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ece4bae50f
This should have been a prerequisite for making these changes in the first place. * doc/emacs/calendar.texi (Time Intervals): * doc/misc/idlwave.texi (Lesson III---User Catalog, Online Help) (Starting the Shell, Catalogs, User Catalog): * doc/misc/remember.texi (Quick Start): * doc/misc/viper.texi: * doc/misc/vip.texi (Customization, Customizing Constants) (Customizing Key Bindings): Update for files being in ~/.emacs.d/. * lisp/ido.el (ido-save-directory-list-file): * lisp/saveplace.el (save-place-file): * lisp/calendar/timeclock.el (timeclock-file): * lisp/net/quickurl.el (quickurl-url-file): * lisp/obsolete/otodo-mode.el (todo-file-do, todo-file-done, todo-file-top): * lisp/progmodes/idlwave.el (idlwave-config-directory): * lisp/textmodes/remember.el (remember-data-file): Bump :version. * lisp/shadowfile.el (shadow-info-file, shadow-todo-file): Doc fix. * lisp/strokes.el (strokes-file): Doc fix. Bump :version. (strokes-help): Doc fix. * lisp/emulation/viper-init.el (viper-vi-style-in-minibuffer): Doc fix. * lisp/emulation/viper.el (viper): Doc fix for custom group. (top-level): Remove oh-so-no-longer-relevant text about vip. * lisp/obsolete/otodo-mode.el (todo-prefix): Doc fix. * etc/NEWS: Related edits.
1184 lines
47 KiB
EmacsLisp
1184 lines
47 KiB
EmacsLisp
;;; type-break.el --- encourage rests from typing at appropriate intervals -*- lexical-binding: t -*-
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;; Copyright (C) 1994-1995, 1997, 2000-2014 Free Software Foundation, Inc.
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;; Author: Noah Friedman
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;; Maintainer: Noah Friedman <friedman@splode.com>
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;; Keywords: extensions, timers
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;; Created: 1994-07-13
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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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;;; Commentary:
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;; The docstring for the function `type-break-mode' summarizes most of the
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;; details of the interface.
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;; This package relies on the assumption that you live entirely in Emacs,
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;; as the author does. If that's not the case for you (e.g. you often
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;; suspend Emacs or work in other windows) then this won't help very much;
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;; it will depend on just how often you switch back to Emacs. At the very
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;; least, you will want to turn off the keystroke thresholds and rest
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;; interval tracking.
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;; If you prefer not to be queried about taking breaks, but instead just
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;; want to be reminded, do the following:
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;;
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;; (setq type-break-query-mode nil)
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;;
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;; Or call the command `type-break-query-mode' with a negative prefix
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;; argument.
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;; If you find echo area messages annoying and would prefer to see messages
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;; in the mode line instead, do M-x type-break-mode-line-message-mode
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;; or set the variable of the same name to `t'.
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;; This program can truly cons up a storm because of all the calls to
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;; `current-time' (which always returns fresh conses). I'm dismayed by
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;; this, but I think the health of my hands is far more important than a
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;; few pages of virtual memory.
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;; This program has no hope of working in Emacs 18.
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;; This package was inspired by Roland McGrath's hanoi-break.el.
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;; Several people contributed feedback and ideas, including
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;; Roland McGrath <roland@gnu.org>
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;; Kleanthes Koniaris <kgk@koniaris.com>
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;; Mark Ashton <mpashton@gnu.org>
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;; Matt Wilding <wilding@cli.com>
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;; Robert S. Boyer <boyer@cs.utexas.edu>
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;;; Code:
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(defgroup type-break nil
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"Encourage the user to take a rest from typing at suitable intervals."
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:prefix "type-break"
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:group 'keyboard)
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(defcustom type-break-interval (* 60 60)
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"Number of seconds between scheduled typing breaks."
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:type 'integer
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:group 'type-break)
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(defcustom type-break-good-rest-interval (/ type-break-interval 6)
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"Number of seconds of idle time considered to be an adequate typing rest.
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When this variable is non-nil, Emacs checks the idle time between
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keystrokes. If this idle time is long enough to be considered a \"good\"
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rest from typing, then the next typing break is simply rescheduled for later.
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If a break is interrupted before this much time elapses, the user will be
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asked whether or not really to interrupt the break."
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:set-after '(type-break-interval)
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:type 'integer
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:group 'type-break)
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(defcustom type-break-good-break-interval nil
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"Number of seconds considered to be an adequate explicit typing rest.
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When this variable is non-nil, its value is considered to be a \"good\"
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length (in seconds) for a break initiated by the command `type-break',
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overriding `type-break-good-rest-interval'. This provides querying of
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break interruptions when `type-break-good-rest-interval' is nil."
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:type '(choice (const nil) integer)
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:group 'type-break)
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(defcustom type-break-keystroke-threshold
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;; Assuming typing speed is 35wpm (on the average, do you really
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;; type more than that in a minute? I spend a lot of time reading mail
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;; and simply studying code in buffers) and average word length is
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;; about 5 letters, default upper threshold to the average number of
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;; keystrokes one is likely to type in a break interval. That way if the
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;; user goes through a furious burst of typing activity, cause a typing
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;; break to be required sooner than originally scheduled.
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;; Conversely, the minimum threshold should be about a fifth of this.
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(let* ((wpm 35)
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(avg-word-length 5)
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(upper (* wpm avg-word-length (/ type-break-interval 60)))
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(lower (/ upper 5)))
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(cons lower upper))
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"Upper and lower bound on number of keystrokes for considering typing break.
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This structure is a pair of numbers (MIN . MAX).
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The first number is the minimum number of keystrokes that must have been
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entered since the last typing break before considering another one, even if
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the scheduled time has elapsed; the break is simply rescheduled until later
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if the minimum threshold hasn't been reached. If this first value is nil,
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then there is no minimum threshold; as soon as the scheduled time has
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elapsed, the user will always be queried.
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The second number is the maximum number of keystrokes that can be entered
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before a typing break is requested immediately, pre-empting the originally
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scheduled break. If this second value is nil, then no pre-emptive breaks
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will occur; only scheduled ones will.
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Keys with bucky bits (shift, control, meta, etc) are counted as only one
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keystroke even though they really require multiple keys to generate them.
