X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=emacs%2Fnotmuch-show.el;h=529b674ebe6ea1dd154f768e92369547528e2af4;hp=e209122932de183b724e417cc37ba3f2cabf05c0;hb=16ba777fd2a6dc6e9ade1f3894f5d7a001464a53;hpb=19ec74c50ebbf7f31997384e62b799fde99e7213

diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index e2091229..529b674e 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -126,6 +126,11 @@ indentation."
 		 (const :tag "View interactively"
 			notmuch-show-interactively-view-part)))
 
+(defcustom notmuch-show-only-matching-messages nil
+  "Only matching messages are shown by default."
+  :type 'boolean
+  :group 'notmuch-show)
+
 (defvar notmuch-show-thread-id nil)
 (make-variable-buffer-local 'notmuch-show-thread-id)
 (put 'notmuch-show-thread-id 'permanent-local t)
@@ -142,6 +147,14 @@ indentation."
 (make-variable-buffer-local 'notmuch-show-process-crypto)
 (put 'notmuch-show-process-crypto 'permanent-local t)
 
+(defvar notmuch-show-elide-non-matching-messages nil)
+(make-variable-buffer-local 'notmuch-show-elide-non-matching-messages)
+(put 'notmuch-show-elide-non-matching-messages 'permanent-local t)
+
+(defvar notmuch-show-indent-content t)
+(make-variable-buffer-local 'notmuch-show-indent-content)
+(put 'notmuch-show-indent-content 'permanent-local t)
+
 (defmacro with-current-notmuch-show-message (&rest body)
   "Evaluate body with current buffer set to the text of current message"
   `(save-excursion
@@ -252,10 +265,12 @@ operation on the contents of the current buffer."
 	 (all (buffer-substring (notmuch-show-message-top)
 				(notmuch-show-message-bottom)))
 
-	 (props (notmuch-show-get-message-properties)))
+	 (props (notmuch-show-get-message-properties))
+	 (indenting notmuch-show-indent-content))
     (with-temp-buffer
       (insert all)
-      (indent-rigidly (point-min) (point-max) (- depth))
+      (if indenting
+	  (indent-rigidly (point-min) (point-max) (- depth)))
       ;; Remove the original header.
       (goto-char (point-min))
       (re-search-forward "^$" (point-max) nil)
@@ -714,7 +729,7 @@ current buffer, if possible."
 	(run-hook-with-args 'notmuch-show-insert-text/plain-hook msg depth))))
   t)
 
-(defun notmuch-show-insert-part-text/x-vcalendar (msg part content-type nth depth declared-type)
+(defun notmuch-show-insert-part-text/calendar (msg part content-type nth depth declared-type)
   (notmuch-show-insert-part-header nth declared-type content-type (plist-get part :filename))
   (insert (with-temp-buffer
 	    (insert (notmuch-show-get-bodypart-content msg part nth))
@@ -732,6 +747,10 @@ current buffer, if possible."
 	      result)))
   t)
 
+;; For backwards compatibility.
+(defun notmuch-show-insert-part-text/x-vcalendar (msg part content-type nth depth declared-type)
+  (notmuch-show-insert-part-text/calendar msg part content-type nth depth declared-type))
+
 (defun notmuch-show-insert-part-application/octet-stream (msg part content-type nth depth declared-type)
   ;; If we can deduce a MIME type from the filename of the attachment,
   ;; do so and pass it on to the handler for that type.
@@ -896,7 +915,8 @@ current buffer, if possible."
     (setq body-start (point-marker))
     ;; A blank line between the headers and the body.
     (insert "\n")
-    (notmuch-show-insert-body msg (plist-get msg :body) depth)
+    (notmuch-show-insert-body msg (plist-get msg :body)
+			      (if notmuch-show-indent-content depth 0))
     ;; Ensure that the body ends with a newline.
     (unless (bolp)
       (insert "\n"))
@@ -904,7 +924,8 @@ current buffer, if possible."
     (setq content-end (point-marker))
 
     ;; Indent according to the depth in the thread.
-    (indent-rigidly content-start content-end (* notmuch-show-indent-messages-width depth))
+    (if notmuch-show-indent-content
+	(indent-rigidly content-start content-end (* notmuch-show-indent-messages-width depth)))
 
