mirror of https://github.com/djcb/mu.git
1311 lines
50 KiB
EmacsLisp
1311 lines
50 KiB
EmacsLisp
;;; mu4e-headers.el -- part of mu4e, the mu mail user agent
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;;
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;; Copyright (C) 2011-2012 Dirk-Jan C. Binnema
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;; Author: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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;; Maintainer: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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;; This file is not part of GNU Emacs.
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;;
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; In this file are function related mu4e-headers-mode, to creating the list of
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;; one-line descriptions of emails, aka 'headers' (not to be confused with
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;; headers like 'To:' or 'Subject:')
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;; Code:
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(eval-when-compile (byte-compile-disable-warning 'cl-functions))
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(require 'cl)
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(require 'fringe)
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(require 'hl-line)
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(require 'mu4e-utils) ;; utility functions
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(require 'mu4e-proc)
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(require 'mu4e-vars)
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(require 'mu4e-mark)
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(require 'mu4e-compose)
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(require 'mu4e-actions)
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(require 'mu4e-message)
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;; the headers view
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(defgroup mu4e-headers nil
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"Settings for the headers view."
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:group 'mu4e)
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(defcustom mu4e-headers-fields
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'( (:human-date . 12)
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(:flags . 6)
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(:from . 22)
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(:subject . nil))
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"A list of header fields to show in the headers buffer, and their
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respective widths in characters. A width of `nil' means
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'unrestricted', and this is best reserved fo the rightmost (last)
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field. For the complete list of available headers, see
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`mu4e-header-info'."
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:type (list 'symbol)
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:group 'mu4e-headers)
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(defcustom mu4e-headers-date-format "%x"
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"Date format to use in the headers view, in the format of
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`format-time-string'."
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:type 'string
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:group 'mu4e-headers)
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(defcustom mu4e-headers-time-format "%X"
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"Time format to use in the headers view, in the format of
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`format-time-string'."
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:type 'string
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:group 'mu4e-headers)
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(defcustom mu4e-headers-visible-lines 10
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"Number of lines to display in the header view when using the
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horizontal split-view. This includes the header-line at the top,
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and the mode-line."
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:type 'integer
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:group 'mu4e-headers)
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(defcustom mu4e-headers-visible-columns 30
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"Number of columns to display for the header view when using the
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vertical split-view."
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:type 'integer
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:group 'mu4e-headers)
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(defcustom mu4e-headers-auto-update t
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"Whether to automatically update the current headers buffer if an
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indexing operation showed changes."
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:type 'boolean
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:group 'mu4e-headers)
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;; marks for headers of the form; each is a cons-cell (basic . fancy)
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;; each of which is basic ascii char and something fancy, respectively
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(defvar mu4e-headers-draft-mark (purecopy '("D" . "⚒")) "Draft.")
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(defvar mu4e-headers-flagged-mark (purecopy '("F" . "⚑")) "Flagged.")
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(defvar mu4e-headers-new-mark (purecopy '("N" . "⭑")) "New.")
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(defvar mu4e-headers-passed-mark (purecopy '("P" . "❯")) "Passed (fwd).")
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(defvar mu4e-headers-replied-mark (purecopy '("R" . "❮")) "Replied.")
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(defvar mu4e-headers-seen-mark (purecopy '("S" . "✔")) "Seen.")
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(defvar mu4e-headers-trashed-mark (purecopy '("T" . "♻")) "Trashed.")
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(defvar mu4e-headers-attach-mark (purecopy '("a" . "⚓")) "W/ attachments.")
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(defvar mu4e-headers-encrypted-mark (purecopy '("x" . "⚴")) "Encrypted.")
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(defvar mu4e-headers-signed-mark (purecopy '("s" . "☡")) "Signed.")
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(defvar mu4e-headers-unread-mark (purecopy '("u" . "☐")) "Unread.")
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;; thread prefix marks
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(defvar mu4e-headers-has-child-prefix (purecopy '("+" . "◼")) "Parent.")
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(defvar mu4e-headers-empty-parent-prefix (purecopy '("-" . "◽")) "Orphan.")
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(defvar mu4e-headers-first-child-prefix (purecopy '("\\" . "┗▶")) "First child.")
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(defvar mu4e-headers-duplicate-prefix (purecopy '("=" . "⚌")) "Duplicate.")
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(defvar mu4e-headers-default-prefix (purecopy '("|" . "┃")) "Default.")
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(defvar mu4e-headers-actions
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'( ("capture message" . mu4e-action-capture-message))
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"List of actions to perform on messages in the headers list. The actions
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are of the form:
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(NAME SHORTCUT FUNC) where:
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* NAME is the name of the action (e.g. \"Count lines\")
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* SHORTCUT is a one-character shortcut to call this action
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* FUNC is a function which receives a message plist as an argument.")
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(defvar mu4e-headers-custom-markers
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'(("Older than"
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(lambda (msg date) (time-less-p (mu4e-msg-field msg :date) date))
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(lambda () (mu4e-get-time-date "Match messages before: ")))
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("Newer than"
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(lambda (msg date) (time-less-p date (mu4e-msg-field msg :date)))
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(lambda () (mu4e-get-time-date "Match messages after: ")))
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("Bigger than"
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(lambda (msg bytes) (> (mu4e-msg-field msg :size) (* 1024 bytes)))
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(lambda () (read-number "Match messages bigger than (Kbytes): "))))
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"List of custom markers -- functions to mark message that match
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some custom function. Each of the list members has the following format:
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(NAME PREDICATE-FUNC PARAM-FUNC)
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* NAME is the name of the predicate function, and the first character
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is the shortcut (so keep those unique).
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* PREDICATE-FUNC is a function that takes two parameters, MSG
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and (optionally) PARAM, and should return non-nil when there's a
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match.
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* PARAM-FUNC is function that is evaluated once, and its value is then passed to
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PREDICATE-FUNC as PARAM. This is useful for getting user-input.")
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(defvar mu4e-headers-sortfield :date
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"Field to sort the headers by. Field must be a symbol, one of:
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:date, :subject, :size, :prio, :from, :to.")
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(defvar mu4e-headers-sort-revert t
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"Whether to revert the sort-order, i.e. Z->A instead of A-Z. When
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sorting by date, it's useful to go from biggest to smallest, so
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newest messages come first.")
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(defvar mu4e-headers-show-threads t
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"Whether to show threads in the headers list.")
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(defvar mu4e-headers-full-search nil
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"Whether to show all results (or just up to
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`mu4e-search-results-limit')")
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;; internal variables/constants ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; docid cookies
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(defconst mu4e~headers-docid-pre (purecopy "\376")
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"Each header starts (invisibly) with the `mu4e~headers-docid-pre',
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followed by the docid, followed by `mu4e~headers-docid-post'.")
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(defconst mu4e~headers-docid-post (purecopy "\377")
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"Each header starts (invisibly) with the `mu4e~headers-docid-pre',
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followed by the docid, followed by `mu4e~headers-docid-post'.")
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(defvar mu4e~headers-view-win nil
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"The view window connected to this headers view.")
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(defvar mu4e~headers-sortfield-choices
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'( ("date" . :date)
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("from" . :from)
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("prio" . :prio)
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("zsize" . :size)
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("subject" . :subject)
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("to" . :to))
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"List of cells describing the various sort-options (in the format
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needed for `mu4e-read-option'.")
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun mu4e~headers-clear ()
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"Clear the header buffer and related data structures."
