nix-conf/modules/linux/home-manager/configs/emacs/config.org

Crony's Emacs Config

• GARBAGE COLLECTION
• BACKUPS
• SANE DEFAULTS
• GUI TWEAKS
• FONTS
• ELECTRIC PAIR
• TRANSFORM INTO VIM
  • EVIL MODE
  • MODELINE
  • VIM LIKE SCROLLING
• WHICH_KEY
• GENERAL KEYBINDINGS
• DIMINISH
  • Update and setup org mode
  • Column width
  • Enabling Org Bullets
  • Enabling Table of Contents
• THEME
• HELPFUL
• COMPLETION
  • VERTICO
  • MARGINALIA
  • CONSULT
  • ORDERLESS
• IN BUFFER COMPLETION
  • CORFU
  • KIND ICON
  • CAPE
  • YASNIPPET
• DIRED
• ALL THE ICONS
• GIT
  • TIME MACHINE
  • DIFF HIGHLIGHT
  • MAGIT
• HIGHLIGHT TODO
• PROJECTS LIST

GARBAGE COLLECTION

(defvar file-name-handler-alist-old file-name-handler-alist)

(setq file-name-handler-alist nil
      gc-cons-threshold most-positive-fixnum)

(add-hook 'after-init-hook
          `(lambda ()
             (setq file-name-handler-alist file-name-handler-alist-old)
             (setq gc-cons-threshold (* 2 1000 1000))
             (setq gc-cons-percentage 0.1))
          t)

BACKUPS

Move backup files to a diff directory.

(setq backup-directory-alist '(("." . "~/.cache/emacs/"))
  backup-by-copying t    ; Don't delink hardlinks
  version-control t      ; Use version numbers on backups
  delete-old-versions t  ; Automatically delete excess backups
  kept-new-versions 20   ; how many of the newest versions to keep
  kept-old-versions 5    ; and how many of the old
  )

SANE DEFAULTS

(delete-selection-mode 1)    ;; You can select text and delete it by typing.
(electric-indent-mode -1)    ;; Turn off the weird indenting that Emacs does by default.
(global-auto-revert-mode t)  ;; Automatically show changes if the file has changed
(setq initial-scratch-message nil) ;; disable the initial scratch message.
(setq-default delete-pair-blink-delay 0) ;; remove delay when deleting pairs
(prefer-coding-system 'utf-8) ;; utf-8
(global-set-key [escape] 'keyboard-escape-quit) ;; escape minibuffers with ESC

GUI TWEAKS

(global-visual-line-mode t)  ;; Enable truncated lines
(menu-bar-mode -1)           ;; Disable the menu bar 
(scroll-bar-mode -1)         ;; Disable the scroll bar
(tool-bar-mode -1)           ;; Disable the tool bar
(set-fringe-mode 10)         ;; Give me some breathing room
(fset 'yes-or-no-p 'y-or-n-p) ;; don't ask to spell out "yes"
(setq-default frame-resize-pixelwise t) ;; avoid leaving a gap beetween the frame and the screen
(column-number-mode)         ;; Display line colums
;; disable line numbers for following modes
(dolist (mode '(org-mode-hook
                term-mode-hook
                shell-mode-hook
                eshell-mode-hook))
  (add-hook mode (lambda () (display-line-numbers-mode 0))))
(global-display-line-numbers-mode 1) ;; Display line numbers
(blink-cursor-mode -1) ;; disable blinking cursor

FONTS

(set-face-attribute 'default nil
  :font "CommitMono Nerd Font"
  :height 140
  :weight 'medium)
(set-face-attribute 'variable-pitch nil
  :font "DejaVu Sans"
  :height 150
  :weight 'medium)
(set-face-attribute 'fixed-pitch nil
  :font "CommitMono Nerd Font"
  :height 140
  :weight 'medium)

(add-to-list 'default-frame-alist '(font . "CommitMono Nerd Font-14"))

ELECTRIC PAIR

(electric-pair-mode 1)
(add-hook 'org-mode-hook (lambda ()
           (setq-local electric-pair-inhibit-predicate
                   `(lambda (c)
                  (if (char-equal c ?<) t (,electric-pair-inhibit-predicate c))))))

TRANSFORM INTO VIM

EVIL MODE

(use-package evil
  :init
  (setq evil-want-integration t
        evil-want-keybinding nil
        evil-want-C-u-scroll t
        evil-want-C-i-jump nil
        evil-vsplit-window-right t
        evil-split-window-below t
        evil-undo-system 'undo-redo)
  :config
  (evil-mode 1)
  (define-key evil-insert-state-map (kbd "C-g") 'evil-normal-state)
  (define-key evil-insert-state-map (kbd "C-h") 'evil-delete-backward-char-and-join)
  (evil-set-initial-state 'messages-buffer-mode 'normal)
  (evil-set-initial-state 'dashboard-mode 'normal))

