X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=emacs%2Fnotmuch-show.el;h=079281c341f0ea433d569d441f592ccea8058db6;hp=364004b82040822d0db4f7a550ca562d339faae1;hb=e083987338ab058fff826242c0a7b533f5a453ba;hpb=e4164dfdc36e5c95224c75ebc988c603d0e2aa27

diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index 364004b8..079281c3 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -48,8 +48,10 @@
 (declare-function notmuch-count-attachments "notmuch" (mm-handle))
 (declare-function notmuch-save-attachments "notmuch" (mm-handle &optional queryp))
 (declare-function notmuch-tree "notmuch-tree"
-		  (&optional query query-context target buffer-name open-target))
+		  (&optional query query-context target buffer-name open-target unthreaded))
 (declare-function notmuch-tree-get-message-properties "notmuch-tree" nil)
+(declare-function notmuch-unthreaded
+		  (&optional query query-context target buffer-name open-target))
 (declare-function notmuch-read-query "notmuch" (prompt))
 (declare-function notmuch-draft-resume "notmuch-draft" (id))
 
@@ -183,7 +185,7 @@ each attachment handler is logged in buffers with names beginning
 24.3 to work.")
 
 (defcustom notmuch-show-stash-mlarchive-link-alist
-  '(("Gmane" . "http://mid.gmane.org/")
+  '(("Gmane" . "https://mid.gmane.org/")
     ("MARC" . "https://marc.info/?i=")
     ("Mail Archive, The" . "https://mid.mail-archive.com/")
     ("LKML" . "https://lkml.kernel.org/r/")
@@ -247,6 +249,19 @@ every user interaction with notmuch."
   :type 'function
   :group 'notmuch-show)
 
+(defcustom notmuch-show-imenu-indent nil
+  "Should Imenu display messages indented.
+
+By default, Imenu (see Info node `(emacs) Imenu') in a
+notmuch-show buffer displays all messages straight.  This is
+because the default Emacs frontend for Imenu makes it difficult
+to select an Imenu entry with spaces in front.  Other imenu
+frontends such as counsel-imenu does not have this limitation.
+In these cases, Imenu entries can be indented to reflect the
+position of the message in the thread."
+  :type 'boolean
+  :group 'notmuch-show)
+
 (defmacro with-current-notmuch-show-message (&rest body)
   "Evaluate body with current buffer set to the text of current message"
   `(save-excursion
@@ -330,7 +345,7 @@ operation on the contents of the current buffer."
     (with-temp-buffer
       (insert all)
       (if indenting
-	  (indent-rigidly (point-min) (point-max) (- depth)))
+	  (indent-rigidly (point-min) (point-max) (- (* notmuch-show-indent-messages-width depth))))
       ;; Remove the original header.
       (goto-char (point-min))
       (re-search-forward "^$" (point-max) nil)
@@ -591,7 +606,7 @@ will return nil if the CID is unknown or cannot be retrieved."
     (unless (assq 'notmuch-show-mode w3m-cid-retrieve-function-alist)
       (push (cons 'notmuch-show-mode #'notmuch-show--cid-w3m-retrieve)
 	    w3m-cid-retrieve-function-alist)))
-  (setq mm-inline-text-html-with-images t))
+  (setq mm-html-inhibit-images nil))
 
 (defvar w3m-current-buffer) ;; From `w3m.el'.
 (defun notmuch-show--cid-w3m-retrieve (url &rest args)
@@ -760,6 +775,20 @@ will return nil if the CID is unknown or cannot be retrieved."
 (defun notmuch-show-insert-part-text/x-vcalendar (msg part content-type nth depth button)
   (notmuch-show-insert-part-text/calendar msg part content-type nth depth button))
 