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(when (buffer-live-p mu4e~headers-buffer)
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(let ((inhibit-read-only t))
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(with-current-buffer mu4e~headers-buffer
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(erase-buffer)
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(mu4e~mark-clear)))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; handler functions
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;;
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;; next are a bunch of handler functions; those will be called from mu4e~proc in
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;; response to output from the server process
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(defun mu4e~headers-view-handler (msg)
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"Handler function for displaying a message."
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(mu4e-view msg mu4e~headers-buffer))
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(defun mu4e~headers-update-handler (msg is-move)
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"Update handler, will be called when a message has been updated
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in the database. This function will update the current list of
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headers."
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(when (buffer-live-p mu4e~headers-buffer)
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(with-current-buffer mu4e~headers-buffer
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(let* ((docid (mu4e-message-field msg :docid))
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(point (mu4e~headers-docid-pos docid)))
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(when point ;; is the message present in this list?
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;; if it's marked, unmark it now
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(when (mu4e-mark-docid-marked-p docid)
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(mu4e-mark-set 'unmark))
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;; re-use the thread info from the old one; this is needed because
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;; *update* messages don't have thread info by themselves (unlike
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;; search results)
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;; since we still have the search results, re-use
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;; those
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(plist-put msg :thread
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(mu4e~headers-field-for-docid docid :thread))
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;; first, remove the old one (otherwise, we'd have two headers with
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;; the same docid...
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(mu4e~headers-remove-handler docid)
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;; if we we're actually viewing this message (in mu4e-view mode), we
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;; update it; that way, the flags can be updated, as well as the path
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;; (which is useful for viewing the raw message)
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(let ((viewbuf (get-buffer mu4e~view-buffer-name)))
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(when (and viewbuf (buffer-live-p viewbuf))
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(with-current-buffer viewbuf
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(when (eq docid (plist-get mu4e~view-msg :docid))
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(mu4e-view msg mu4e~headers-buffer)))))
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;; now, if this update was about *moving* a message, we don't show it
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;; anymore (of course, we cannot be sure if the message really no
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;; longer matches the query, but this seem a good heuristic.
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;; if it was only a flag-change, show the message with its updated flags.
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(unless is-move
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(mu4e~headers-header-handler msg point))
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;; attempt to highlight the corresponding line and make it visible
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(mu4e~headers-highlight docid))))))
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(defun mu4e~headers-remove-handler (docid)
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"Remove handler, will be called when a message with DOCID has
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been removed from the database. This function will hide the removed
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message from the current list of headers. If the message is not
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present, don't do anything."
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(when (buffer-live-p mu4e~headers-buffer)
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(with-current-buffer mu4e~headers-buffer
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(mu4e~headers-remove-header docid t))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defsubst mu4e~headers-contact-str (contacts)
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"Turn the list of contacts CONTACTS (with elements (NAME . EMAIL)
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into a string."
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(mapconcat
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(lambda (ct)
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(let ((name (car ct)) (email (cdr ct)))
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(or name email "?"))) contacts ", "))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defsubst mu4e~headers-thread-prefix (thread)
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"Calculate the thread prefix based on thread info THREAD."
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(when thread
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(let ((get-prefix
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(lambda (cell) (if mu4e-use-fancy-chars (cdr cell) (car cell)))))
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(concat
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(make-string (* (if (plist-get thread :empty-parent) 0 2)
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(plist-get thread :level)) ?\s)
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(cond
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((plist-get thread :has-child)
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(funcall get-prefix mu4e-headers-has-child-prefix))
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((plist-get thread :empty-parent)
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(funcall get-prefix mu4e-headers-empty-parent-prefix))
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((plist-get thread :first-child)
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(funcall get-prefix mu4e-headers-first-child-prefix))
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((plist-get thread :duplicate)
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(funcall get-prefix mu4e-headers-duplicate-prefix))
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(t
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(funcall get-prefix mu4e-headers-default-prefix)))
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" "))))
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(defsubst mu4e~headers-flags-str (flags)
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"Get a display string for the flags; note, there is
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`mu4e-flags-to-string' but that is for internal use; this function
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is for display. (This difference is significant, since internally,
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the Maildir spec determines what the flags look like, while our
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display may be different)."
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(let ((str)
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(get-prefix
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(lambda (cell) (if mu4e-use-fancy-chars (cdr cell) (car cell)))))
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(dolist (flag flags)
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(setq str
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(concat str
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(case flag
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('draft (funcall get-prefix mu4e-headers-draft-mark))
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('flagged (funcall get-prefix mu4e-headers-flagged-mark))
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('new (funcall get-prefix mu4e-headers-new-mark))
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('passed (funcall get-prefix mu4e-headers-passed-mark))
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('replied (funcall get-prefix mu4e-headers-replied-mark))
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('seen (funcall get-prefix mu4e-headers-seen-mark))
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('trashed (funcall get-prefix mu4e-headers-trashed-mark))
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('attach (funcall get-prefix mu4e-headers-attach-mark))
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('encrypted (funcall get-prefix mu4e-headers-encrypted-mark))
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('signed (funcall get-prefix mu4e-headers-signed-mark))
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('unread (funcall get-prefix mu4e-headers-unread-mark))))))
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str))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defconst mu4e-headers-from-or-to-prefix '("" . "To ")
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"Prefix for the :from-or-to field when it is showing,
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respectively, From: or To:. It's a cons cell with the car element
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being the From: prefix, the cdr element the To: prefix.")
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(defsubst mu4e~headers-from-or-to (msg)
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"When the from address for message MSG is one of the the user's addresses,
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(as per `mu4e-user-mail-address-list'), show the To address;
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otherwise ; show the from address; prefixed with the appropriate
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`mu4e-headers-from-or-to-prefix'."
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(let ((addr (cdr-safe (car-safe (mu4e-message-field msg :from)))))
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(if (mu4e-user-mail-address-p addr)
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(concat (cdr mu4e-headers-from-or-to-prefix)
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(mu4e~headers-contact-str (mu4e-message-field msg :to)))
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(concat (car mu4e-headers-from-or-to-prefix)
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(mu4e~headers-contact-str (mu4e-message-field msg :from))))))
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(defsubst mu4e~headers-human-date (msg)
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"Show a 'human' date -- that is, if the date is today, show the
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date, otherwise, show the time. The formats used for date and time
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are `mu4e-headers-date-format' and `mu4e-headers-time-format'."
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(let ((date (mu4e-msg-field msg :date)))
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(if (= (nth 3 (decode-time date)) (nth 3 (decode-time (current-time))))
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(format-time-string mu4e-headers-time-format date)
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(format-time-string mu4e-headers-date-format date))))
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;; note: this function is very performance-sensitive
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(defun mu4e~headers-header-handler (msg &optional point)
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"Create a one line description of MSG in this buffer, at POINT,
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if provided, or at the end of the buffer otherwise."
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(let ((docid (mu4e-message-field msg :docid)) (line ""))
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(dolist (f-w mu4e-headers-fields)
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(let ((field (car f-w)) (width (cdr f-w))
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(val (mu4e-message-field msg (car f-w))) (str))
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(setq str
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(case field
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(:subject
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(concat ;; prefix subject with a thread indicator
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(mu4e~headers-thread-prefix (mu4e-message-field msg :thread))
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;; "["(plist-get (mu4e-message-field msg :thread) :path) "] "
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val))
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((:maildir :path) val)
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((:to :from :cc :bcc) (mu4e~headers-contact-str val))
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;; if we (ie. `user-mail-address' is the 'From', show
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;; 'To', otherwise show From
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(:from-or-to (mu4e~headers-from-or-to msg))
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(:date (format-time-string mu4e-headers-date-format val))
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(:human-date (mu4e~headers-human-date msg))
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(:flags (propertize (mu4e~headers-flags-str val)
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'help-echo (format "%S" val)))
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(:tags (propertize (mapconcat 'identity val ", ")))
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(:size (mu4e-display-size val))
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(t (mu4e-error "Unsupported header field (%S)" field))))
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(when str
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(setq line
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(concat line
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(if (not width)
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str
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(truncate-string-to-width str width 0 ?\s t)) " ")))))
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;; now, propertize it.
