \"tag:TAG and (THIS-VARIABLE)\").
Finally this can be a function that will be called for each tag and
should return a filter for that tag, or nil to hide the tag."
:type '(choice (const :tag "All messages" nil)
(const :tag "Unread messages" "tag:unread")
(const :tag "Custom filter" string)
(const :tag "Custom filter function" function))
:group 'notmuch)
(defcustom notmuch-hello-hide-tags nil
"List of tags to be hidden in the \"all tags\"-section."
:type '(repeat string)
:group 'notmuch)
(defface notmuch-hello-logo-background
'((((class color)
(background dark))
@ -318,6 +338,25 @@ Complete list of currently available key bindings:
;;(setq buffer-read-only t)
)
(defun notmuch-hello-generate-tag-alist ()
"Return an alist from tags to queries to display in the all-tags section."
(notmuch-remove-if-not
#'cdr
(mapcar (lambda (tag)
(cons tag
(cond
((functionp notmuch-hello-tag-list-make-query)
(concat "tag:" tag " and ("
(funcall notmuch-hello-tag-list-make-query tag) ")"))
((stringp notmuch-hello-tag-list-make-query)
(concat "tag:" tag " and ("
notmuch-hello-tag-list-make-query ")"))
(t (concat "tag:" tag)))))
(notmuch-remove-if-not
(lambda (tag)
(not (member tag notmuch-hello-hide-tags)))
(process-lines notmuch-command "search-tags")))))
;;;###autoload
(defun notmuch-hello (&optional no-display)
"Run notmuch and display saved searches, known tags, etc."
@ -396,9 +435,7 @@ Complete list of currently available key bindings:
if (> (string-to-number (notmuch-saved-search-count (cdr elem))) 0)
collect elem)))
(saved-widest (notmuch-hello-longest-label saved-alist))
(alltags-alist (if notmuch-show-all-tags-list
(mapcar '(lambda (tag) (cons tag (concat "tag:" tag)))
(process-lines notmuch-command "search-tags"))))
(alltags-alist (if notmuch-show-all-tags-list (notmuch-hello-generate-tag-alist)))
(alltags-widest (notmuch-hello-longest-label alltags-alist))
(widest (max saved-widest alltags-widest)))

9
emacs/notmuch-lib.el
View file

@ -120,6 +120,15 @@ within the current window."
(or (memq prop buffer-invisibility-spec)
(assq prop buffer-invisibility-spec)))))
(defun notmuch-remove-if-not (predicate list)
"Return a copy of LIST with all items not satisfying PREDICATE removed."
(let (out)
(while list
(when (funcall predicate (car list))
(push (car list) out))
(setq list (cdr list)))
(nreverse out)))
; This lets us avoid compiling these replacement functions when emacs
; is sufficiently new enough to supply them alone. We do the macro
; treatment rather than just wrapping our defun calls in a when form