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authormattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
committermattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
commitbd18a38c2898548a3664a9ddab9f79c84f2caf4a (patch)
tree95b9933376770381bd8859782ae763be81c2d72b /elpa/org-9.5.2/org-goto.el
parentb07628dddf418d4f47b858e6c35fd3520fbaeed2 (diff)
parentef160dea332af4b4fe5e2717b962936c67e5fe9e (diff)
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-;;; org-goto.el --- Fast navigation in an Org buffer -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2012-2021 Free Software Foundation, Inc.
-
-;; Author: Carsten Dominik <carsten.dominik@gmail.com>
-;; Keywords: outlines, hypermedia, calendar, wp
-
-;; This file is part of GNU Emacs.
-
-;; GNU Emacs is free software; you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-
-;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
-
-;;; Code:
-
-(require 'org)
-(require 'org-refile)
-
-(defvar org-goto-exit-command nil)
-(defvar org-goto-map nil)
-(defvar org-goto-marker nil)
-(defvar org-goto-selected-point nil)
-(defvar org-goto-start-pos nil)
-(defvar org-goto-window-configuration nil)
-
-(defconst org-goto-local-auto-isearch-map (make-sparse-keymap))
-(set-keymap-parent org-goto-local-auto-isearch-map isearch-mode-map)
-
-(defconst org-goto-help
- "Browse buffer copy, to find location or copy text.%s
-RET=jump to location C-g=quit and return to previous location
-\[Up]/[Down]=next/prev headline TAB=cycle visibility [/] org-occur")
-
-
-
-;;; Customization
-
-(defgroup org-goto nil
- "Options concerning Org Goto navigation interface."
- :tag "Org Goto"
- :group 'org)
-
-(defcustom org-goto-interface 'outline
- "The default interface to be used for `org-goto'.
-
-Allowed values are:
-
-`outline'
-
- The interface shows an outline of the relevant file and the
- correct heading is found by moving through the outline or by
- searching with incremental search.
-
-`outline-path-completion'
-
- Headlines in the current buffer are offered via completion.
- This is the interface also used by the refile command."
- :group 'org-goto
- :type '(choice
- (const :tag "Outline" outline)
- (const :tag "Outline-path-completion" outline-path-completion)))
-
-(defcustom org-goto-max-level 5
- "Maximum target level when running `org-goto' with refile interface."
- :group 'org-goto
- :type 'integer)
-
-(defcustom org-goto-auto-isearch t
- "Non-nil means typing characters in `org-goto' starts incremental search.
-When nil, you can use these keybindings to navigate the buffer:
-
- q Quit the Org Goto interface
- n Go to the next visible heading
- p Go to the previous visible heading
- f Go one heading forward on same level
- b Go one heading backward on same level
- u Go one heading up"
- :group 'org-goto
- :type 'boolean)
-
-
-
-;;; Internal functions
-
-(defun org-goto--set-map ()
- "Set the keymap `org-goto'."
- (setq org-goto-map
- (let ((map (make-sparse-keymap)))
- (let ((cmds '(isearch-forward isearch-backward kill-ring-save set-mark-command
- mouse-drag-region universal-argument org-occur)))
- (dolist (cmd cmds)
- (substitute-key-definition cmd cmd map global-map)))
- (suppress-keymap map)
- (org-defkey map "\C-m" 'org-goto-ret)
- (org-defkey map [(return)] 'org-goto-ret)
- (org-defkey map [(left)] 'org-goto-left)
- (org-defkey map [(right)] 'org-goto-right)
- (org-defkey map [(control ?g)] 'org-goto-quit)
- (org-defkey map "\C-i" 'org-cycle)
- (org-defkey map [(tab)] 'org-cycle)
- (org-defkey map [(down)] 'outline-next-visible-heading)
- (org-defkey map [(up)] 'outline-previous-visible-heading)
- (if org-goto-auto-isearch
- (if (fboundp 'define-key-after)
- (define-key-after map [t] 'org-goto-local-auto-isearch)
- nil)
- (org-defkey map "q" 'org-goto-quit)
- (org-defkey map "n" 'outline-next-visible-heading)
- (org-defkey map "p" 'outline-previous-visible-heading)
- (org-defkey map "f" 'outline-forward-same-level)
- (org-defkey map "b" 'outline-backward-same-level)
- (org-defkey map "u" 'outline-up-heading))
- (org-defkey map "/" 'org-occur)
- (org-defkey map "\C-c\C-n" 'outline-next-visible-heading)
- (org-defkey map "\C-c\C-p" 'outline-previous-visible-heading)
- (org-defkey map "\C-c\C-f" 'outline-forward-same-level)
- (org-defkey map "\C-c\C-b" 'outline-backward-same-level)
- (org-defkey map "\C-c\C-u" 'outline-up-heading)
- map)))
-
-;; `isearch-other-control-char' was removed in Emacs 24.4.
-(if (fboundp 'isearch-other-control-char)
- (progn
- (define-key org-goto-local-auto-isearch-map "\C-i" 'isearch-other-control-char)
- (define-key org-goto-local-auto-isearch-map "\C-m" 'isearch-other-control-char))
- (define-key org-goto-local-auto-isearch-map "\C-i" nil)
- (define-key org-goto-local-auto-isearch-map "\C-m" nil)
- (define-key org-goto-local-auto-isearch-map [return] nil))
-
-(defun org-goto--local-search-headings (string bound noerror)
- "Search and make sure that any matches are in headlines."