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(setq line (propertize line 'face
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(case (car-safe (mu4e-message-field msg :flags))
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('draft 'mu4e-draft-face)
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('trash 'mu4e-trashed-face)
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((unread new) 'mu4e-unread-face)
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('flagged 'mu4e-flagged-face)
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((replied passed) 'mu4e-replied-face)
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(t 'mu4e-header-face))))
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;; now, append the header line
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(mu4e~headers-add-header line docid point msg)))
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(defconst mu4e~no-matches (purecopy "No matching messages found"))
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(defconst mu4e~end-of-results (purecopy "End of search results"))
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(defun mu4e~headers-found-handler (count)
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"Create a one line description of the number of headers found
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after the end of the search results."
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(when (buffer-live-p mu4e~headers-buffer)
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(with-current-buffer mu4e~headers-buffer
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(save-excursion
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(goto-char (point-max))
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(let ((inhibit-read-only t)
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(str (if (= 0 count)
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mu4e~no-matches
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mu4e~end-of-results)))
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(insert (propertize str 'face 'mu4e-system-face 'intangible t))
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(unless (= 0 count)
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(mu4e-message "Found %d matching message%s"
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count (if (= 1 count) "" "s"))
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;; highlight the first message
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(mu4e~headers-highlight (mu4e~headers-docid-at-point (point-min)))))))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defmacro mu4e~headers-defun-mark-for (mark)
|
||
"Define a function mu4e~headers-mark-MARK."
|
||
(let ((funcname (intern (concat "mu4e-headers-mark-for-" (symbol-name mark))))
|
||
(docstring (concat "Mark header at point with " (symbol-name mark) ".")))
|
||
`(defun ,funcname () ,docstring
|
||
(interactive)
|
||
(mu4e-headers-mark-and-next (quote ,mark)))))
|
||
|
||
;; define our mark functions; there must be some way to do this in a loop but
|
||
;; since `mu4e~headers-defun-mark-func' is a macro, the argument must be a
|
||
;; literal value.
|
||
(mu4e~headers-defun-mark-for refile)
|
||
(mu4e~headers-defun-mark-for something)
|
||
(mu4e~headers-defun-mark-for delete)
|
||
(mu4e~headers-defun-mark-for flag)
|
||
(mu4e~headers-defun-mark-for move)
|
||
(mu4e~headers-defun-mark-for read)
|
||
(mu4e~headers-defun-mark-for trash)
|
||
(mu4e~headers-defun-mark-for unflag)
|
||
(mu4e~headers-defun-mark-for unmark)
|
||
(mu4e~headers-defun-mark-for unread)
|
||
|
||
|
||
;;; headers-mode and mode-map ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(defvar mu4e-headers-mode-map nil
|
||
"Keymap for *mu4e-headers* buffers.")
|
||
(unless mu4e-headers-mode-map
|
||
(setq mu4e-headers-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
|
||
(define-key map "s" 'mu4e-headers-search)
|
||
(define-key map "S" 'mu4e-headers-search-edit)
|
||
|
||
(define-key map "/" 'mu4e-headers-search-narrow)
|
||
|
||
(define-key map "j" 'mu4e~headers-jump-to-maildir)
|
||
|
||
(define-key map (kbd "<M-left>") 'mu4e-headers-query-prev)
|
||
(define-key map (kbd "\\") 'mu4e-headers-query-prev)
|
||
(define-key map (kbd "<M-right>") 'mu4e-headers-query-next)
|
||
|
||
(define-key map "b" 'mu4e-headers-search-bookmark)
|
||
(define-key map "B" 'mu4e-headers-search-bookmark-edit)
|
||
|
||
(define-key map "O" 'mu4e-headers-change-sorting)
|
||
(define-key map "P" 'mu4e-headers-toggle-threading)
|
||
(define-key map "Q" 'mu4e-headers-toggle-full-search)
|
||
|
||
(define-key map "q" 'mu4e~headers-quit-buffer)
|
||
(define-key map "z" 'mu4e~headers-quit-buffer)
|
||
|
||
(define-key map "r" 'mu4e-headers-rerun-search)
|
||
(define-key map "g" 'mu4e-headers-rerun-search) ;; for compatibility
|
||
|
||
(define-key map "%" 'mu4e-headers-mark-pattern)
|
||
(define-key map "t" 'mu4e-headers-mark-subthread)
|
||
(define-key map "T" 'mu4e-headers-mark-thread)
|
||
|
||
|
||
;; navigation between messages
|
||
(define-key map "p" 'mu4e-headers-prev)
|
||
(define-key map "n" 'mu4e-headers-next)
|
||
(define-key map (kbd "<M-up>") 'mu4e-headers-prev)
|
||
(define-key map (kbd "<M-down>") 'mu4e-headers-next)
|
||
|
||
;; change the number of headers
|
||
(define-key map (kbd "C-+") 'mu4e-headers-split-view-resize)
|
||
(define-key map (kbd "C--")
|
||
(lambda () (interactive) (mu4e-headers-split-view-resize -1)))
|
||
(define-key map (kbd "<C-kp-add>") 'mu4e-headers-split-view-resize)
|
||
(define-key map (kbd "<C-kp-subtract>")
|
||
(lambda () (interactive) (mu4e-headers-split-view-resize -1)))
|
||
|
||
|
||
;; switching to view mode (if it's visible)
|
||
(define-key map "y" 'mu4e-select-other-view)
|
||
|
||
;; marking/unmarking ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(define-key map (kbd "<backspace>") 'mu4e-headers-mark-for-trash)
|
||
(define-key map (kbd "d") 'mu4e-headers-mark-for-trash)
|
||
(define-key map (kbd "<delete>") 'mu4e-headers-mark-for-delete)
|
||
(define-key map (kbd "<deletechar>") 'mu4e-headers-mark-for-delete)
|
||
(define-key map (kbd "D") 'mu4e-headers-mark-for-delete)
|
||
(define-key map (kbd "m") 'mu4e-headers-mark-for-move)
|
||
(define-key map (kbd "r") 'mu4e-headers-mark-for-refile)
|
||
|
||
(define-key map (kbd "?") 'mu4e-headers-mark-for-unread)
|
||
(define-key map (kbd "!") 'mu4e-headers-mark-for-read)
|
||
|
||
(define-key map (kbd "u") 'mu4e-headers-mark-for-unmark)
|
||
(define-key map (kbd "+") 'mu4e-headers-mark-for-flag)
|
||
(define-key map (kbd "-") 'mu4e-headers-mark-for-unflag)
|
||
(define-key map (kbd "&") 'mu4e-headers-mark-for-custom)
|
||
|
||
;; (define-key map (kbd "*") 'mu4e-headers-mark-for-something)
|
||
;; (define-key map (kbd "<kp-multiply>") 'mu4e-headers-mark-for-something)
|
||
|
||
(define-key map (kbd "<insertchar>") 'mu4e-headers-mark-for-something)
|
||
(define-key map (kbd "<insert>") 'mu4e-headers-mark-for-something)
|
||
|
||
|
||
(define-key map (kbd "#") 'mu4e-mark-resolve-deferred-marks)
|
||
|
||
(define-key map "U" 'mu4e-mark-unmark-all)
|
||
(define-key map "x" 'mu4e-mark-execute-all)
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(define-key map "A" 'mu4e-headers-action)
|
||
|
||
;; message composition
|
||
(define-key map "R" 'mu4e-compose-reply)
|
||
(define-key map "F" 'mu4e-compose-forward)
|
||
(define-key map "C" 'mu4e-compose-new)
|
||
(define-key map "E" 'mu4e-compose-edit)
|
||
|
||
(define-key map (kbd "RET") 'mu4e-headers-view-message)
|
||
(define-key map [mouse-2] 'mu4e-headers-view-message)
|
||
|
||
(define-key map "$" 'mu4e-show-log)
|
||
(define-key map "H" 'mu4e-display-manual)
|
||
|
||
;; menu
|
||
(define-key map [menu-bar] (make-sparse-keymap))
|
||
(let ((menumap (make-sparse-keymap "Headers")))
|
||
(define-key map [menu-bar headers] (cons "Headers" menumap))
|
||
|
||
(define-key menumap [mu4e~headers-quit-buffer]
|
||
'("Quit view" . mu4e~headers-quit-buffer))
|
||
(define-key menumap [display-help] '("Help" . mu4e-display-manual))
|
||
|
||
(define-key menumap [sepa0] '("--"))
|
||
|
||
(define-key menumap [execute-marks] '("Execute marks"
|
||
. mu4e-mark-execute-all))
|
||
(define-key menumap [unmark-all] '("Unmark all" . mu4e-mark-unmark-all))
|
||
(define-key menumap [unmark] '("Unmark" . mu4e~headers-mark-unmark))
|
||
|
||
(define-key menumap [mark-pattern] '("Mark pattern" .
