345 lines
15 KiB
EmacsLisp
345 lines
15 KiB
EmacsLisp
;;; email/mu4e/autoload/email.el -*- lexical-binding: t; -*-
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;;;###autodef
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(defun set-email-account! (label letvars &optional default-p)
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"Registers an email address for mu4e. The LABEL is a string. LETVARS are a
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list of cons cells (VARIABLE . VALUE) -- you may want to modify:
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+ `user-full-name' (this or the global `user-full-name' is required)
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+ `user-mail-address' (required in mu4e < 1.4)
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+ `smtpmail-smtp-user' (required for sending mail from Emacs)
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OPTIONAL:
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+ `mu4e-sent-folder'
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+ `mu4e-drafts-folder'
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+ `mu4e-trash-folder'
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+ `mu4e-refile-folder'
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+ `mu4e-compose-signature'
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DEFAULT-P is a boolean. If non-nil, it marks that email account as the
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default/fallback account."
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(after! mu4e
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(when (version< mu4e-mu-version "1.4")
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(when-let (address (cdr (assq 'user-mail-address letvars)))
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(add-to-list 'mu4e-user-mail-address-list address)))
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(setq mu4e-contexts
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(cl-loop for context in mu4e-contexts
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unless (string= (mu4e-context-name context) label)
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collect context))
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(let ((context (make-mu4e-context
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:name label
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:enter-func (lambda () (mu4e-message "Switched to %s" label))
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:leave-func #'mu4e-clear-caches
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:match-func
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(lambda (msg)
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(when msg
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(string-prefix-p (format "/%s" label)
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(mu4e-message-field msg :maildir))))
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:vars letvars)))
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(push context mu4e-contexts)
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(when default-p
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(setq-default mu4e-context-current context))
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context)))
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(defvar +mu4e-workspace-name "*mu4e*"
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"TODO")
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(defvar +mu4e--old-wconf nil)
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(add-hook 'mu4e-main-mode-hook #'+mu4e-init-h)
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;;;###autoload
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(defun =mu4e ()
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"Start email client."
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(interactive)
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(require 'mu4e)
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(if (featurep! :ui workspaces)
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;; delete current workspace if empty
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;; this is useful when mu4e is in the daemon
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;; as otherwise you can accumulate empty workspaces
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(unless (+workspace-buffer-list)
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(+workspace-delete (+workspace-current-name)))
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(+workspace-switch +mu4e-workspace-name t)
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(setq +mu4e--old-wconf (current-window-configuration))
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(delete-other-windows)
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(switch-to-buffer (doom-fallback-buffer)))
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(mu4e~start 'mu4e~main-view)
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;; (save-selected-window
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;; (prolusion-mail-show))
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)
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;;;###autoload
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(defun +mu4e/compose ()
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"Compose a new email."
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(interactive)
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;; TODO Interactively select email account
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(call-interactively #'mu4e-compose-new))
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;; Icons need a bit of work
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;; Spacing needs to be determined and adjucted
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;;;###autoload
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(defun +get-string-width (str)
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"Return the width in pixels of a string in the current
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window's default font. If the font is mono-spaced, this
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will also be the width of all other printable characters."
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(let ((window (selected-window))
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(remapping face-remapping-alist))
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(with-temp-buffer
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(make-local-variable 'face-remapping-alist)
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(setq face-remapping-alist remapping)
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(set-window-buffer window (current-buffer))
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(insert str)
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(car (window-text-pixel-size)))))
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;;;###autoload
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(cl-defun mu4e~normalised-icon (name &key set colour height v-adjust)
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"Convert :icon declaration to icon"
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(let* ((icon-set (intern (concat "all-the-icons-" (or set "faicon"))))
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(v-adjust (or v-adjust 0.02))
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(height (or height 0.8))
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(icon (if colour
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(apply icon-set `(,name :face ,(intern (concat "all-the-icons-" colour)) :height ,height :v-adjust ,v-adjust))
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(apply icon-set `(,name :height ,height :v-adjust ,v-adjust))))
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(icon-width (+get-string-width icon))
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(space-width (+get-string-width " "))
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(space-factor (- 2 (/ (float icon-width) space-width))))
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(concat (propertize " " 'display `(space . (:width ,space-factor))) icon)))
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;; Set up all the fancy icons
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;;;###autoload
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(defun mu4e~initialise-icons ()
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(setq mu4e-use-fancy-chars t
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mu4e-headers-draft-mark (cons "D" (mu4e~normalised-icon "pencil"))
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mu4e-headers-flagged-mark (cons "F" (mu4e~normalised-icon "flag"))
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mu4e-headers-new-mark (cons "N" (mu4e~normalised-icon "sync" :set "material" :height 0.8 :v-adjust -0.10))
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mu4e-headers-passed-mark (cons "P" (mu4e~normalised-icon "arrow-right"))
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mu4e-headers-replied-mark (cons "R" (mu4e~normalised-icon "arrow-right"))
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mu4e-headers-seen-mark (cons "S" "") ;(mu4e~normalised-icon "eye" :height 0.6 :v-adjust 0.07 :colour "dsilver"))
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mu4e-headers-trashed-mark (cons "T" (mu4e~normalised-icon "trash"))
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mu4e-headers-attach-mark (cons "a" (mu4e~normalised-icon "file-text-o" :colour "silver"))
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mu4e-headers-encrypted-mark (cons "x" (mu4e~normalised-icon "lock"))
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mu4e-headers-signed-mark (cons "s" (mu4e~normalised-icon "certificate" :height 0.7 :colour "dpurple"))
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mu4e-headers-unread-mark (cons "u" (mu4e~normalised-icon "eye-slash" :v-adjust 0.05))))
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;;;###autoload
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(defun mu4e~header-colourise (str)
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(let* ((str-sum (apply #'+ (mapcar (lambda (c) (% c 3)) str)))
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(colour (nth (% str-sum (length mu4e-header-colourised-faces))
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mu4e-header-colourised-faces)))
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(put-text-property 0 (length str) 'face colour str)
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str))
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;; Adding emails to the agenda
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;; Perfect for when you see an email you want to reply to
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;; later, but don't want to forget about
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;;;###autoload
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(defun mu4e-msg-to-agenda (arg)
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"Refile a message and add a entry in the agenda file with a
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deadline. Default deadline is today. With one prefix, deadline
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is tomorrow. With two prefixes, select the deadline."