- (catch 'return
- (while (if isearch-forward
- (search-forward string bound noerror)
- (search-backward string bound noerror))
- (when (save-match-data
- (and (save-excursion
- (beginning-of-line)
- (looking-at org-complex-heading-regexp))
- (or (not (match-beginning 5))
- (< (point) (match-beginning 5)))))
- (throw 'return (point))))))
-
-(defun org-goto-local-auto-isearch ()
- "Start isearch."
- (interactive)
- (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))
- (org-font-lock-ensure))))
-
-(defun org-goto-ret (&optional _arg)
- "Finish `org-goto' by going to the new location."
- (interactive "P")
- (setq org-goto-selected-point (point))
- (setq org-goto-exit-command 'return)
- (throw 'exit nil))
-
-(defun org-goto-left ()
- "Finish `org-goto' by going to the new location."
- (interactive)
- (if (org-at-heading-p)
- (progn
- (beginning-of-line 1)
- (setq org-goto-selected-point (point)
- org-goto-exit-command 'left)
- (throw 'exit nil))
- (user-error "Not on a heading")))
-
-(defun org-goto-right ()
- "Finish `org-goto' by going to the new location."
- (interactive)
- (if (org-at-heading-p)
- (progn
- (setq org-goto-selected-point (point)
- org-goto-exit-command 'right)
- (throw 'exit nil))
- (user-error "Not on a heading")))
-
-(defun org-goto-quit ()
- "Finish `org-goto' without cursor motion."
- (interactive)
- (setq org-goto-selected-point nil)
- (setq org-goto-exit-command 'quit)
- (throw 'exit nil))
-
-
-
-;;; Public API
-
-;;;###autoload
-(defun org-goto-location (&optional _buf help)
- "Let the user select a location in current buffer.
-This function uses a recursive edit. It returns the selected
-position or nil."
- (let ((isearch-mode-map org-goto-local-auto-isearch-map)
- (isearch-hide-immediately nil)
- (isearch-search-fun-function
- (lambda () #'org-goto--local-search-headings))
- (help (or help org-goto-help)))
- (save-excursion
- (save-window-excursion
- (delete-other-windows)
- (and (get-buffer "*org-goto*") (kill-buffer "*org-goto*"))
- (pop-to-buffer-same-window
- (condition-case nil
- (make-indirect-buffer (current-buffer) "*org-goto*" t)
- (error (make-indirect-buffer (current-buffer) "*org-goto*" t))))
- (let (temp-buffer-show-function temp-buffer-show-hook)
- (with-output-to-temp-buffer "*Org Help*"
- (princ (format help (if org-goto-auto-isearch
- " Just type for auto-isearch."
- " n/p/f/b/u to navigate, q to quit.")))))
- (org-fit-window-to-buffer (get-buffer-window "*Org Help*"))
- (org-overview)
- (setq buffer-read-only t)
- (if (and (boundp 'org-goto-start-pos)
- (integer-or-marker-p org-goto-start-pos))
- (progn (goto-char org-goto-start-pos)
- (when (org-invisible-p)
- (org-show-set-visibility 'lineage)))
- (goto-char (point-min)))
- (let (org-special-ctrl-a/e) (org-beginning-of-line))
- (message "Select location and press RET")
- (use-local-map org-goto-map)
- (recursive-edit)))
- (kill-buffer "*org-goto*")
- (cons org-goto-selected-point org-goto-exit-command)))
-
-;;;###autoload
-(defun org-goto (&optional alternative-interface)
- "Look up a different location in the current file, keeping current visibility.
-
-When you want look-up or go to a different location in a
-document, the fastest way is often to fold the entire buffer and
-then dive into the tree. This method has the disadvantage, that
-the previous location will be folded, which may not be what you
-want.
-
-This command works around this by showing a copy of the current
-buffer in an indirect buffer, in overview mode. You can dive
-into the tree in that copy, use `org-occur' and incremental search
-to find a location. When pressing RET or `Q', the command
-returns to the original buffer in which the visibility is still
-unchanged. After RET it will also jump to the location selected
-in the indirect buffer and expose the headline hierarchy above.
-
-With a prefix argument, use the alternative interface: e.g., if
-`org-goto-interface' is `outline' use `outline-path-completion'."
- (interactive "P")
- (org-goto--set-map)
- (let* ((org-refile-targets `((nil . (:maxlevel . ,org-goto-max-level))))
- (org-refile-use-outline-path t)
- (org-refile-target-verify-function nil)
- (interface
- (if (not alternative-interface)
- org-goto-interface
- (if (eq org-goto-interface 'outline)
- 'outline-path-completion
- 'outline)))
- (org-goto-start-pos (point))
- (selected-point
- (if (eq interface 'outline) (car (org-goto-location))
- (let ((pa (org-refile-get-location "Goto")))
- (org-refile-check-position pa)
- (nth 3 pa)))))
- (if selected-point
- (progn
- (org-mark-ring-push org-goto-start-pos)
- (goto-char selected-point)
- (when (or (org-invisible-p) (org-invisible-p2))
- (org-show-context 'org-goto)))
- (message "Quit"))))
-
-(provide 'org-goto)
-
-;; Local variables:
-;; generated-autoload-file: "org-loaddefs.el"
-;; End:
-
-;;; org-goto.el ends here