|
||
mu4e-headers-mark-pattern))
|
||
(define-key menumap [mark-as-read] '("Mark as read" .
|
||
mu4e~headers-mark-read))
|
||
(define-key menumap [mark-as-unread]
|
||
'("Mark as unread" . mu4e~headers-mark-unread))
|
||
|
||
(define-key menumap [mark-delete]
|
||
'("Mark for deletion" . mu4e~headers-mark-delete))
|
||
(define-key menumap [mark-trash]
|
||
'("Mark for trash" . mu4e~headers-mark-trash))
|
||
(define-key menumap [mark-move]
|
||
'("Mark for move" . mu4e~headers-mark-move))
|
||
(define-key menumap [sepa1] '("--"))
|
||
|
||
(define-key menumap [compose-new] '("Compose new" . mu4e-compose-new))
|
||
(define-key menumap [forward] '("Forward" . mu4e-compose-forward))
|
||
(define-key menumap [reply] '("Reply" . mu4e-compose-reply))
|
||
(define-key menumap [sepa2] '("--"))
|
||
|
||
(define-key menumap [query-next] '("Next query" . mu4e-headers-query-next))
|
||
(define-key menumap [query-prev] '("Previous query" .
|
||
mu4e-headers-query-prev))
|
||
(define-key menumap [narrow-search] '("Narrow search" .
|
||
mu4e-headers-search-narrow))
|
||
(define-key menumap [bookmark] '("Search bookmark" .
|
||
mu4e-headers-search-bookmark))
|
||
(define-key menumap [jump] '("Jump to maildir" .
|
||
mu4e~headers-jump-to-maildir))
|
||
(define-key menumap [refresh] '("Refresh" . mu4e-headers-rerun-search))
|
||
(define-key menumap [search] '("Search" . mu4e-headers-search))
|
||
|
||
|
||
(define-key menumap [sepa3] '("--"))
|
||
|
||
(define-key menumap [view] '("View" . mu4e-headers-view-message))
|
||
(define-key menumap [next] '("Next" . mu4e-headers-next))
|
||
(define-key menumap [previous] '("Previous" . mu4e-headers-prev))
|
||
(define-key menumap [sepa4] '("--")))
|
||
map)))
|
||
|
||
(fset 'mu4e-headers-mode-map mu4e-headers-mode-map)
|
||
|
||
(defun mu4e~header-line-format ()
|
||
"Get the format for the header line."
|
||
(cons
|
||
(make-string
|
||
(+ mu4e~mark-fringe-len (floor (fringe-columns 'left t))) ?\s)
|
||
(mapcar
|
||
(lambda (item)
|
||
(let* ((field (car item)) (width (cdr item))
|
||
(info (cdr (assoc field mu4e-header-info)))
|
||
(sortable (plist-get info :sortable))
|
||
(help (plist-get info :help))
|
||
(uparrow (if mu4e-use-fancy-chars " ▲" " ^"))
|
||
(downarrow (if mu4e-use-fancy-chars " ▼" " V"))
|
||
;; triangle to mark the sorted-by column
|
||
(arrow
|
||
(when (and sortable (eq (car item) mu4e-headers-sortfield))
|
||
(if mu4e-headers-sort-revert downarrow uparrow)))
|
||
(name (concat (plist-get info :shortname) arrow))
|
||
(map (make-sparse-keymap)))
|
||
(when sortable
|
||
(define-key map [header-line mouse-1]
|
||
(lambda (&optional e)
|
||
;; getting the field, inspired by `tabulated-list-col-sort'
|
||
(interactive "e")
|
||
(let* ((obj (posn-object (event-start e)))
|
||
(field
|
||
(and obj (get-text-property 0 'field (car obj)))))
|
||
(if (eq field mu4e-headers-sortfield)
|
||
(setq mu4e-headers-sort-revert (not mu4e-headers-sort-revert))
|
||
(setq mu4e-headers-sortfield field)))
|
||
(mu4e-headers-rerun-search))))
|
||
(concat
|
||
(propertize
|
||
(if width
|
||
(truncate-string-to-width name width 0 ?\s t)
|
||
name)
|
||
'face (if arrow 'bold 'fixed-pitch)
|
||
'help-echo help
|
||
'mouse-face (when sortable 'highlight)
|
||
'keymap (when sortable map)
|
||
'field field) " ")))
|
||
mu4e-headers-fields)))
|
||
|
||
|
||
(defvar mu4e-headers-mode-abbrev-table nil)
|
||
(define-derived-mode mu4e-headers-mode special-mode
|
||
"mu4e:headers"
|
||
"Major mode for displaying mu4e search results.
|
||
\\{mu4e-headers-mode-map}."
|
||
(use-local-map mu4e-headers-mode-map)
|
||
|
||
(make-local-variable 'mu4e~headers-proc)
|
||
(make-local-variable 'mu4e~highlighted-docid)
|
||
(make-local-variable 'global-mode-string)
|
||
(set (make-local-variable 'hl-line-face) 'mu4e-header-highlight-face)
|
||
|
||
;; maybe update the current headers upon indexing changes
|
||
(add-hook 'mu4e-index-updated-hook
|
||
(defun mu4e~headers-auto-update ()
|
||
"Update the current headers buffer after indexing has brought
|
||
some changes, `mu4e-headers-auto-update' is non-nil and there is no
|
||
user-interaction ongoing."
|
||
(when (and mu4e-headers-auto-update (not (active-minibuffer-window)))
|
||
(with-current-buffer mu4e~headers-buffer
|
||
(mu4e-headers-rerun-search)))) nil t)
|
||
|
||
(setq
|
||
truncate-lines t
|
||
buffer-undo-list t ;; don't record undo information
|
||
overwrite-mode 'overwrite-mode-binary
|
||
header-line-format (mu4e~header-line-format))
|
||
|
||
(mu4e~mark-initialize) ;; initialize the marking subsystem
|
||
(hl-line-mode 1))
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;;; higlighting
|
||
(defvar mu4e~highlighted-docid nil
|
||
"The highlighted docid")
|
||
|
||
(defun mu4e~headers-highlight (docid)
|
||
"Highlight the header with DOCID, or do nothing if it's not
|
||
found. Also, unhighlight any previously highlighted headers."
