210 lines
6.7 KiB
EmacsLisp
210 lines
6.7 KiB
EmacsLisp
;;; core-editor.el -*- lexical-binding: t; -*-
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(defvar doom-large-file-size 1
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"Size (in MB) above which the user will be prompted to open the file literally
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to avoid performance issues. Opening literally means that no major or minor
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modes are active and the buffer is read-only.")
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(defvar doom-large-file-modes-list
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'(fundamental-mode special-mode archive-mode tar-mode jka-compr
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git-commit-mode image-mode doc-view-mode doc-view-mode-maybe
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ebrowse-tree-mode pdf-view-mode)
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"Major modes that `doom|check-large-file' will ignore.")
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(defvar-local doom-inhibit-indent-detection nil
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"A buffer-local flag that indicates whether `dtrt-indent' should try to detect
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indentation settings or not. This should be set by editorconfig if it
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successfully sets indent_style/indent_size.")
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(setq-default
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vc-follow-symlinks t
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;; Save clipboard contents into kill-ring before replacing them
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save-interprogram-paste-before-kill t
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;; Bookmarks
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bookmark-default-file (concat doom-etc-dir "bookmarks")
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bookmark-save-flag t
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;; Formatting
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delete-trailing-lines nil
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fill-column 80
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sentence-end-double-space nil
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word-wrap t
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;; Scrolling
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hscroll-margin 1
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hscroll-step 1
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scroll-conservatively 1001
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scroll-margin 0
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hscroll-margin 2
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scroll-preserve-screen-position t
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;; Whitespace (see `editorconfig')
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indent-tabs-mode nil
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require-final-newline t
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tab-always-indent t
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tab-width 4
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tabify-regexp "^\t* [ \t]+" ; for :retab
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;; Wrapping
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truncate-lines t
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truncate-partial-width-windows 50)
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(defun doom|check-large-file ()
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"Check if the buffer's file is large (see `doom-large-file-size'). If so, ask
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for confirmation to open it literally (read-only, disabled undo and in
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fundamental-mode) for performance sake."
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(let ((size (nth 7 (file-attributes buffer-file-name))))
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(when (and (not (memq major-mode doom-large-file-modes-list))
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size (> size (* 1024 1024 doom-large-file-size))
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(y-or-n-p
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(format (concat "%s is a large file, open literally to "
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"avoid performance issues?")
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(file-relative-name buffer-file-name))))
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(setq buffer-read-only t)
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(buffer-disable-undo)
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(fundamental-mode))))
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(add-hook 'find-file-hook #'doom|check-large-file)
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;;
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;; Built-in plugins
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;;
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(push '("/LICENSE\\'" . text-mode) auto-mode-alist)
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(electric-indent-mode -1) ; enabled by default in Emacs 25+. No thanks.
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(when (and (display-graphic-p)
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(require 'server nil t)
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(not (server-running-p)))
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(server-start))
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(add-hook 'after-save-hook #'executable-make-buffer-file-executable-if-script-p)
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;; revert buffers for changed files
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(def-package! autorevert
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:after-call after-find-file
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:config
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(setq auto-revert-verbose nil)
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(global-auto-revert-mode +1))
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;; persist variables across sessions
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(def-package! savehist
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:defer 1
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:after-call post-command-hook
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:config
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(setq savehist-file (concat doom-cache-dir "savehist")
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savehist-save-minibuffer-history t
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savehist-autosave-interval nil ; save on kill only
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savehist-additional-variables '(kill-ring search-ring regexp-search-ring))
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(savehist-mode +1))
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;; persistent point location in buffers
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(def-package! saveplace
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:after-call (after-find-file dired-initial-position-hook)
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:config
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(setq save-place-file (concat doom-cache-dir "saveplace"))
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(defun doom*recenter-on-load-saveplace (&rest _)
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"Recenter on cursor when loading a saved place."
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(if buffer-file-name (ignore-errors (recenter))))
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(advice-add #'save-place-find-file-hook
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:after-while #'doom*recenter-on-load-saveplace)
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(save-place-mode +1))
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;; Keep track of recently opened files
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(def-package! recentf
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:defer 1
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:after-call after-find-file
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:commands recentf-open-files
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:config
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(setq recentf-save-file (concat doom-cache-dir "recentf")
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recentf-auto-cleanup 120
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recentf-max-menu-items 0
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recentf-max-saved-items 300
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recentf-filename-handlers '(file-truename)
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recentf-exclude
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(list #'file-remote-p "\\.\\(?:gz\\|gif\\|svg\\|png\\|jpe?g\\)$"
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"^/tmp/" "^/ssh:" "\\.?ido\\.last$" "\\.revive$" "/TAGS$"
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"^/var/folders/.+$"
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;; ignore private DOOM temp files (but not all of them)
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(lambda (file) (file-in-directory-p file doom-local-dir))))
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(recentf-mode +1))
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;;
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;; Core Plugins
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;;
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;; Auto-close delimiters and blocks as you type
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(def-package! smartparens
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:after-call (doom-before-switch-buffer-hook after-find-file)
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:commands (sp-pair sp-local-pair sp-with-modes)
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:config
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(require 'smartparens-config)
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(setq sp-highlight-pair-overlay nil
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sp-cancel-autoskip-on-backward-movement nil
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sp-show-pair-delay 0
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sp-max-pair-length 3)
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;; smartparens conflicts with evil-mode's replace state
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(add-hook 'evil-replace-state-entry-hook #'turn-off-smartparens-mode)
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(add-hook 'evil-replace-state-exit-hook #'turn-on-smartparens-mode)
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(sp-local-pair '(xml-mode nxml-mode php-mode) "<!--" "-->"
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:post-handlers '(("| " "SPC")))
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(smartparens-global-mode +1))
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;; Branching undo
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(def-package! undo-tree
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:after-call (doom-before-switch-buffer-hook after-find-file)
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:config
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;; persistent undo history is known to cause undo history corruption, which
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;; can be very destructive! So disable it!
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(setq undo-tree-auto-save-history nil
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undo-tree-history-directory-alist
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(list (cons "." (concat doom-cache-dir "undo-tree-hist/"))))
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(global-undo-tree-mode +1))
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;;
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;; Autoloaded Plugins
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;;
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(setq command-log-mode-auto-show t
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command-log-mode-open-log-turns-on-mode t)
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(def-package! dtrt-indent
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:unless noninteractive
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:defer t
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:init
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(defun doom|detect-indentation ()
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(unless (or doom-inhibit-indent-detection
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buffer-read-only
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(not (derived-mode-p 'prog-mode 'text-mode 'conf-mode)))
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(dtrt-indent-mode +1)))
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(add-hook! (prog-mode text-mode conf-mode)
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#'doom|detect-indentation)
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:config
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(setq dtrt-indent-verbosity (if doom-debug-mode 2 0)))
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(def-package! expand-region
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:commands (er/contract-region er/mark-symbol er/mark-word)
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:config
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(defun doom*quit-expand-region ()
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(when (memq last-command '(er/expand-region er/contract-region))
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(er/contract-region 0)))
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(advice-add #'evil-escape :before #'doom*quit-expand-region)
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(advice-add #'doom/escape :before #'doom*quit-expand-region))
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(def-package! helpful
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:defer t
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:init
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(setq counsel-describe-function-function #'helpful-callable
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counsel-describe-variable-function #'helpful-variable)
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(define-key! 'global
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[remap describe-function] #'helpful-callable
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[remap describe-command] #'helpful-command
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[remap describe-variable] #'helpful-variable
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[remap describe-key] #'helpful-key))
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(provide 'core-editor)
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;;; core-editor.el ends here
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