mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-24 10:38:38 +00:00
960 lines
34 KiB
EmacsLisp
960 lines
34 KiB
EmacsLisp
;;; todo-mode.el --- major mode for editing TODO list files
|
||
|
||
;; Copyright (C) 1997, 1999, 2001 Free Software Foundation, Inc.
|
||
|
||
;; Author: Oliver Seidel <os10000@seidel-space.de>
|
||
;; [Not clear the above works, July 2000]
|
||
;; Created: 2 Aug 1997
|
||
;; Keywords: calendar, todo
|
||
|
||
;; 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 2, 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; see the file COPYING. If not, write to the
|
||
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
;; Boston, MA 02111-1307, USA.
|
||
|
||
;; ---------------------------------------------------------------------------
|
||
|
||
;;; Commentary:
|
||
|
||
;; Mode Description
|
||
;;
|
||
;; TODO is a major mode for EMACS which offers functionality to
|
||
;; treat most lines in one buffer as a list of items one has to
|
||
;; do. There are facilities to add new items, which are
|
||
;; categorised, to edit or even delete items from the buffer.
|
||
;; The buffer contents are currently compatible with the diary,
|
||
;; so that the list of todo-items will show up in the FANCY diary
|
||
;; mode.
|
||
;;
|
||
;; Notice: Besides the major mode, this file also exports the
|
||
;; function `todo-show' which will change to the one specific
|
||
;; TODO file that has been specified in the todo-file-do
|
||
;; variable. If this file does not conform to the TODO mode
|
||
;; conventions, the todo-show function will add the appropriate
|
||
;; header and footer. I don't anticipate this to cause much
|
||
;; grief, but be warned, in case you attempt to read a plain text
|
||
;; file.
|
||
;;
|
||
;; Preface, Quickstart Installation
|
||
;;
|
||
;; To get this to work, make emacs execute the line
|
||
;;
|
||
;; (autoload 'todo-mode "todo-mode"
|
||
;; "Major mode for editing TODO lists." t)
|
||
;; (autoload 'todo-show "todo-mode"
|
||
;; "Show TODO items." t)
|
||
;; (autoload 'todo-insert-item "todo-mode"
|
||
;; "Add TODO item." t)
|
||
;;
|
||
;; You may now enter new items by typing "M-x todo-insert-item",
|
||
;; or enter your TODO list file by typing "M-x todo-show".
|
||
;;
|
||
;; The TODO list file has a special format and some auxiliary
|
||
;; information, which will be added by the todo-show function if
|
||
;; it attempts to visit an un-initialised file. Hence it is
|
||
;; recommended to use the todo-show function for the first time,
|
||
;; in order to initialise the file, but it is not necessary
|
||
;; afterwards.
|
||
;;
|
||
;; As these commands are quite long to type, I would recommend
|
||
;; the addition of two bindings to your to your global keymap. I
|
||
;; personally have the following in my initialisation file:
|
||
;;
|
||
;; (global-set-key "\C-ct" 'todo-show) ;; switch to TODO buffer
|
||
;; (global-set-key "\C-ci" 'todo-insert-item) ;; insert new item
|
||
;;
|
||
;; Note, however, that this recommendation has prompted some
|
||
;; criticism, since the keys C-c LETTER are reserved for user
|
||
;; functions. I believe my recommendation is acceptable, since
|
||
;; the Emacs Lisp Manual *Tips* section also details that the
|
||
;; mode itself should not bind any functions to those keys. The
|
||
;; express aim of the above two bindings is to work outside the
|
||
;; mode, which doesn't need the show function and offers a
|
||
;; different binding for the insert function. They serve as
|
||
;; shortcuts and are not even needed (since the TODO mode will be
|
||
;; entered by visiting the TODO file, and later by switching to
|
||
;; its buffer).
|
||
;;
|
||
;; If you are an advanced user of this package, please consult
|
||
;; the whole source code for autoloads, because there are several
|
||
;; extensions that are not explicitly listed in the above quick
|
||
;; installation.
|
||
;;
|
||
;; Pre-Requisites
|
||
;;
|
||
;; This package will require the following packages to be
|
||
;; available on the load-path:
|
||
;;
|
||
;; time-stamp
|
||
;; easymenu
|
||
;;
|
||
;; Operation
|
||
;;
|
||
;; You will have the following facilities available:
|
||
;;
|
||
;; M-x todo-show will enter the todo list screen, here type
|
||
;;
|
||
;; + to go to next category
|
||
;; - to go to previous category
|
||
;; d to file the current entry, including a
|
||
;; comment and timestamp
|
||
;; e to edit the current entry
|
||
;; E to edit a multi-line entry
|
||
;; f to file the current entry, including a
|
||
;; comment and timestamp
|
||
;; i to insert a new entry, with prefix, omit category
|
||
;; I to insert a new entry at current cursor position
|
||
;; j jump to category
|
||
;; k to kill the current entry
|
||
;; l to lower the current entry's priority
|
||
;; n for the next entry
|
||
;; p for the previous entry
|
||
;; P print
|
||
;; q to save the list and exit the buffer
|
||
;; r to raise the current entry's priority
|
||
;; s to save the list
|
||
;; S to save the list of top priorities
|
||
;; t show top priority items for each category
|
||
;;
|
||
;; When you add a new entry, you are asked for the text and then
|
||
;; for the category. I for example have categories for things
|
||
;; that I want to do in the office (like mail my mum), that I
|
||
;; want to do in town (like buy cornflakes) and things I want to
|
||
;; do at home (move my suitcases). The categories can be
|
||
;; selected with the cursor keys and if you type in the name of a
|
||
;; category which didn't exist before, an empty category of the
|
||
;; desired name will be added and filled with the new entry.
