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+#+TITLE: Ask for selection in emacs
+#+DESCRIPTION: Something I came across
+
+I came across an email on one of the emacs mailing lists today, where
+someone asked how to ask a user for input whilst providing
+completions. The first answer he got was to try ~tmm-prompt~, so I
+looked into it a little.
+
+I use ~mu4e~ as my primary email program, but since it isn't designed
+(seemingly) for use with multiple accounts I've got some wrapper
+functions that set some variables according to my liking and then
+start ~mu4e~. This works very well, but it's a pain to have to use
+~M-x view-ryu-mail~ or ~M-x view-ninthfloor-mail~ and such, so I wrote
+a function to read a string from the minibuffer, which I then bound to
+the ~<XF86Mail>~ key, this turned it into, for example ~<XF86Mail>
+ryu~ and ~<XF86Mail> ninthfloor~ and so on, but this doesn't have any
+completion or notification of my options.
+
+So after looking at ~tmm-prompt~ I came up with the following:
+
+#+BEGIN_SRC emacs-lisp
+(defvar oni:mailbox-map
+  '(("ryulash.org" . "ryu")
+    ("ninthfloor" . "ninthfloor"))
+  "A mailbox map for use with `tmm-prompt'.")
+
+(defun view-ryu-mail ()...)
+(defun view-ninthfloor-mail ()...)
+
+(defun view-mu ()
+  (interactive)
+  (let* ((tmm-completion-prompt "Choose a mailbox\n")
+         (inbox (tmm-prompt oni:mailbox-map)))
+    (funcall (intern (concat "view-" inbox "-mail")))))
+#+END_SRC
+
+I've left out the definitions and some mail accounts for brevity.
+
+~tmm-prompt~ is usually used when using the text-mode menu with ~M-`~,
+but it works very well here too. This changes mailbox selection to,
+for example ~<XF86Mail> r~ or ~<XF86Mail> n~.