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;;; acdw.el -*- lexical-binding: t; coding: utf-8-unix -*-
;; Author: Case Duckworth <acdw@acdw.net>
;; Created: Sometime during Covid-19, 2020
;; Keywords: configuration
;; URL: https://tildegit.org/acdw/emacs
;; This file is NOT part of GNU Emacs.
;;; License:
;; Everyone is permitted to do whatever with this software, without
;; limitation. This software comes without any warranty whatsoever,
;; but with two pieces of advice:
;; - Don't hurt yourself.
;; - Make good choices.
;;; Commentary:
;; `acdw.el' contains `acdw/map', its mode, and assorted ease-of-life
;; functions for me, acdw.
;;; Code:
;; Utility constants
(defconst acdw/system (pcase system-type
('gnu/linux :home)
((or 'msdos 'windows-nt) :work)
(_ :other))
"Which computer system is currently being used.")
;; Utility functions
(defmacro when-unfocused (name &rest forms)
"Define a function NAME, executing FORMS, that fires when Emacs
is unfocused."
(declare (indent 1))
(let ((func-name (intern (concat "when-unfocused-" (symbol-name name)))))
`(progn
(defun ,func-name () "Defined by `when-unfocused'."
(when (seq-every-p #'null
(mapcar #'frame-focus-state (frame-list)))
,@forms))
(add-function :after after-focus-change-function #',func-name))))
(defmacro hook-defun (name hooks &rest forms)
"Define a function NAME that executes FORMS, and add it to
each hook in HOOKS."
(declare (indent 2))
(let ((func-name (intern (concat "hook-defun-" (symbol-name name))))
(hook-list (if (consp hooks) hooks (list hooks)))
(hook-defun-add-hook-list))
`(progn
(defun ,func-name () "Defined by `hook-defun'." ,@forms)
,@(dolist (hook hook-list hook-defun-add-hook-list)
(push `(add-hook ',hook #',func-name) hook-defun-add-hook-list)))))
(defun refresh-emacs ()
"Reload Emacs's configuration files."
(interactive)
(dolist (file (list (locate-user-emacs-file "early-init.el")
(locate-user-emacs-file "init.el" ".emacs")))
(when (file-exists-p file)
(load-file file))))
(defun acdw/dir (&optional file make-directory)
"Place Emacs files in one place.
If called without parameters, `acdw/dir' expands to
~/.emacs.d/var or similar. If called with FILE, `acdw/dir'
expands FILE to ~/.emacs.d/var, optionally making its directory
if MAKE-DIRECTORY is non-nil."
(let ((dir (expand-file-name (convert-standard-filename "var/")
user-emacs-directory)))
(if file
(let ((file-name (expand-file-name (convert-standard-filename file)
dir)))
(when make-directory
(make-directory (file-name-directory file-name) 'parents))
file-name)
dir)))
(defun acdw/gc-enable ()
"Enable the Garbage collector."
(setq gc-cons-threshold (* 800 1024 1024)
gc-cons-percentage 0.1))
(defun acdw/gc-disable ()
"Functionally disable the Garbage collector."
(setq gc-cons-threshold most-positive-fixnum
gc-cons-percentage 0.8))
;; Make `C-z' more useful
(defvar acdw/leader
(let ((map (make-sparse-keymap))
(c-z (global-key-binding "\C-z")))
(global-set-key "\C-z" map)
(define-key map "\C-z" c-z)
map))
(provide 'acdw)
;;; acdw.el ends here
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