|
||
;;
|
||
;; Configuration
|
||
;;
|
||
;; Variable todo-prefix
|
||
;;
|
||
;; I would like to recommend that you use the prefix "*/*" (by
|
||
;; leaving the variable 'todo-prefix' untouched) so that the
|
||
;; diary displays each entry every day.
|
||
;;
|
||
;; To understand what I mean, please read the documentation that
|
||
;; goes with the calendar since that will tell you how you can
|
||
;; set up the fancy diary display and use the #include command to
|
||
;; include your todo list file as part of your diary.
|
||
;;
|
||
;; If you have the diary package set up to usually display more
|
||
;; than one day's entries at once, consider using
|
||
;;
|
||
;; "&%%(equal (calendar-current-date) date)"
|
||
;;
|
||
;; as the value of `todo-prefix'. Please note that this may slow
|
||
;; down the processing of your diary file some.
|
||
;;
|
||
;; Carsten Dominik <dominik@strw.LeidenUniv.nl> suggested that
|
||
;;
|
||
;; "&%%(todo-cp)"
|
||
;;
|
||
;; might be nicer and to that effect a function has been declared
|
||
;; further down in the code. You may wish to auto-load this.
|
||
;;
|
||
;; Carsten also writes that that *changing* the prefix after the
|
||
;; todo list is already established is not as simple as changing
|
||
;; the variable - the todo files have to be changed by hand.
|
||
;;
|
||
;; Variable todo-file-do
|
||
;;
|
||
;; This variable is fairly self-explanatory. You have to store
|
||
;; your TODO list somewhere. This variable tells the package
|
||
;; where to go and find this file.
|
||
;;
|
||
;; Variable todo-file-done
|
||
;;
|
||
;; Even when you're done, you may wish to retain the entries.
|
||
;; Given that they're timestamped and you are offered to add a
|
||
;; comment, this can make a useful diary of past events. It will
|
||
;; even blend in with the EMACS diary package. So anyway, this
|
||
;; variable holds the name of the file for the filed todo-items.
|
||
;;
|
||
;; Variable todo-file-top
|
||
;;
|
||
;; File storing the top priorities of your TODO list when
|
||
;; todo-save-top-priorities is non-nil. Nice to include in your
|
||
;; diary instead of the complete TODO list.
|
||
;;
|
||
;; Variable todo-mode-hook
|
||
;;
|
||
;; Just like other modes, too, this mode offers to call your
|
||
;; functions before it goes about its business. This variable
|
||
;; will be inspected for any functions you may wish to have
|
||
;; called once the other TODO mode preparations have been
|
||
;; completed.
|
||
;;
|
||
;; Variable todo-insert-threshold
|
||
;;
|
||
;; Another nifty feature is the insertion accuracy. If you have
|
||
;; 8 items in your TODO list, then you may get asked 4 questions
|
||
;; by the binary insertion algorithm. However, you may not
|
||
;; really have a need for such accurate priorities amongst your
|
||
;; TODO items. If you now think about the binary insertion
|
||
;; halfing the size of the window each time, then the threshhold
|
||
;; is the window size at which it will stop. If you set the
|
||
;; threshhold to zero, the upper and lower bound will coincide at
|
||
;; the end of the loop and you will insert your item just before
|
||
;; that point. If you set the threshhold to, e.g. 8, it will stop
|
||
;; as soon as the window size drops below that amount and will
|
||
;; insert the item in the approximate centre of that window. I
|
||
;; got the idea for this feature after reading a very helpful
|
||
;; e-mail reply from Trey Jackson <trey@cs.berkeley.edu> who
|
||
;; corrected some of my awful coding and pointed me towards some
|
||
;; good reading. Thanks Trey!
|
||
;;
|
||
;; Things to do
|
||
;;
|
||
;; These originally were my ideas, but now also include all the
|
||
;; suggestions that I included before forgetting them:
|
||
;;
|
||
;; o Fancy fonts for todo/top-priority buffer
|
||
;; o Remove todo-prefix option in todo-top-priorities
|
||
;; o Rename category
|
||
;; o Move entry from one category to another one
|
||
;; o Entries which both have the generic */* prefix and a
|
||
;; "deadline" entry which are understood by diary, indicating
|
||
;; an event (unless marked by &)
|
||
;; o The optional COUNT variable of todo-forward-item should be
|
||
;; applied to the other functions performing similar tasks
|
||
;; o Modularization could be done for repeaded elements of
|
||
;; the code, like the completing-read lines of code.