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The command `type-break-guesstimate-keystroke-threshold' can be used to
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guess a reasonably good pair of values for this variable."
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:set-after '(type-break-interval)
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:type 'sexp
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:group 'type-break)
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(defcustom type-break-query-function 'yes-or-no-p
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"Function to use for making query for a typing break.
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It should take a string as an argument, the prompt.
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Usually this should be set to `yes-or-no-p' or `y-or-n-p'.
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To avoid being queried at all, set `type-break-query-mode' to nil."
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:type '(radio function
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(function-item yes-or-no-p)
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(function-item y-or-n-p))
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:group 'type-break)
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(defcustom type-break-query-interval 60
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"Number of seconds between queries to take a break, if put off.
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The user will continue to be prompted at this interval until he or she
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finally submits to taking a typing break."
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:type 'integer
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:group 'type-break)
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(defcustom type-break-time-warning-intervals '(300 120 60 30)
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"List of time intervals for warnings about upcoming typing break.
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At each of the intervals (specified in seconds) away from a scheduled
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typing break, print a warning in the echo area."
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:type '(repeat integer)
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:group 'type-break)
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(defcustom type-break-keystroke-warning-intervals '(300 200 100 50)
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"List of keystroke measurements for warnings about upcoming typing break.
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At each of the intervals (specified in keystrokes) away from the upper
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keystroke threshold, print a warning in the echo area.
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If either this variable or the upper threshold is set, then no warnings
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will occur."
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:type '(repeat integer)
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:group 'type-break)
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(defcustom type-break-warning-repeat 40
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"Number of keystrokes for which warnings should be repeated.
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That is, for each of this many keystrokes the warning is redisplayed
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in the echo area to make sure it's really seen."
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:type 'integer
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:group 'type-break)
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(defcustom type-break-time-stamp-format "[%H:%M] "
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"Timestamp format used to prefix messages.
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Format specifiers are as used by `format-time-string'."
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:type 'string
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:group 'type-break)
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(defcustom type-break-demo-functions
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'(type-break-demo-boring type-break-demo-life type-break-demo-hanoi)
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"List of functions to consider running as demos during typing breaks.
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When a typing break begins, one of these functions is selected randomly
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to have Emacs do something interesting.
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Any function in this list should start a demo which ceases as soon as a
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key is pressed."
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:type '(repeat function)
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:group 'type-break)
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(defcustom type-break-demo-boring-stats nil
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"Show word per minute and keystroke figures in the Boring demo."
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:type 'boolean
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:group 'type-break)
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(defcustom type-break-terse-messages nil
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"Use slightly terser messages."
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:type 'boolean
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:group 'type-break)
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(defcustom type-break-file-name
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(locate-user-emacs-file "type-break" ".type-break")
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"Name of file used to save state across sessions.
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If this is nil, no data will be saved across sessions."
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:version "24.4" ; added locate-user
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:type 'file)
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(defvar type-break-post-command-hook '(type-break-check)
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"Hook run indirectly by `post-command-hook' for typing break functions.
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This is not really intended to be set by the user, but it's probably
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harmless to do so. Mainly it is used by various parts of the typing break
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program to delay actions until after the user has completed some command.
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It exists because `post-command-hook' itself is inaccessible while its
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functions are being run, and some type-break--related functions want to
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remove themselves after running.")
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;; Mode line frobs
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(defvar type-break-mode-line-format
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'(type-break-mode-line-message-mode
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(""
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type-break-mode-line-break-message
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type-break-mode-line-warning))
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"Format of messages in the mode line concerning typing breaks.")
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(defvar type-break-mode-line-break-message
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'(type-break-mode-line-break-message-p
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type-break-mode-line-break-string))
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(defvar type-break-mode-line-break-message-p nil)
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(defvar type-break-mode-line-break-string " *** TAKE A TYPING BREAK NOW ***")
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(defvar type-break-mode-line-warning
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'(type-break-mode-line-break-message-p
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("")
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(type-break-warning-countdown-string
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(" *** "
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"Break in "
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type-break-warning-countdown-string
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" "
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type-break-warning-countdown-string-type
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"***"))))
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(defvar type-break-warning-countdown-string nil
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"If non-nil, this is a countdown for the next typing break.
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This variable, in conjunction with `type-break-warning-countdown-string-type'
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\(which indicates whether this value is a number of keystrokes or seconds)
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is installed in `mode-line-format' to notify of imminent typing breaks.")
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(defvar type-break-warning-countdown-string-type nil
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"Indicates the unit type of `type-break-warning-countdown-string'.
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It will be either \"seconds\" or \"keystrokes\".")
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;; These are internal variables. Do not set them yourself.
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(defvar type-break-alarm-p nil)
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(defvar type-break-keystroke-count 0)
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(defvar type-break-time-last-break nil)
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(defvar type-break-time-next-break nil)
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(defvar type-break-time-last-command (current-time))
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(defvar type-break-current-time-warning-interval nil)
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(defvar type-break-current-keystroke-warning-interval nil)
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(defvar type-break-time-warning-count 0)
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(defvar type-break-keystroke-warning-count 0)
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(defvar type-break-interval-start nil)
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;;;###autoload
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(define-minor-mode type-break-mode
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"Enable or disable typing-break mode.
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This is a minor mode, but it is global to all buffers by default.
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When this mode is enabled, the user is encouraged to take typing breaks at
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appropriate intervals; either after a specified amount of time or when the
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user has exceeded a keystroke threshold. When the time arrives, the user
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is asked to take a break. If the user refuses at that time, Emacs will ask
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again in a short period of time. The idea is to give the user enough time
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to find a good breaking point in his or her work, but be sufficiently
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annoying to discourage putting typing breaks off indefinitely.
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A negative prefix argument disables this mode.
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No argument or any non-negative argument enables it.
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The user may enable or disable this mode by setting the variable of the
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same name, though setting it in that way doesn't reschedule a break or
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reset the keystroke counter.
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If the mode was previously disabled and is enabled as a consequence of
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calling this function, it schedules a break with `type-break-schedule' to
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make sure one occurs (the user can call that command to reschedule the
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break at any time). It also initializes the keystroke counter.
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The variable `type-break-interval' specifies the number of seconds to
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schedule between regular typing breaks. This variable doesn't directly
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affect the time schedule; it simply provides a default for the
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`type-break-schedule' command.
