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f8e1745440
Conflicts: contrib/lisp/org-favtable.el
334 lines
12 KiB
EmacsLisp
334 lines
12 KiB
EmacsLisp
;;; org-inlinetask.el --- Tasks independent of outline hierarchy
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;; Copyright (C) 2009-2014 Free Software Foundation, Inc.
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;;
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;; Author: Carsten Dominik <carsten at orgmode dot org>
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;; Keywords: outlines, hypermedia, calendar, wp
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;; Homepage: http://orgmode.org
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;;; Commentary:
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;;
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;; This module implements inline tasks in Org-mode. Inline tasks are
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;; tasks that have all the properties of normal outline nodes,
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;; including the ability to store meta data like scheduling dates,
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;; TODO state, tags and properties. However, these nodes are treated
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;; specially by the visibility cycling.
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;;
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;; Visibility cycling exempts these nodes from cycling. So whenever
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;; their parent is opened, so are these tasks. This will only work
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;; with `org-cycle', so if you are also using other commands to
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;; show/hide entries, you will occasionally find these tasks to behave
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;; like all other outline nodes, seemingly splitting the text of the
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;; parent into children.
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;;
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;; Special fontification of inline tasks, so that they can be
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;; immediately recognized. From the stars of the headline, only the
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;; first and the last two will be visible, the others will be hidden
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;; using the `org-hide' face.
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;;
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;; An inline task is identified solely by a minimum outline level,
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;; given by the variable `org-inlinetask-min-level', default 15.
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;;
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;; If you need to have a time planning line (DEADLINE etc), drawers,
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;; for example LOGBOOK of PROPERTIES, or even normal text as part of
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;; the inline task, you must add an "END" headline with the same
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;; number of stars.
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;;
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;; As an example, here are two valid inline tasks:
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;;
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;; **************** TODO a small task
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;;
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;; and
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;;
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;; **************** TODO another small task
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;; DEADLINE: <2009-03-30 Mon>
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;; :PROPERTIES:
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;; :SOMETHING: or other
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;; :END:
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;; And here is some extra text
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;; **************** END
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;;
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;; Also, if you want to use refiling and archiving for inline tasks,
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;; The END line must be present to make things work properly.
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;;
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;; Note that you should not try to use inline tasks within plain list,
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;; visibility cycling is known to be problematic when doing so.
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;;
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;; This package installs one new command:
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;;
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;; C-c C-x t Insert a new inline task with END line
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;;; Code:
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(require 'org)
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(defgroup org-inlinetask nil
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"Options concerning inline tasks in Org mode."
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:tag "Org Inline Tasks"
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:group 'org-structure)
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(defcustom org-inlinetask-min-level 15
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"Minimum level a headline must have before it is treated as an inline task.
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Don't set it to something higher than `29' or clocking will break since this
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is the hardcoded maximum number of stars `org-clock-sum' will work with.
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It is strongly recommended that you set `org-cycle-max-level' not at all,
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or to a number smaller than this one. In fact, when `org-cycle-max-level' is
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not set, it will be assumed to be one less than the value of smaller than
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the value of this variable."
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:group 'org-inlinetask
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:type '(choice
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(const :tag "Off" nil)
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(integer)))
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(defcustom org-inlinetask-show-first-star nil
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"Non-nil means display the first star of an inline task as additional marker.
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When nil, the first star is not shown."
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:tag "Org Inline Tasks"
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:group 'org-structure
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:type 'boolean)
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(defvar org-odd-levels-only)
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(defvar org-keyword-time-regexp)
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(defvar org-complex-heading-regexp)
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(defvar org-property-end-re)
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(defcustom org-inlinetask-default-state nil
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"Non-nil means make inline tasks have a TODO keyword initially.
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This should be the state `org-inlinetask-insert-task' should use by
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default, or nil of no state should be assigned."
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:group 'org-inlinetask
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:version "24.1"
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:type '(choice
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(const :tag "No state" nil)
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(string :tag "Specific state")))
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(defun org-inlinetask-insert-task (&optional no-state)
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"Insert an inline task.
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If prefix arg NO-STATE is set, ignore `org-inlinetask-default-state'."