(use-package evil-collection
  :after evil
  :config
  (evil-collection-init))

MODELINE

(use-package doom-modeline
  :ensure t
  :init (doom-modeline-mode 1)
  :config
  (setq doom-modeline-height 25
        doom-modeline-bar-width 5
        doom-modeline-persp-name t
        doom-modeline-persp-icon t))

VIM LIKE SCROLLING

;; Vim like scrolling
(setq scroll-margin 10
      scroll-step 1
      scroll-conservatively 10000
      scroll-preserve-screen-position 1)

WHICH_KEY

(use-package which-key
    :init
    (which-key-mode 1)
    :diminish
    :config
    (setq which-key-side-window-location 'bottom
        which-key-sort-order #'which-key-key-order-alpha
        which-key-sort-uppercase-first nil
        which-key-add-column-padding 1
        which-key-max-display-columns nil
        which-key-min-display-lines 6
        which-key-side-window-slot -10
        which-key-side-window-max-height 0.25
        which-key-idle-delay 0.3
        which-key-max-description-length 25
        which-key-allow-imprecise-window-fit nil
        which-key-separator " → " ))

GENERAL KEYBINDINGS

(use-package general
  :ensure t
  :init
  (with-eval-after-load 'evil
    (general-evil-setup))
  (general-auto-unbind-keys)
  :config
  (general-override-mode)
  (general-create-definer +config/leader-key
    :keymaps 'override
    :states  '(insert emacs normal hybrid motion visual operator)
    :prefix "SPC"
    :non-normal-prefix "s-SPC")
  (general-create-definer +config/local-leader
    :keymaps 'override
    :states '(emacs normal hybrid motion visual operator)
    :prefix "m"
    :non-normal-prefix "s-m"
    "" '(:ignore t :which-key (lambda (arg) `(,(cadr (split-string (car arg) " ")) . ,(replace-regexp-in-string "-mode$" "" (symbol-name major-mode)))))))

DIMINISH

(use-package diminish)

ORG MODE

Update and setup org mode

;; fixes a bug where evil mnode bounds return key, so it isn't accesible
(with-eval-after-load 'evil-maps
  (define-key evil-motion-state-map (kbd "RET") nil))

(defun crony/org-mode-setup ()
  (org-indent-mode)
  (visual-line-mode 1))

;; Replace list hyphen with dot
(font-lock-add-keywords 'org-mode
                        '(("^ *\\([-]\\) "
                            (0 (prog1 () (compose-region (match-beginning 1) (match-end 1) "•"))))))

(use-package org
  :defer t
  :init (require 'org-tempo)
  :hook (org-mode . crony/org-mode-setup)
  :config
  (setq org-ellipsis " ▾")
  (setq org-edit-src-content-indentation 0)

  ;; org agenda settings
  (setq org-agenda-start-with-log-mode t)
  (setq org-log-done 'time)
  (setq org-log-into-drawer t)
  (setq org-agenda-files 
        '("~/docs/notes/tasks.org" 
	  "~/docs/notes/birthdays.org"))

  ;; refiling 
  (setq org-refile-targets
    '(("archive.org" :maxlevel . 1)
      ("tasks.org" :maxlevel . 1)))

  ;; save after refiling
  (advice-add 'org-refile :after 'org-save-all-org-buffers)

  (setq org-return-follows-link  t))

Column width

(defun crony/org-mode-visual-fill ()
  (setq visual-fill-column-width 110
        visual-fill-column-center-text t)
  (visual-fill-column-mode 1))

(use-package visual-fill-column
  :defer t
  :hook (org-mode . crony/org-mode-visual-fill))

Enabling Org Bullets

(use-package org-bullets
  :after org
  :hook (org-mode . org-bullets-mode))

Enabling Table of Contents

(use-package toc-org
     :after org
     :commands toc-org-enable
     :init (add-hook 'org-mode-hook 'toc-org-enable))

THEME

(use-package gruvbox-theme
  :config
  (load-theme 'gruvbox-dark-medium :no-confirm))

HELPFUL

(use-package helpful
  :bind
  ([remap describe-function] . helpful-function)
  ([remap describe-command] . helpful-command)
  ([remap describe-variable] . helpful-variable)
  ([remap describe-key] . helpful-key))

COMPLETION

VERTICO

(use-package vertico
  :bind (:map vertico-map
         ("C-j" . vertico-next)
         ("C-k" . vertico-previous)
         ("C-l" . vertico-exit)
         :map minibuffer-local-map
         ("C-h" . backward-kill-word))
  :custom
  (vertico-scroll-margin 0) ;; Different scroll margin
  (vertico-count 15) ;; Show more candidates
  (vertico-resize t) ;; Grow and shrink the Vertico minibuffer
  (vertico-cycle t) ;; Enable cycling for `vertico-next/previous'
  :init
  (vertico-mode))

