test: Fix from-guessing to actually span Received headers over multiple lines

[notmuch] / emacs / notmuch-wash.el

diff --git a/emacs/notmuch-wash.el b/emacs/notmuch-wash.el
index 8455eee0998f05e6e22bd2b81ee050cdcc29f698..6760f3e743c3a578dbba46758d682292a1a55784 100644 (file)
--- a/emacs/notmuch-wash.el
+++ b/emacs/notmuch-wash.el
@@ -35,6 +35,9 @@
   "\\(^[[:space:]]*>.*\n\\)+"
   "Pattern to match citation lines.")
 
+(defvar notmuch-wash-original-regexp "^\\(--+\s?[oO]riginal [mM]essage\s?--+\\)$"
+  "Pattern to match a line that separates original message from reply in top-posted message.")
+
 (defvar notmuch-wash-button-signature-hidden-format
   "[ %d-line signature. Click/Enter to show. ]"
   "String used to construct button text for hidden signatures.
@@ -55,6 +58,16 @@ Can use up to one integer format parameter, i.e. %d")
   "String used to construct button text for visible citations.
 Can use up to one integer format parameter, i.e. %d")
 
+(defvar notmuch-wash-button-original-hidden-format
+  "[ %d-line hidden original message. Click/Enter to show. ]"
+  "String used to construct button text for hidden citations.
+Can use up to one integer format parameter, i.e. %d")
+
+(defvar notmuch-wash-button-original-visible-format
+  "[ %d-line original message. Click/Enter to hide. ]"
+  "String used to construct button text for visible citations.
+Can use up to one integer format parameter, i.e. %d")
+
 (defvar notmuch-wash-signature-lines-max 12
   "Maximum length of signature that will be hidden by default.")
 
@@ -82,13 +95,14 @@ collapse the remaining lines into a button.")
   (let* ((new-start (button-start cite-button))
         (overlay (button-get cite-button 'overlay))
         (button-label (notmuch-wash-button-label overlay))
+        (old-point (point))
         (inhibit-read-only t))
-    (save-excursion
-      (goto-char new-start)
-      (insert button-label)
-      (let ((old-end (button-end cite-button)))
-       (move-overlay cite-button new-start (point))
-       (delete-region (point) old-end))))
+    (goto-char new-start)
+    (insert button-label)
+    (let ((old-end (button-end cite-button)))
+      (move-overlay cite-button new-start (point))
+      (delete-region (point) old-end))
+    (goto-char (min old-point (1- (button-end cite-button)))))
   (force-window-update)
   (redisplay t))
 
@@ -105,6 +119,10 @@ collapse the remaining lines into a button.")
   'help-echo "mouse-1, RET: Show signature"
   :supertype 'notmuch-wash-button-invisibility-toggle-type)
 
+(define-button-type 'notmuch-wash-button-original-toggle-type
+  'help-echo "mouse-1, RET: Show original message"
+  :supertype 'notmuch-wash-button-invisibility-toggle-type)
+
 (defun notmuch-wash-region-isearch-show (overlay)
   (remove-from-invisibility-spec (overlay-get overlay 'invisible)))
 
@@ -150,12 +168,19 @@ insert before the button, probably for indentation."
   "Excerpt citations and up to one signature."
   (goto-char (point-min))
   (beginning-of-line)
+  (if (and (< (point) (point-max))
+          (re-search-forward notmuch-wash-original-regexp nil t))
+      (let* ((msg-start (match-beginning 0))
+            (msg-end (point-max))
+            (msg-lines (count-lines msg-start msg-end)))
+       (notmuch-wash-region-to-button
+        msg-start msg-end "original" "\n")))
   (while (and (< (point) (point-max))
              (re-search-forward notmuch-wash-citation-regexp nil t))
     (let* ((cite-start (match-beginning 0))
           (cite-end (match-end 0))
           (cite-lines (count-lines cite-start cite-end)))
-      (overlay-put (make-overlay cite-start cite-end) 'face 'message-cited-text-face)
+      (overlay-put (make-overlay cite-start cite-end) 'face 'message-cited-text)
       (when (> cite-lines (+ notmuch-wash-citation-lines-prefix
                             notmuch-wash-citation-lines-suffix
                             1))
@@ -177,7 +202,7 @@ insert before the button, probably for indentation."
                  (sig-end-marker (make-marker)))
              (set-marker sig-start-marker sig-start)
              (set-marker sig-end-marker (point-max))
-             (overlay-put (make-overlay sig-start-marker sig-end-marker) 'face 'message-cited-text-face)
+             (overlay-put (make-overlay sig-start-marker sig-end-marker) 'face 'message-cited-text)
              (notmuch-wash-region-to-button
               sig-start-marker sig-end-marker
               "signature" "\n"))))))