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(interactive "p")
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(let ((file (car org-agenda-files))
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(sec "^* Email")
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(msg (mu4e-message-at-point)))
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(when msg
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;; put the message in the agenda
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(with-current-buffer (find-file-noselect file)
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(save-excursion
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;; find header section
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(goto-char (point-min))
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(when (re-search-forward sec nil t)
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(let (org-M-RET-may-split-line
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(lev (org-outline-level))
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(folded-p (invisible-p (point-at-eol))))
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;; place the subheader
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(when folded-p (show-branches)) ; unfold if necessary
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(org-end-of-meta-data) ; skip property drawer
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(org-insert-todo-heading 1) ; insert a todo heading
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(when (= (org-outline-level) lev) ; demote if necessary
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(org-do-demote))
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;; insert message and add deadline
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(insert (concat " Respond to "
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"[[mu4e:msgid:"
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(plist-get msg :message-id) "]["
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(truncate-string-to-width
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(caar (plist-get msg :from)) 25 nil nil t)
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" - "
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(truncate-string-to-width
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(plist-get msg :subject) 40 nil nil t)
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"]] "))
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(org-deadline nil
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(cond ((= arg 1) (format-time-string "%Y-%m-%d"))
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((= arg 4) "+1d")))
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(org-update-parent-todo-statistics)
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;; refold as necessary
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(if folded-p
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(progn
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(org-up-heading-safe)
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(hide-subtree))
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(hide-entry))))))
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;; refile the message and update
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;; (cond ((eq major-mode 'mu4e-view-mode)
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;; (mu4e-view-mark-for-refile))
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;; ((eq major-mode 'mu4e-headers-mode)
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;; (mu4e-headers-mark-for-refile)))
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(message "Refiled \"%s\" and added to the agenda for %s"
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(truncate-string-to-width
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(plist-get msg :subject) 40 nil nil t)
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(cond ((= arg 1) "today")
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((= arg 4) "tomorrow")
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(t "later"))))))
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;;;###autoload
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(defun +mu4e-set-account ()
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"Set the account for composing a message. If a 'To' header is present,
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and correspands to an email account, this account will be selected.
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Otherwise, the user is prompted for the account they wish to use."
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(unless (and mu4e-compose-parent-message
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(let ((to (cdr (car (mu4e-message-field mu4e-compose-parent-message :to))))
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(from (cdr (car (mu4e-message-field mu4e-compose-parent-message :from)))))
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(if (member to (plist-get mu4e~server-props :personal-addresses))
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(setq user-mail-address to)
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(if (member from (plist-get mu4e~server-props :personal-addresses))
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(setq user-mail-address from)
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nil))))
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(ivy-read "Account: " (plist-get mu4e~server-props :personal-addresses) :action (lambda (candidate) (setq user-mail-address candidate)))))
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;;;###autoload
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(defun mu4e~main-action-prettier-str (str &optional func-or-shortcut)
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"Highlight the first occurrence of [.] in STR.
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If FUNC-OR-SHORTCUT is non-nil and if it is a function, call it
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when STR is clicked (using RET or mouse-2); if FUNC-OR-SHORTCUT is
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a string, execute the corresponding keyboard action when it is
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clicked."