|
||
;; o license / version function
|
||
;; o export to diary file
|
||
;; o todo-report-bug
|
||
;; o GNATS support
|
||
;; o elide multiline (as in bbdb, or, to a lesser degree, in
|
||
;; outline mode)
|
||
;; o rewrite complete package to store data as lisp objects
|
||
;; and have display modes for display, for diary export,
|
||
;; etc. (Richard Stallman pointed out this is a bad idea)
|
||
;; o so base todo-mode.el on generic-mode.el instead
|
||
;;
|
||
;; History and Gossip
|
||
;;
|
||
;; Many thanks to all the ones who have contributed to the
|
||
;; evolution of this package! I hope I have listed all of you
|
||
;; somewhere in the documentation or at least in the RCS history!
|
||
;;
|
||
;; Enjoy this package and express your gratitude by sending nice
|
||
;; things to my parents' address!
|
||
;;
|
||
;; Oliver Seidel
|
||
;; (Lessingstr. 8, 65760 Eschborn, Federal Republic of Germany)
|
||
|
||
;;; Code:
|
||
|
||
(require 'time-stamp)
|
||
|
||
|
||
;; User-configurable variables:
|
||
|
||
(defgroup todo nil
|
||
"Maintain a list of todo items."
|
||
:link '(emacs-commentary-link "todo-mode")
|
||
:version "21.1"
|
||
:group 'calendar)
|
||
|
||
(defcustom todo-prefix "*/*"
|
||
"*TODO mode prefix for entries.
|
||
|
||
This is useful in conjunction with `calendar' and `diary' if you use
|
||
|
||
#include \"~/.todo-do\"
|
||
|
||
in your diary file to include your todo list file as part of your
|
||
diary. With the default value \"*/*\" the diary displays each entry
|
||
every day and it may also be marked on every day of the calendar.
|
||
Using \"&%%(equal (calendar-current-date) date)\" instead will only
|
||
show and mark todo entreis for today, but may slow down processing of
|
||
the diary file somewhat."
|
||
:type 'string
|
||
:group 'todo)
|
||
(defcustom todo-file-do "~/.todo-do"
|
||
"*TODO mode list file."
|
||
:type 'file
|
||
:group 'todo)
|
||
(defcustom todo-file-done "~/.todo-done"
|
||
"*TODO mode archive file."
|
||
:type 'file
|
||
:group 'todo)
|
||
(defcustom todo-mode-hook nil
|
||
"*TODO mode hooks."
|
||
:type 'hook
|
||
:group 'todo)
|
||
(defcustom todo-edit-mode-hook nil
|
||
"*TODO Edit mode hooks."
|
||
:type 'hook
|
||
:group 'todo)
|
||
(defcustom todo-insert-threshold 0
|
||
"*TODO mode insertion accuracy.
|
||
|
||
If you have 8 items in your TODO list, then you may get asked 4
|
||
questions by the binary insertion algorithm. However, you may not
|
||
really have a need for such accurate priorities amongst your TODO
|
||
items. If you now think about the binary insertion halfing the size
|
||
of the window each time, then the threshhold is the window size at
|
||
which it will stop. If you set the threshhold to zero, the upper and
|
||
lower bound will coincide at the end of the loop and you will insert
|
||
your item just before that point. If you set the threshhold to,
|
||
e.g. 8, it will stop as soon as the window size drops below that
|
||
amount and will insert the item in the approximate center of that
|
||
window."
|
||
:type 'integer
|
||
:group 'todo)
|
||
(defvar todo-edit-buffer " *TODO Edit*"
|
||
"TODO Edit buffer name.")
|
||
(defcustom todo-file-top "~/.todo-top"
|
||
"*TODO mode top priorities file.
|
||
|
||
Not in TODO format, but diary compatible.
|
||
Automatically generated when `todo-save-top-priorities' is non-nil."
|
||
:type 'string
|
||
:group 'todo)
|
||
|
||
(defcustom todo-print-function 'ps-print-buffer-with-faces
|
||
"*Function to print the current buffer."
|
||
:type 'symbol
|
||
:group 'todo)
|
||
(defcustom todo-show-priorities 1
|
||
"*Default number of priorities to show by \\[todo-top-priorities].
|
||
0 means show all entries."
|
||
:type 'integer
|
||
:group 'todo)
|
||
(defcustom todo-print-priorities 0
|
||
"*Default number of priorities to print by \\[todo-print].
|
||
0 means print all entries."
|
||
:type 'integer
|
||
:group 'todo)
|
||
(defcustom todo-remove-separator t
|
||
"*Non-nil to remove category separators in\
|
||
\\[todo-top-priorities] and \\[todo-print]."
|
||
:type 'boolean
|
||
:group 'todo)
|
||
(defcustom todo-save-top-priorities-too t
|
||
"*Non-nil makes `todo-save' automatically save top-priorities in `todo-file-top'."
|
||
:type 'boolean
|
||
:group 'todo)
|
||
|
||
;; Thanks for the ISO time stamp format go to Karl Eichwalder <ke@suse.de>
|
||
;; My format string for the appt.el package is "%3b %2d, %y, %02I:%02M%p".