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If set, the variable `type-break-good-rest-interval' specifies the minimum
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amount of time which is considered a reasonable typing break. Whenever
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that time has elapsed, typing breaks are automatically rescheduled for
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later even if Emacs didn't prompt you to take one first. Also, if a break
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is ended before this much time has elapsed, the user will be asked whether
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or not to continue. A nil value for this variable prevents automatic
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break rescheduling, making `type-break-interval' an upper bound on the time
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between breaks. In this case breaks will be prompted for as usual before
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the upper bound if the keystroke threshold is reached.
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If `type-break-good-rest-interval' is nil and
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`type-break-good-break-interval' is set, then confirmation is required to
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interrupt a break before `type-break-good-break-interval' seconds
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have passed. This provides for an upper bound on the time between breaks
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together with confirmation of interruptions to these breaks.
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The variable `type-break-keystroke-threshold' is used to determine the
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thresholds at which typing breaks should be considered. You can use
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the command `type-break-guesstimate-keystroke-threshold' to try to
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approximate good values for this.
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There are several variables that affect how or when warning messages about
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imminent typing breaks are displayed. They include:
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`type-break-mode-line-message-mode'
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`type-break-time-warning-intervals'
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`type-break-keystroke-warning-intervals'
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`type-break-warning-repeat'
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`type-break-warning-countdown-string'
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`type-break-warning-countdown-string-type'
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There are several variables that affect if, how, and when queries to begin
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a typing break occur. They include:
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`type-break-query-mode'
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`type-break-query-function'
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`type-break-query-interval'
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The command `type-break-statistics' prints interesting things.
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Finally, a file (named `type-break-file-name') is used to store information
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across Emacs sessions. This provides recovery of the break status between
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sessions and after a crash. Manual changes to the file may result in
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problems."
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:lighter type-break-mode-line-format
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:global t
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(type-break-check-post-command-hook)
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(cond
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;; ((and already-enabled type-break-mode)
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;; (and (called-interactively-p 'interactive)
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;; (message "Type Break mode is already enabled")))
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(type-break-mode
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(when type-break-file-name
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(with-current-buffer (find-file-noselect type-break-file-name 'nowarn)
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(setq buffer-save-without-query t)))
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(or global-mode-string (setq global-mode-string '(""))) ;FIXME: Why?
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(type-break-keystroke-reset)
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(type-break-mode-line-countdown-or-break nil)
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(setq type-break-time-last-break
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(or (type-break-get-previous-time)
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(current-time)))
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;; Schedule according to break time from session file.
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(type-break-schedule
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(let (diff)
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(if (and type-break-time-last-break
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(< (setq diff (type-break-time-difference
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type-break-time-last-break
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(current-time)))
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type-break-interval))
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;; Use the file's value.
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(progn
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(setq type-break-keystroke-count
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(type-break-get-previous-count))
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;; File the time, in case it was read from the auto-save file.
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(type-break-file-time type-break-interval-start)
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(setq type-break-interval-start type-break-time-last-break)
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(- type-break-interval diff))
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;; Schedule from now.
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(setq type-break-interval-start (current-time))
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(type-break-file-time type-break-interval-start)
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type-break-interval))
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type-break-interval-start
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type-break-interval))
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(t
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(type-break-keystroke-reset)
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(type-break-mode-line-countdown-or-break nil)
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(type-break-cancel-schedule)
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(do-auto-save)
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(when type-break-file-name
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(with-current-buffer (find-file-noselect type-break-file-name
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'nowarn)
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(set-buffer-modified-p nil)
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(unlock-buffer)
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(kill-this-buffer))))))
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(define-minor-mode type-break-mode-line-message-mode
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"Toggle warnings about typing breaks in the mode line.
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With a prefix argument ARG, enable these warnings if ARG is
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positive, and disable them otherwise. If called from Lisp,
|
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enable them if ARG is omitted or nil.
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The user may also enable or disable this mode simply by setting
|
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the variable of the same name.
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Variables controlling the display of messages in the mode line include:
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`mode-line-format'
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`global-mode-string'
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`type-break-mode-line-break-message'
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`type-break-mode-line-warning'"
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:global t :group 'type-break)
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(define-minor-mode type-break-query-mode
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"Toggle typing break queries.
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With a prefix argument ARG, enable these queries if ARG is
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positive, and disable them otherwise. If called from Lisp,
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enable them if ARG is omitted or nil.
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||
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||
The user may also enable or disable this mode simply by setting
|
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the variable of the same name."
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:global t :group 'type-break)
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;;; session file functions
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||
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(defvar type-break-auto-save-file-name
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(let ((buffer-file-name type-break-file-name))
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(make-auto-save-file-name))
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"Auto-save name of `type-break-file-name'.")
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|
||
(defun type-break-file-time (&optional time)
|
||
"File break time in `type-break-file-name', unless the file is locked."
|
||
(if (and type-break-file-name
|
||
(not (stringp (file-locked-p type-break-file-name))))
|
||
(with-current-buffer (find-file-noselect type-break-file-name
|
||
'nowarn)
|
||
(let ((inhibit-read-only t))
|
||
(erase-buffer)
|
||
(insert (format "%s\n\n" (or time type-break-interval-start)))
|
||
;; file saving is left to auto-save
|
||
))))
|
||
|
||
(defun type-break-file-keystroke-count ()
|
||
"File keystroke count in `type-break-file-name', unless the file is locked."
|
||
(if (and type-break-file-name
|
||
(not (stringp (file-locked-p type-break-file-name))))
|
||
;; Prevent deactivation of the mark in some other buffer.
|
||
(let (deactivate-mark)
|
||
(with-current-buffer (find-file-noselect type-break-file-name
|
||
'nowarn)
|
||
(save-excursion
|
||
(let ((inhibit-read-only t))
|
||
(goto-char (point-min))
|
||
(forward-line)
|
||
(delete-region (point) (line-end-position))
|
||
(insert (format "%s" type-break-keystroke-count))
|
||
;; file saving is left to auto-save
|
||
))))))
|
||
|
||
(defun timep (time)
|
||
"If TIME is in the format returned by `current-time' then
|
||
return TIME, else return nil."
|
||
(condition-case nil
|
||
(and (float-time time) time)
|
||
(error nil)))
|
||
|
||
(defun type-break-choose-file ()
|
||
"Return file to read from."