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(interactive "P")
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;; Error when inside an inline task, except if point was at its very
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;; beginning, in which case the new inline task will be inserted
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;; before this one.
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(when (and (org-inlinetask-in-task-p)
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(not (and (org-inlinetask-at-task-p) (bolp))))
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(error "Cannot nest inline tasks"))
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(or (bolp) (newline))
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(let* ((indent (if org-odd-levels-only
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(1- (* 2 org-inlinetask-min-level))
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org-inlinetask-min-level))
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(indent-string (concat (make-string indent ?*) " ")))
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(insert indent-string
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(if (or no-state (not org-inlinetask-default-state))
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"\n"
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(concat org-inlinetask-default-state " \n"))
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indent-string "END\n"))
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(end-of-line -1))
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(define-key org-mode-map "\C-c\C-xt" 'org-inlinetask-insert-task)
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(defun org-inlinetask-outline-regexp ()
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"Return string matching an inline task heading.
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The number of levels is controlled by `org-inlinetask-min-level'."
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(let ((nstars (if org-odd-levels-only
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(1- (* org-inlinetask-min-level 2))
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org-inlinetask-min-level)))
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(format "^\\(\\*\\{%d,\\}\\)[ \t]+" nstars)))
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(defun org-inlinetask-at-task-p ()
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"Return true if point is at beginning of an inline task."
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(save-excursion
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(beginning-of-line)
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(and (looking-at (concat (org-inlinetask-outline-regexp) "\\(.*\\)"))
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(not (string-match "^end[ \t]*$" (downcase (match-string 2)))))))
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(defun org-inlinetask-in-task-p ()
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"Return true if point is inside an inline task."
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(save-excursion
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(beginning-of-line)
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(let* ((case-fold-search t)
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(stars-re (org-inlinetask-outline-regexp))
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(task-beg-re (concat stars-re "\\(?:.*\\)"))
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(task-end-re (concat stars-re "END[ \t]*$")))
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(or (org-looking-at-p task-beg-re)
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(and (re-search-forward "^\\*+[ \t]+" nil t)
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(progn (beginning-of-line) (org-looking-at-p task-end-re)))))))
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(defun org-inlinetask-goto-beginning ()
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"Go to the beginning of the inline task at point."
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(end-of-line)
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(let ((case-fold-search t)
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(inlinetask-re (org-inlinetask-outline-regexp)))
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(re-search-backward inlinetask-re nil t)
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(when (org-looking-at-p (concat inlinetask-re "END[ \t]*$"))
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(re-search-backward inlinetask-re nil t))))
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(defun org-inlinetask-goto-end ()
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"Go to the end of the inline task at point.
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Return point."
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(save-match-data
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(beginning-of-line)
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(let* ((case-fold-search t)
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(inlinetask-re (org-inlinetask-outline-regexp))
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(task-end-re (concat inlinetask-re "END[ \t]*$")))
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(cond
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((looking-at task-end-re) (forward-line))
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((looking-at inlinetask-re)
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(forward-line)
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(cond
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((looking-at task-end-re) (forward-line))
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((looking-at inlinetask-re))
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((org-inlinetask-in-task-p)
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(re-search-forward inlinetask-re nil t)
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(forward-line))))
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(t (re-search-forward inlinetask-re nil t)
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(forward-line)))
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(point))))
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(defun org-inlinetask-get-task-level ()
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"Get the level of the inline task around.
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This assumes the point is inside an inline task."
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(save-excursion
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(end-of-line)
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(re-search-backward (org-inlinetask-outline-regexp) nil t)
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(- (match-end 1) (match-beginning 1))))
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(defun org-inlinetask-promote ()
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"Promote the inline task at point.
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If the task has an end part, promote it. Also, prevents level from
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going below `org-inlinetask-min-level'."