+(if (version< emacs-version "25.3")
+    ;; https://bugs.gnu.org/28350
+    ;;
+    ;; For newer emacs, we fall back to notmuch-show-insert-part-*/*
+    ;; (see notmuch-show-handlers-for)
+    (defun notmuch-show-insert-part-text/enriched (msg part content-type nth depth button)
+      ;; By requiring enriched below, we ensure that the function enriched-decode-display-prop
+      ;; is defined before it will be shadowed by the letf below. Otherwise the version
+      ;; in enriched.el may be loaded a bit later and used instead (for the first time).
+      (require 'enriched)
+      (letf (((symbol-function 'enriched-decode-display-prop)
+		 (lambda (start end &optional param) (list start end))))
+	(notmuch-show-insert-part-*/* msg part content-type nth depth button))))
+
 (defun notmuch-show-get-mime-type-of-application/octet-stream (part)
   ;; If we can deduce a MIME type from the filename of the attachment,
   ;; we return that.
@@ -909,7 +938,7 @@ will return nil if the CID is unknown or cannot be retrieved."
 	(narrow-to-region part-beg part-end)
 	(delete-region part-beg part-end)
 	(apply #'notmuch-show-insert-bodypart-internal part-args)
-	(indent-rigidly part-beg part-end depth))
+	(indent-rigidly part-beg part-end (* notmuch-show-indent-messages-width depth)))
       (goto-char part-end)
       (delete-char 1)
       (notmuch-show-record-part-information (second part-args)
@@ -1227,7 +1256,15 @@ matched."
   (interactive "sNotmuch show: \nP")
   (let ((buffer-name (generate-new-buffer-name
 		      (or buffer-name
-			  (concat "*notmuch-" thread-id "*")))))
+			  (concat "*notmuch-" thread-id "*"))))
+	;; We override mm-inline-override-types to stop application/*
+	;; parts from being displayed unless the user has customized
+	;; it themselves.
+	(mm-inline-override-types
+	 (if (equal mm-inline-override-types
+		    (eval (car (get 'mm-inline-override-types 'standard-value))))
+	     (cons "application/*" mm-inline-override-types)
+	   mm-inline-override-types)))
     (switch-to-buffer (get-buffer-create buffer-name))
     ;; No need to track undo information for this buffer.
     (setq buffer-undo-list t)
@@ -1239,7 +1276,9 @@ matched."
     ;; aren't wiped out.
     (setq notmuch-show-thread-id thread-id
 	  notmuch-show-parent-buffer parent-buffer
-	  notmuch-show-query-context query-context
+	  notmuch-show-query-context (if (or (string= query-context "")
+					     (string= query-context "*"))
+					 nil query-context)
 
 	  notmuch-show-process-crypto notmuch-crypto-process-mime
 	  ;; If `elide-toggle', invert the default value.
@@ -1434,6 +1473,7 @@ reset based on the original query."
   (let ((map (make-sparse-keymap)))
     (set-keymap-parent map notmuch-common-keymap)
     (define-key map "Z" 'notmuch-tree-from-show-current-query)
+    (define-key map "U" 'notmuch-unthreaded-from-show-current-query)
     (define-key map (kbd "<C-tab>") 'widget-backward)
     (define-key map (kbd "M-TAB") 'notmuch-show-previous-button)
     (define-key map (kbd "<backtab>") 'notmuch-show-previous-button)
@@ -1474,6 +1514,7 @@ reset based on the original query."
     (define-key map "<" 'notmuch-show-toggle-thread-indentation)
     (define-key map "t" 'toggle-truncate-lines)
     (define-key map "." 'notmuch-show-part-map)
+    (define-key map "B" 'notmuch-show-browse-urls)
     map)
   "Keymap for \"notmuch show\" buffers.")
 (fset 'notmuch-show-mode-map notmuch-show-mode-map)
@@ -1508,7 +1549,11 @@ All currently available key bindings:
 \\{notmuch-show-mode-map}"
   (setq notmuch-buffer-refresh-function #'notmuch-show-refresh-view)
   (setq buffer-read-only t
-	truncate-lines t))
+	truncate-lines t)
+  (setq imenu-prev-index-position-function
+        #'notmuch-show-imenu-prev-index-position-function)
+  (setq imenu-extract-index-name-function
+        #'notmuch-show-imenu-extract-index-name-function))
 
 (defun notmuch-tree-from-show-current-query ()
   "Call notmuch tree with the current query"
@@ -1517,6 +1562,13 @@ All currently available key bindings:
 		notmuch-show-query-context
 		(notmuch-show-get-message-id)))
 
+(defun notmuch-unthreaded-from-show-current-query ()
+  "Call notmuch unthreaded with the current query"
+  (interactive)
+  (notmuch-unthreaded notmuch-show-thread-id
+		      notmuch-show-query-context
+		      (notmuch-show-get-message-id)))
+
 (defun notmuch-show-move-to-message-top ()
   (goto-char (notmuch-show-message-top)))
 
@@ -1532,6 +1584,8 @@ All currently available key bindings:
 ;; region a->b is not found when point is at b. We walk backwards
 ;; until finding the property.
 (defun notmuch-show-message-extent ()
+  "Return a cons cell containing the start and end buffer offset
+of the current message."
   (let (r)
     (save-excursion
       (while (not (setq r (get-text-property (point) :notmuch-message-extent)))
@@ -1652,9 +1706,10 @@ current thread."
 
 ;; dme: Would it make sense to use a macro for many of these?
 