     (setq message-end (point-max-marker))
 
@@ -940,13 +961,33 @@ current buffer, if possible."
   (message (if notmuch-show-process-crypto
 	       "Processing cryptographic MIME parts."
 	     "Not processing cryptographic MIME parts."))
-  (notmuch-show-refresh-view))
+  (notmuch-show-refresh-view t))
+
+(defun notmuch-show-toggle-elide-non-matching ()
+  "Toggle the display of non-matching messages."
+  (interactive)
+  (setq notmuch-show-elide-non-matching-messages (not notmuch-show-elide-non-matching-messages))
+  (message (if notmuch-show-elide-non-matching-messages
+	       "Showing matching messages only."
+	     "Showing all messages."))
+  (notmuch-show-refresh-view t))
+
+(defun notmuch-show-toggle-thread-indentation ()
+  "Toggle the indentation of threads."
+  (interactive)
+  (setq notmuch-show-indent-content (not notmuch-show-indent-content))
+  (message (if notmuch-show-indent-content
+	       "Content is indented."
+	     "Content is not indented."))
+  (notmuch-show-refresh-view t))
 
 (defun notmuch-show-insert-tree (tree depth)
   "Insert the message tree TREE at depth DEPTH in the current thread."
   (let ((msg (car tree))
 	(replies (cadr tree)))
-    (notmuch-show-insert-msg msg depth)
+    (if (or (not notmuch-show-elide-non-matching-messages)
+	    (plist-get msg :match))
+	(notmuch-show-insert-msg msg depth))
     (notmuch-show-insert-thread replies (1+ depth))))
 
 (defun notmuch-show-insert-thread (thread depth)
@@ -1000,6 +1041,12 @@ function is used."
     ;; Set the default value for `notmuch-show-process-crypto' in this
     ;; buffer.
     (setq notmuch-show-process-crypto notmuch-crypto-process-mime)
+    ;; Set the default value for
+    ;; `notmuch-show-elide-non-matching-messages' in this buffer. If
+    ;; there is a prefix argument, invert the default.
+    (setq notmuch-show-elide-non-matching-messages notmuch-show-only-matching-messages)
+    (if current-prefix-arg
+	(setq notmuch-show-elide-non-matching-messages (not notmuch-show-elide-non-matching-messages)))
 
     (setq notmuch-show-thread-id thread-id
 	  notmuch-show-parent-buffer parent-buffer
@@ -1042,14 +1089,54 @@ function is used."
 
     (notmuch-show-mark-read)))
 
-(defun notmuch-show-refresh-view ()
+(defun notmuch-show-capture-state ()
+  "Capture the state of the current buffer.
+
+This includes:
+ - the list of open messages,
+ - the current message."
+  (list (notmuch-show-get-message-id) (notmuch-show-get-message-ids-for-open-messages)))
+
+(defun notmuch-show-apply-state (state)
+  "Apply STATE to the current buffer.
+
+This includes:
+ - opening the messages previously opened,
+ - closing all other messages,
+ - moving to the correct current message."
+  (let ((current (car state))
+	(open (cadr state)))
+
+    ;; Open those that were open.
+    (goto-char (point-min))
+    (loop do (notmuch-show-message-visible (notmuch-show-get-message-properties)
+					   (member (notmuch-show-get-message-id) open))
+	  until (not (notmuch-show-goto-message-next)))
+
+    ;; Go to the previously open message.
+    (goto-char (point-min))
+    (unless (loop if (string= current (notmuch-show-get-message-id))
+		  return t
+		  until (not (notmuch-show-goto-message-next)))
+      (goto-char (point-min))
+      (message "Previously current message not found."))
+    (notmuch-show-message-adjust)))
+
+(defun notmuch-show-refresh-view (&optional retain-state)
   "Refresh the current view.
 
-Refreshes the current view, observing changes in cryptographic preferences."
-  (interactive)
-  (let ((inhibit-read-only t))
-    (erase-buffer))
-  (notmuch-show-worker))
+Refreshes the current view, observing changes in display
+preferences. If RETAIN-STATE is non-nil then the state of the
+buffer is stored and re-applied after the refresh."
+  (interactive "P")
+  (let ((inhibit-read-only t)
+	state)
+    (if retain-state
+	(setq state (notmuch-show-capture-state)))
+    (erase-buffer)
+    (notmuch-show-worker)
+    (if state
+	(notmuch-show-apply-state state))))
 
 (defvar notmuch-show-stash-map
   (let ((map (make-sparse-keymap)))
@@ -1102,7 +1189,10 @@ Refreshes the current view, observing changes in cryptographic preferences."
 	(define-key map (kbd "M-RET") 'notmuch-show-open-or-close-all)
 	(define-key map (kbd "RET") 'notmuch-show-toggle-message)
 	(define-key map "#" 'notmuch-show-print-message)
+	(define-key map "!" 'notmuch-show-toggle-elide-non-matching)
 	(define-key map "$" 'notmuch-show-toggle-process-crypto)
+	(define-key map "<" 'notmuch-show-toggle-thread-indentation)
+	(define-key map "t" 'toggle-truncate-lines)
 	map)
       "Keymap for \"notmuch show\" buffers.")
 (fset 'notmuch-show-mode-map notmuch-show-mode-map)
@@ -1243,9 +1333,14 @@ Some useful entries are:
 		   (notmuch-show-get-message-properties))))
     (plist-get props prop)))
 
-(defun notmuch-show-get-message-id ()
-  "Return the message id of the current message."
-  (concat "id:\"" (notmuch-show-get-prop :id) "\""))
+(defun notmuch-show-get-message-id (&optional bare)
+  "Return the Message-Id of the current message.
+
+If optional argument BARE is non-nil, return
+the Message-Id without prefix and quotes."
+  (if bare
+      (notmuch-show-get-prop :id)
+    (concat "id:\"" (notmuch-show-get-prop :id) "\"")))
 
 (defun notmuch-show-get-messages-ids ()
   "Return all message ids of messages in the current thread."
@@ -1604,32 +1699,12 @@ argument, hide all of the messages."
   (interactive)
   (backward-button 1))
 
-(defun notmuch-show-tag-thread-internal (tag &optional remove)
-  "Add tag to the current set of messages.
-
-If the remove switch is given, tags will be removed instead of
-added."
-  (goto-char (point-min))
-  (let ((op (if remove "-" "+")))
-    (loop do (notmuch-show-tag-message (concat op tag))
-	  until (not (notmuch-show-goto-message-next)))))
-
-(defun notmuch-show-add-tag-thread (tag)
-  "Add tag to all messages in the current thread."
-  (interactive)
-  (notmuch-show-tag-thread-internal tag))
-
-(defun notmuch-show-remove-tag-thread (tag)
-  "Remove tag from all messages in the current thread."
-  (interactive)
-  (notmuch-show-tag-thread-internal tag t))
-
 (defun notmuch-show-next-thread (&optional show-next)
   "Move to the next item in the search results, if any."
   (interactive "P")
   (let ((parent-buffer notmuch-show-parent-buffer))
     (notmuch-kill-this-buffer)
-    (when parent-buffer
+    (when (buffer-live-p parent-buffer)
       (switch-to-buffer parent-buffer)
       (notmuch-search-next-thread)
       (if show-next
@@ -1651,9 +1726,8 @@ being delivered to the same thread. It does not archive the
 entire thread, but only the messages shown in the current
 buffer."
   (interactive "P")
-  (if unarchive
-      (notmuch-show-add-tag-thread "inbox")
-    (notmuch-show-remove-tag-thread "inbox")))
+  (let ((op (if unarchive "+" "-")))
+    (notmuch-show-tag-all (concat op "inbox"))))
 
 (defun notmuch-show-archive-thread-then-next ()
   "Archive each message in thread, then show next thread from search."
@@ -1724,7 +1798,7 @@ thread from search."
 (defun notmuch-show-stash-message-id-stripped ()
   "Copy message ID of current message (sans `id:' prefix) to kill-ring."
   (interactive)
-  (notmuch-common-do-stash (substring (notmuch-show-get-message-id) 4 -1)))
+  (notmuch-common-do-stash (notmuch-show-get-message-id t)))
 
 (defun notmuch-show-stash-subject ()
   "Copy Subject field of current message to kill-ring."