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(interactive)
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(if (not (org-inlinetask-in-task-p))
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(error "Not in an inline task")
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(save-excursion
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(let* ((lvl (org-inlinetask-get-task-level))
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(next-lvl (org-get-valid-level lvl -1))
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(diff (- next-lvl lvl))
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(down-task (concat (make-string next-lvl ?*)))
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beg)
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(if (< next-lvl org-inlinetask-min-level)
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(error "Cannot promote an inline task at minimum level")
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(org-inlinetask-goto-beginning)
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(setq beg (point))
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(replace-match down-task nil t nil 1)
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(org-inlinetask-goto-end)
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(if (eobp) (beginning-of-line) (forward-line -1))
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(unless (= (point) beg)
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(replace-match down-task nil t nil 1)
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(when org-adapt-indentation
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(goto-char beg)
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(org-fixup-indentation diff))))))))
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(defun org-inlinetask-demote ()
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"Demote the inline task at point.
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If the task has an end part, also demote it."
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(interactive)
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(if (not (org-inlinetask-in-task-p))
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(error "Not in an inline task")
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(save-excursion
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(let* ((lvl (org-inlinetask-get-task-level))
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(next-lvl (org-get-valid-level lvl 1))
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(diff (- next-lvl lvl))
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(down-task (concat (make-string next-lvl ?*)))
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beg)
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(org-inlinetask-goto-beginning)
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(setq beg (point))
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(replace-match down-task nil t nil 1)
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(org-inlinetask-goto-end)
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(if (eobp) (beginning-of-line) (forward-line -1))
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(unless (= (point) beg)
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(replace-match down-task nil t nil 1)
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(when org-adapt-indentation
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(goto-char beg)
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(org-fixup-indentation diff)))))))
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(defun org-inlinetask-get-current-indentation ()
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"Get the indentation of the last non-while line above this one."
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(save-excursion
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(beginning-of-line 1)
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(skip-chars-backward " \t\n")
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(beginning-of-line 1)
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(or (org-at-item-p)
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(looking-at "[ \t]*"))
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(goto-char (match-end 0))
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(current-column)))
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(defvar org-indent-indentation-per-level) ; defined in org-indent.el
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(defface org-inlinetask
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(org-compatible-face 'shadow '((t (:bold t))))
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"Face for inlinetask headlines."
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:group 'org-faces)
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(defun org-inlinetask-fontify (limit)
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"Fontify the inline tasks down to LIMIT."
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(let* ((nstars (if org-odd-levels-only
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(1- (* 2 (or org-inlinetask-min-level 200)))
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(or org-inlinetask-min-level 200)))
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(re (concat "^\\(\\*\\)\\(\\*\\{"
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(format "%d" (- nstars 3))
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",\\}\\)\\(\\*\\* .*\\)"))
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;; Virtual indentation will add the warning face on the first
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;; star. Thus, in that case, only hide it.
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(start-face (if (and (org-bound-and-true-p org-indent-mode)
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(> org-indent-indentation-per-level 1))
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'org-hide
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'org-warning)))
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(while (re-search-forward re limit t)
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(if org-inlinetask-show-first-star
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(add-text-properties (match-beginning 1) (match-end 1)
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`(face ,start-face font-lock-fontified t)))
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(add-text-properties (match-beginning
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(if org-inlinetask-show-first-star 2 1))
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(match-end 2)
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'(face org-hide font-lock-fontified t))
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(add-text-properties (match-beginning 3) (match-end 3)
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'(face org-inlinetask font-lock-fontified t)))))
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(defun org-inlinetask-toggle-visibility ()
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"Toggle visibility of inline task at point."
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(let ((end (save-excursion
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(org-inlinetask-goto-end)
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(if (bolp) (1- (point)) (point))))
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(start (save-excursion
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(org-inlinetask-goto-beginning)
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(point-at-eol))))
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(cond
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;; Nothing to show/hide.
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((= end start))
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;; Inlinetask was folded: expand it.
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((get-char-property (1+ start) 'invisible)
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(outline-flag-region start end nil)
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(org-cycle-hide-drawers 'children))
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(t (outline-flag-region start end t)))))
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(defun org-inlinetask-remove-END-maybe ()
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"Remove an END line when present."
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(when (looking-at (format "\\([ \t]*\n\\)*\\*\\{%d,\\}[ \t]+END[ \t]*$"
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org-inlinetask-min-level))
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(replace-match "")))
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(eval-after-load "org"
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'(add-hook 'org-font-lock-hook 'org-inlinetask-fontify))
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(provide 'org-inlinetask)
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;;; org-inlinetask.el ends here
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