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22 id 1Zq2pl-0001Hr-FX; Sat, 24 Oct 2015 17:42:25 +0000
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25 From: David Bremner <david@tethera.net>
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26 To: Mark Walters <markwalters1009@gmail.com>, notmuch@notmuchmail.org
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27 Subject: [PATCH 3/3] Emacs: Add address completion based on company-mode
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28 Date: Sat, 24 Oct 2015 14:41:24 -0300
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29 Message-Id: <1445708484-32189-4-git-send-email-david@tethera.net>
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31 In-Reply-To: <1445708484-32189-1-git-send-email-david@tethera.net>
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32 References: <1445702019-10638-1-git-send-email-markwalters1009@gmail.com>
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33 <1445708484-32189-1-git-send-email-david@tethera.net>
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37 List-Id: "Use and development of the notmuch mail system."
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38 <notmuch.notmuchmail.org>
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48 From: Michal Sojka <sojkam1@fel.cvut.cz>
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50 With this patch, address completion candidates are shown automatically
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51 after short typing delay in a nice popup box. This requires company-mode
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52 to be installed and it works only on Emacs >= 24. The completion is
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53 based entirely on the asynchronous address harvesting from
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54 notmuch-address.el so the GUI is theoretically not blocked for long
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57 The completion works similarly as the TAB-initiated completion from
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58 notmuch-address.el, i.e. quick harvest based on user input is executed
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59 first and only after full harvesting is finished, in-memory cached data
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62 emacs/Makefile.local | 1 +
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63 emacs/notmuch-company.el | 73 ++++++++++++++++++++++++++++++++++++++++++++++++
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64 emacs/notmuch-mua.el | 13 ++++++++-
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65 3 files changed, 86 insertions(+), 1 deletion(-)
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66 create mode 100644 emacs/notmuch-company.el
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68 diff --git a/emacs/Makefile.local b/emacs/Makefile.local
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69 index 1109cfa..4c06c52 100644
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70 --- a/emacs/Makefile.local
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71 +++ b/emacs/Makefile.local
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72 @@ -20,6 +20,7 @@ emacs_sources := \
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73 $(dir)/notmuch-print.el \
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74 $(dir)/notmuch-version.el \
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75 $(dir)/notmuch-jump.el \
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76 + $(dir)/notmuch-company.el
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78 $(dir)/notmuch-version.el: $(dir)/Makefile.local version.stamp
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79 $(dir)/notmuch-version.el: $(srcdir)/$(dir)/notmuch-version.el.tmpl
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80 diff --git a/emacs/notmuch-company.el b/emacs/notmuch-company.el
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81 new file mode 100644
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82 index 0000000..03c492f
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84 +++ b/emacs/notmuch-company.el
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86 +;; notmuch-company.el --- Mail address completion for notmuch via company-mode -*- lexical-binding: t -*-
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89 +;; Authors: Trevor Jim <tjim@mac.com>
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90 +;; Michal Sojka <sojkam1@fel.cvut.cz>
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92 +;; Keywords: mail, completion
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94 +;; This program is free software; you can redistribute it and/or modify
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95 +;; it under the terms of the GNU General Public License as published by
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96 +;; the Free Software Foundation, either version 3 of the License, or
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97 +;; (at your option) any later version.
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99 +;; This program is distributed in the hope that it will be useful,
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100 +;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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101 +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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102 +;; GNU General Public License for more details.
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104 +;; You should have received a copy of the GNU General Public License
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105 +;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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109 +;; To enable this, install company mode (https://company-mode.github.io/)
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110 +;; and customize notmuch-message-use-company
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112 +;; NB company-minimum-prefix-length defaults to 3 so you don't get
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113 +;; completion unless you type 3 characters
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117 +(require 'notmuch-address)
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120 +(defvar-local notmuch-company-last-prefix nil)
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121 +(declare-function company-begin-backend "company")
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122 +(declare-function company-grab "company")
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125 +(defun notmuch-company (command &optional arg &rest _ignore)
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126 + "`company-mode' completion back-end for `notmuch'."
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127 + (interactive (list 'interactive))
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128 + (require 'company)
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129 + (let ((case-fold-search t)
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130 + (completion-ignore-case t))
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132 + (interactive (company-begin-backend 'notmuch-company))
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133 + (prefix (and (derived-mode-p 'message-mode)
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134 + (looking-back "^\\(To\\|Cc\\|Bcc\\):.*"
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135 + (line-beginning-position))
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136 + (setq notmuch-company-last-prefix (company-grab "[:,][ \t]*\\(.*\\)" 1 (point-at-bol)))))
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137 + (candidates (cond
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138 + (notmuch-address-full-harvest-finished
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139 + ;; Update harvested addressed from time to time
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140 + (notmuch-address-harvest-trigger)
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141 + (notmuch-address-matching arg))
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144 + (lambda (callback)
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145 + ;; First run quick asynchronous harvest based on what the user entered so far
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146 + (notmuch-address-harvest
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147 + (format "to:%s*" arg) nil
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148 + (lambda (_proc _event)
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149 + (funcall callback (notmuch-address-matching arg))
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150 + ;; Then (re)start potentially long-running full asynchronous harvesting
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151 + (notmuch-address-harvest-trigger))))))))
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152 + (match (if (string-match notmuch-company-last-prefix arg)
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158 +(provide 'notmuch-company)
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159 diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
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160 index 6cc9656..c90381d 100644
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161 --- a/emacs/notmuch-mua.el
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162 +++ b/emacs/notmuch-mua.el
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165 (require 'notmuch-lib)
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166 (require 'notmuch-address)
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167 +(require 'notmuch-company)
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169 (eval-when-compile (require 'cl))
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171 @@ -268,12 +269,22 @@ Note that these functions use `mail-citation-hook' if that is non-nil."
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172 (message-goto-body)
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173 (set-buffer-modified-p nil))
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175 +(defcustom notmuch-message-use-company t
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176 + "If available, use company mode for completion in notmuch-message-mode"
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178 + :group 'notmuch-send)
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180 (define-derived-mode notmuch-message-mode message-mode "Message[Notmuch]"
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181 "Notmuch message composition mode. Mostly like `message-mode'"
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182 (when notmuch-address-command
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183 (unless (memq notmuch-address-message-alist-member message-completion-alist)
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184 (setq message-completion-alist
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185 - (push notmuch-address-message-alist-member message-completion-alist)))))
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186 + (push notmuch-address-message-alist-member message-completion-alist))))
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187 + (when (and notmuch-message-use-company
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188 + (require 'company nil t))
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190 + (make-local-variable 'company-backends)
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191 + (setq company-backends '(notmuch-company))))
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193 (define-key notmuch-message-mode-map (kbd "C-c C-c") #'notmuch-mua-send-and-exit)
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194 (define-key notmuch-message-mode-map (kbd "C-c C-s") #'notmuch-mua-send)
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