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33 From: David Edmondson <dme@dme.org>
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34 To: notmuch@notmuchmail.org
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35 Subject: [PATCH 2/2] emacs: Add more processing of displayed headers.
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36 Date: Thu, 26 Jan 2012 08:17:51 +0000
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37 Message-Id: <1327565871-19729-3-git-send-email-dme@dme.org>
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39 In-Reply-To: <1327565871-19729-1-git-send-email-dme@dme.org>
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40 References: <1327565871-19729-1-git-send-email-dme@dme.org>
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55 Wrap headers to the width of the window and indent continuations.
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57 emacs/notmuch-show.el | 43 ++++++++++++++++++++++++++++++++++++-------
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58 1 files changed, 36 insertions(+), 7 deletions(-)
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60 diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
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61 index effd2fd..ad286d1 100644
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62 --- a/emacs/notmuch-show.el
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63 +++ b/emacs/notmuch-show.el
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64 @@ -67,9 +67,16 @@ any given message."
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66 :group 'notmuch-show)
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68 -(defvar notmuch-show-markup-headers-hook '(notmuch-show-colour-headers)
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69 +(defcustom notmuch-show-markup-headers-hook '(notmuch-show-colour-headers
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70 + notmuch-show-fill-headers
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71 + notmuch-show-indent-continuations)
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72 "A list of functions called to decorate the headers listed in
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73 -`notmuch-message-headers'.")
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74 +`notmuch-message-headers'."
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76 + :options '(notmuch-show-colour-headers
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77 + notmuch-show-fill-headers
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78 + notmuch-show-indent-continuations)
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79 + :group 'notmuch-show)
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81 (defcustom notmuch-show-hook '(notmuch-show-turn-on-visual-line-mode)
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82 "Functions called after populating a `notmuch-show' buffer."
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83 @@ -268,13 +275,35 @@ operation on the contents of the current buffer."
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84 (overlay-put (make-overlay (point) (re-search-forward ".*$"))
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87 -(defun notmuch-show-colour-headers ()
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88 +(defun notmuch-show-colour-headers (depth)
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89 "Apply some colouring to the current headers."
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90 (goto-char (point-min))
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91 (while (looking-at "^[A-Za-z][-A-Za-z0-9]*:")
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92 (notmuch-show-fontify-header)
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95 +(defun notmuch-show-fill-headers (depth)
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96 + "Wrap the text of the current headers."
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98 + ;; '-5' to allow for the indentation code.
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99 + (let ((fill-column (- (window-width) depth 5)))
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100 + (goto-char (point-min))
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101 + (while (not (eobp))
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102 + (let ((start (point)))
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104 + ;; We're left at the start of the next line, so there's no need
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105 + ;; to move forward after filling.
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106 + (fill-region-as-paragraph start (point))))))
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108 +(defun notmuch-show-indent-continuations (depth)
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109 + "Indent any continuation lines."
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110 + (goto-char (point-min))
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111 + (while (not (eobp))
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112 + (if (not (looking-at "^[A-Za-z][-A-Za-z0-9]*:"))
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113 + ;; Four spaces tends to work well with 'To' and 'Cc' headers.
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117 (defun notmuch-show-spaces-n (n)
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118 "Return a string comprised of `n' spaces."
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119 (make-string n ? ))
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120 @@ -329,7 +358,7 @@ message at DEPTH in the current thread."
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121 "Insert a single header."
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122 (insert header ": " header-value "\n"))
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124 -(defun notmuch-show-insert-headers (headers)
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125 +(defun notmuch-show-insert-headers (headers depth)
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126 "Insert the headers of the current message."
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127 (let ((start (point)))
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128 (mapc (lambda (header)
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129 @@ -342,7 +371,7 @@ message at DEPTH in the current thread."
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132 (narrow-to-region start (point-max))
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133 - (run-hooks 'notmuch-show-markup-headers-hook)))))
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134 + (run-hook-with-args 'notmuch-show-markup-headers-hook depth)))))
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136 (define-button-type 'notmuch-show-part-button-type
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137 'action 'notmuch-show-part-button-default
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138 @@ -633,7 +662,7 @@ current buffer, if possible."
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139 ;; Override `notmuch-message-headers' to force `From' to be
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141 (let ((notmuch-message-headers '("From" "Subject" "To" "Cc" "Date")))
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142 - (notmuch-show-insert-headers (plist-get message :headers)))
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143 + (notmuch-show-insert-headers (plist-get message :headers) 0))
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145 ;; Blank line after headers to be compatible with the normal
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146 ;; message display.
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147 @@ -826,7 +855,7 @@ current buffer, if possible."
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148 ;; Set `headers-start' to point after the 'Subject:' header to be
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149 ;; compatible with the existing implementation. This just sets it
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150 ;; to after the first header.
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151 - (notmuch-show-insert-headers headers)
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152 + (notmuch-show-insert-headers headers depth)
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153 ;; Headers should include a blank line (backwards compatibility).
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