|
||
(cond
|
||
((not type-break-file-name)
|
||
nil)
|
||
((and (file-exists-p type-break-auto-save-file-name)
|
||
(file-readable-p type-break-auto-save-file-name))
|
||
type-break-auto-save-file-name)
|
||
((and (file-exists-p type-break-file-name)
|
||
(file-readable-p type-break-file-name))
|
||
type-break-file-name)
|
||
(t nil)))
|
||
|
||
(defun type-break-get-previous-time ()
|
||
"Get previous break time from `type-break-file-name'.
|
||
Returns nil if the file is missing or if the time breaks with the
|
||
`current-time' format."
|
||
(let ((file (type-break-choose-file)))
|
||
(if file
|
||
(timep ;; returns expected format, else nil
|
||
(with-current-buffer (find-file-noselect file 'nowarn)
|
||
(condition-case nil
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(read (current-buffer)))
|
||
(end-of-file
|
||
(error "End of file in `%s'" file))))))))
|
||
|
||
(defun type-break-get-previous-count ()
|
||
"Get previous keystroke count from `type-break-file-name'.
|
||
Return 0 if the file is missing or if the form read is not an
|
||
integer."
|
||
(let ((file (type-break-choose-file)))
|
||
(if (and file
|
||
(integerp
|
||
(setq file
|
||
(with-current-buffer
|
||
(find-file-noselect file 'nowarn)
|
||
(condition-case nil
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(forward-line 1)
|
||
(read (current-buffer)))
|
||
(end-of-file
|
||
(error "End of file in `%s'" file)))))))
|
||
file
|
||
0)))
|
||
|
||
|
||
;;;###autoload
|
||
(defun type-break ()
|
||
"Take a typing break.
|
||
|
||
During the break, a demo selected from the functions listed in
|
||
`type-break-demo-functions' is run.
|
||
|
||
After the typing break is finished, the next break is scheduled
|
||
as per the function `type-break-schedule'."
|
||
(interactive)
|
||
(do-auto-save)
|
||
(type-break-cancel-schedule)
|
||
;; remove any query scheduled during interactive invocation
|
||
(remove-hook 'type-break-post-command-hook 'type-break-do-query)
|
||
(let ((continue t)
|
||
(start-time (current-time)))
|
||
(setq type-break-time-last-break start-time)
|
||
(while continue
|
||
(save-window-excursion
|
||
;; Eat the screen.
|
||
(and (eq (selected-window) (minibuffer-window))
|
||
(other-window 1))
|
||
(delete-other-windows)
|
||
(scroll-right (window-width))
|
||
(unless type-break-terse-messages
|
||
(message "Press any key to resume from typing break."))
|
||
|
||
(let* ((len (length type-break-demo-functions))
|
||
(idx (random len))
|
||
(fn (nth idx type-break-demo-functions)))
|
||
(condition-case ()
|
||
(funcall fn)
|
||
(error nil))))
|
||
|
||
(let ((good-interval (or type-break-good-rest-interval
|
||
type-break-good-break-interval)))
|
||
(cond
|
||
(good-interval
|
||
(let ((break-secs (type-break-time-difference
|
||
start-time (current-time))))
|
||
(cond
|
||
((>= break-secs good-interval)
|
||
(setq continue nil))
|
||
;; 60 seconds may be too much leeway if the break is only 3
|
||
;; minutes to begin with. You can just say "no" to the query
|
||
;; below if you're in that much of a hurry.
|
||
;;((> 60 (abs (- break-secs good-interval)))
|
||
;; (setq continue nil))
|
||
((funcall
|
||
type-break-query-function
|
||
(format
|
||
(if type-break-terse-messages
|
||
"%s%s remaining. Continue break? "
|
||
"%sYou really ought to rest %s more. Continue break? ")
|
||
(type-break-time-stamp)
|
||
(type-break-format-time (- good-interval
|
||
break-secs)))))
|
||
(t
|
||
(setq continue nil)))))
|
||
(t (setq continue nil))))))
|
||
|
||
(type-break-keystroke-reset)
|
||
(type-break-file-time)
|
||
(type-break-mode-line-countdown-or-break nil)
|
||
(type-break-schedule))
|
||
|
||
|
||
(defun type-break-schedule (&optional time start interval)
|
||
"Schedule a typing break for TIME seconds from now.
|
||
If time is not specified it defaults to `type-break-interval'.
|
||
START and INTERVAL are used when recovering a break.
|
||
START is the start of the break (defaults to now).
|
||
INTERVAL is the full length of an interval (defaults to TIME)."
