nixos/home/emacs/modules/custom-defaults-config.el

;;; custom-defaults-config.el -*- lexical-binding: t; -*-

;;; Code:
(setq load-prefer-newer t
      indent-tabs-mode nil
      global-auto-revert-non-file-buffers t
      dired-auto-revert-buffer t
      dired-dwim-target t
      tab-always-indent 'complete
      completion-cycle-threshold 3
      completions-detailed t
      xref-show-definitions-function #'xref-show-definitions-completing-read
      kill-do-not-save-duplicates t
      auto-window-vscroll nil
      fast-but-imprecise-scrolling t
      scroll-conservatively 101
      scroll-margin 0
      scroll-preserve-screen-position 1)

(global-auto-revert-mode +1)
(delete-selection-mode)

;; define a key to define the word at point.
(keymap-set global-map "M-#" #'dictionary-lookup-definition)

;; define key to open recent files
(keymap-set global-map "C-c r" #'recentf)

;; turn on spell checking, if available.
(with-eval-after-load 'ispell
  (when (executable-find ispell-program-name)
    (add-hook 'text-mode-hook #'flyspell-mode)
    (add-hook 'prog-mode-hook #'flyspell-prog-mode)))

;; window movement hydra (TODO)
(when (require 'hydra nil :noerror)
  (defhydra window (global-map "C-c w")
    "Window movement"
    ("u" winner-undo)
    ("r" winner-redo)
    ("n" windmove-down)
    ("p" windmove-up)
    ("b" windmove-left)
    ("f" windmove-right)))

;; Make shebang (#!) file executable when saved
(add-hook 'after-save-hook #'executable-make-buffer-file-executable-if-script-p)

(provide 'custom-defaults-config)