|
||
;;
|
||
(defcustom todo-time-string-format
|
||
"%:y-%02m-%02d %02H:%02M"
|
||
"*TODO mode time string format for done entries.
|
||
For details see the variable `time-stamp-format'."
|
||
:type 'string
|
||
:group 'todo)
|
||
|
||
(defcustom todo-entry-prefix-function 'todo-entry-timestamp-initials
|
||
"*Function producing text to insert at start of todo entry."
|
||
:type 'symbol
|
||
:group 'todo)
|
||
(defcustom todo-initials (or (getenv "INITIALS") (user-login-name))
|
||
"*Initials of todo item author."
|
||
:type 'string
|
||
:group 'todo)
|
||
|
||
(defun todo-entry-timestamp-initials ()
|
||
"Prepend timestamp and your initials to the head of a TODO entry."
|
||
(let ((time-stamp-format todo-time-string-format))
|
||
(concat (time-stamp-string) " " todo-initials ": ")))
|
||
|
||
;; ---------------------------------------------------------------------------
|
||
|
||
;; Set up some helpful context ...
|
||
|
||
(defvar todo-categories nil
|
||
"TODO categories.")
|
||
|
||
(defvar todo-cats nil
|
||
"Old variable for holding the TODO categories.
|
||
Use `todo-categories' instead.")
|
||
|
||
(defvar todo-previous-line 0
|
||
"Previous line asked about.")
|
||
|
||
(defvar todo-previous-answer 0
|
||
"Previous answer got.")
|
||
|
||
(defvar todo-mode-map
|
||
(let ((map (make-keymap)))
|
||
(suppress-keymap map t)
|
||
(define-key map "+" 'todo-forward-category)
|
||
(define-key map "-" 'todo-backward-category)
|
||
(define-key map "d" 'todo-file-item) ;done/delete
|
||
(define-key map "e" 'todo-edit-item)
|
||
(define-key map "E" 'todo-edit-multiline)
|
||
(define-key map "f" 'todo-file-item)
|
||
(define-key map "i" 'todo-insert-item)
|
||
(define-key map "I" 'todo-insert-item-here)
|
||
(define-key map "j" 'todo-jump-to-category)
|
||
(define-key map "k" 'todo-delete-item)
|
||
(define-key map "l" 'todo-lower-item)
|
||
(define-key map "n" 'todo-forward-item)
|
||
(define-key map "p" 'todo-backward-item)
|
||
(define-key map "P" 'todo-print)
|
||
(define-key map "q" 'todo-quit)
|
||
(define-key map "r" 'todo-raise-item)
|
||
(define-key map "s" 'todo-save)
|
||
(define-key map "S" 'todo-save-top-priorities)
|
||
(define-key map "t" 'todo-top-priorities)
|
||
map)
|
||
"TODO mode keymap.")
|
||
|
||
(defvar todo-category-number 0 "TODO category number.")
|
||
|
||
(defvar todo-tmp-buffer-name " *todo tmp*")
|
||
|
||
(defvar todo-category-sep (make-string 75 ?-)
|
||
"Category separator.")
|
||
|
||
(defvar todo-category-beg " --- "
|
||
"Category start separator to be prepended onto category name.")
|
||
|
||
(defvar todo-category-end "--- End"
|
||
"Separator after a category.")
|
||
|
||
(defvar todo-header "-*- mode: todo; "
|
||
"Header of todo files.")
|
||
|
||
;; ---------------------------------------------------------------------------
|
||
|
||
(defun todo-category-select ()
|
||
"Make TODO mode display the current category correctly."
|
||
(let ((name (nth todo-category-number todo-categories)))
|
||
(setq mode-line-buffer-identification
|
||
;; (concat "Category: " name))
|
||
(concat "Category: " (format "%18s" name)))
|
||
(widen)
|
||
(goto-char (point-min))
|
||
(search-forward-regexp
|
||
(concat "^"
|
||
(regexp-quote (concat todo-prefix todo-category-beg name))
|
||
"$"))
|
||
(let ((begin (1+ (line-end-position))))
|
||
(search-forward-regexp (concat "^" todo-category-end))
|
||
(narrow-to-region begin (line-beginning-position))
|
||
(goto-char (point-min)))))
|
||
(defalias 'todo-cat-slct 'todo-category-select)
|
||
|
||
(defun todo-forward-category ()
|
||
"Go forward to TODO list of next category."
|
||
(interactive)
|
||
(setq todo-category-number
|
||
(mod (1+ todo-category-number) (length todo-categories)))
|
||
(todo-category-select))
|
||
(defalias 'todo-cmd-forw 'todo-forward-category)
|
||
|
||
(defun todo-backward-category ()
|
||
"Go back to TODO list of previous category."
|
||
(interactive)
|
||
(setq todo-category-number
|
||
(mod (1- todo-category-number) (length todo-categories)))
|
||
(todo-category-select))
|
||
(defalias 'todo-cmd-back 'todo-backward-category)
|
||
|
||
(defun todo-backward-item ()
|
||
"Select previous entry of TODO list."
|
||
(interactive)
|
||
(search-backward-regexp (concat "^" (regexp-quote todo-prefix)) nil t)
|
||
(message ""))
|
||
(defalias 'todo-cmd-prev 'todo-backward-item)
|
||
|
||
(defun todo-forward-item (&optional count)
|
||
"Select COUNT-th next entry of TODO list."
|
||
(interactive "P")
|
||
(if (listp count) (setq count (car count)))
|
||
(end-of-line)
|
||
(search-forward-regexp (concat "^" (regexp-quote todo-prefix))
|
||
nil 'goto-end count)
|
||
(beginning-of-line)
|
||
(message ""))
|
||
(defalias 'todo-cmd-next 'todo-forward-item)
|
||
|
||
(defun todo-save ()
|
||
"Save the TODO list."
|
||
(interactive)
|
||
(save-excursion
|
||
(save-restriction
|
||
(save-buffer)))
|
||
(if todo-save-top-priorities-too (todo-save-top-priorities)))
|
||
(defalias 'todo-cmd-save 'todo-save)
|
||
|
||
(defun todo-quit ()
|
||
"Done with TODO list for now."
|
||
(interactive)
|
||
(widen)
|
||
(todo-save)
|
||
(message "")
|
||
(bury-buffer))
|
||
(defalias 'todo-cmd-done 'todo-quit)
|
||
|
||
(defun todo-edit-item ()
|
||
"Edit current TODO list entry."
|
||
(interactive)
|
||
(let ((item (todo-item-string)))
|
||
(if (todo-string-multiline-p item)
|
||
(todo-edit-multiline)
|
||
(let ((new (read-from-minibuffer "Edit: " item)))
|
||
(todo-remove-item)
|
||
(insert new "\n")
|
||
(todo-backward-item)
|
||
(message "")))))
|
||
(defalias 'todo-cmd-edit 'todo-edit-item)
|
||
|
||
(defun todo-edit-multiline ()
|
||
"Set up a buffer for editing a multiline TODO list entry."
|
||
(interactive)
|
||
(let ((buffer-name (generate-new-buffer-name todo-edit-buffer)))
|
||
(switch-to-buffer
|
||
(make-indirect-buffer
|
||
(file-name-nondirectory todo-file-do) buffer-name))
|
||
(message "To exit, simply kill this buffer and return to list.")
|
||
(todo-edit-mode)
|
||
(narrow-to-region (todo-item-start) (todo-item-end))))
|
||
|
||
;;;###autoload
|
||
(defun todo-add-category (cat)
|
||
"Add new category CAT to the TODO list."
|
||
(interactive "sCategory: ")
|
||
(save-window-excursion
|
||
(setq todo-categories (cons cat todo-categories))
|
||
(find-file todo-file-do)
|
||
(widen)
|
||
(goto-char (point-min))
|
||
(let ((posn (search-forward "-*- mode: todo; " 17 t)))
|
||
(if (not (null posn)) (goto-char posn))
|
||
(if (equal posn nil)
|
||
(progn
|
||
(insert "-*- mode: todo; \n")
|
||
(forward-char -1))
|
||
(kill-line)))
|
||
(insert (format "todo-categories: %S; -*-" todo-categories))
|
||
(forward-char 1)
|
||
(insert (format "%s%s%s\n%s\n%s %s\n"
|
||
todo-prefix todo-category-beg cat
|
||
todo-category-end
|
||
todo-prefix todo-category-sep)))
|
||
0)
|
||
|
||
;;;###autoload
|
||
(defun todo-add-item-non-interactively (new-item category)
|
||
"Insert NEW-ITEM in TODO list as a new entry in CATEGORY."
|
||
(save-excursion
|
||
(todo-show))
|
||
(save-excursion
|
||
(if (string= "" category)
|
||
(setq category (nth todo-category-number todo-categories)))
|
||
(let ((cat-exists (member category todo-categories)))
|
||
(setq todo-category-number
|
||
(if cat-exists
|
||
(- (length todo-categories) (length cat-exists))
|
||
(todo-add-category category))))
|
||
(todo-show)
|
||
(setq todo-previous-line 0)
|
||
(let ((top 1)
|
||
(bottom (1+ (count-lines (point-min) (point-max)))))
|
||
(while (> (- bottom top) todo-insert-threshold)
|
||
(let* ((current (/ (+ top bottom) 2))
|
||
(answer (if (< current bottom)
|
||
(todo-more-important-p current) nil)))
|
||
(if answer
|
||
(setq bottom current)
|
||
(setq top (1+ current)))))
|
||
(setq top (/ (+ top bottom) 2))
|
||
;; goto-line doesn't have the desired behavior in a narrowed buffer
|
||
(goto-char (point-min))
|
||
(forward-line (1- top)))
|
||
(insert new-item "\n")
|
||
(todo-backward-item)
|
||
(todo-save)
|
||
(message "")))
|
||
|
||
;;;###autoload
|
||
(defun todo-insert-item (arg)
|
||
"Insert new TODO list entry.
|
||
With a prefix argument solicit the category, otherwise use the current
|
||
category."
|
||
(interactive "P")
|
||
(save-excursion
|
||
(if (not (string-equal mode-name "TODO")) (todo-show))
|
||
(let* ((new-item (concat todo-prefix " "
|
||
(read-from-minibuffer
|
||
"New TODO entry: "
|
||
(if todo-entry-prefix-function
|
||
(funcall todo-entry-prefix-function)))))
|
||
(categories todo-categories)
|
||
(history (cons 'categories (1+ todo-category-number)))
|
||
(current-category (nth todo-category-number todo-categories))
|
||
(category
|
||
(if arg
|
||
current-category
|
||
(completing-read (concat "Category [" current-category "]: ")
|
||
(todo-category-alist) nil nil nil
|
||
history current-category))))
|
||
(todo-add-item-non-interactively new-item category))))
|
||
|
||
(defalias 'todo-cmd-inst 'todo-insert-item)
|
||
|
||
(defun todo-insert-item-here ()
|
||
"Insert new TODO list entry under the cursor."
|
||
(interactive "")
|
||
(save-excursion
|
||
(if (not (string-equal mode-name "TODO")) (todo-show))
|
||
(let* ((new-item (concat todo-prefix " "
|
||
(read-from-minibuffer
|
||
"New TODO entry: "
|
||
(if todo-entry-prefix-function
|
||
(funcall todo-entry-prefix-function))))))
|
||
(insert (concat new-item "\n")))))
|
||
|
||
(defun todo-more-important-p (line)
|
||
"Ask whether entry is more important than the one at LINE."
|
||
(if (not (equal todo-previous-line line))
|
||
(progn
|
||
(setq todo-previous-line line)
|
||
(goto-char (point-min))
|
||
(forward-line (1- todo-previous-line))
|
||
(let ((item (todo-item-string-start)))
|
||
(setq todo-previous-answer
|
||
(y-or-n-p (concat "More important than '" item "'? "))))))
|
||
todo-previous-answer)
|
||
(defalias 'todo-ask-p 'todo-more-important-p)
|
||
|
||
(defun todo-delete-item ()
|
||
"Delete current TODO list entry."
|
||
(interactive)
|
||
(if (> (count-lines (point-min) (point-max)) 0)
|
||
(let* ((todo-entry (todo-item-string-start))
|
||
(todo-answer (y-or-n-p (concat "Permanently remove '"
|
||
todo-entry "'? "))))
|
||
(if todo-answer
|
||
(progn
|
||
(todo-remove-item)
|
||
(todo-backward-item)))
|
||
(message ""))
|
||
(error "No TODO list entry to delete")))
|
||
(defalias 'todo-cmd-kill 'todo-delete-item)
|
||
|
||
(defun todo-raise-item ()
|
||
"Raise priority of current entry."
|
||
(interactive)
|
||
(if (> (count-lines (point-min) (point)) 0)
|
||
(let ((item (todo-item-string)))
|
||
(todo-remove-item)
|
||
(todo-backward-item)
|
||
(save-excursion
|
||
(insert item "\n"))
|
||
(message ""))
|
||
(error "No TODO list entry to raise")))
|
||
(defalias 'todo-cmd-rais 'todo-raise-item)
|
||
|
||
(defun todo-lower-item ()
|
||
"Lower priority of current entry."
|
||
(interactive)
|
||
(if (> (count-lines (point) (point-max)) 1)
|
||
;; Assume there is a final newline
|
||
(let ((item (todo-item-string)))
|
||
(todo-remove-item)
|
||
(todo-forward-item)
|
||
(save-excursion
|
||
(insert item "\n"))
|
||
(message ""))
|
||
(error "No TODO list entry to lower")))
|
||
(defalias 'todo-cmd-lowr 'todo-lower-item)
|
||
|
||
(defun todo-file-item (&optional comment)
|
||
"File the current TODO list entry away, annotated with an optional COMMENT."
|
||
(interactive "sComment: ")
|
||
(or (> (count-lines (point-min) (point-max)) 0)
|
||
(error "No TODO list entry to file away"))
|
||
(let ((time-stamp-format todo-time-string-format))
|
||
(if (and comment (> (length comment) 0))
|
||
(progn
|
||
(goto-char (todo-item-end))
|
||
(insert
|
||
(if (save-excursion (beginning-of-line)
|
||
(looking-at (regexp-quote todo-prefix)))
|
||
" "
|
||
"\n\t")
|
||
"(" comment ")")))
|
||
(goto-char (todo-item-end))
|
||
(insert " [" (nth todo-category-number todo-categories) "]")
|
||
(goto-char (todo-item-start))
|
||
(let ((temp-point (point)))
|
||
(if (looking-at (regexp-quote todo-prefix))
|
||
(replace-match (time-stamp-string))
|
||
;; Standard prefix -> timestamp
|
||
;; Else prefix non-standard item start with timestamp
|
||
(insert (time-stamp-string)))
|
||
(append-to-file temp-point (1+ (todo-item-end)) todo-file-done)
|
||
(delete-region temp-point (1+ (todo-item-end))))
|
||
(todo-backward-item)
|
||
(message "")))
|
||
|
||
;; ---------------------------------------------------------------------------
|
||
|
||
;; Utility functions:
|
||
|
||
|
||
;;;###autoload
|
||
(defun todo-top-priorities (&optional nof-priorities category-pr-page)
|
||
"List top priorities for each category.
|
||
|
||
Number of entries for each category is given by NOF-PRIORITIES which
|
||
defaults to \'todo-show-priorities\'.
|
||
|
||
If CATEGORY-PR-PAGE is non-nil, a page separator \'^L\' is inserted
|
||
between each category."
|
||
|
||
(interactive "P")
|
||
(or nof-priorities (setq nof-priorities todo-show-priorities))
|
||
(if (listp nof-priorities) ;universal argument
|
||
(setq nof-priorities (car nof-priorities)))
|
||
(let ((todo-print-buffer-name todo-tmp-buffer-name)
|
||
;;(todo-print-category-number 0)
|
||
(todo-category-break (if category-pr-page "" ""))
|
||
(cat-end
|
||
(concat
|
||
(if todo-remove-separator
|
||
(concat todo-category-end "\n"
|
||
(regexp-quote todo-prefix) " " todo-category-sep "\n")
|
||
(concat todo-category-end "\n"))))
|
||
beg end)
|
||
(todo-show)
|
||
(save-excursion
|
||
(save-restriction
|
||
(widen)
|
||
(copy-to-buffer todo-print-buffer-name (point-min) (point-max))
|
||
(set-buffer todo-print-buffer-name)
|
||
(goto-char (point-min))
|
||
(when (re-search-forward (regexp-quote todo-header) nil t)
|
||
(beginning-of-line 1)
|
||
(delete-region (point) (line-end-position)))
|
||
(while (re-search-forward ;Find category start
|
||
(regexp-quote (concat todo-prefix todo-category-beg))
|
||
nil t)
|
||
(setq beg (+ (line-end-position) 1)) ;Start of first entry.
|
||
(re-search-forward cat-end nil t)
|
||
(setq end (match-beginning 0))
|
||
(replace-match todo-category-break)
|
||
(narrow-to-region beg end) ;In case we have too few entries.
|
||
(goto-char (point-min))
|
||
(if (= 0 nof-priorities) ;Traverse entries.
|
||
(goto-char end) ;All entries
|
||
(todo-forward-item nof-priorities))
|
||
(setq beg (point))
|
||
(delete-region beg end)
|
||
(widen))
|
||
(and (looking-at "") (replace-match "")) ;Remove trailing form-feed.
|
||
(goto-char (point-min)) ;Due to display buffer
|
||
))
|
||
;; Could have used switch-to-buffer as it has a norecord argument,
|
||
;; which is nice when we are called from e.g. todo-print.
|
||
;; Else we could have used pop-to-buffer.
|
||
(display-buffer todo-print-buffer-name)
|
||
(message "Type C-x 1 to remove %s window. M-C-v to scroll the help."
|
||
todo-print-buffer-name)))
|
||
|
||
(defun todo-save-top-priorities (&optional nof-priorities)
|
||
"Save top priorities for each category in `todo-file-top'.
|
||
|
||
Number of entries for each category is given by NOF-PRIORITIES which
|
||
defaults to `todo-show-priorities'."
|
||
(interactive "P")
|
||
(save-window-excursion
|
||
(save-excursion
|
||
(save-restriction
|
||
(todo-top-priorities nof-priorities)
|
||
(set-buffer todo-tmp-buffer-name)
|
||
(write-file todo-file-top)
|
||
(kill-this-buffer)))))
|
||
|
||
;;;###autoload
|
||
(defun todo-print (&optional category-pr-page)
|
||
"Print todo summary using `todo-print-function'.
|
||
If CATEGORY-PR-PAGE is non-nil, a page separator `^L' is inserted
|
||
between each category.
|
||
|
||
Number of entries for each category is given by `todo-print-priorities'."
|
||
(interactive "P")
|
||
(save-window-excursion
|
||
(save-excursion
|
||
(save-restriction
|
||
(todo-top-priorities todo-print-priorities
|
||
category-pr-page)
|
||
(set-buffer todo-tmp-buffer-name)
|
||
(and (funcall todo-print-function)
|
||
(kill-this-buffer))
|
||
(message "Todo printing done.")))))
|
||
|
||
(defun todo-jump-to-category ()
|
||
"Jump to a category. Default is previous category."
|
||
(interactive)
|
||
(let* ((categories todo-categories)
|
||
(history (cons 'categories (1+ todo-category-number)))
|
||
(default (nth todo-category-number todo-categories))
|
||
(category (completing-read
|
||
(concat "Category [" default "]: ")
|
||
(todo-category-alist) nil nil nil history default)))
|
||
(if (string= "" category)
|
||
(setq category (nth todo-category-number todo-categories)))
|
||
(setq todo-category-number
|
||
(if (member category todo-categories)
|
||
(- (length todo-categories)
|
||
(length (member category todo-categories)))
|
||
(todo-add-category category)))
|
||
(todo-show)))
|
||
|
||
(defun todo-line-string ()
|
||
"Return current line in buffer as a string."
|
||
(buffer-substring (line-beginning-position) (line-end-position)))
|
||
|
||
(defun todo-item-string-start ()
|
||
"Return the start of this TODO list entry as a string."
|
||
;; Suitable for putting in the minibuffer when asking the user
|
||
(let ((item (todo-item-string)))
|
||
(if (> (length item) 60)
|
||
(setq item (concat (substring item 0 56) "...")))
|
||
item))
|
||
|
||
(defun todo-item-start ()
|
||
"Return point at start of current TODO list item."