|
||
(interactive (list (and current-prefix-arg
|
||
(prefix-numeric-value current-prefix-arg))))
|
||
(or time (setq time type-break-interval))
|
||
(type-break-check-post-command-hook)
|
||
(type-break-cancel-schedule)
|
||
(type-break-time-warning-schedule time 'reset)
|
||
(type-break-run-at-time (max 1 time) nil 'type-break-alarm)
|
||
(setq type-break-time-next-break
|
||
(type-break-time-sum (or start (current-time))
|
||
(or interval time))))
|
||
|
||
(defun type-break-cancel-schedule ()
|
||
(type-break-cancel-time-warning-schedule)
|
||
(type-break-cancel-function-timers 'type-break-alarm)
|
||
(setq type-break-alarm-p nil)
|
||
(setq type-break-time-next-break nil))
|
||
|
||
(defun type-break-time-warning-schedule (&optional time resetp)
|
||
(let ((type-break-current-time-warning-interval nil))
|
||
(type-break-cancel-time-warning-schedule))
|
||
(add-hook 'type-break-post-command-hook 'type-break-time-warning 'append)
|
||
(cond
|
||
(type-break-time-warning-intervals
|
||
(and resetp
|
||
(setq type-break-current-time-warning-interval
|
||
type-break-time-warning-intervals))
|
||
|
||
(or time
|
||
(setq time (type-break-time-difference (current-time)
|
||
type-break-time-next-break)))
|
||
|
||
(while (and type-break-current-time-warning-interval
|
||
(> (car type-break-current-time-warning-interval) time))
|
||
(setq type-break-current-time-warning-interval
|
||
(cdr type-break-current-time-warning-interval)))
|
||
|
||
(cond
|
||
(type-break-current-time-warning-interval
|
||
(setq time (- time (car type-break-current-time-warning-interval)))
|
||
(setq type-break-current-time-warning-interval
|
||
(cdr type-break-current-time-warning-interval))
|
||
|
||
;(let (type-break-current-time-warning-interval)
|
||
; (type-break-cancel-time-warning-schedule))
|
||
(type-break-run-at-time (max 1 time) nil 'type-break-time-warning-alarm)
|
||
|
||
(cond
|
||
(resetp
|
||
(setq type-break-warning-countdown-string nil))
|
||
(t
|
||
(setq type-break-warning-countdown-string (number-to-string time))
|
||
(setq type-break-warning-countdown-string-type "seconds"))))))))
|
||
|
||
(defun type-break-cancel-time-warning-schedule ()
|
||
(type-break-cancel-function-timers 'type-break-time-warning-alarm)
|
||
(remove-hook 'type-break-post-command-hook 'type-break-time-warning)
|
||
(setq type-break-current-time-warning-interval
|
||
type-break-time-warning-intervals)
|
||
(setq type-break-time-warning-count 0) ; avoid warnings after break
|
||
(setq type-break-warning-countdown-string nil))
|
||
|
||
(defun type-break-alarm ()
|
||
(type-break-check-post-command-hook)
|
||
(setq type-break-alarm-p t)
|
||
(type-break-mode-line-countdown-or-break 'break))
|
||
|
||
(defun type-break-time-warning-alarm ()
|
||
(type-break-check-post-command-hook)
|
||
(type-break-time-warning-schedule)
|
||
(setq type-break-time-warning-count type-break-warning-repeat)
|
||
(type-break-time-warning)
|
||
(type-break-mode-line-countdown-or-break 'countdown))
|
||
|
||
|
||
(defun type-break-run-tb-post-command-hook ()
|
||
(and type-break-mode
|
||
(run-hooks 'type-break-post-command-hook)))
|
||
|
||
(defun type-break-check ()
|
||
"Ask to take a typing break if appropriate.
|
||
This may be the case either because the scheduled time has come \(and the
|
||
minimum keystroke threshold has been reached\) or because the maximum
|
||
keystroke threshold has been exceeded."
|
||
(type-break-file-keystroke-count)
|
||
(let* ((min-threshold (car type-break-keystroke-threshold))
|
||
(max-threshold (cdr type-break-keystroke-threshold)))
|
||
(and type-break-good-rest-interval
|
||
(progn
|
||
(and (> (type-break-time-difference
|
||
type-break-time-last-command (current-time))
|
||
type-break-good-rest-interval)
|
||
(progn
|
||
(type-break-keystroke-reset)
|
||
(type-break-mode-line-countdown-or-break nil)
|
||
(setq type-break-time-last-break (current-time))
|
||
(type-break-schedule)))
|
||
(setq type-break-time-last-command (current-time))))
|
||
|
||
(and type-break-keystroke-threshold
|
||
(let ((keys (this-command-keys)))
|
||
(cond
|
||
;; Ignore mouse motion
|
||
((and (vectorp keys)
|
||
(consp (aref keys 0))
|
||
(memq (car (aref keys 0)) '(mouse-movement))))
|
||
(t
|
||
(setq type-break-keystroke-count
|
||
(+ type-break-keystroke-count (length keys)))))))
|
||
|
||
(cond
|
||
(type-break-alarm-p
|
||
(cond
|
||
((input-pending-p))
|
||
((eq (selected-window) (minibuffer-window)))
|
||
((and min-threshold
|
||
(< type-break-keystroke-count min-threshold))
|
||
(type-break-schedule))
|
||
(t
|
||
;; If keystroke count is within min-threshold of
|
||
;; max-threshold, lower it to reduce the likelihood of an
|
||
;; immediate subsequent query.
|
||
(and max-threshold
|
||
min-threshold
|
||
(< (- max-threshold type-break-keystroke-count) min-threshold)
|
||
(progn
|
||
(type-break-keystroke-reset)
|
||
(setq type-break-keystroke-count min-threshold)))
|
||
(type-break-query))))
|
||
((and type-break-keystroke-warning-intervals
|
||
max-threshold
|
||
(= type-break-keystroke-warning-count 0)
|
||
(type-break-check-keystroke-warning)))
|
||
((and max-threshold
|
||
(> type-break-keystroke-count max-threshold)
|
||
(not (input-pending-p))
|
||
(not (eq (selected-window) (minibuffer-window))))
|
||
(type-break-keystroke-reset)
|
||
(setq type-break-keystroke-count (or min-threshold 0))
|
||
(type-break-query)))))
|
||
|
||
;; This should return t if warnings were enabled, nil otherwise.
|
||
(defun type-break-check-keystroke-warning ()
|
||
;; This is safe because the caller should have checked that the cdr was
|
||
;; non-nil already.
|
||
(let ((left (- (cdr type-break-keystroke-threshold)
|
||
type-break-keystroke-count)))
|
||
(cond
|
||
((null (car type-break-current-keystroke-warning-interval))
|
||
nil)
|
||
((> left (car type-break-current-keystroke-warning-interval))
|
||
nil)
|
||
(t
|
||
(while (and (car type-break-current-keystroke-warning-interval)
|
||
(< left (car type-break-current-keystroke-warning-interval)))
|
||
(setq type-break-current-keystroke-warning-interval
|
||
(cdr type-break-current-keystroke-warning-interval)))
|
||
(setq type-break-keystroke-warning-count type-break-warning-repeat)
|
||
(add-hook 'type-break-post-command-hook 'type-break-keystroke-warning)
|
||
(setq type-break-warning-countdown-string (number-to-string left))
|
||
(setq type-break-warning-countdown-string-type "keystrokes")
|
||
(type-break-mode-line-countdown-or-break 'countdown)
|
||
t))))
|
||
|
||
;; Arrange for a break query to be made, when the user stops typing furiously.
