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Merge pull request #1338 from ibizaman/bookmark-function

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mu4e: allow :query to accept a function returning a query string
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Dirk-Jan C. Binnema 2018-11-19 20:59:50 +02:00 committed by GitHub
commit e6c24c28a3
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2 changed files with 27 additions and 5 deletions
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4
mu4e/mu4e-utils.el
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@ -454,7 +454,9 @@ KAR, or raise an error if none is found."
(mu4e-bookmarks))
(mu4e-warn "Unknown shortcut '%c'" kar)))
(expr (mu4e-bookmark-query chosen-bm))
(query (eval expr)))
(expr (if (not (functionp expr)) expr
(funcall expr)))
(query (eval expr)))
(if (stringp query)
query
(mu4e-warn "Expression must evaluate to query string ('%S')" expr))))

28
mu4e/mu4e.texi
View File

@ -2012,10 +2012,11 @@ defined in the echo area, with the shortcut key highlighted. So, to invoke the
bookmark we just defined (to get the list of "Big Messages"), all you need to
type is @kbd{bb}.
@subsection Lisp expressions as bookmarks
@subsection Lisp expressions or functions as bookmarks
Instead of using strings, it is also possible to use Lisp expressions as
bookmarks. The only requirement is that they evaluate to a query string.
bookmarks. Either the expression evaluates to a query string or the expression
is a function taking no argument that returns a query string.
For example, to get all the messages that are at most a week old in your
inbox:
@ -2024,12 +2025,31 @@ inbox:
(add-to-list 'mu4e-bookmarks
(make-mu4e-bookmark
:name "Inbox messages in the last 7 days"
:query (concat "maildir:/inbox AND date:"
:query (lambda () (concat "maildir:/inbox AND date:"
(format-time-string "%Y%m%d"
(subtract-time (current-time) (days-to-time 7))))
(subtract-time (current-time) (days-to-time 7)))))
:key ?w) t)
@end lisp
Another example where the user is prompted how many days old messages should be
shown:
@lisp
(defun my/mu4e-bookmark-num-days-old-query (days-old)
(interactive (list (read-number "Show days old messages: " 7)))
(let ((start-date (subtract-time (current-time) (days-to-time days-old))))
(concat "maildir:/inbox AND date:"
(format-time-string "%Y%m%d" start-date))))
(add-to-list 'mu4e-bookmarks
(make-mu4e-bookmark
:name "Inbox messages in the last 7 days"
:query (lambda () (call-interactively 'my/mu4e-bookmark-num-days-old-query))
:key ?o) t)
@end lisp
It is defining a function to make the code more readable.
@subsection Editing bookmarks before searching
There is also @kbd{M-x mu4e-headers-search-bookmark-edit} (key @key{B}), which