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37 Sun, 15 Jan 2012 04:16:09 -0800 (PST)
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38 From: Mark Walters <markwalters1009@gmail.com>
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39 To: notmuch@notmuchmail.org
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40 Subject: [PATCH 1/1] Make buttons for attachments allow viewing as well as
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42 Date: Sun, 15 Jan 2012 12:16:36 +0000
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61 Define a keymap for attachment buttons to allow multiple actions.
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62 Define 3 possible actions:
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63 save attachment: exactly as currently,
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64 view attachment: uses mailcap entry,
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65 view attachment with user chosen program
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67 Keymap on a button is: s for save, v for view and o for view with
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68 other program. Default (i.e. enter or mouse button) is save but is
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69 easily configurable e.g. set to view with
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70 (setq notmuch-show-part-button-default-action 'notmuch-show-part-view-action)
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72 One implementation detail: the view attachment function forces all
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73 attachments to be "displayed" using mailcap even if emacs could
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74 display them itself. Thus, for example, text/html appears in a browser
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75 and text/plain asks whether to save (on a standard debian setup)
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77 emacs/notmuch-show.el | 81 ++++++++++++++++++++++++++++++++++++++----------
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78 1 files changed, 64 insertions(+), 17 deletions(-)
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80 diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
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81 index 03c1f6b..a1c0e63 100644
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82 --- a/emacs/notmuch-show.el
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83 +++ b/emacs/notmuch-show.el
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84 @@ -281,10 +281,21 @@ message at DEPTH in the current thread."
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85 (run-hooks 'notmuch-show-markup-headers-hook)))))
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87 (define-button-type 'notmuch-show-part-button-type
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88 - 'action 'notmuch-show-part-button-action
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89 + 'action 'notmuch-show-part-button-default
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90 + 'keymap 'notmuch-show-part-button-map
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94 +(defvar notmuch-show-part-button-map
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95 + (let ((map (make-sparse-keymap)))
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96 + (set-keymap-parent map button-map)
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97 + (define-key map "s" 'notmuch-show-part-button-save)
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98 + (define-key map "v" 'notmuch-show-part-button-view)
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99 + (define-key map "o" 'notmuch-show-part-button-interactively-view)
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101 + "Submap for button commands")
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102 +(fset 'notmuch-show-part-button-map notmuch-show-part-button-map)
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104 (defun notmuch-show-insert-part-header (nth content-type declared-type &optional name comment)
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107 @@ -299,29 +310,43 @@ message at DEPTH in the current thread."
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109 :type 'notmuch-show-part-button-type
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111 - :notmuch-filename name))
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112 + :notmuch-filename name
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113 + :notmuch-content-type content-type))
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118 ;; Functions handling particular MIME parts.
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120 +;; this function is kept for the tests and any external users
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121 (defun notmuch-show-save-part (message-id nth &optional filename)
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122 + (notmuch-show-part-action 'notmuch-show-part-save-action message-id nth nil filename))
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124 +(defun notmuch-show-part-action (action message-id nth content-type &optional filename)
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125 (let ((process-crypto notmuch-show-process-crypto))
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127 (setq notmuch-show-process-crypto process-crypto)
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128 ;; Always acquires the part via `notmuch part', even if it is
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129 ;; available in the JSON output.
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130 (insert (notmuch-show-get-bodypart-internal message-id nth))
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131 - (let ((file (read-file-name
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132 - "Filename to save as: "
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133 - (or mailcap-download-directory "~/")
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136 - ;; Don't re-compress .gz & al. Arguably we should make
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137 - ;; `file-name-handler-alist' nil, but that would chop
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138 - ;; ange-ftp, which is reasonable to use here.
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139 - (mm-write-region (point-min) (point-max) file nil nil nil 'no-conversion t)))))
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140 + (cond ((eq action 'notmuch-show-part-save-action)
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141 + (let ((file (read-file-name
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142 + "Filename to save as: "
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143 + (or mailcap-download-directory "~/")
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146 + ;; Don't re-compress .gz & al. Arguably we should make
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147 + ;; `file-name-handler-alist' nil, but that would chop
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148 + ;; ange-ftp, which is reasonable to use here.
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149 + (mm-write-region (point-min) (point-max) file nil nil nil 'no-conversion t)))
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150 + ((eq action 'notmuch-show-part-view-action)
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151 + ;; set mm-inlined-types to nil to force an external viewer
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152 + (let ((handle (mm-make-handle (current-buffer) (list content-type)))
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153 + (mm-inlined-types nil))
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154 + (mm-display-part handle)))
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155 + ((eq action 'notmuch-show-part-interactively-view-action)
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156 + (let ((handle (mm-make-handle (current-buffer) (list content-type))))
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157 + (mm-interactively-view-part handle)))))))
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159 (defun notmuch-show-mm-display-part-inline (msg part nth content-type)
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160 "Use the mm-decode/mm-view functions to display a part in the
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161 @@ -1502,12 +1527,34 @@ buffer."
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163 ;; Commands typically bound to buttons.
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165 -(defun notmuch-show-part-button-action (button)
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166 - (let ((nth (button-get button :notmuch-part)))
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168 - (notmuch-show-save-part (notmuch-show-get-message-id) nth
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169 - (button-get button :notmuch-filename))
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170 - (message "Not a valid part (is it a fake part?)."))))
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171 +(defvar notmuch-show-part-button-default-action 'notmuch-show-part-save-action)
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173 +(defun notmuch-show-part-button-default (&optional button)
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175 + (notmuch-show-part-button notmuch-show-part-button-default-action button))
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177 +(defun notmuch-show-part-button-save (&optional button)
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179 + (notmuch-show-part-button 'notmuch-show-part-save-action button))
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181 +(defun notmuch-show-part-button-view (&optional button)
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183 + (notmuch-show-part-button 'notmuch-show-part-view-action button))
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185 +(defun notmuch-show-part-button-interactively-view (&optional button)
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187 + (notmuch-show-part-button 'notmuch-show-part-interactively-view-action button))
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189 +(defun notmuch-show-part-button (action &optional button)
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191 + (let ((button (or button (button-at (point)))))
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193 + (let ((nth (button-get button :notmuch-part)))
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195 + (notmuch-show-part-action action (notmuch-show-get-message-id) nth
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196 + (button-get button :notmuch-content-type)
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197 + (button-get button :notmuch-filename))
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198 + (message "Not a valid part (is it a fake part?)."))))))
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