|
||
(with-current-buffer mu4e~headers-buffer
|
||
(save-excursion
|
||
;; first, unhighlight the previously highlighted docid, if any
|
||
(when (and mu4e~highlighted-docid
|
||
(mu4e~headers-goto-docid mu4e~highlighted-docid))
|
||
(hl-line-unhighlight))
|
||
;; now, highlight the new one
|
||
(when (mu4e~headers-goto-docid docid)
|
||
(hl-line-highlight)))
|
||
(setq mu4e~highlighted-docid docid)))
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(defun mu4e~headers-select-window ()
|
||
"When there is a visible window for the headers buffer, make sure
|
||
to select it. This is needed when adding new headers, otherwise
|
||
adding a lot of new headers looks really choppy."
|
||
(let ((win (get-buffer-window mu4e~headers-buffer)))
|
||
(when win (select-window win))))
|
||
|
||
;;;; headers in the buffer are prefixed by an invisible string with the docid
|
||
;;;; followed by an EOT ('end-of-transmission', \004, ^D) non-printable ascii
|
||
;;;; character. this string also has a text-property with the docid. the former
|
||
;;;; is used for quickly finding a certain header, the latter for retrieving the
|
||
;;;; docid at point without string matching etc.
|
||
|
||
(defsubst mu4e~headers-docid-cookie (docid)
|
||
"Create an invisible string containing DOCID; this is to be used
|
||
at the beginning of lines to identify headers."
|
||
(propertize (format "%s%d%s"
|
||
mu4e~headers-docid-pre docid mu4e~headers-docid-post)
|
||
'docid docid 'invisible t));;
|
||
|
||
(defsubst mu4e~headers-docid-at-point (&optional point)
|
||
"Get the docid for the header at POINT, or at current (point) if
|
||
nil. Returns the docid, or nil if there is none."
|
||
(save-excursion
|
||
(when point
|
||
(goto-char point))
|
||
(get-text-property (line-beginning-position) 'docid)))
|
||
|
||
(defun mu4e~headers-goto-docid (docid &optional to-mark)
|
||
"Go to the beginning of the line with the header with docid
|
||
DOCID, or nil if it cannot be found. If the optional TO-MARK is
|
||
non-nil, go to the point directly *after* the docid-cookie instead
|
||
of the beginning of the line."
|
||
(let ((oldpoint (point)) (newpoint))
|
||
(goto-char (point-min))
|
||
(setq newpoint
|
||
(search-forward (mu4e~headers-docid-cookie docid) nil t))
|
||
(unless to-mark
|
||
(if (null newpoint)
|
||
(goto-char oldpoint) ;; not found; restore old pos
|
||
(progn
|
||
(beginning-of-line) ;; found, move to beginning of line
|
||
(setq newpoint (point)))))
|
||
newpoint)) ;; return the point, or nil if not found
|
||
|
||
(defsubst mu4e~headers-docid-pos (docid)
|
||
"Return the pos of the beginning of the line with the header with
|
||
docid DOCID, or nil if it cannot be found."
|
||
(let ((pos))
|
||
(save-excursion
|
||
(setq pos (mu4e~headers-goto-docid docid)))
|
||
pos))
|
||
|
||
(defsubst mu4e~headers-field-for-docid (docid field)
|
||
"Get FIELD (a symbol, see `mu4e-headers-names') for the message
|
||
with DOCID which must be present in the headers buffer."
|
||
(save-excursion
|
||
(when (mu4e~headers-goto-docid docid)
|
||
(mu4e-message-field (mu4e-message-at-point) field))))
|
||
|
||
;;;; markers mark headers for
|
||
(defun mu4e~headers-mark (docid mark)
|
||
"(Visually) mark the header for DOCID with character MARK."
|
||
(with-current-buffer mu4e~headers-buffer
|
||
(let ((inhibit-read-only t) (oldpoint (point)))
|
||
(unless (mu4e~headers-goto-docid docid)
|
||
(mu4e-error "Cannot find message with docid %S" docid))
|
||
;; now, we're at the beginning of the header, looking at
|
||
;; <docid>\004
|
||
;; (which is invisible). jump past that…
|
||
(unless (re-search-forward mu4e~headers-docid-post nil t)
|
||
(mu4e-error "Cannot find the `mu4e~headers-docid-post' separator"))
|
||
|
||
;; clear old marks, and add the new ones.
|
||
(let ((msg (get-text-property (point) 'msg)))
|
||
(delete-char mu4e~mark-fringe-len)
|
||
(insert (propertize
|
||
(format mu4e~mark-fringe-format mark)
|
||
'face 'mu4e-header-marks-face
|
||
'docid docid
|
||
'msg msg)))
|
||
(goto-char oldpoint))))
|
||
|
||
|
||
(defsubst mu4e~headers-add-header (str docid point &optional msg)
|
||
"Add header STR with DOCID to the buffer at POINT if non-nil, or
|
||
at (point-max) otherwise. If MSG is not nil, add it as the
|
||
text-property `msg'."
|
||
(when (buffer-live-p mu4e~headers-buffer)
|
||
(with-current-buffer mu4e~headers-buffer
|
||
(let ((inhibit-read-only t)
|
||
(is-first-header (= (point-min) (point-max))))
|
||
(save-excursion
|
||
(goto-char (if point point (point-max)))
|
||
(insert
|
||
(propertize
|
||
(concat
|
||
(mu4e~headers-docid-cookie docid)
|
||
mu4e~mark-fringe
|
||
str "\n")
|
||
'docid docid 'msg msg)))))))
|
||
|
||
(defun mu4e~headers-remove-header (docid &optional ignore-missing)
|
||
"Remove header with DOCID at POINT; when IGNORE-MISSING is
|
||
non-nill, don't raise an error when the docid is not found."
|
||
(with-current-buffer mu4e~headers-buffer
|
||
(if (mu4e~headers-goto-docid docid)
|
||
(let ((inhibit-read-only t))
|
||
(delete-region (line-beginning-position) (line-beginning-position 2)))
|
||
(unless ignore-missing
|
||
(mu4e-error "Cannot find message with docid %S" docid)))))
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(defun mu4e~headers-search-execute (expr ignore-history)
|
||
"Search in the mu database for EXPR, and switch to the output
|
||
buffer for the results. If IGNORE-HISTORY is true, do *not* update
|
||
the query history stack."
|
||
;; note: we don't want to update the history if this query comes from
|
||
;; `mu4e~headers-query-next' or `mu4e~headers-query-prev'.
|
||
(mu4e-hide-other-mu4e-buffers)
|
||
(let ((buf (get-buffer-create mu4e~headers-buffer-name))
|
||
(inhibit-read-only t))
|
||
(with-current-buffer buf
|
||
(mu4e-headers-mode)
|
||
(unless ignore-history
|
||
;; save the old present query to the history list
|
||
(when mu4e~headers-last-query
|
||
(mu4e~headers-push-query mu4e~headers-last-query 'past)))
|
||
(setq
|
||
mu4e~headers-buffer buf
|
||
mode-name "mu4e-headers"
|
||
mu4e~headers-last-query expr
|
||
global-mode-string (propertize mu4e~headers-last-query
|
||
'face 'mu4e-title-face)))
|
||
(switch-to-buffer buf)
|
||
(mu4e~proc-find
|
||
(replace-regexp-in-string "\"" "\\\\\"" expr) ;; escape "\"
|
||
mu4e-headers-show-threads
|
||
mu4e-headers-sortfield
|
||
mu4e-headers-sort-revert
|
||
(unless mu4e-headers-full-search mu4e-search-results-limit))))
|
||
|
||
(defun mu4e~headers-redraw-get-view-window ()
|
||
"Close all windows, redraw the headers buffer based on the value
|
||
of `mu4e-split-view', and return a window for the message view."
