* lisp/org-compat.el (org-imenu-flat): New custom variable.
(org-imenu-get-tree): Skip hierarchical item structure if
org-imenu-flat is true.
Many of my Org files have deep hierarchies, but few total headings.
For those files, I find that navigating a flat menu structure is more
effective than navigating many nested menus.
A flat imenu structure also works well with packages, such as idomenu,
which navigate imenu items via search.
---
lisp/org-compat.el | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/lisp/org-compat.el b/lisp/org-compat.el
index e7ea4153e..cb9419857 100644
--- a/lisp/org-compat.el
+++ b/lisp/org-compat.el
@@ -600,6 +600,12 @@ This also applied for speedbar access."
:group 'org-imenu-and-speedbar
:type 'integer)
+(defcustom org-imenu-flat nil
+ "Non-nil creates index items at the top level. The default is
+for the index hierarchy to match the buffer's hierarchy."
+ :group 'org-imenu-and-speedbar
+ :type 'boolean)
+
;;;; Imenu
(defvar-local org-imenu-markers nil
@@ -618,6 +624,7 @@ This also applied for speedbar access."
(setq org-imenu-markers nil)
(let* ((case-fold-search nil)
(n org-imenu-depth)
+ (flat org-imenu-flat)
(re (concat "^" (org-get-limited-outline-regexp)))
(subs (make-vector (1+ n) nil))
(last-level 0)
@@ -632,10 +639,12 @@ This also applied for speedbar access."
(setq head (org-link-display-format head0)
m (org-imenu-new-marker))
(org-add-props head nil 'org-imenu-marker m 'org-imenu t)
- (if (>= level last-level)
- (push (cons head m) (aref subs level))
- (push (cons head (aref subs (1+ level))) (aref subs level))
- (cl-loop for i from (1+ level) to n do (aset subs i nil)))
+ (if flat
+ (push (cons head m) (aref subs 1))
+ (if (>= level last-level)
+ (push (cons head m) (aref subs level))
+ (push (cons head (aref subs (1+ level))) (aref subs level))
+ (cl-loop for i from (1+ level) to n do (aset subs i nil))))
(setq last-level level))))
(aref subs 1)))
--
2.14.2
