emacs: add support for custom tag changes on message/thread archive

[notmuch] / emacs / notmuch-lib.el

diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index aa25513a3b6500b1f36ab12e16d252f2cce2aca5..20d990dfc19ab73d2c49e6c2436af19c161ac7bd 100644 (file)
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -24,7 +24,7 @@
 (require 'mm-view)
 (require 'mm-decode)
 (require 'json)
-(eval-when-compile (require 'cl))
+(require 'cl)
 
 (defvar notmuch-command "notmuch"
   "Command to run the notmuch binary.")
@@ -82,6 +82,20 @@
   :type '(alist :key-type string :value-type string)
   :group 'notmuch-hello)
 
+(defcustom notmuch-archive-tags '("-inbox")
+  "List of tag changes to apply to a message or a thread when it is archived.
+
+Tags starting with \"+\" (or not starting with either \"+\" or
+\"-\") in the list will be added, and tags starting with \"-\"
+will be removed from the message or thread being archived.
+
+For example, if you wanted to remove an \"inbox\" tag and add an
+\"archived\" tag, you would set:
+    (\"-inbox\" \"+archived\")"
+  :type '(repeat string)
+  :group 'notmuch-search
+  :group 'notmuch-show)
+
 (defvar notmuch-folders nil
   "Deprecated name for what is now known as `notmuch-saved-searches'.")
 
@@ -269,6 +283,21 @@ current buffer, if possible."
   (loop for (key value . rest) on plist by #'cddr
        collect (cons (intern (substring (symbol-name key) 1)) value)))
 
+(defun notmuch-combine-face-text-property (start end face)
+  "Combine FACE into the 'face text property between START and END.
+
+This function combines FACE with any existing faces between START
+and END.  Attributes specified by FACE take precedence over
+existing attributes.  FACE must be a face name (a symbol or
+string), a property list of face attributes, or a list of these."
+
+  (let ((pos start))
+    (while (< pos end)
+      (let ((cur (get-text-property pos 'face))
+           (next (next-single-property-change pos 'face nil end)))
+       (put-text-property pos next 'face (cons face cur))
+       (setq pos next)))))
+
 ;; Compatibility functions for versions of emacs before emacs 23.
 ;;
 ;; Both functions here were copied from emacs 23 with the following copyright: