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howm-reminder.el
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howm-reminder.el
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;;; howm-reminder.el --- Wiki-like note-taking tool
;;; Copyright (C) 2002, 2003, 2004, 2005-2023
;;; HIRAOKA Kazuyuki <kakkokakko@gmail.com>
;;;
;;; This program 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 1, or (at your option)
;;; any later version.
;;;
;;; This program 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.
;;;
;;; The GNU General Public License is available by anonymouse ftp from
;;; prep.ai.mit.edu in pub/gnu/COPYING. Alternately, you can write to
;;; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
;;; USA.
;;--------------------------------------------------------------------
(provide 'howm-reminder)
(require 'howm)
(defvar howm-list-schedule-name "{schedule}")
(defvar howm-list-todo-name "{todo}")
; "This is used for buffer name of `howm-list-reminder'.
; See `howm-view-summary-name'.")
(howm-defvar-risky howm-todo-priority-func
'(("-" . howm-todo-priority-normal)
(" " . howm-todo-priority-normal)
("+" . howm-todo-priority-todo)
("~" . howm-todo-priority-defer)
("!" . howm-todo-priority-deadline)
("@" . howm-todo-priority-schedule)
("." . howm-todo-priority-done)))
(defvar howm-todo-priority-normal-laziness 1)
(defvar howm-todo-priority-todo-laziness 7)
(defvar howm-todo-priority-todo-init -7)
(defvar howm-todo-priority-defer-laziness 30)
(defvar howm-todo-priority-defer-init -14)
(defvar howm-todo-priority-defer-peak 0)
(defvar howm-todo-priority-deadline-laziness 7)
(defvar howm-todo-priority-deadline-init -2)
(defvar howm-todo-priority-schedule-laziness 1)
(defvar howm-todo-priority-normal-bottom (- howm-huge))
(defvar howm-todo-priority-todo-bottom (- howm-huge))
(defvar howm-todo-priority-defer-bottom (- howm-huge))
(defvar howm-todo-priority-deadline-bottom (- howm-huge))
(defvar howm-todo-priority-schedule-bottom (- howm-huge++)
"Base priority of schedules in the bottom.
Its default value is extremely negative so that you never see
schedules outside the range in %reminder in the menu.")
(defvar howm-todo-priority-deadline-top howm-huge)
(defvar howm-todo-priority-schedule-top howm-huge)
(defvar howm-todo-priority-unknown-top howm-huge+)
(defvar howm-action-lock-reminder-done-default nil)
(defvar howm-congrats-count 0)
;;; --- level ? ---
;; Fix me: redundant (howm-date-* & howm-reminder-*)
(if howm-reminder-old-format
(progn ;; old format
(defvar howm-reminder-regexp-grep-format
"@\\[[0-9][0-9][0-9][0-9]/[0-9][0-9]/[0-9][0-9]\\]%s")
(defvar howm-reminder-regexp-format
"\\(@\\)\\[\\([0-9][0-9][0-9][0-9]\\)/\\([0-9][0-9]\\)/\\([0-9][0-9]\\)\\]\\(%s\\)\\([0-9]*\\)")
(defun howm-reminder-regexp-grep (types)
(format howm-reminder-regexp-grep-format types))
(defun howm-reminder-regexp (types)
(format howm-reminder-regexp-format types))
(defvar howm-reminder-regexp-command-pos 1)
(defvar howm-reminder-regexp-year-pos 2)
(defvar howm-reminder-regexp-month-pos 3)
(defvar howm-reminder-regexp-day-pos 4)
(defvar howm-reminder-regexp-type-pos 5)
(defvar howm-reminder-regexp-laziness-pos 6)
(defvar howm-reminder-today-format "@[%Y/%m/%d]")
(howm-defvar-risky howm-reminder-font-lock-keywords
`(
(,(howm-reminder-regexp "[-]?") (0 howm-reminder-normal-face prepend))
(,(howm-reminder-regexp "[+]") (0 howm-reminder-todo-face prepend))
(,(howm-reminder-regexp "[~]") (0 howm-reminder-defer-face prepend))
(,(howm-reminder-regexp "[!]")
(0 howm-reminder-deadline-face prepend)
(,howm-reminder-regexp-type-pos (howm-reminder-deadline-type-face) prepend))
(,(howm-reminder-regexp "[@]") (0 howm-reminder-schedule-face prepend))
(,(howm-reminder-regexp "[.]") (0 howm-reminder-done-face prepend))
))
(defun howm-reminder-font-lock-keywords ()
howm-reminder-font-lock-keywords)
(defun howm-action-lock-done (&optional command)
(save-excursion
(let ((at-beg (match-beginning howm-reminder-regexp-command-pos))
(at-end (match-end howm-reminder-regexp-command-pos))
(type-beg (match-beginning howm-reminder-regexp-type-pos))
(type-end (match-end howm-reminder-regexp-type-pos))
(lazy-beg (match-beginning howm-reminder-regexp-laziness-pos))
(lazy-end (match-end howm-reminder-regexp-laziness-pos)))
(let* ((s (or command
(read-from-minibuffer
"RET (done), x (cancel), symbol (type), num (laziness): ")))
(c (cond ((string= s "") ".")
((= 0 (string-to-number s)) ". give up")
(t nil))))
(when (string= s "")
(howm-congrats))
(if c
(progn
(goto-char at-beg)
(delete-region at-beg at-end)
(insert (howm-reminder-today))
(insert (format "%s " c)))
(progn
(goto-char lazy-beg)
(delete-region lazy-beg lazy-end)
(when (string= (buffer-substring-no-properties type-beg type-end)
" ")
(goto-char type-beg)
(insert "-")) ;; "no type" = "normal"
(insert s)))))))
)
(progn ;; new format
(defvar howm-reminder-regexp-grep-format
(concat "\\[" howm-date-regexp-grep "[ :0-9]*\\]%s"))
(defvar howm-reminder-regexp-format
(concat "\\(\\[" howm-date-regexp "[ :0-9]*\\]\\)\\(\\(%s\\)\\([0-9]*\\)\\)"))
;; (defvar howm-reminder-regexp-grep-format
;; (concat "\\[" howm-date-regexp-grep "\\]%s"))
;; (defvar howm-reminder-regexp-format
;; (concat "\\[" howm-date-regexp "\\]\\(\\(%s\\)\\([0-9]*\\)\\)"))
(defun howm-reminder-regexp-grep (types)
(format howm-reminder-regexp-grep-format types))
(defun howm-reminder-regexp (types)
(format howm-reminder-regexp-format types))
(defvar howm-reminder-regexp-date-pos 1)
(defvar howm-reminder-regexp-year-pos (+ howm-date-regexp-year-pos 1))
(defvar howm-reminder-regexp-month-pos (+ howm-date-regexp-month-pos 1))
(defvar howm-reminder-regexp-day-pos (+ howm-date-regexp-day-pos 1))
(defvar howm-reminder-regexp-command-pos 5)
(defvar howm-reminder-regexp-type-pos 6)
(defvar howm-reminder-regexp-laziness-pos 7)
(defvar howm-reminder-today-format
(format howm-insert-date-format howm-date-format))
(howm-defvar-risky howm-reminder-font-lock-keywords
`(
(,(howm-reminder-regexp "[-]") (0 howm-reminder-normal-face prepend))
(,(howm-reminder-regexp "[+]") (0 howm-reminder-todo-face prepend))
(,(howm-reminder-regexp "[~]") (0 howm-reminder-defer-face prepend))
(,(howm-reminder-regexp "[!]")
(0 howm-reminder-deadline-face prepend)
(,howm-reminder-regexp-type-pos (howm-reminder-deadline-type-face) prepend))
(,(howm-reminder-regexp "[@]") (0 howm-reminder-schedule-face prepend))
(,(howm-reminder-regexp "[.]") (0 howm-reminder-done-face prepend))
))
(defun howm-reminder-font-lock-keywords ()
howm-reminder-font-lock-keywords)
(defun howm-action-lock-done-prompt ()
(format "RET (done), x (%s), symbol (type), num (laziness): "
howm-reminder-cancel-string))
(defun howm-action-lock-done (&optional command)
;; parse line
(let* ((pos (point))
(beg (match-beginning 0))
(end (match-end 0))
(date (match-string-no-properties howm-reminder-regexp-date-pos))
(type (match-string-no-properties howm-reminder-regexp-type-pos))
(lazy (match-string-no-properties howm-reminder-regexp-laziness-pos))
(desc (buffer-substring-no-properties end (line-end-position))))
;; parse input command
(let* ((s (or command
(howm-read-string (howm-action-lock-done-prompt)
"x-+~!.@"
"0123456789")))
(type-or-lazy (string-match (format "^\\(%s?\\)\\([0-9]*\\)$"
howm-reminder-types)
s))
(new-type (and type-or-lazy (match-string-no-properties 1 s)))
(new-lazy (and type-or-lazy (match-string-no-properties 2 s))))
(when (string= new-type "")
(setq new-type type))
(when (string= new-lazy "")
(setq new-lazy lazy))
;; dispatch and get new contents
(let ((new (cond ((string= s "")
(howm-action-lock-done-done date type lazy desc))
((string= s "x")
(howm-action-lock-done-cancel date type lazy
desc))
(type-or-lazy
(howm-action-lock-done-modify date
new-type new-lazy
desc))
(t
(error "Can't understand %s" s)))))
;; replace contents
(goto-char beg)
(delete-region (point) (line-end-position))
(insert new)
(goto-char pos)))))
(defun howm-action-lock-done-done (date type lazy desc &optional done-mark)
(when (null done-mark)
(setq done-mark ".")
(howm-congrats))
(concat (howm-reminder-today) done-mark " "
date ":" type lazy desc))
(defun howm-action-lock-done-cancel (date type lazy desc)
(howm-action-lock-done-done date type lazy desc
(format ". %s" howm-reminder-cancel-string)))
(defun howm-action-lock-done-modify (date type lazy desc)
(concat date type lazy desc))
))
(defun howm-reminder-deadline-type-face ()
(let ((late (cadr (howm-todo-parse-string (match-string-no-properties 0)))))
(if (>= late 0)
howm-reminder-late-deadline-face
howm-reminder-deadline-face)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Reminder: schedule & todo
(define-key howm-view-summary-mode-map "." 'howm-reminder-goto-today)
;; Clean me.
;; I cannot remember why I wrote howm-with-schedule-summary-format.
(defmacro howm-with-schedule-summary-format (&rest body)
(declare (indent 0))
`(let ((howm-view-summary-format (if howm-view-split-horizontally ;; dirty!
""
howm-view-summary-format)))
,@body))
(defun howm-list-schedule ()
(interactive)
(howm-with-need
(howm-with-schedule-summary-format
(let ((items (need (howm-list-reminder-internal howm-schedule-types))))
(howm-list-reminder-final-setup howm-list-schedule-name
(howm-schedule-sort-items items)))
(howm-reminder-goto-today)
(howm-view-summary-check))))
(defun howm-list-reminder-internal (types)
(let* ((r (howm-reminder-regexp types))
(rg (howm-reminder-regexp-grep types))
(summarizer (howm-reminder-summarizer r t))
(folder (howm-reminder-search-path-folder)))
(cl-caddr (howm-view-search-folder-internal rg folder nil summarizer))))
(defun howm-list-reminder-final-setup (&optional name item-list)
(howm-view-summary name item-list
(append (howm-reminder-add-font-lock-internal)
(howm-mode-add-font-lock-internal)))
(let ((action-lock-default-rules
(howm-action-lock-reminder-forward-rules t)))
(action-lock-mode t)))
(let ((rs (mapcar #'regexp-quote
(list howm-date-format howm-reminder-today-format))))
(defcustom howm-highlight-date-regexp-format (car rs)
"Time format for highlight of today and tommorow.
This value is passed to `format-time-string', and the result must be a regexp."
:type `(radio ,@(mapcar (lambda (r) `(const ,r)) rs)
string)
:group 'howm-faces))
(defun howm-reminder-today-font-lock-keywords ()
(let ((today (howm-reminder-today-matcher 0))
(tomorrow (howm-reminder-today-matcher 1)))
`((,today (0 howm-reminder-today-face prepend))
(,tomorrow (0 howm-reminder-tomorrow-face prepend)))))
(defun howm-reminder-today-matcher (n)
(let* ((n1 (+ n (howm-todo-priority-get-late-offset)))
(r (howm-reminder-today n1 howm-highlight-date-regexp-format)))
`(lambda (bound) (re-search-forward ,r bound t))))
(defun howm-reminder-add-font-lock ()
(cheat-font-lock-append-keywords (howm-reminder-add-font-lock-internal)))
(defun howm-reminder-add-font-lock-internal ()
(append (howm-reminder-font-lock-keywords)
(howm-reminder-today-font-lock-keywords)))
(defun howm-reminder-omit-before (regexp str)
(string-match regexp str)
(substring str (match-beginning 0)))
(defun howm-reminder-summarizer (regexp &optional show-day-of-week)
`(lambda (file line content)
(let ((s (howm-reminder-omit-before ,regexp content)))
;; (string-match ,regexp content)
;; (substring content (match-beginning 0)))))
,(if show-day-of-week
'(let* ((p (howm-todo-parse-string s))
(late (floor (nth 1 p)))
(dow (howm-day-of-week-string (nth 4 p))))
(format "%s%3s %s" dow late s))
's))))
(defun howm-reminder-today (&optional days-after fmt)
(format-time-string (or fmt howm-reminder-today-format)
(howm-days-after (current-time) (or days-after 0))))
;; dirty. peek howm-view-*
(defun howm-reminder-goto-today ()
(interactive)
(let* ((today (howm-reminder-today))
(r (howm-reminder-regexp "."))
(summaries (mapcar (lambda (item)
(howm-reminder-omit-before
r (howm-view-item-summary item)))
(howm-view-item-list))))
;; (summaries (mapcar 'howm-view-item-summary (howm-view-item-list))))
(let ((rest summaries)
(n 0))
(while (and rest
(string< (car rest) today))
(setq rest (cdr rest)
n (1+ n)))
(howm-goto-line (1+ n)))))
(defun howm-schedule-menu (days &optional days-before)
(let* ((today (howm-encode-day t))
(from (- today (or days-before 0)))
(to (+ today days 1))
(howm-schedule-types howm-schedule-menu-types) ;; dirty
(raw (howm-reminder-search howm-schedule-types))
(filtered (cl-remove-if #'(lambda (item)
(let ((s (howm-schedule-date item)))
(or (< s from)
(< to s))))
raw)))
(howm-schedule-sort-items filtered)))
(defun howm-schedule-sort-items (items &optional reverse-p)
(when reverse-p
(error "Not supported."))
(howm-with-schedule-summary-format
(howm-sort #'howm-schedule-sort-converter #'howm-schedule-sort-comparer
items)))
(defun howm-schedule-sort-by-date ()
(interactive)
(howm-view-sort-doit #'howm-schedule-sort-items))
(defun howm-schedule-sort-converter (item)
(let ((z (howm-reminder-parse item)))
(cons (car z)
(if howm-schedule-sort-by-time
(howm-item-summary item)
(nth 5 z)))))
(defun howm-schedule-sort-comparer (a b)
(if (= (car a) (car b))
(string< (cdr a) (cdr b))
(< (car a) (car b))))
(defun howm-schedule-date (item)
(car (howm-reminder-parse item)))
(defun howm-reminder-search (types)
(let* ((r (howm-reminder-regexp types))
(rg (howm-reminder-regexp-grep types))
(summarizer (howm-reminder-summarizer r))
(folder (howm-reminder-search-path-folder)))
(howm-view-search-folder-items rg folder summarizer)))
(defun howm-list-todo ()
(interactive)
(howm-list-todo-sub))
;; experimental [2006-06-26]
(defun howm-todo-sleeping-p (item)
;; (- howm-huge-) should be replaced with an appropreate variable.
(< (howm-todo-priority item) (- howm-huge-)))
(defun howm-list-active-todo ()
(interactive)
(howm-list-todo-sub (lambda (item)
(not (howm-todo-sleeping-p item)))))
(defun howm-list-sleeping-todo ()
(interactive)
(howm-list-todo-sub #'howm-todo-sleeping-p))
(defun howm-simulate-todo ()
"Start a time machine simulation of the todo list.
See `howm-simulate-todo-mode' for details. See also
`howm-simulate-todo-next-date', `howm-simulate-todo-previous-date',
and `howm-simulate-todo-reset'."
(interactive)
(howm-simulate-todo-reset (howm-simulate-todo-setup-items nil))
(goto-char (point-min))
(let ((keys (mapcar (lambda (f)
(let ((k (car-safe (where-is-internal f))))
(if k (key-description k) (format "M-x %s" f))))
'(howm-simulate-todo-previous-date
howm-simulate-todo-next-date
howm-simulate-todo-reset))))
(apply #'message
"Time machine simulation: Type %s and %s to navigate, %s to reset."
keys))
(sit-for 5))
(define-derived-mode howm-simulate-todo-mode howm-view-summary-mode "HowmT"
"Major mode for a time machine simulation of the todo list in howm.
(Tips) Type C-u 30 \\[howm-simulate-todo-next-date] to simulate 30 days later.
key binding
--- -------
\\[howm-simulate-todo-next-date] Simulate the next date
\\[howm-simulate-todo-previous-date] Simulate the previous date
\\[howm-simulate-todo-reset] Reset to today
"
;; major mode just for additional key bindings
(howm-view-summary-mode-body))
(let ((m howm-simulate-todo-mode-map))
(mapc (lambda (args) (apply #'define-key m args))
'((">" howm-simulate-todo-next-date)
("<" howm-simulate-todo-previous-date)
("=" howm-simulate-todo-reset))))
(defun howm-simulate-todo-setup-items (items)
(let ((howm-todo-separators nil))
(howm-list-todo-sub-setup-items items)))
(defun howm-simulate-todo-next-date (n &optional orig-items)
"Simulate the todo list as if today were N days after the current 'today'.
If N is nil, reset the simulation to today's date.
If ORIG-ITEMS is nil, use the item list of the current buffer.
For example, to simulate 30 days later, call this function with the prefix C-u 30."
(interactive "p")
(howm-with-simulated-date
(let* ((ti (howm-increment-simulated-date n))
(msg (format-time-string " %Y-%m-%d (%a) <=>" ti))
(items (howm-simulate-todo-setup-items (or orig-items
(howm-view-item-list)))))
(when items
(let* ((r (howm-reminder-regexp howm-todo-types))
(summarizer (howm-reminder-summarizer r t))
(f (lambda (item)
(funcall summarizer 'dummy 'dummy (howm-item-summary item)))))
(mapc (lambda (item) (howm-item-set-summary item (funcall f item)))
items))
(howm-save-vertical-position
(howm-view-summary-rebuild items)
(howm-list-reminder-final-setup "{sim}" items))
(howm-list-todo-insert-priority items)
(howm-simulate-todo-mode)
(setq howm-view-mode-line-text
(propertize msg 'face howm-simulate-todo-mode-line-face))))))
(defun howm-simulate-todo-previous-date (n &optional orig-items)
"Simulate the todo list as if today were N days before the current 'today'.
If N is nil, reset the simulation to today's date.
If ORIG-ITEMS is nil, use the item list of the current buffer.
For example, to simulate 30 days ago, call this function with the prefix C-u 30."
(interactive "p")
(howm-simulate-todo-next-date (and n (- n)) orig-items))
(defun howm-simulate-todo-reset (&optional orig-items)
"Reset the simulated todo list to today's date.
If ORIG-ITEMS is nil, use the item list of the current buffer."
(interactive)
(howm-simulate-todo-next-date nil orig-items))
(defmacro howm-save-vertical-position (&rest body)
(declare (indent 0))
(let ((gw (cl-gensym))
(gc (cl-gensym)))
`(let ((,gw (line-number-at-pos (window-start) t))
(,gc (line-number-at-pos nil t)))
(prog1
(progn ,@body)
(howm-goto-line ,gw)
(recenter 0)
(howm-goto-line ,gc)))))
(defun howm-list-todo-insert-priority (item-list)
(save-excursion
(let ((buffer-read-only nil))
(buffer-disable-undo)
(goto-char (point-min))
(mapc (lambda (item)
(when (search-forward howm-view-summary-sep (line-end-position) t)
(insert (format "%8.1f" (howm-todo-priority item))))
(forward-line 1))
item-list))))
(defun howm-list-todo-sub (&optional pred)
(let ((items (howm-list-todo-sub-setup-items nil pred)))
(when items
(howm-list-reminder-final-setup howm-list-todo-name items))))
(defun howm-list-todo-sub-setup-items (given-items &optional pred)
(when (null given-items)
(setq given-items (howm-list-reminder-internal howm-todo-types)))
(howm-with-need
(howm-with-schedule-summary-format
(let ((items (need given-items)))
(when pred
(setq items
(need (cl-remove-if-not pred items))))
(setq items (howm-todo-sort-items items))
(when howm-todo-separators
(setq items
(howm-todo-insert-separators items
howm-todo-separators)))
items))))
(defun howm-todo-menu (n limit-priority separators &optional must-show-priority)
"Find top N todo items, or all todo items if N is nil.
Returned value is a sorted list of items (see `howm-make-item').
Items whose priority is worse than LIMIT-PRIORITY are eliminated.
If MUST-SHOW-PRIORITY is given, items whose priority is equal to
or better than it are included, even if they are out of the top N.
Separator strings are inserted to the returned list according to
the rule given as SEPARATORS.
See docstring of the variable `howm-menu-reminder-separators' for details."
(let* ((cutted (cl-remove-if (lambda (item)
(< (howm-todo-priority item)
limit-priority))
(howm-reminder-search howm-todo-menu-types)))
(sorted (howm-todo-sort-items cutted))
(count 0)
(filtered (cl-loop for item in sorted
if (or (< count n)
(and must-show-priority
(>= (howm-todo-priority item)
must-show-priority)))
collect (prog1 item
(unless (equal (cadr (howm-todo-parse item)) "@")
(cl-incf count))))))
(howm-todo-insert-separators filtered separators t)))
(defun howm-reminder-menu (n limit-priority separators)
(howm-with-reminder-setting
(howm-todo-menu n limit-priority separators
(- howm-todo-priority-schedule-top howm-huge-))))
(defun howm-todo-insert-separators (item-list separators
&optional relative-date-p)
(let ((is (mapcar (lambda (item) (cons (howm-todo-priority item) item))
item-list))
(sep (mapcar (lambda (pair)
(cons (if relative-date-p
(- howm-todo-priority-schedule-top
(or (car pair) howm-huge-))
(or (car pair) (- howm-huge-)))
(howm-make-item (howm-make-page:nil) (cdr pair))))
separators)))
(mapcar #'cdr
(sort (append is sep) #'(lambda (x y) (> (car x) (car y)))))))
(defun howm-todo-sort-items (items &optional reverse-p)
(when reverse-p
(error "Not supported."))
(howm-sort #'howm-todo-priority-ext #'howm-todo-priority-ext-gt
items))
(defun howm-todo-sort-by-priority ()
(howm-view-sort-doit #'howm-todo-sort-items))
(defvar howm-todo-priority-late-offset 0
"For internal use")
(make-variable-buffer-local 'howm-todo-priority-late-offset)
(defvar howm-todo-priority-late-offset-enabled nil
"For internal use")
(make-variable-buffer-local 'howm-todo-priority-late-offset-enabled)
(defun howm-todo-priority-get-late-offset ()
(if howm-todo-priority-late-offset-enabled
howm-todo-priority-late-offset
0))
(defmacro howm-with-simulated-date (&rest body)
(declare (indent 0))
`(let ((howm-todo-priority-late-offset-enabled t))
,@body))
(defun howm-increment-simulated-date (increment)
(setq howm-todo-priority-late-offset
(if increment
(+ howm-todo-priority-late-offset increment)
0))
(howm-days-after (current-time) howm-todo-priority-late-offset))
;; Clean me.
(defun howm-reminder-parse (item)
(howm-todo-parse-string (howm-view-item-summary item)))
(defun howm-todo-parse (item)
(cdr (howm-reminder-parse item)))
(defun howm-todo-parse-string (str)
"Parse reminder format.
Example: (howm-todo-parse-string \"abcde [2004-11-04]@ hogehoge\")
==> (12725.625 0.022789351851315587 \"@\" nil 4 \" hogehoge\")"
(let ((summary str))
(string-match (howm-reminder-regexp ".") summary)
(let ((y (match-string-no-properties howm-reminder-regexp-year-pos
summary))
(m (match-string-no-properties howm-reminder-regexp-month-pos
summary))
(d (match-string-no-properties howm-reminder-regexp-day-pos
summary))
(ty (match-string-no-properties howm-reminder-regexp-type-pos
summary))
(lz (match-string-no-properties howm-reminder-regexp-laziness-pos
summary))
(description (substring str (match-end 0))))
(let* ((day (howm-encode-day d m y))
(today (howm-encode-day))
(late (+ (- today day) (howm-todo-priority-get-late-offset)))
(type (substring (or ty "-") 0 1)) ;; "-" for old format
(lazy (cond ((string= type " ") nil)
((null lz) nil)
(t (let ((z (string-to-number lz)))
(if (= z 0) nil z)))))
;; (lazy (if (string= type " ")
;; 0
;; (string-to-number (or lz "0"))))
(day-of-week (nth 6
(decode-time (apply #'encode-time
(mapcar #'string-to-number
(list "0" "0" "0"
d m y)))))))
(list day late type lazy day-of-week description)))))
(defun howm-todo-priority (item)
(let* ((p (howm-todo-parse item))
(late (car p))
(type (cadr p))
(lazy (cl-caddr p))
(f (or (cdr (assoc type howm-todo-priority-func))
#'howm-todo-priority-unknown)))
(funcall f late lazy item)))
(defun howm-todo-priority-ext (item)
(cons (howm-todo-priority item) (howm-view-item-summary item)))
(defun howm-todo-priority-ext-gt (e1 e2)
"Compare two results E1 and E2 of `howm-todo-priority-ext'.
Return true if E1 has higher priority than E2."
(cond ((> (car e1) (car e2)) t)
((< (car e1) (car e2)) nil)
(t (string< (cdr e1) (cdr e2)))))
(defun howm-todo-relative-late (late laziness default-laziness)
(/ late (float (or laziness default-laziness))))
(defun howm-todo-priority-normal (late lz item)
(let ((r (howm-todo-relative-late late lz
howm-todo-priority-normal-laziness)))
(cond ((< r 0) (+ r howm-todo-priority-normal-bottom))
(t (- r)))))
(defun howm-todo-priority-todo (late lz item)
(let ((r (howm-todo-relative-late late lz
howm-todo-priority-todo-laziness))
(c (- howm-todo-priority-todo-init)))
(cond ((< r 0) (+ r howm-todo-priority-todo-bottom))
(t (* c (- r 1))))))
(defun howm-todo-priority-defer (late lz item)
(let* ((r (howm-todo-relative-late late lz
howm-todo-priority-defer-laziness))
(p howm-todo-priority-defer-peak)
(c (- p howm-todo-priority-defer-init)))
(let ((v (* 2 (abs (- (mod r 1) 0.5)))))
(cond ((< r 0) (+ r howm-todo-priority-defer-bottom))
(t (- p (* c v)))))))
;; ;; Clean me.
;; (defvar howm-todo-schedule-days nil)
;; (defvar howm-todo-schedule-days-before nil)
;; (defmacro howm-with-schedule-days (days days-before &rest body)
;; `(let ((howm-todo-schedule-days ,days)
;; (howm-todo-schedule-days-before ,days-before))
;; ,@body))
;; (put 'howm-with-schedule-days 'lisp-indent-hook 2)
;; (defun howm-todo-priority-schedule (late lz item)
;; (setq lz (or lz howm-todo-priority-schedule-laziness))
;; (cond ((< late (- howm-todo-schedule-days))
;; (+ late howm-todo-priority-schedule-bottom))
;; ((< late (+ lz howm-todo-schedule-days-before))
;; (+ late howm-todo-priority-schedule-top))
;; (t
;; (+ late howm-todo-priority-schedule-bottom))))
(defun howm-todo-priority-deadline (late lz item)
(if howm-reminder-schedule-interval
(howm-todo-priority-deadline-1 late lz item)
(howm-todo-priority-deadline-2 late lz item)))
(defun howm-todo-priority-deadline-1 (late lz item)
(let ((r (howm-todo-relative-late late lz
howm-todo-priority-deadline-laziness))
(c (- howm-todo-priority-deadline-init))
(d (- (howm-reminder-schedule-interval-to)))
(top howm-todo-priority-deadline-top)
(bot howm-todo-priority-deadline-bottom))
;; I dare to use late in the first case below so that
;; deadline behaves like schedule after its deadline date.
(cond ((< d late) (+ top late))
((< r -1) (+ bot r))
(t (* c r)))))
(defun howm-todo-priority-deadline-2 (late lz item)
"This function may be obsolete in future.
`howm-todo-priority-deadline-1' will be used instead."
(let ((r (howm-todo-relative-late late lz
howm-todo-priority-deadline-laziness))
(c (- howm-todo-priority-deadline-init)))
(cond ((> r 0) (+ r howm-todo-priority-deadline-top))
((< r -1) (+ r howm-todo-priority-deadline-bottom))
(t (* c r)))))
(defun howm-todo-priority-schedule (late lz item)
(if howm-reminder-schedule-interval
(howm-todo-priority-schedule-1 late lz item)
(howm-todo-priority-schedule-2 late lz item)))
(defun howm-todo-priority-schedule-1 (late lz item)
(let ((lazy (or lz howm-todo-priority-schedule-laziness))
(from (howm-reminder-schedule-interval-from))
(to (howm-reminder-schedule-interval-to))
(top howm-todo-priority-schedule-top)
(bot howm-todo-priority-schedule-bottom))
(cond ((< late (- to)) (+ bot late))
((< late (+ from lazy)) (+ top late))
(t (+ bot late)))))
(defun howm-todo-priority-schedule-2 (late lz item)
"This function may be obsolete in future.
`howm-todo-priority-schedule-1' will be used instead."
(let ((r (howm-todo-relative-late late lz
howm-todo-priority-schedule-laziness)))
(cond ((> r 0) (+ r howm-todo-priority-schedule-bottom))
(t r))))
(defun howm-todo-priority-done (late lz item)
(+ late howm-todo-priority-done-bottom))
(defun howm-todo-priority-unknown (late lz item)
(+ late howm-todo-priority-unknown-top))
(defun howm-encode-day (&optional d m y)
"Convert date Y-M-D to a float number, days from the reference date.
When D is omitted, the current time is encoded.
When D is t, the beginning of today is encoded."
(let* ((e (apply #'encode-time (cond ((eq d t)
(let ((now (howm-decode-time)))
(append '(0 0 0) (cl-cdddr now))))
(d
(mapcar #'string-to-number
(list "0" "0" "0" d m y)))
(t
(howm-decode-time)))))
(hi (car e))
(low (cadr e))
(daysec (* 60 60 24.0)))
(+ (* hi (/ 65536 daysec)) (/ low daysec))))
(defun howm-congrats ()
(setq howm-congrats-count (1+ howm-congrats-count))
(let* ((n (length howm-congrats-format))
(r (random n)))
(message (nth r howm-congrats-format) howm-congrats-count)
(when howm-congrats-command
(howm-congrats-run howm-congrats-command))
(run-hooks 'howm-congrats-hook)))
(defun howm-congrats-run (com-arg-list)
(let* ((name "howm-congrats")
(command (car com-arg-list))
(args (cdr com-arg-list))
(prev (get-process name)))
(when prev
(delete-process prev))
(apply #'start-process-shell-command `(,name nil ,command ,@args))))
(defun howm-action-lock-reminder-done-rule ()
(list (howm-reminder-regexp howm-reminder-types)
`(lambda (&optional arg)
(let ((command (if arg
nil
howm-action-lock-reminder-done-default)))
(howm-action-lock-done command)))
howm-reminder-regexp-command-pos))
(defun howm-reminder-search-path ()
(howm-search-path t))
(defun howm-reminder-search-path-folder ()
(howm-search-path-folder t))
;;; direct manipulation of items from todo list
;; I'm sorry for dirty procedure here.
;; If we use naive howm-date-regexp, it matches to file name "2004-05-11.txt"
;; in summary mode.
(defun howm-action-lock-reminder-forward-rules (&optional summary-mode-p)
(let* ((action-maker (lambda (pos)
`(lambda (&optional dummy)
(howm-action-lock-forward (match-beginning ,pos)))))
(reminder-rule (list (howm-reminder-regexp howm-reminder-types)
(funcall action-maker 0)
howm-reminder-regexp-command-pos))
(summary-date-reg (format ".*%s.*\\(%s\\)"
(regexp-quote howm-view-summary-sep)
howm-date-regexp))
(summary-date-reg-pos 1)
(summary-date-rule (list summary-date-reg
(funcall action-maker summary-date-reg-pos)
summary-date-reg-pos))
(menu-date-rule (list howm-date-regexp
(funcall action-maker 0)))
(date-rule (if summary-mode-p
summary-date-rule
menu-date-rule)))
(list reminder-rule date-rule)))
(defvar howm-action-lock-forward-wconf nil
"for internal use")
(defun howm-action-lock-forward-escape ()
(setq howm-action-lock-forward-wconf
(current-window-configuration)))
(defmacro howm-action-lock-forward-block (&rest body)
(declare (indent 0))
`(prog2
(setq howm-action-lock-forward-wconf nil)
(progn
,@body)
(when howm-action-lock-forward-wconf
(set-window-configuration howm-action-lock-forward-wconf))))
(defun howm-action-lock-forward (form-pos)
(howm-action-lock-forward-block
(let* ((cursor-pos (point))
(form-reg (howm-line-tail-regexp form-pos))
(cursor-reg (howm-line-tail-regexp cursor-pos)))
(let* ((mt (buffer-modified-tick))
(original-tail (buffer-substring form-pos (line-end-position)))
(modified-tail (howm-action-lock-forward-invoke form-reg
cursor-reg))
(untouched-p (= mt (buffer-modified-tick))))
;; Current-buffer may be already updated according to
;; howm-menu-refresh-after-save because save-buffer in
;; howm-action-lock-forward-invoke can run howm-after-save-hook.
;; We have to exclude such cases.
(when (and untouched-p
(not (string= original-tail modified-tail)))
(let ((buffer-read-only nil))
(howm-menu-list-getput-item original-tail modified-tail)
(delete-region form-pos (line-end-position))
(insert modified-tail)))
(goto-char cursor-pos)
(howm-action-lock-forward-update)))))
(defun howm-line-tail-regexp (pos)
(concat (regexp-quote (buffer-substring-no-properties pos
(line-end-position)))
"$"))
(defun howm-action-lock-forward-invoke (form-reg cursor-reg)
(howm-modify-in-background (lambda (&rest dummy)
;; open the target file
;; and go to the corresponding line
(howm-action-lock-forward-open))
(lambda (form-reg cursor-reg)
(howm-action-lock-forward-modify-current-line
form-reg cursor-reg))
howm-action-lock-forward-save-buffer
howm-action-lock-forward-kill-buffer
form-reg
cursor-reg))
(defun howm-modify-in-background (opener modifier save-p kill-p &rest args)
(save-excursion
(save-window-excursion
(let ((original-buffers (buffer-list)))
(apply opener args)
;; We are in the target buffer now.
(let ((initially-modified-p (buffer-modified-p)))
(prog1
(apply modifier args)
(when (and save-p
(not initially-modified-p)
(buffer-modified-p))
(save-buffer))
(when (and kill-p
(not (buffer-modified-p))
(not (member (current-buffer) original-buffers)))
(kill-buffer (current-buffer)))))))))
(defun howm-action-lock-forward-modify-current-line (form-reg cursor-reg)
(howm-modify-form #'action-lock-invoke form-reg cursor-reg))
(defun howm-modify-form (proc form-reg cursor-reg &rest args)
(cl-labels
((f-cursor ()
(beginning-of-line)
(re-search-forward cursor-reg
(line-end-position
(+ 1 howm-action-lock-forward-fuzziness))
t))
(b-cursor ()
(end-of-line)
(re-search-backward cursor-reg
(line-beginning-position
(- 1 howm-action-lock-forward-fuzziness))
t))
(b-form ()
(end-of-line)
(re-search-backward form-reg (line-beginning-position) t)))
(or (save-excursion (and (f-cursor) (b-form)))
(save-excursion (and (b-cursor) (b-form)))
(error "Can't find corresponding line.")))
(goto-char (match-beginning 0))
;; Now we are at the beginning of the form.
;; Remember this position to report the modified tail.
(save-excursion
(when (not (re-search-forward cursor-reg (line-end-position) t))
(error "Can't find corresponding string."))
(goto-char (match-beginning 0))
;; update display. I don't understand why this is needed.
;; Without this, cursor is placed at the end of buffer if I delete many
;; lines before the form position in the below setting (GNU Emacs 21.4.1).
;; (setq howm-menu-refresh-after-save nil)
;; (setq howm-menu-expiry-hours 3)
;; (setq howm-action-lock-forward-fuzziness 20000)
;; Sigh...
(switch-to-buffer (current-buffer) t)
;; Now we are at the corresponding position.
;; Let's call proc to modify the form!
(undo-boundary)
(apply proc args))
;; We are back to the beginning of the form.
;; Report the modified tail.
(buffer-substring-no-properties (point) (line-end-position)))
(defun howm-action-lock-forward-open ()
(cond ((eq major-mode 'howm-menu-mode)
(progn
(howm-menu-list-action)
(when (eq major-mode 'howm-view-summary-mode)
(error "Several candidates."))))
((eq major-mode 'howm-view-summary-mode)
(howm-view-summary-open))
(t
(error "Not supported on this buffer."))))
(defun howm-action-lock-forward-update ()
(cond ((eq major-mode 'howm-menu-mode)
nil) ; do nothing
((eq major-mode 'howm-view-summary-mode)
(howm-view-summary-check t))
(t
(error "Not supported on this buffer."))))
;;; extend deadlines (experimental)
(put 'howm-extend-deadlines 'disabled t)
(defun howm-extend-deadlines (days)
"Extend all overdue deadlines for DAYS from today."
(interactive "nHow many days? ")
(let ((hit (cl-remove-if (lambda (item)
(< (cadr (howm-reminder-parse item)) 0))
(howm-reminder-search "!"))))
(mapc (lambda (item)
(howm-modify-in-background (lambda (item dummy)
(howm-view-open-item item))
#'howm-extend-deadline-here
nil nil item days))
hit)
(howm-menu-refresh-background)
(message "Extended %s deadline(s)." (length hit))))
(defun howm-extend-deadline-here (item days)
(apply (lambda (form-reg cursor-reg) ;; use apply for destructuring-bind
(howm-modify-form #'howm-extend-deadline-doit
form-reg cursor-reg days))
(let ((summary (howm-item-summary item)))
(string-match (howm-reminder-regexp ".") summary)
(mapcar (lambda (p)
(concat (regexp-quote
(substring summary (match-beginning p)))
"$"))
(list howm-reminder-regexp-date-pos
howm-reminder-regexp-year-pos)))))
(defun howm-extend-deadline-doit (days)
(or (looking-at howm-date-regexp)
(re-search-backward howm-date-regexp (line-beginning-position) t)
(error "Can't find corresponding date form."))
(howm-datestr-replace
(howm-datestr-shift (howm-time-to-datestr) 0 0 days)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; customize
(defun howm-define-reminder (letter priority-func face schedule todo
&optional reminder)
"Define reminder type LETTER whose priority is determined by PRIORITY-FUNC.
It appears with FACE in schedule list when SCHEDULE is non-nil, and in
todo list when TODO is non-nil. It also appears in menu if SCHEDULE
or TODO is t."
(add-to-list 'howm-todo-priority-func
(cons letter priority-func))
(add-to-list 'howm-reminder-font-lock-keywords
`(,(howm-reminder-regexp (format "[%s]" letter))
(0 ,face prepend)))
(let* ((schedule-menu (eq schedule t))