|
||
(mu4e-hide-other-mu4e-buffers)
|
||
(unless (buffer-live-p mu4e~headers-buffer)
|
||
(mu4e-error "No headers buffer available"))
|
||
(switch-to-buffer mu4e~headers-buffer)
|
||
;; kill the existing view win
|
||
(when (buffer-live-p mu4e~view-buffer)
|
||
(kill-buffer mu4e~view-buffer))
|
||
;; get a new view window
|
||
(setq mu4e~headers-view-win
|
||
(cond
|
||
((eq mu4e-split-view 'horizontal) ;; split horizontally
|
||
(split-window-vertically mu4e-headers-visible-lines))
|
||
((eq mu4e-split-view 'vertical) ;; split vertically
|
||
(split-window-horizontally mu4e-headers-visible-columns))
|
||
(t ;; no splitting; just use the currently selected one
|
||
(selected-window))))
|
||
mu4e~headers-view-win)
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; search-based marking
|
||
|
||
(defun mu4e-headers-for-each (func)
|
||
"Call FUNC for each header, moving point to the header. FUNC
|
||
takes one argument msg, the msg s-expression for the corresponding
|
||
header."
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(while (search-forward mu4e~headers-docid-pre nil t)
|
||
;; not really sure why we need to jump to bol; we we need
|
||
;; to, otherwise we miss lines sometimes...
|
||
(let ((msg (get-text-property (line-beginning-position) 'msg)))
|
||
(when msg
|
||
(funcall func msg))))))
|
||
|
||
(defvar mu4e~headers-regexp-hist nil
|
||
"History list of regexps used.")
|
||
|
||
(defun mu4e~headers-mark-for-each-if (markpair mark-pred &optional param)
|
||
"Mark all headers for with predicate function MARK-PRED return
|
||
non-nil with MARKPAIR. MARK-PRED is function that takes two
|
||
arguments, MSG (the message at point) and PARAM (a user-specified
|
||
parameter). MARKPAIR is a cell (MARK . TARGET)."
|
||
(mu4e-headers-for-each
|
||
(lambda (msg)
|
||
(when (funcall mark-pred msg param)
|
||
(mu4e-mark-at-point (car markpair) (cdr markpair))))))
|
||
|
||
(defun mu4e-headers-mark-pattern ()
|
||
"Ask user for a kind of mark (move, delete etc.), a field to
|
||
match and a regular expression to match with. Then, mark all
|
||
matching messages with that mark."
|
||
(interactive)
|
||
(let ((markpair (mu4e~mark-get-markpair "Mark matched messages with: " t))
|
||
(field (mu4e-read-option "Field to match: "
|
||
'( ("subject" . :subject)
|
||
("from" . :from)
|
||
("to" . :to))))
|
||
(pattern (read-string
|
||
(mu4e-format "Regexp:")
|
||
nil 'mu4e~headers-regexp-hist)))
|
||
(mu4e~headers-mark-for-each-if
|
||
markpair
|
||
(lambda (msg param)
|
||
(let* ((do-mark) (value (mu4e-msg-field msg field)))
|
||
(setq do-mark
|
||
(if (member field '(:to :from :cc :bcc :reply-to))
|
||
(find-if (lambda (contact)
|
||
(let ((name (car contact)) (email (cdr contact)))
|
||
(or (and name (string-match pattern name))
|
||
(and email (string-match pattern email))))) value)
|
||
(string-match pattern (or value "")))))))))
|
||
|
||
(defun mu4e-headers-mark-custom ()
|
||
"Mark messages based on a user-provided predicate function."
|
||
(interactive)
|
||
(let* ((pred (mu4e-read-option "Match function: "
|
||
mu4e-headers-custom-markers))
|
||
(param (when (cdr pred) (eval (cdr pred))))
|
||
(markpair (mu4e~mark-get-markpair "Mark matched messages with: " t)))
|
||
(mu4e~headers-mark-for-each-if markpair (car pred) param)))
|
||
|
||
(defun mu4e~headers-get-thread-info (msg what)
|
||
"Get WHAT (a symbol, either path or thread-id) for MSG."
|
||
(let* ((thread (or (mu4e-message-field msg :thread)
|
||
(mu4e-error "No thread info found")))
|
||
(path (or (plist-get thread :path)
|
||
(mu4e-error "No threadpath found"))))
|
||
(case what
|
||
(path path)
|
||
(thread-id
|
||
(save-match-data
|
||
;; the thread id is the first segment of the thread path
|
||
(when (string-match "^\\([[:xdigit:]]+\\):?" path)
|
||
(match-string 1 path))))
|
||
(otherwise (mu4e-error "Not supported")))))
|
||
|
||
|
||
(defun mu4e-headers-mark-thread (&optional subthread)
|
||
"Mark the thread at point, if SUBTHREAD is non-nil, marking is
|
||
limited to the message at point and its descendants."
|
||
;; the tread id is shared by all messages in a thread
|
||
(interactive "P")
|
||
(let* ((msg (mu4e-message-at-point))
|
||
(thread-id (mu4e~headers-get-thread-info msg 'thread-id))
|
||
(path (mu4e~headers-get-thread-info msg 'path))
|
||
(markpair
|
||
(mu4e~mark-get-markpair
|
||
(if subthread "Mark subthread with: " "Mark whole thread with: ")
|
||
t))
|
||
(last-marked-point))
|
||
(mu4e-headers-for-each
|
||
(lambda (mymsg)
|
||
(let ((my-thread-id (mu4e~headers-get-thread-info mymsg 'thread-id)))
|
||
(if subthread
|
||
;; subthread matching; mymsg's thread path should have path as its
|
||
;; prefix
|
||
(when (string-match (concat "^" path)
|
||
(mu4e~headers-get-thread-info mymsg 'path))
|
||
(mu4e-mark-at-point (car markpair) (cdr markpair))
|
||
(setq last-marked-point (point)))
|
||
;; nope; not looking for the subthread; looking for the whole thread
|
||
(when (string= thread-id
|
||
(mu4e~headers-get-thread-info mymsg 'thread-id))
|
||
(mu4e-mark-at-point (car markpair) (cdr markpair))
|
||
(setq last-marked-point (point)))))))
|
||
(when last-marked-point
|
||
(goto-char last-marked-point)
|
||
(mu4e-headers-next))))
|
||
|
||
(defun mu4e-headers-mark-subthread ()
|
||
"Like `mu4e-mark-thread', but only for a sub-thread."
|
||
(interactive)
|
||
(mu4e-headers-mark-thread t))
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
|
||
;;; the query past / present / future ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(defvar mu4e~headers-query-past nil
|
||
"Stack of queries before the present one.")
|
||
(defvar mu4e~headers-query-future nil
|
||
"Stack of queries after the present one.")
|
||
(defvar mu4e~headers-query-stack-size 20
|
||
"Maximum size for the query stacks.")
|
||
|
||
(defun mu4e~headers-push-query (query where)
|
||
"Push QUERY to one of the query stacks; WHERE is a symbol telling
|
||
us where to push; it's a symbol, either 'future or
|
||
'past. Functional also removes duplicats, limits the stack size."