|
||
(defun type-break-query ()
|
||
(add-hook 'type-break-post-command-hook 'type-break-do-query))
|
||
|
||
(defun type-break-do-query ()
|
||
(cond
|
||
((not type-break-query-mode)
|
||
(type-break-noninteractive-query)
|
||
(type-break-schedule type-break-query-interval)
|
||
(remove-hook 'type-break-post-command-hook 'type-break-do-query))
|
||
((sit-for 2)
|
||
(condition-case ()
|
||
(cond
|
||
((let ((type-break-mode nil)
|
||
;; yes-or-no-p sets this-command to exit-minibuffer,
|
||
;; which hoses undo or yank-pop (if you happened to be
|
||
;; yanking just when the query occurred).
|
||
(this-command this-command))
|
||
;; Cancel schedule to prevent possibility of a second query
|
||
;; from taking place before this one has even returned.
|
||
;; The condition-case wrapper will reschedule on quit.
|
||
(type-break-cancel-schedule)
|
||
;; Also prevent a second query when the break is interrupted.
|
||
(remove-hook 'type-break-post-command-hook 'type-break-do-query)
|
||
(funcall type-break-query-function
|
||
(format "%s%s"
|
||
(type-break-time-stamp)
|
||
(if type-break-terse-messages
|
||
"Break now? "
|
||
"Take a break from typing now? "))))
|
||
(type-break))
|
||
(t
|
||
(type-break-schedule type-break-query-interval)))
|
||
(quit
|
||
(type-break-schedule type-break-query-interval))))))
|
||
|
||
(defun type-break-noninteractive-query (&optional _ignored-args)
|
||
"Null query function which doesn't interrupt user and assumes `no'.
|
||
It prints a reminder in the echo area to take a break, but doesn't enforce
|
||
this or ask the user to start one right now."
|
||
(cond
|
||
(type-break-mode-line-message-mode)
|
||
(t
|
||
(beep t)
|
||
(message "%sYou should take a typing break now. Do `M-x type-break'."
|
||
(type-break-time-stamp))
|
||
(sit-for 1)
|
||
(beep t)
|
||
;; return nil so query caller knows to reset reminder, as if user
|
||
;; said "no" in response to yes-or-no-p.
|
||
nil)))
|
||
|
||
(defun type-break-time-warning ()
|
||
(cond
|
||
((and (car type-break-keystroke-threshold)
|
||
(< type-break-keystroke-count (car type-break-keystroke-threshold))))
|
||
((> type-break-time-warning-count 0)
|
||
(let ((timeleft (type-break-time-difference (current-time)
|
||
type-break-time-next-break)))
|
||
(setq type-break-warning-countdown-string (number-to-string timeleft))
|
||
(cond
|
||
((eq (selected-window) (minibuffer-window)))
|
||
;; Do nothing if the command was just a prefix arg, since that will
|
||
;; immediately be followed by some other interactive command.
|
||
;; Otherwise, it is particularly annoying for the sit-for below to
|
||
;; delay redisplay when one types sequences like `C-u -1 C-l'.
|
||
((memq this-command '(digit-argument universal-argument)))
|
||
((not type-break-mode-line-message-mode)
|
||
;; Pause for a moment so any previous message can be seen.
|
||
(sit-for 2)
|
||
(message "%sWarning: typing break due in %s."
|
||
(type-break-time-stamp)
|
||
(type-break-format-time timeleft))
|
||
(setq type-break-time-warning-count
|
||
(1- type-break-time-warning-count))))))
|
||
(t
|
||
(remove-hook 'type-break-post-command-hook 'type-break-time-warning)
|
||
(setq type-break-warning-countdown-string nil))))
|
||
|
||
(defun type-break-keystroke-warning ()
|
||
(cond
|
||
((> type-break-keystroke-warning-count 0)
|
||
(setq type-break-warning-countdown-string
|
||
(number-to-string (- (cdr type-break-keystroke-threshold)
|
||
type-break-keystroke-count)))
|
||
(cond
|
||
((eq (selected-window) (minibuffer-window)))
|
||
;; Do nothing if the command was just a prefix arg, since that will
|
||
;; immediately be followed by some other interactive command.
|
||
;; Otherwise, it is particularly annoying for the sit-for below to
|
||
;; delay redisplay when one types sequences like `C-u -1 C-l'.
|
||
((memq this-command '(digit-argument universal-argument)))
|
||
((not type-break-mode-line-message-mode)
|
||
(sit-for 2)
|
||
(message "%sWarning: typing break due in %s keystrokes."
|
||
(type-break-time-stamp)
|
||
(- (cdr type-break-keystroke-threshold)
|
||
type-break-keystroke-count))
|
||
(setq type-break-keystroke-warning-count
|
||
(1- type-break-keystroke-warning-count)))))
|
||
(t
|
||
(remove-hook 'type-break-post-command-hook
|
||
'type-break-keystroke-warning)
|
||
(setq type-break-warning-countdown-string nil))))
|
||
|
||
(defun type-break-mode-line-countdown-or-break (&optional type)
|
||
(cond
|
||
((not type-break-mode-line-message-mode))
|
||
((eq type 'countdown)
|
||
;(setq type-break-mode-line-break-message-p nil)
|
||
(add-hook 'type-break-post-command-hook
|
||
'type-break-force-mode-line-update 'append))
|
||
((eq type 'break)
|
||
;; Alternate
|
||
(setq type-break-mode-line-break-message-p
|
||
(not type-break-mode-line-break-message-p))
|
||
(remove-hook 'type-break-post-command-hook
|
||
'type-break-force-mode-line-update))
|
||
(t
|
||
(setq type-break-mode-line-break-message-p nil)
|
||
(setq type-break-warning-countdown-string nil)
|
||
(remove-hook 'type-break-post-command-hook
|
||
'type-break-force-mode-line-update)))
|
||
(type-break-force-mode-line-update))
|
||
|
||
|
||
;;;###autoload
|
||
(defun type-break-statistics ()
|
||
"Print statistics about typing breaks in a temporary buffer.
|
||
This includes the last time a typing break was taken, when the next one is
|
||
scheduled, the keystroke thresholds and the current keystroke count, etc."
|
||
(interactive)
|
||
(with-output-to-temp-buffer "*Typing Break Statistics*"
|
||
(princ (format "Typing break statistics\n-----------------------\n
|
||
Typing break mode is currently %s.
|
||
Interactive query for breaks is %s.
|
||
Warnings of imminent typing breaks in mode line is %s.
