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;;; oni-core.el --- Core Emacs configuration -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Tom Willemse
;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; Version: 2020.0430.224024
;; Package-Requires: (oni-data-dir expand-region multiple-cursors embrace helpful gcmh)
;; 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 3 of the License, 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.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Core Emacs configuration, doesn't need any requires from within
;; Emacs. These settings don't seem to go anywhere else.
;;; Code:
(require 'gcmh)
(require 'oni-data-dir)
(require 'recentf)
(defconst oni-core--auto-save-directory (oni-data-dir-locate "auto-save-files/")
"Directory where auto-saves go.")
(defalias 'yes-or-no-p 'y-or-n-p)
(defvar oni-core--recentf-idle-timer nil
"Internal variable keeping track of a timer started for ‘recentf-save-list’.")
(defun oni-core--destroy-trailing-whitespace ()
"Delete trailing whitespace everywhere, except in Markdown buffers."
(if (not (eq major-mode 'markdown-mode))
(delete-trailing-whitespace)))
(defun oni-core--switch-newline-keys ()
"Switch the ‘C-j’ and ‘RET’ keys in the local buffer."
(if electric-indent-mode
(progn
(local-set-key (kbd "C-j") 'newline)
(local-set-key (kbd "RET") 'electric-newline-and-maybe-indent))
(local-unset-key (kbd "C-j"))
(local-unset-key (kbd "RET"))))
(defun oni-core--ensure-autosave-directory-exists ()
"Create the autosave directory if doesn't exist."
(mkdir oni-core--auto-save-directory t))
(defun oni-core-move-beginning-of-dwim ()
"Move to beginning of line either after indentation or before."
(interactive)
(let ((start (point)))
(back-to-indentation)
(unless (/= start (point))
(move-beginning-of-line 1))))
(defun oni-core-move-end-of-dwim ()
"Move to end of line, either before any comments or after."
(interactive)
(let ((start (point))
(eolpos (line-end-position)))
(beginning-of-line)
(if (and comment-start
(not (looking-at (regexp-quote comment-start)))
(comment-search-forward eolpos t))
(progn
(search-backward-regexp (concat "[^ \t" comment-start "]"))
(forward-char)
(when (or (bolp)
(= start (point)))
(end-of-line)))
(end-of-line))))
(defun oni-core-recentf-save-list-silently ()
"Call ‘recentf-save-list’ but without showing a message about it."
(let ((inhibit-message t))
(recentf-save-list)))
(add-to-list 'auto-save-file-name-transforms
`(".*" ,oni-core--auto-save-directory t)
:append)
(setq backup-directory-alist
`((".*" . ,(oni-data-dir-locate "backup-files"))))
(setq auto-save-list-file-prefix
(oni-data-dir-locate "auto-save-list/.saves-"))
(setq abbrev-file-name (oni-data-dir-locate "abbrev_defs"))
(setq recentf-save-file (oni-data-dir-locate "recentf"))
;;; Get rid of the default help tooltip on the mode-line.
(setq mode-line-default-help-echo nil)
(setq user-full-name "Tom Willemse"
user-mail-address "tom@ryuslash.org")
(setq delete-old-versions t)
(setq kept-new-versions 20)
(setq kept-old-versions 20)
(setq vc-make-backup-files t)
(setq version-control t)
(setq require-final-newline t)
(setq sentence-end-double-space nil)
(setq inhibit-startup-screen t)
(setq electric-pair-skip-whitespace 'chomp)
(setq fit-window-to-buffer-horizontally t)
;; Increase the threshold for garbage collection for increased performance.
;; Apparently there are some (lsp-mode for example) packages that generate a lot
;; of garbage.
(setq gc-cons-threshold 100000000)
(setq auth-sources (remove "~/.authinfo" auth-sources))
(setq-default indent-tabs-mode nil)
(setq-default tab-width 4)
(setq-default truncate-lines t)
(setq-default fill-column 80)
(add-hook 'before-save-hook #'oni-core--destroy-trailing-whitespace)
(add-hook 'before-save-hook 'time-stamp)
(add-hook 'electric-indent-local-mode-hook #'oni-core--switch-newline-keys)
(add-hook 'minibuffer-setup-hook 'electric-pair-local-mode)
(add-hook 'prog-mode-hook 'goto-address-prog-mode)
(add-hook 'auto-save-hook #'oni-core--ensure-autosave-directory-exists)
(add-hook 'after-save-hook 'executable-make-buffer-file-executable-if-script-p)
(global-set-key (kbd "C-M-SPC") 'er/expand-region)
(global-set-key (kbd "M-+") 'mc/mark-next-like-this)
(global-set-key (kbd "C-c (") 'embrace-commander)
(global-set-key (kbd "C-x M-f") 'ffap)
(global-set-key (kbd "C-x C-b") 'ibuffer-jump)
(global-set-key [remap move-beginning-of-line] #'oni-core-move-beginning-of-dwim)
(global-set-key [remap move-end-of-line] #'oni-core-move-end-of-dwim)
(global-set-key [remap describe-function] 'helpful-callable)
(global-set-key [remap describe-key] 'helpful-key)
(global-set-key [remap describe-variable] 'helpful-variable)
(global-set-key (kbd "C-c C-d") 'helpful-at-point)
(global-set-key (kbd "C-<left>") 'winner-undo)
(global-set-key (kbd "C-<right>") 'winner-redo)
(unless oni-core--recentf-idle-timer
(setq oni-core--recentf-idle-timer
(run-with-idle-timer 10 t #'oni-core-recentf-save-list-silently)))
(electric-indent-mode -1)
(winner-mode)
(recentf-mode)
(gcmh-mode)
(add-to-list 'display-buffer-alist
`(,(rx string-start
"*" (any ?h ?H) "elp")
display-buffer-in-side-window
(side . bottom)
(slot . 0)
(window-height . 0.33)))
(when (eql system-type 'windows-nt)
(add-to-list 'load-path (locate-user-emacs-file "vendor/p4-vc"))
(add-to-list 'exec-path "c:/Program Files/Git/bin")
(add-to-list 'exec-path "C:/Program Files/Git/usr/bin")
(add-to-list 'exec-path "c:/cygwin64/bin")
(setq delete-by-moving-to-trash t)
(setq-default buffer-file-coding-system 'utf-8-unix))
;;;###autoload(require 'oni-core)
(provide 'oni-core)
;;; oni-core.el ends here
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