|
||
(let ((stack
|
||
(case where
|
||
(past mu4e~headers-query-past)
|
||
(future mu4e~headers-query-future))))
|
||
;; only add if not the same item
|
||
(unless (and stack (string= (car stack) query))
|
||
(push query stack)
|
||
;; limit the stack to `mu4e~headers-query-stack-size' elements
|
||
(when (> (length stack) mu4e~headers-query-stack-size)
|
||
(setq stack (subseq stack 0 mu4e~headers-query-stack-size)))
|
||
;; remove all duplicates of the new element
|
||
(remove-if (lambda (elm) (string= elm (car stack))) (cdr stack))
|
||
;; update the stacks
|
||
(case where
|
||
(past (setq mu4e~headers-query-past stack))
|
||
(future (setq mu4e~headers-query-future stack))))))
|
||
|
||
(defun mu4e~headers-pop-query (whence)
|
||
"Pop a query from the stack. WHENCE is a symbol telling us where
|
||
to get it from; it's a symbol, either 'future or 'past."
|
||
(case whence
|
||
(past
|
||
(unless mu4e~headers-query-past
|
||
(mu4e-warn "No more previous queries"))
|
||
(pop mu4e~headers-query-past))
|
||
(future
|
||
(unless mu4e~headers-query-future
|
||
(mu4e-warn "No more next queries"))
|
||
(pop mu4e~headers-query-future))))
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
|
||
;;; interactive functions ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(defvar mu4e~headers-search-hist nil
|
||
"History list of searches.")
|
||
|
||
(defun mu4e-headers-search (&optional expr prompt edit ignore-history)
|
||
"Search in the mu database for EXPR, and switch to the output
|
||
buffer for the results. This is an interactive function which ask
|
||
user for EXPR. PROMPT, if non-nil, is the prompt used by this
|
||
function (default is \"Search for:\"). If EDIT is non-nil, instead
|
||
of executing the query for EXPR, let the user edit the query before
|
||
executing it. If IGNORE-HISTORY is true, do *not* update the query
|
||
history stack."
|
||
;; note: we don't want to update the history if this query comes from
|
||
;; `mu4e~headers-query-next' or `mu4e~headers-query-prev'."
|
||
(interactive)
|
||
(let* ((prompt (mu4e-format (or prompt "Search for: ")))
|
||
(expr
|
||
(if edit
|
||
(read-string prompt expr)
|
||
(or expr
|
||
(read-string prompt nil 'mu4e~headers-search-hist)))))
|
||
(mu4e-mark-handle-when-leaving)
|
||
(mu4e~headers-search-execute expr
|
||
ignore-history)))
|
||
|
||
(defun mu4e-headers-search-edit ()
|
||
"Edit the last search expression."
|
||
(interactive)
|
||
(mu4e-headers-search mu4e~headers-last-query nil t))
|
||
|
||
(defun mu4e-headers-search-bookmark (&optional expr edit)
|
||
"Search using some bookmarked query EXPR.
|
||
If EDIT is non-nil, let the user edit the bookmark before starting
|
||
the search."
|
||
(interactive)
|
||
(let ((expr
|
||
(or expr
|
||
(mu4e-ask-bookmark (if edit "Select bookmark: " "Bookmark: ")))))
|
||
(mu4e-headers-search expr (when edit "Edit bookmark: ") edit)))
|
||
|
||
(defun mu4e-headers-search-bookmark-edit ()
|
||
"Edit an existing bookmark before executing it."
|
||
(interactive)
|
||
(mu4e-headers-search-bookmark nil t))
|
||
|
||
|
||
(defun mu4e-headers-search-narrow (filter )
|
||
"Narrow the last search by appending search expression FILTER to
|
||
the last search expression."
|
||
(interactive
|
||
(let ((filter
|
||
(read-string (mu4e-format "Narrow down to: ")
|
||
nil 'mu4e~headers-search-hist nil t)))
|
||
(list filter)))
|
||
(unless mu4e~headers-last-query
|
||
(mu4e-warn "There's nothing to filter"))
|
||
(mu4e-headers-search
|
||
(format "(%s) AND %s" mu4e~headers-last-query filter)))
|
||
|
||
|
||
(defun mu4e-headers-change-sorting (&optional dont-refresh)
|
||
"Interactively change the sorting/threading parameters. With prefix-argument,
|
||
do _not_ refresh the last search with the new parameters."
|
||
(interactive "P")
|
||
(let* ((sortfield
|
||
(mu4e-read-option "Sortfield: " mu4e~headers-sortfield-choices))
|
||
(revert
|
||
(mu4e-read-option "Direction: "
|
||
'(("ascending" . nil) ("descending" . t)))))
|
||
(setq
|
||
mu4e-headers-sortfield sortfield
|
||
mu4e-headers-sort-revert revert) ;; "descending" means "revert"
|
||
(mu4e-message "Sorting by %s (%s)%s"
|
||
(symbol-name sortfield)
|
||
(if revert "descending" "ascending")
|
||
(if dont-refresh
|
||
" (press 'g' to refresh)" ""))
|
||
(unless dont-refresh
|
||
(mu4e-headers-rerun-search))))
|
||
|
||
(defun mu4e-headers-toggle-threading (&optional dont-refresh)
|
||
"Toggle threading on/off for the search results. With prefix-argument,
|
||
do _not_ refresh the last search with the new setting for
|
||
threading."
|
||
(interactive "P")
|
||
(setq mu4e-headers-show-threads (not mu4e-headers-show-threads))
|
||
(mu4e-message "Threading turned %s%s"
|
||
(if mu4e-headers-show-threads "on" "off")
|
||
(if dont-refresh
|
||
" (press 'g' to refresh)" ""))
|
||
(unless dont-refresh
|
||
(mu4e-headers-rerun-search)))
|
||
|
||
(defun mu4e-headers-toggle-full-search (&optional dont-refresh)
|
||
"Toggle full-search on/off for the search results. With prefix-argument,
|
||
do _not_ refresh the last search with the new setting for
|
||
threading."
|
||
(interactive "P")
|
||
(setq mu4e-headers-full-search (not mu4e-headers-full-search))
|
||
(mu4e-message "Full search turned %s%s"
|
||
(if mu4e-headers-full-search "on" "off")
|
||
(if dont-refresh
|
||
" (press 'g' to refresh)" ""))
|
||
(unless dont-refresh
|
||
(mu4e-headers-rerun-search)))
|
||
|
||
(defvar mu4e~headers-loading-buf nil
|
||
"A buffer for loading a message view.")
|
||
|
||
(defun mu4e~headers-get-loading-buf ()
|
||
"Get a buffer to give feedback while loading a message view."
|
||
(unless (buffer-live-p mu4e~headers-loading-buf)
|
||
(setq mu4e~headers-loading-buf
|
||
(get-buffer-create " *mu4e-loading*"))
|
||
(with-current-buffer mu4e~headers-loading-buf
|
||
(let ((inhibit-read-only t))
|
||
(erase-buffer)
|
||
(insert (propertize "Waiting for message..."
|
||
'face 'mu4e-system-face 'intangible t)))
|
||
(setq buffer-read-only t)))
|
||
mu4e~headers-loading-buf)
|
||
|
||
(defun mu4e-headers-view-message ()
|
||
"View message at point. If there's an existing window for the
|
||
view, re-use that one. If not, create a new one, depending on the
|
||
value of `mu4e-split-view': if it's a symbol `horizontal' or
|
||
`vertical', split the window accordingly; if it is nil, replace the
|
||
current window. "
|
||
(interactive)
|
||
(unless (eq major-mode 'mu4e-headers-mode)
|
||
(mu4e-error "Must be in mu4e-headers-mode (%S)" major-mode))
|
||
(let* ((msg (mu4e-message-at-point))
|
||
(docid (or (mu4e-message-field msg :docid)
|
||
(mu4e-warn "No message at point")))
|
||
;; decrypt (or not), based on `mu4e-decryption-policy'.