|
||
|
||
Last typing break ended : %s
|
||
Next scheduled typing break : %s\n
|
||
Minimum keystroke threshold : %s
|
||
Maximum keystroke threshold : %s
|
||
Current keystroke count : %s"
|
||
(if type-break-mode "enabled" "disabled")
|
||
(if type-break-query-mode "enabled" "disabled")
|
||
(if type-break-mode-line-message-mode "enabled" "disabled")
|
||
(if type-break-time-last-break
|
||
(current-time-string type-break-time-last-break)
|
||
"never")
|
||
(if (and type-break-mode type-break-time-next-break)
|
||
(format "%s\t(%s from now)"
|
||
(current-time-string type-break-time-next-break)
|
||
(type-break-format-time
|
||
(type-break-time-difference
|
||
(current-time)
|
||
type-break-time-next-break)))
|
||
"none scheduled")
|
||
(or (car type-break-keystroke-threshold) "none")
|
||
(or (cdr type-break-keystroke-threshold) "none")
|
||
type-break-keystroke-count))))
|
||
|
||
;;;###autoload
|
||
(defun type-break-guesstimate-keystroke-threshold (wpm &optional wordlen frac)
|
||
"Guess values for the minimum/maximum keystroke threshold for typing breaks.
|
||
|
||
If called interactively, the user is prompted for their guess as to how
|
||
many words per minute they usually type. This value should not be your
|
||
maximum WPM, but your average. Of course, this is harder to gauge since it
|
||
can vary considerably depending on what you are doing. For example, one
|
||
tends to type less when debugging a program as opposed to writing
|
||
documentation. (Perhaps a separate program should be written to estimate
|
||
average typing speed.)
|
||
|
||
From that, this command sets the values in `type-break-keystroke-threshold'
|
||
based on a fairly simple algorithm involving assumptions about the average
|
||
length of words (5). For the minimum threshold, it uses about a fifth of
|
||
the computed maximum threshold.
|
||
|
||
When called from Lisp programs, the optional args WORDLEN and FRAC can be
|
||
used to override the default assumption about average word length and the
|
||
fraction of the maximum threshold to which to set the minimum threshold.
|
||
FRAC should be the inverse of the fractional value; for example, a value of
|
||
2 would mean to use one half, a value of 4 would mean to use one quarter, etc."
|
||
(interactive "NOn average, how many words per minute do you type? ")
|
||
(let* ((upper (* wpm (or wordlen 5) (/ type-break-interval 60)))
|
||
(lower (/ upper (or frac 5))))
|
||
(or type-break-keystroke-threshold
|
||
(setq type-break-keystroke-threshold (cons nil nil)))
|
||
(setcar type-break-keystroke-threshold lower)
|
||
(setcdr type-break-keystroke-threshold upper)
|
||
(if (called-interactively-p 'interactive)
|
||
(message "min threshold: %d\tmax threshold: %d" lower upper))
|
||
type-break-keystroke-threshold))
|
||
|
||
|
||
;;; misc functions
|
||
|
||
;; Compute the difference, in seconds, between a and b, two structures
|
||
;; similar to those returned by `current-time'.
|
||
(defun type-break-time-difference (a b)
|
||
(round (float-time (time-subtract b a))))
|
||
|
||
;; Return (in a new list the same in structure to that returned by
|
||
;; `current-time') the sum of the arguments. Each argument may be a time
|
||
;; list or a single integer, a number of seconds.
|
||
;; This function keeps the high and low 16 bits of the seconds properly
|
||
;; balanced so that the lower value never exceeds 16 bits. Otherwise, when
|
||
;; the result is passed to `current-time-string' it will toss some of the
|
||
;; "low" bits and format the time incorrectly.
|
||
(defun type-break-time-sum (&rest tmlist)
|
||
(let ((sum '(0 0 0)))
|
||
(dolist (tem tmlist)
|
||
(setq sum (time-add sum (if (integerp tem)
|
||
(list (floor tem 65536) (mod tem 65536))
|
||
tem))))
|
||
sum))
|
||
|
||
(defun type-break-time-stamp (&optional when)
|
||
(if (fboundp 'format-time-string)
|
||
(format-time-string type-break-time-stamp-format when)
|
||
;; Emacs 19.28 and prior do not have format-time-string.
|
||
;; In that case, result is not customizable. Upgrade today!
|
||
(format "[%s] " (substring (current-time-string when) 11 16))))
|
||
|
||
(defun type-break-format-time (secs)
|
||
(let ((mins (/ secs 60)))
|
||
(cond
|
||
((= mins 1) (format "%d minute" mins))
|
||
((> mins 0) (format "%d minutes" mins))
|
||
((= secs 1) (format "%d second" secs))
|
||
(t (format "%d seconds" secs)))))
|
||
|
||
(defun type-break-keystroke-reset ()
|
||
(setq type-break-interval-start (current-time)) ; not a keystroke
|
||
(setq type-break-keystroke-count 0)
|
||
(setq type-break-keystroke-warning-count 0)
|
||
(setq type-break-current-keystroke-warning-interval
|
||
type-break-keystroke-warning-intervals)
|
||
(remove-hook 'type-break-post-command-hook 'type-break-keystroke-warning))
|
||
|
||
(defun type-break-force-mode-line-update (&optional all)
|
||
"Force the mode-line of the current buffer to be redisplayed.
|
||
With optional non-nil ALL, force redisplay of all mode-lines."
|
||
(and all (with-current-buffer (other-buffer)))
|
||
(set-buffer-modified-p (buffer-modified-p)))
|
||
|
||
;; If an exception occurs in Emacs while running the post command hook, the
|
||
;; value of that hook is clobbered. This is because the value of the
|
||
;; variable is temporarily set to nil while it's running to prevent
|
||
;; recursive application, but it also means an exception aborts the routine
|
||
;; of restoring it. This function is called from the timers to restore it,
|
||
;; just in case.
|
||
(defun type-break-check-post-command-hook ()
|
||
(add-hook 'post-command-hook 'type-break-run-tb-post-command-hook 'append))
|
||
|
||
|
||
;;; Timer wrapper functions
|
||
;;
|
||
;; These shield type-break from variations in the interval timer packages
|
||
;; for different versions of Emacs.
