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110 lines
3.8 KiB
EmacsLisp
110 lines
3.8 KiB
EmacsLisp
;;; crafted-evil.el --- Evil mode configuration -*- lexical-binding: t; -*-
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;; Copyright (C) 2022
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;; SPDX-License-Identifier: MIT
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;; Author: System Crafters Community
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;;; Commentary:
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;; Evil mode configuration, for those who prefer `Vim' keybindings.
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;;; Code:
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(defgroup crafted-evil '()
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"Vim-like related configuration for Crafted Emacs."
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:tag "Crafted Evil"
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:group 'crafted)
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;; Define configuration variables
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(define-obsolete-variable-alias
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'rational-evil-discourage-arrow-keys
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'crafted-evil-discourage-arrow-keys
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"1")
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(defcustom crafted-evil-discourage-arrow-keys nil
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"When non-nil, prevent navigation with the arrow keys in Normal state."
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:group 'crafted-evil
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:type 'boolean)
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(define-obsolete-variable-alias
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'rational-evil-vim-muscle-memory
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'crafted-evil-vim-muscle-memory
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"1")
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(defcustom crafted-evil-vim-muscle-memory nil
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"When non-nil, let evil mode take some of the default keybindings, in order to make a more familiar Vim experience."
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:group 'crafted-evil
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:type 'boolean)
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;; Install dependencies
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(crafted-package-install-package 'evil)
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(crafted-package-install-package 'evil-collection)
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(crafted-package-install-package 'evil-nerd-commenter)
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;; Turn on undo-tree globally
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(when (< emacs-major-version 28)
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(crafted-package-install-package 'undo-tree)
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(global-undo-tree-mode))
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;; Set some variables that must be configured before loading the package
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(customize-set-variable 'evil-want-integration t)
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(customize-set-variable 'evil-want-keybinding nil)
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(customize-set-variable 'evil-want-C-i-jump nil)
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(customize-set-variable 'evil-respect-visual-line-mode t)
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;; C-h is backspace in insert state
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(customize-set-variable 'evil-want-C-h-delete t)
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(if (< emacs-major-version 28)
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(customize-set-variable 'evil-undo-system 'undo-tree)
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(customize-set-variable 'evil-undo-system 'undo-redo))
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(when crafted-evil-vim-muscle-memory
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(customize-set-variable 'evil-want-C-i-jump t)
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(customize-set-variable 'evil-want-Y-yank-to-eol t)
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(customize-set-variable 'evil-want-fine-undo t))
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;; Load Evil and enable it globally
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(require 'evil)
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(evil-mode 1)
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;; Make evil search more like vim
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(evil-select-search-module 'evil-search-module 'evil-search)
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;; Turn on Evil Nerd Commenter
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(evilnc-default-hotkeys)
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;; Make C-g revert to normal state
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(define-key evil-insert-state-map (kbd "C-g") 'evil-normal-state)
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;; Rebind `universal-argument' to 'C-M-u' since 'C-u' now scrolls the buffer
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(global-set-key (kbd "C-M-u") 'universal-argument)
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;; Use visual line motions even outside of visual-line-mode buffers
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(evil-global-set-key 'motion "j" 'evil-next-visual-line)
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(evil-global-set-key 'motion "k" 'evil-previous-visual-line)
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(defun crafted-evil/discourage-arrow-keys ()
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(interactive)
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(message "Use HJKL keys instead!"))
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(when crafted-evil-discourage-arrow-keys
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;; Disable arrow keys in normal and visual modes
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(define-key evil-normal-state-map (kbd "<left>") 'crafted-evil/discourage-arrow-keys)
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(define-key evil-normal-state-map (kbd "<right>") 'crafted-evil/discourage-arrow-keys)
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(define-key evil-normal-state-map (kbd "<down>") 'crafted-evil/discourage-arrow-keys)
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(define-key evil-normal-state-map (kbd "<up>") 'crafted-evil/discourage-arrow-keys)
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(evil-global-set-key 'motion (kbd "<left>") 'crafted-evil/discourage-arrow-keys)
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(evil-global-set-key 'motion (kbd "<right>") 'crafted-evil/discourage-arrow-keys)
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(evil-global-set-key 'motion (kbd "<down>") 'crafted-evil/discourage-arrow-keys)
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(evil-global-set-key 'motion (kbd "<up>") 'crafted-evil/discourage-arrow-keys))
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;; Make sure some modes start in Emacs state
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;; TODO: Split this out to other configuration modules?
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(dolist (mode '(custom-mode
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eshell-mode
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term-mode))
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(add-to-list 'evil-emacs-state-modes mode))
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(evil-collection-init)
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(provide 'crafted-evil)
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;;; crafted-evil.el ends here
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