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:override #'mu4e~main-action-str
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(let ((newstr
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(replace-regexp-in-string
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"\\[\\(..?\\)\\]"
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(lambda(m)
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(format "%s"
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(propertize (match-string 1 m) 'face '(mode-line-emphasis bold))))
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(replace-regexp-in-string "\t\\*" "\t⚫" str)))
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(map (make-sparse-keymap))
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(func (if (functionp func-or-shortcut)
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func-or-shortcut
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(if (stringp func-or-shortcut)
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(lambda()(interactive)
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(execute-kbd-macro func-or-shortcut))))))
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(define-key map [mouse-2] func)
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(define-key map (kbd "RET") func)
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(put-text-property 0 (length newstr) 'keymap map newstr)
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(put-text-property (string-match "[A-Za-z].+$" newstr)
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(- (length newstr) 1) 'mouse-face 'highlight newstr)
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newstr))
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;;
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;; Hooks
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(defun +mu4e-init-h ()
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(add-hook 'kill-buffer-hook #'+mu4e-kill-mu4e-h nil t))
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(defun +mu4e-kill-mu4e-h ()
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;; (prolusion-mail-hide)
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(cond
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((and (featurep! :ui workspaces) (+workspace-exists-p +mu4e-workspace-name))
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(+workspace/delete +mu4e-workspace-name))
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(+mu4e--old-wconf
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(set-window-configuration +mu4e--old-wconf)
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(setq +mu4e--old-wconf nil))))
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;; org-msg hooks
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;;;###autoload
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(defun +org-msg-img-scale-css (img-uri)
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"For a given IMG-URI, use imagemagik to find its width."
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(if org-msg-currently-exporting
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(list :width
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(format "%.1fpx"
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(/ (string-to-number
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(shell-command-to-string
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;; TODO change to use 'file'
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(format "identify -format %%w %s"
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(substring img-uri 7)))) ; 7=(length "file://")
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(plist-get org-format-latex-options :scale))))
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(list :style (format "transform: scale(%.3f)"
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(/ 1.0 (plist-get org-format-latex-options :scale))))))
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(defun org-html-latex-fragment-scaled (latex-fragment _contents info)
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"Transcode a LATEX-FRAGMENT object from Org to HTML.
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CONTENTS is nil. INFO is a plist holding contextual information.
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This differs from `org-html-latex-fragment' in that it uses the LaTeX fragment
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as a meaningful alt value, applies a class to indicate what sort of fragment it is
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(latex-fragment-inline or latex-fragment-block), and (on Linux) scales the image to
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account for the value of :scale in `org-format-latex-options'."
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(let ((latex-frag (org-element-property :value latex-fragment))
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(processing-type (plist-get info :with-latex)))
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(cond
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((memq processing-type '(t mathjax))
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(org-html-format-latex latex-frag 'mathjax info))
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((memq processing-type '(t html))
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(org-html-format-latex latex-frag 'html info))
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((assq processing-type org-preview-latex-process-alist)
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(let ((formula-link
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(org-html-format-latex latex-frag processing-type info)))
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(when (and formula-link (string-match "file:\\([^]]*\\)" formula-link))
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(let ((source (org-export-file-uri (match-string 1 formula-link)))
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(attributes (list :alt latex-frag
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:class (concat "latex-fragment-"
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(if (equal "\\(" (substring latex-frag 0 2))
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"inline" "block")))))
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(when (and (memq processing-type '(dvipng convert))
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(not IS-WINDOWS) ; relies on posix path
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(executable-find "identify"))
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(apply #'plist-put attributes (+org-msg-img-scale-css source)))
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(org-html--format-image source attributes info)))))
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(t latex-frag))))
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(defun org-html-latex-environment-scaled (latex-environment _contents info)
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"Transcode a LATEX-ENVIRONMENT element from Org to HTML.
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CONTENTS is nil. INFO is a plist holding contextual information.
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This differs from `org-html-latex-environment' in that (on Linux) it
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scales the image to account for the value of :scale in `org-format-latex-options'."
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(let ((processing-type (plist-get info :with-latex))
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(latex-frag (org-remove-indentation
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(org-element-property :value latex-environment)))
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(attributes (org-export-read-attribute :attr_html latex-environment))
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(label (and (org-element-property :name latex-environment)
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(org-export-get-reference latex-environment info)))
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(caption (and (org-html--latex-environment-numbered-p latex-environment)
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(number-to-string
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(org-export-get-ordinal
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latex-environment info nil
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(lambda (l _)
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(and (org-html--math-environment-p l)
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(org-html--latex-environment-numbered-p l))))))))
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(plist-put attributes :class "latex-environment")
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(cond
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((memq processing-type '(t mathjax))
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(org-html-format-latex
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(if (org-string-nw-p label)
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(replace-regexp-in-string "\\`.*"
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(format "\\&\n\\\\label{%s}" label)
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latex-frag)
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latex-frag)
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'mathjax info))
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((assq processing-type org-preview-latex-process-alist)
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(let ((formula-link
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(org-html-format-latex
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(org-html--unlabel-latex-environment latex-frag)
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processing-type info)))
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(when (and formula-link (string-match "file:\\([^]]*\\)" formula-link))
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(let ((source (org-export-file-uri (match-string 1 formula-link))))
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(when (and (memq processing-type '(dvipng convert))
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(not IS-WINDOWS) ; relies on posix path
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(executable-find "identify"))
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(apply #'plist-put attributes (+org-msg-img-scale-css source)))
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(org-html--wrap-latex-environment
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(org-html--format-image source attributes info)
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info caption label)))))
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(t (org-html--wrap-latex-environment latex-frag info caption label)))))
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