|
||
|
||
(defun type-break-run-at-time (time repeat function)
|
||
(condition-case nil (or (require 'timer) (require 'itimer)) (error nil))
|
||
(run-at-time time repeat function))
|
||
|
||
(defvar timer-dont-exit)
|
||
(defun type-break-cancel-function-timers (function)
|
||
(let ((timer-dont-exit t))
|
||
(cancel-function-timers function)))
|
||
|
||
|
||
;;; Demo wrappers
|
||
|
||
(defun type-break-catch-up-event ()
|
||
;; If the last input event is a down-event, read and discard the
|
||
;; corresponding up-event too, to avoid triggering another prompt.
|
||
(and (eventp last-input-event)
|
||
(memq 'down (event-modifiers last-input-event))
|
||
(read-event)))
|
||
|
||
;; This is a wrapper around hanoi that calls it with an arg large enough to
|
||
;; make the largest discs possible that will fit in the window.
|
||
;; Also, clean up the *Hanoi* buffer after we're done.
|
||
(defun type-break-demo-hanoi ()
|
||
"Take a hanoiing typing break."
|
||
(and (get-buffer "*Hanoi*")
|
||
(kill-buffer "*Hanoi*"))
|
||
(condition-case ()
|
||
(progn
|
||
(hanoi (/ (window-width) 8))
|
||
;; Wait for user to come back.
|
||
(read-event)
|
||
(type-break-catch-up-event)
|
||
(kill-buffer "*Hanoi*"))
|
||
(quit
|
||
(read-event)
|
||
(type-break-catch-up-event)
|
||
(and (get-buffer "*Hanoi*")
|
||
(kill-buffer "*Hanoi*")))))
|
||
|
||
;; This is a wrapper around life that calls it with a `sleep' arg to make
|
||
;; it run a little more leisurely.
|
||
;; Also, clean up the *Life* buffer after we're done.
|
||
(defun type-break-demo-life ()
|
||
"Take a typing break and get a life."
|
||
(let ((continue t))
|
||
(while continue
|
||
(setq continue nil)
|
||
(and (get-buffer "*Life*")
|
||
(kill-buffer "*Life*"))
|
||
(condition-case ()
|
||
(progn
|
||
(life 3)
|
||
;; wait for user to return
|
||
(read-event)
|
||
(type-break-catch-up-event)
|
||
(kill-buffer "*Life*"))
|
||
(life-extinct
|
||
(message "%s" (get 'life-extinct 'error-message))
|
||
;; restart demo
|
||
(setq continue t))
|
||
(quit
|
||
(type-break-catch-up-event)
|
||
(and (get-buffer "*Life*")
|
||
(kill-buffer "*Life*")))))))
|
||
|
||
;; Boring demo, but doesn't use many cycles
|
||
(defun type-break-demo-boring ()
|
||
"Boring typing break demo."
|
||
(let ((rmsg (if type-break-terse-messages
|
||
""
|
||
"Press any key to resume from typing break"))
|
||
(buffer-name "*Typing Break Buffer*")
|
||
lines elapsed timeleft tmsg)
|
||
(condition-case ()
|
||
(progn
|
||
(switch-to-buffer (get-buffer-create buffer-name))
|
||
(buffer-disable-undo (current-buffer))
|
||
(setq lines (/ (window-body-height) 2))
|
||
(unless type-break-terse-messages (setq lines (1- lines)))
|
||
(if type-break-demo-boring-stats
|
||
(setq lines (- lines 2)))
|
||
(setq lines (make-string lines ?\C-j))
|
||
(while (not (input-pending-p))
|
||
(erase-buffer)
|
||
(setq elapsed (type-break-time-difference
|
||
type-break-time-last-break
|
||
(current-time)))
|
||
(let ((good-interval (or type-break-good-rest-interval
|
||
type-break-good-break-interval)))
|
||
(cond
|
||
(good-interval
|
||
(setq timeleft (- good-interval elapsed))
|
||
(if (> timeleft 0)
|
||
(setq tmsg
|
||
(format (if type-break-terse-messages
|
||
"Break remaining: %s"
|
||
"You should rest for %s more")
|
||
(type-break-format-time timeleft)))
|
||
(setq tmsg
|
||
(format (if type-break-terse-messages
|
||
"Break complete (%s elapsed in total)"
|
||
"Typing break has lasted %s")
|
||
(type-break-format-time elapsed)))))
|
||
(t
|
||
(setq tmsg
|
||
(format (if type-break-terse-messages
|
||
"Break has lasted %s"
|
||
"Typing break has lasted %s")
|
||
(type-break-format-time elapsed))))))
|
||
(insert lines
|
||
(make-string (/ (- (window-width) (length tmsg)) 2) ?\ )
|
||
tmsg)
|
||
(if (> (length rmsg) 0)
|
||
(insert "\n"
|
||
(make-string (/ (- (window-width) (length rmsg)) 2)
|
||
?\ )
|
||
rmsg))
|
||
(if type-break-demo-boring-stats
|
||
(let*
|
||
((message
|
||
(format
|
||
(if type-break-terse-messages
|
||
"Since last break: %s keystrokes\n"
|
||
"Since your last break you've typed %s keystrokes\n")
|
||
type-break-keystroke-count))
|
||
(column-spaces
|
||
(make-string (/ (- (window-width) (length message)) 2)
|
||
?\ ))
|
||
(wpm (/ (/ (float type-break-keystroke-count) 5)
|
||
(/ (type-break-time-difference
|
||
type-break-interval-start
|
||
type-break-time-last-break)
|
||
60.0))))
|
||
(insert "\n\n" column-spaces message)
|
||
(if type-break-terse-messages
|
||
(insert (format " %s%.2f wpm"
|
||
column-spaces
|
||
wpm))
|
||
(setq message
|
||
(format "at an average of %.2f words per minute"
|
||
wpm))
|
||
(insert
|
||
(make-string (/ (- (window-width) (length message)) 2)
|
||
?\ )
|
||
message))))
|
||
(goto-char (point-min))
|
||
(sit-for 60))
|
||
(read-event)
|
||
(type-break-catch-up-event)
|
||
(kill-buffer buffer-name))
|
||
(quit
|
||
(and (get-buffer buffer-name)
|
||
(kill-buffer buffer-name))))))
|
||
|
||
|
||
(provide 'type-break)
|
||
|
||
(if type-break-mode
|
||
(type-break-mode 1))
|
||
|
||
;;; type-break.el ends here
|