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Re: [Emacs-orgmode] automatic isearch-mode in org-goto and org-remember

From: Carsten Dominik
Subject: Re: [Emacs-orgmode] automatic isearch-mode in org-goto and org-remember
Date: Fri, 23 Jun 2006 21:10:50 +0200

Now, here is something for me to learn.  Thanks Piotr,
this looks really great.

- Carsten

On Jun 23, 2006, at 16:40, Piotr Zielinski wrote:


The following lisp code turns automatic isearch mode on (as in
Firefox) whenever you navigate an org-file using org-goto or
org-remember.  It is useful especially for finding headlines when the
org-file is long and has a deeply nested structure. The isearch-mode
is modified so that it searches only headlines (even invisible ones)
but ignores normal text.

The function local-move-tree uses (the enhanced) org-goto to move the
current tree to the selected location.  It is useful for organizing
your org-file; when many items accumulated on your general todo list
(eg. after using org-remember a lot) and you want to dispatch them to
the projects they belong to.

Finally, the newest version of  org-mouse (0.17) allows you to toggle
checkboxes [X] with a single mouse click.



(defvar local-auto-isearch-map (make-sparse-keymap))
(set-keymap-parent local-auto-isearch-map isearch-mode-map)
(define-key local-auto-isearch-map "\C-i" 'isearch-other-control-char)

(defun local-search-forward-headings (string bound noerror)
 (catch 'return
   (while (search-forward string bound noerror)
     (when (save-match-data (outline-on-heading-p t))
        (throw 'return t)))))

(defun local-auto-isearch ()
 (let ((keys (this-command-keys)))
   (when (eq (lookup-key isearch-mode-map keys) 'isearch-printing-char)
     (isearch-mode t)
     (isearch-process-search-char (string-to-char keys)))))

(defun local-move-tree (&optional tobuffer)
 (setq tobuffer (or tobuffer (current-buffer)))
 (let ((toplace (save-excursion
                    (set-buffer tobuffer)
                    (copy-marker (point)))))
        (set-buffer tobuffer)
        (goto-char toplace)
        (org-back-to-heading t)
        (org-paste-subtree (outline-level)))))

(add-hook 'org-mode-hook
          '(lambda ()
             (defadvice org-get-location (around auto-isearch-advice activate)
               (let ((isearch-mode-map local-auto-isearch-map)
                     (isearch-hide-immediately nil)
                      (lambda () 'local-search-forward-headings)))
             (define-key org-goto-map [(return)] 'org-goto-ret)
             (define-key-after org-goto-map [t] 'local-auto-isearch)
             (require 'cl)
             (dolist (key '(?n ?p ?f ?b ?u ?q))
               (setq org-goto-map (assq-delete-all key org-goto-map)))))

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Carsten Dominik
Sterrenkundig Instituut "Anton Pannekoek"
Universiteit van Amsterdam
Kruislaan 403
NL-1098SJ Amsterdam
phone: +31 20 525 7477

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