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(if (not (looking-at (regexp-quote todo-prefix)))
|
||
(search-backward-regexp
|
||
(concat "^" (regexp-quote todo-prefix)) nil t))
|
||
(point)))
|
||
|
||
(defun todo-item-end ()
|
||
"Return point at end of current TODO list item."
|
||
(save-excursion
|
||
(end-of-line)
|
||
(search-forward-regexp
|
||
(concat "^" (regexp-quote todo-prefix)) nil 'goto-end)
|
||
(1- (line-beginning-position))))
|
||
|
||
(defun todo-remove-item ()
|
||
"Delete the current entry from the TODO list."
|
||
(delete-region (todo-item-start) (1+ (todo-item-end))))
|
||
|
||
(defun todo-item-string ()
|
||
"Return current TODO list entry as a string."
|
||
(buffer-substring (todo-item-start) (todo-item-end)))
|
||
|
||
(defun todo-string-count-lines (string)
|
||
"Return the number of lines STRING spans."
|
||
(length (split-string string "\n")))
|
||
|
||
(defun todo-string-multiline-p (string)
|
||
"Return non-nil if STRING spans several lines."
|
||
(> (todo-string-count-lines string) 1))
|
||
|
||
(defun todo-category-alist ()
|
||
"Generate an alist for use in `completing-read' from `todo-categories'."
|
||
(mapcar #'list todo-categories))
|
||
|
||
;; ---------------------------------------------------------------------------
|
||
|
||
(easy-menu-define todo-menu todo-mode-map "Todo Menu"
|
||
'("Todo"
|
||
["Next category" todo-forward-category t]
|
||
["Previous category" todo-backward-category t]
|
||
["Jump to category" todo-jump-to-category t]
|
||
["Show top priority items" todo-top-priorities t]
|
||
["Print categories" todo-print t]
|
||
"---"
|
||
["Edit item" todo-edit-item t]
|
||
["File item" todo-file-item t]
|
||
["Insert new item" todo-insert-item t]
|
||
["Insert item here" todo-insert-item-here t]
|
||
["Kill item" todo-delete-item t]
|
||
"---"
|
||
["Lower item priority" todo-lower-item t]
|
||
["Raise item priority" todo-raise-item t]
|
||
"---"
|
||
["Next item" todo-forward-item t]
|
||
["Previous item" todo-backward-item t]
|
||
"---"
|
||
["Save" todo-save t]
|
||
["Save Top Priorities" todo-save-top-priorities t]
|
||
"---"
|
||
["Quit" todo-quit t]
|
||
))
|
||
|
||
;; As calendar reads .todo-do before todo-mode is loaded.
|
||
;;;###autoload
|
||
(defun todo-mode ()
|
||
"Major mode for editing TODO lists.
|
||
|
||
\\{todo-mode-map}"
|
||
(interactive)
|
||
(kill-all-local-variables)
|
||
(setq major-mode 'todo-mode)
|
||
(setq mode-name "TODO")
|
||
(use-local-map todo-mode-map)
|
||
(easy-menu-add todo-menu)
|
||
(run-mode-hooks 'todo-mode-hook))
|
||
|
||
(eval-when-compile
|
||
(defvar date)
|
||
(defvar entry))
|
||
|
||
;; Read about this function in the setup instructions above!
|
||
;;;###autoload
|
||
(defun todo-cp ()
|
||
"Make a diary entry appear only in the current date's diary."
|
||
(if (equal (calendar-current-date) date)
|
||
entry))
|
||
|
||
(define-derived-mode todo-edit-mode text-mode "TODO Edit"
|
||
"Major mode for editing items in the TODO list.
|
||
|
||
\\{todo-edit-mode-map}")
|
||
|
||
;;;###autoload
|
||
(defun todo-show ()
|
||
"Show TODO list."
|
||
(interactive)
|
||
(if (file-exists-p todo-file-do)
|
||
(find-file todo-file-do)
|
||
(todo-initial-setup))
|
||
(if (null todo-categories)
|
||
(if (null todo-cats)
|
||
(error "Error in %s: No categories in list `todo-categories'"
|
||
todo-file-do)
|
||
(goto-char (point-min))
|
||
(and (search-forward "todo-cats:" nil t)
|
||
(replace-match "todo-categories:"))
|
||
(make-local-variable 'todo-categories)
|
||
(setq todo-categories todo-cats)))
|
||
(beginning-of-line)
|
||
(todo-category-select))
|
||
|
||
(defun todo-initial-setup ()
|
||
"Set up things to work properly in TODO mode."
|
||
(find-file todo-file-do)
|
||
(erase-buffer)
|
||
(todo-mode)
|
||
(todo-add-category "Todo"))
|
||
|
||
(provide 'todo-mode)
|
||
|
||
;;; arch-tag: 6fd91be5-776e-4464-a109-da4ea0e4e497
|
||
;;; todo-mode.el ends here
|