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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
;; Bankruptcy: 5b
;;
;; 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:
;;; Directories (think `no-littering')
(defvar acdw/dir (expand-file-name
(convert-standard-filename "var/")
user-emacs-directory)
"A directory to hold extra configuration and emacs data.")
(defun acdw/in-dir (file &optional make-directory)
"Expand FILE relative to `acdw/dir', optionally creating its
directory."
(let ((f (expand-file-name (convert-standard-filename file)
acdw/dir)))
(when make-directory
(make-directory (file-name-directory file) 'parents))
f))
;;; Settings
(defun acdw/set (assignments)
"Perform `customize-set-variable' on each of ASSIGNMENTS.
ASSIGNMENTS is a list where each element is of the form
(VARIABLE VALUE [COMMENT])."
(dolist (assignment assignments)
(customize-set-variable (car assignment)
(cadr assignment)
(if (and (caddr assignment)
(stringp (caddr assignment)))
(caddr assignment)
"Customized by `acdw/set'."))))
;;; Faces
(defun acdw/set-face (face spec)
"Customize FACE according to SPEC, and register it with `customize'.
SPEC is as for `defface'."
(put face 'customized-face spec)
(face-spec-set face spec))
(defmacro acdw/set-faces (face-specs)
"Run `acdw/set-face' over each face in FACE-SPECS."
(let (face-list)
(dolist (face face-specs)
(push `(acdw/set-face ',(car face) ',(cdr face)) face-list))
`(progn
,@face-list)))
;;; Hooks
;; XXX NOT WORKING
(defmacro acdw/defun-hook (hook docstring &optional depth local &rest forms)
"Add FORMS to a function described by DOCSTRING, then add that
function to HOOK. DOCSTRING is converted to a function name by
calling `docstring-to-symbol', if it's a string, or used as-is
otherwise. The optional DEPTH and LOCAL are passed to
`add-hook', if they're present (i.e., not a list).
This macro aims to split the difference between the syntax of
lambdas in hooks and the ability to easily disable hooks."
(declare (indent 2))
(let ((name (if (stringp docstring)
(docstring-to-symbol docstring "hook-")
docstring)))
(when (listp local) (push local forms) (setq local nil))
(when (listp depth) (push depth forms) (setq depth 0))
`(progn
(defun ,name () ,@forms)
(add-hook ,hook #',name ,depth ,local))))
(defmacro acdw/hooks (hooks funcs &optional depth local)
"Add FUNCS to HOOKS.
Either HOOKS or FUNCS can be a list, in which case they're mapped
over to add all FUNCS to all HOOKS. They can also be singletons,
in which case `acdw/hooks' acts pretty much like `add-hook'.
DEPTH and LOCAL apply to all HOOKS defined here. If you need
more fine-grained control, just use `add-hook'."
(let ((hooks (if (listp hooks) hooks (list hooks)))
(funcs (if (listp funcs) funcs (list funcs)))
(depth (if depth depth 0))
(hook-list))
(dolist (hook hooks)
(dolist (func funcs)
(push `(add-hook ',hook #',func ,depth ,local) hook-list)))
`(progn
,@hook-list)))
;; Utilities
(defun docstring-to-symbol (docstring &optional prefix)
"Convert a DOCSTRING to a symbol by lowercasing the string,
converting non-symbol-safe characters to '-', and calling
`intern'. Returns the created symbol."
(let ((str (split-string (downcase docstring) "[ \f\t\n\r\v'\"`,]+"
:omit-nulls)))
(when prefix (push prefix str))
(intern (mapconcat #'identity str "-"))))
;;; Keybindings
(defvar acdw/bind-default-map 'acdw/map
"The default keymap to use with `acdw/bind'.")
(defmacro acdw/bind (key command &rest args)
"A simple key-binding macro to take care of the repetitive stuff
automatically.
If KEY is a vector, it's passed directly to `define-key',
otherwise it's wrapped in `read-kbd-macro'.
The following keywords are recognized:
:autoload ARGS .. call `autoload' on COMMAND using ARGS before
binding the key. ARGS can be just the filename to load; in
that case it's wrapped in a list.
:map KEYMAP .. define KEY in KEYMAP instead of the
default `acdw/bind-default-map'."
(let ((autoload (when-let (sym (plist-get args :autoload))
(if (not (listp sym))
(list sym)
sym)))
(keymap (or (plist-get args :map) acdw/bind-default-map))
(keycode (if (vectorp key) key (kbd key)))
(command-list))
(push `(define-key ,keymap ,keycode ,command) command-list)
(when autoload
(push `(autoload ,command ,@autoload) command-list))
`(progn
,@command-list)))
;; convenience
(defmacro acdw/bind-after-map (file keymap &rest bindings)
"Wrap multiple calls of `acdw/bind' after FILE and with KEYMAP.
KEYMAP can be nil."
(declare (indent 2))
(let (bind-list)
(dolist (binding bindings)
(if keymap
(push `(acdw/bind ,@binding :after ,file :map ,keymap) bind-list)
(push `(acdw/bind ,@binding :after ,file) bind-list)))
`(progn
,@bind-list)))
;;; Keymap & Mode
(defvar acdw/map (make-sparse-keymap)
"A keymap for my custom bindings.")
(define-minor-mode acdw/mode
"A mode for `acdw/map'."
:init-value t
:lighter " acdw"
:keymap acdw/map)
(define-globalized-minor-mode acdw/global-mode acdw/mode acdw/mode)
;; Disable `acdw/mode' in the minibuffer
(defun acdw/mode--disable ()
"Disable `acdw/mode'."
(acdw/mode -1))
(add-hook 'minibuffer-setup-hook #'acdw/mode--disable)
;; Set up a leader key for `acdw/mode'
(defvar acdw/leader
(let ((map (make-sparse-keymap))
(c-z (global-key-binding "\C-z")))
(define-key acdw/map "\C-z" map)
(define-key map "\C-z" c-z)
map))
(provide 'acdw)
;;; acdw.el ends here
|
