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[PATCH] Add new option 'org-imenu-flatten'

From: Morgan Smith
Subject: [PATCH] Add new option 'org-imenu-flatten'
Date: Thu, 7 Dec 2023 15:52:26 -0500

* lisp/org/org-compat.el: Add definition of 'org-imenu-flatten'.
(org-imenu-get-tree): Use 'org-imenu-flatten'.


I've been using this patch for a bit and I quite like it.  One would think
there would be an option in imenu itself to flatten trees but that does not
seem to be the case.  I copied the defcustom from 'doc-view-imenu-flatten'.



 lisp/org-compat.el | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lisp/org-compat.el b/lisp/org-compat.el
index 2697342d6..f2112e4e9 100644
--- a/lisp/org-compat.el
+++ b/lisp/org-compat.el
@@ -1333,6 +1333,10 @@ Pass COLUMN and FORCE to `move-to-column'."
 This also applied for speedbar access."
   :type 'integer)
+(defcustom org-imenu-flatten nil
+  "Whether to flatten the list of sections in an imenu or show it nested."
+  :type 'boolean)
 ;;;; Imenu
 (defvar-local org-imenu-markers nil
@@ -1353,7 +1357,8 @@ This also applied for speedbar access."
                        (org-link-display-format (org-get-heading t t t t)))))
         (when (and (<= level org-imenu-depth) (org-string-nw-p headline))
           (let* ((m (point-marker))
-                 (item (propertize headline 'org-imenu-marker m 'org-imenu t)))
+                 (item (propertize headline 'org-imenu-marker m 'org-imenu t))
+                  (level (if org-imenu-flatten 1 level)))
             (push m org-imenu-markers)
             (if (>= level last-level)
                 (push (cons item m) (aref subs level))

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