+;; XXX TODO figure out what to do about multiple filenames
 (defun notmuch-show-get-filename ()
   "Return the filename of the current message."
-  (notmuch-show-get-prop :filename))
+  (car (notmuch-show-get-prop :filename)))
 
 (defun notmuch-show-get-header (header &optional props)
   "Return the named header of the current message, if any."
@@ -1666,6 +1721,9 @@ current thread."
 (defun notmuch-show-get-date ()
   (notmuch-show-get-header :Date))
 
+(defun notmuch-show-get-timestamp ()
+  (notmuch-show-get-prop :timestamp))
+
 (defun notmuch-show-get-from ()
   (notmuch-show-get-header :From))
 
@@ -2208,7 +2266,7 @@ message will be \"unarchived\", i.e. the tag changes in
 	   (notmuch-tag-change-list notmuch-archive-tags unarchive))))
 
 (defun notmuch-show-archive-message-then-next-or-exit ()
-  "Archive the current message, then show the next open message in the current thread.
+  "Archive current message, then show next open message in current thread.
 
 If at the last open message in the current thread, then exit back
 to search results."
@@ -2217,7 +2275,7 @@ to search results."
   (notmuch-show-next-open-message t))
 
 (defun notmuch-show-archive-message-then-next-or-next-thread ()
-  "Archive the current message, then show the next open message in the current thread.
+  "Archive current message, then show next open message in current or next thread.
 
 If at the last open message in the current thread, then show next
 thread from search."
@@ -2231,10 +2289,17 @@ thread from search."
   (interactive)
   (notmuch-common-do-stash (notmuch-show-get-cc)))
 
-(defun notmuch-show-stash-date ()
-  "Copy date of current message to kill-ring."
-  (interactive)
-  (notmuch-common-do-stash (notmuch-show-get-date)))
+(put 'notmuch-show-stash-date 'notmuch-prefix-doc
+     "Copy timestamp of current message to kill-ring.")
+(defun notmuch-show-stash-date (&optional stash-timestamp)
+  "Copy date of current message to kill-ring.
+
+If invoked with a prefix argument, copy timestamp of current
+message to kill-ring."
+  (interactive "P")
+  (if stash-timestamp
+      (notmuch-common-do-stash (format "%d" (notmuch-show-get-timestamp)))
+    (notmuch-common-do-stash (notmuch-show-get-date))))
 
 (defun notmuch-show-stash-filename ()
   "Copy filename of current message to kill-ring."
@@ -2447,6 +2512,56 @@ the new buffer."
 			  (mailcap-mime-types) nil nil nil nil "text/plain")))
   (notmuch-show-apply-to-current-part-handle #'notmuch-show--mm-display-part mime-type))
 
+(defun notmuch-show-imenu-prev-index-position-function ()
+  "Move point to previous message in notmuch-show buffer.
+This function is used as a value for
+`imenu-prev-index-position-function'."
+  (if (bobp)
+      nil
+    (notmuch-show-previous-message)
+    t))
+
+(defun notmuch-show-imenu-extract-index-name-function ()
+  "Return imenu name for line at point.
+This function is used as a value for
+`imenu-extract-index-name-function'.  Point should be at the
+beginning of the line."
+  (back-to-indentation)
+  (buffer-substring-no-properties (if notmuch-show-imenu-indent
+				      (line-beginning-position)
+				    (point))
+				  (line-end-position)))
+
+(defmacro notmuch-show--with-currently-shown-message (&rest body)
+  "Evaluate BODY with display restricted to the currently shown
+message."
+  `(save-excursion
+     (save-restriction
+      (let ((extent (notmuch-show-message-extent)))
+	(narrow-to-region (car extent) (cdr extent))
+	,@body))))
+
+(defun notmuch-show--gather-urls ()
+  "Gather any URLs in the current message."
+  (notmuch-show--with-currently-shown-message
+   (let (urls)
+     (goto-char (point-min))
+     (while (re-search-forward goto-address-url-regexp (point-max) t)
+       (push (match-string-no-properties 0) urls))
+     (reverse urls))))
+
+(defun notmuch-show-browse-urls (&optional kill)
+  "Offer to browse any URLs in the current message.
+With a prefix argument, copy the URL to the kill ring rather than
+browsing."
+  (interactive "P")
+  (let ((urls (notmuch-show--gather-urls))
+	(prompt (if kill "Copy URL to kill ring: " "Browse URL: "))
+	(fn (if kill #'kill-new #'browse-url)))
+    (if urls
+	(funcall fn (completing-read prompt urls nil nil nil nil (car urls)))
+      (message "No URLs found."))))
+
 (provide 'notmuch-show)
 
 ;;; notmuch-show.el ends here