mu4e: switch to contexts

lisp/init-mu4e.el

  mu4e-sent-folder   "/Sent"
  mu4e-trash-folder  "/Trash")
 
-(setq mu4e-get-mail-command "offlineimap")
+;;(setq mu4e-get-mail-command "offlineimap")
+
+;; http://cachestocaches.com/2017/3/complete-guide-email-emacs-using-mu-and-/
+;; Include a bookmark to open all of my inboxes
+(add-to-list 'mu4e-bookmarks
+             (make-mu4e-bookmark
+              :name "All Inboxes"
+              :query "maildir:/INBOX"
+              :key ?i)
+             (make-mu4e-bookmark
+              :name "Gmail unread"
+              :query "maildir:/Gmail AND flag:unread AND NOT flag:trashed"
+              :key ?g))
+;; This allows me to use 'helm' to select mailboxes
+(setq mu4e-completing-read-function 'completing-read)
+;; Why would I want to leave my message open after I've sent it?
+(setq message-kill-buffer-on-exit t)
+;; Don't ask for a 'context' upon opening mu4e
+(setq mu4e-context-policy 'pick-first)
+;; Don't ask to quit... why is this the default?
+(setq mu4e-confirm-quit nil)
+
+(setq mu4e-contexts
+      `( ,(make-mu4e-context
+           :name "Private"
+           :enter-func (lambda () (mu4e-message "Entering Private context"))
+           :leave-func (lambda () (mu4e-message "Leaving Private context"))
+           ;; we match based on the contact-fields of the message
+           :match-func (lambda (msg)
+                         (when msg
+                           (mu4e-message-contact-field-matches msg
+                                                               :to "aliced@home.example.com")))
+           :vars '( ( user-mail-address	    . "aliced@home.example.com"  )
+                    ( user-full-name	    . "Alice Derleth" )
+                    ( mu4e-compose-signature .
+                                             (concat
+                                              "Alice Derleth\n"
+                                              "Lauttasaari, Finland\n"))))
+         ,(make-mu4e-context
+           :name "Work"
+           :enter-func (lambda () (mu4e-message "Switch to the Work context"))
+           ;; no leave-func
+           ;; we match based on the maildir of the message
+           ;; this matches maildir /Arkham and its sub-directories
+           :match-func (lambda (msg)
+                         (when msg
+                           (string-match-p "^/Arkham" (mu4e-message-field msg :maildir))))
+           :vars '( ( user-mail-address	     . "aderleth@miskatonic.example.com" )
+                    ( user-full-name	     . "Alice Derleth" )
+                    ( mu4e-compose-signature  .
+                                              (concat
+                                               "Prof. Alice Derleth\n"
+                                               "Miskatonic University, Dept. of Occult Sciences\n"))))
+
+         ,(make-mu4e-context
+           :name "Cycling"
+           :enter-func (lambda () (mu4e-message "Switch to the Cycling context"))
+           ;; no leave-func
+           ;; we match based on the maildir of the message; assume all
+           ;; cycling-related messages go into the /cycling maildir
+           :match-func (lambda (msg)
+                         (when msg
+                           (string= (mu4e-message-field msg :maildir) "/cycling")))
+           :vars '( ( user-mail-address	     . "aderleth@example.com" )
+                    ( user-full-name	     . "AliceD" )
+                    ( mu4e-compose-signature  . nil)))))
+
+;; set `mu4e-context-policy` and `mu4e-compose-policy` to tweak when mu4e should
+;; guess or ask the correct context, e.g.
+
+;; start with the first (default) context;
+;; default is to ask-if-none (ask when there's no context yet, and none match)
+;; (setq mu4e-context-policy 'pick-first)
+
+;; compose with the current context is no context matches;
+;; default is to ask
+;; (setq mu4e-compose-context-policy nil)
+
+;; http://pragmaticemacs.com/emacs/master-your-inbox-with-mu4e-and-org-mode/
+;;store org-mode links to messages
+(require 'org-mu4e)
+;;store link to message if in header view, not to header query
+(setq org-mu4e-link-query-in-headers-mode nil)
 
 (provide 'init-mu4e)