|
||
(decrypt
|
||
(and (member 'encrypted (mu4e-message-field msg :flags))
|
||
(if (eq mu4e-decryption-policy 'ask)
|
||
(yes-or-no-p (mu4e-format "Decrypt message?"))
|
||
mu4e-decryption-policy)))
|
||
(viewwin (mu4e~headers-redraw-get-view-window)))
|
||
(unless (window-live-p viewwin)
|
||
(mu4e-error "Cannot get a message view"))
|
||
(select-window viewwin)
|
||
(switch-to-buffer (mu4e~headers-get-loading-buf))
|
||
(mu4e~proc-view docid mu4e-show-images decrypt)))
|
||
|
||
(defun mu4e-headers-rerun-search ()
|
||
"Rerun the search for the last search expression."
|
||
(interactive)
|
||
(mu4e-headers-search mu4e~headers-last-query))
|
||
|
||
(defun mu4e~headers-query-navigate (whence)
|
||
"Execute the previous query from the query stacks. WHENCE
|
||
determines where the query is taken from and is a symbol, either
|
||
`future' or `past'."
|
||
(let ((query (mu4e~headers-pop-query whence))
|
||
(where (if (eq whence 'future) 'past 'future)))
|
||
(when query
|
||
(mu4e~headers-push-query mu4e~headers-last-query where)
|
||
(mu4e-headers-search query nil nil t))))
|
||
|
||
(defun mu4e-headers-query-next ()
|
||
"Execute the previous query from the query stacks."
|
||
(interactive)
|
||
(mu4e~headers-query-navigate 'future))
|
||
|
||
(defun mu4e-headers-query-prev ()
|
||
"Execute the previous query from the query stacks."
|
||
(interactive)
|
||
(mu4e~headers-query-navigate 'past))
|
||
|
||
;; forget the past so we don't repeat it :/
|
||
(defun mu4e-headers-forget-queries ()
|
||
"Forget all the complete query history."
|
||
(interactive)
|
||
(setq
|
||
;; note: don't forget the present one
|
||
mu4e~headers-query-past nil
|
||
mu4e~headers-query-future nil)
|
||
(mu4e-message "Query history cleared"))
|
||
|
||
(defun mu4e~headers-move (lines)
|
||
"Move point LINES lines forward (if LINES is positive) or
|
||
backward (if LINES is negative). If this succeeds, return the new
|
||
docid. Otherwise, return nil."
|
||
(unless (eq major-mode 'mu4e-headers-mode)
|
||
(mu4e-error "Must be in mu4e-headers-mode (%S)" major-mode))
|
||
(let ((succeeded (zerop (forward-line lines)))
|
||
(docid (mu4e~headers-docid-at-point)))
|
||
;; move point, even if this function is called when this window is not
|
||
;; visible
|
||
(when docid
|
||
;; update all windows showing the headers buffer
|
||
(walk-windows
|
||
(lambda (win)
|
||
(when (eq (window-buffer win) mu4e~headers-buffer)
|
||
(set-window-point win (point))))
|
||
nil t)
|
||
;;(set-window-point (get-buffer-window mu4e~headers-buffer t) (point))
|
||
;; attempt to highlight the new line, display the message
|
||
(mu4e~headers-highlight docid)
|
||
;; update message view if it was already showing
|
||
(when (window-live-p mu4e~headers-view-win)
|
||
(mu4e-headers-view-message))
|
||
docid)))
|
||
|
||
(defun mu4e-headers-next (&optional n)
|
||
"Move point to the next message header. If this succeeds, return
|
||
the new docid. Otherwise, return nil. Optionally, takes an integer
|
||
N (prefix argument), to the Nth next header."
|
||
(interactive "P")
|
||
(mu4e~headers-move (or n 1)))
|
||
|
||
(defun mu4e-headers-prev (&optional n)
|
||
"Move point to the previous message header. If this succeeds, return
|
||
the new docid. Otherwise, return nil. Optionally, takes an integer
|
||
N (prefix argument), to the Nth previous header."
|
||
(interactive "P")
|
||
(mu4e~headers-move (- (or n 1))))
|
||
|
||
(defun mu4e~headers-jump-to-maildir (maildir)
|
||
"Show the messages in maildir (user is prompted to ask what
|
||
maildir)."
|
||
(interactive
|
||
(let ((maildir (mu4e-ask-maildir "Jump to maildir: ")))
|
||
(list maildir)))
|
||
(when maildir
|
||
(mu4e-mark-handle-when-leaving)
|
||
(mu4e-headers-search (concat "\"maildir:" maildir "\""))))
|
||
|
||
(defun mu4e-headers-split-view-resize (n)
|
||
"In horizontal split-view, increase the number of lines shown by
|
||
N; in vertical split-view, increase the number of columns shown by
|
||
N. Otherwise, don't do anything."
|
||
(interactive "P")
|
||
(let ((n (or n 1))
|
||
(hwin (get-buffer-window mu4e~headers-buffer)))
|
||
(when (and (buffer-live-p mu4e~view-buffer) (window-live-p hwin))
|
||
(let ((n (or n 1)))
|
||
(case mu4e-split-view
|
||
;; emacs has weird ideas about what horizontal, vertical means...
|
||
(horizontal
|
||
(window-resize hwin n nil)
|
||
(incf mu4e-headers-visible-lines n))
|
||
(vertical
|
||
(window-resize hwin n t)
|
||
(incf mu4e-headers-visible-columns n)))))))
|
||
|
||
(defun mu4e-headers-action ()
|
||
"Ask user what to do with message-at-point, then do it. The
|
||
actions are specified in `mu4e-headers-actions'."
|
||
(interactive)
|
||
(let ((msg (mu4e-message-at-point))
|
||
(actionfunc (mu4e-read-option "Action: " mu4e-headers-actions)))
|
||
(funcall actionfunc msg)))
|
||
|
||
(defun mu4e-headers-mark-and-next (mark)
|
||
"Set mark MARK on the message at point or on all messages in the
|
||
region if there is a region, then move to the next message."
|
||
(interactive)
|
||
(mu4e-mark-set mark)
|
||
(mu4e-headers-next))
|
||
|
||
(defun mu4e~headers-quit-buffer ()
|
||
"Quit the mu4e-headers buffer. This is a rather complex function,
|
||
to ensure we don't disturb other windows."
|
||
(interactive)
|
||
(unless (eq major-mode 'mu4e-headers-mode)
|
||
(mu4e-error "Must be in mu4e-headers-mode (%S)" major-mode))
|
||
(mu4e-mark-handle-when-leaving)
|
||
(let ((curbuf (current-buffer)) (curwin (selected-window))
|
||
(headers-visible))
|
||
(walk-windows
|
||
(lambda (win)
|
||
(with-selected-window win
|
||
;; if we the view window connected to this one, kill it
|
||
(when (and (not (one-window-p win)) (eq mu4e~headers-view-win win))
|
||
(delete-window win)
|
||
(setq mu4e~headers-view-win nil)))
|
||
;; and kill any _other_ (non-selected) window that shows the current
|
||
;; buffer
|
||
(when (and
|
||
(eq curbuf (window-buffer win)) ;; does win show curbuf?
|
||
(not (eq curwin win)) ;; it's not the curwin?
|
||
(not (one-window-p))) ;; and not the last one?
|
||
(delete-window win)))) ;; delete it!
|
||
;; now, all *other* windows should be gone. kill ourselves, and return
|
||
;; to the main view
|
||
(kill-buffer)
|
||
(mu4e~main-view)))
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(provide 'mu4e-headers)
|