(use-package savehist
  :ensure nil
  :init
  (savehist-mode))

(use-package emacs
  :ensure nil
  :custom
  (context-menu-mode t)
  (enable-recursive-minibuffers t)
  (read-extended-command-predicate #'command-completion-default-include-p)
  (minibuffer-prompt-properties
   '(read-only t cursor-intangible t face minibuffer-prompt)))

MARGINALIA

(use-package marginalia
  :bind (:map minibuffer-local-map
         ("M-A" . marginalia-cycle))
  :init
  (marginalia-mode))

CONSULT

(use-package consult
  :after vertico
  :custom
  (completion-in-region-function #'consult-completion-in-region)
  :config
  (recentf-mode t))

ORDERLESS

(use-package orderless
  :ensure t
  :custom
  (completion-styles '(orderless basic))
  (completion-category-overrides '((file (styles partial-completion))))
  (completion-pcm-leading-wildcard t)) ;; Emacs 31: partial-completion behaves like substring

IN BUFFER COMPLETION

CORFU

Adds in buffer completion for code/snippets

(use-package corfu
  ;; Optional customizations
  :custom
  (tab-always-indent 'complete)
  (completion-cycle-threshold nil)
  (corfu-cycle t)
  (corfu-auto t)
  (corfu-auto-prefix 2)
  (corfu-auto-delay 0.1)
  (corfu-min-width 60)
  (corfu-popupinfo-delay '(0.5 . 0.2))
  (corfu-preview-current 'insert)
  (corfu-preselect 'prompt)
  (corfu-on-exact-match nil)

  :bind (:map corfu-map
              ("C-j"        . corfu-next)
              ("C-k"      . corfu-previous)
              ("C-l"        . corfu-insert))
  :init
  (corfu-history-mode)
  (corfu-popupinfo-mode)
  (global-corfu-mode)
  :config
  (add-hook 'eshell-mode-hook
            (lambda () (setq-local corfu-quit-at-boundary t
                              corfu-quit-no-match t
                              corfu-auto nil)
              (corfu-mode))))

KIND ICON

Eyecandy for corfu

(use-package kind-icon
   :ensure t
   :after corfu
   :custom
   (kind-icon-default-face 'corfu-default)
   :config
   (plist-put kind-icon-default-style :height 0.8)
   (add-to-list 'corfu-margin-formatters #'kind-icon-margin-formatter))

CAPE

extending corpu

(use-package cape
  :defer 10
  :bind ("C-c f" . cape-file)
  :init
  (defalias 'dabbrev-after-2 (cape-capf-prefix-length #'cape-dabbrev 2))
  (add-to-list 'completion-at-point-functions 'dabbrev-after-2 t)
  (cl-pushnew #'cape-file completion-at-point-functions)
  :config
  (advice-add 'pcomplete-completions-at-point :around #'cape-wrap-silent)
  (advice-add 'pcomplete-completions-at-point :around #'cape-wrap-purify))

YASNIPPET

(use-package yasnippet
  :ensure t
  :init
  (setq yas-nippet-dir "~/.config/emacs/snippets/")
  (yas-global-mode))
(use-package yasnippet-snippets
  :ensure t
  :after yasnippet)

DIRED

(use-package dired-open
  :config
  (setq dired-open-extensions '(("mkv" . "mpv")
                                ("mp4" . "mpv"))))

(use-package peep-dired
  :after dired
  :hook (evil-normalize-keymaps . peep-dired-hook)
  :config
    (evil-define-key 'normal dired-mode-map (kbd "h") 'dired-up-directory)
    (evil-define-key 'normal dired-mode-map (kbd "l") 'dired-open-file)
    (evil-define-key 'normal peep-dired-mode-map (kbd "j") 'peep-dired-next-file)
    (evil-define-key 'normal peep-dired-mode-map (kbd "k") 'peep-dired-prev-file)
)

ALL THE ICONS

(use-package all-the-icons
  :ensure t
  :if (display-graphic-p))

;; dired icons
(use-package all-the-icons-dired
  :after all-the-icons
  :hook (dired-mode . (lambda () (all-the-icons-dired-mode t))))

;; completion with marginalia
(use-package all-the-icons-completion
  :after (marginalia all-the-icons)
  :hook (marginalia-mode . all-the-icons-completion-marginalia-setup)
  :init
  (all-the-icons-completion-mode))

GIT

TIME MACHINE

(use-package git-timemachine
  :after git-timemachine
  :hook (evil-normalize-keymaps . git-timemachine-hook)
  :config
    (evil-define-key 'normal git-timemachine-mode-map (kbd "C-j") 'git-timemachine-show-previous-revision)
    (evil-define-key 'normal git-timemachine-mode-map (kbd "C-k") 'git-timemachine-show-next-revision)
)

DIFF HIGHLIGHT

(use-package diff-hl
  :config
  (global-diff-hl-mode t))

MAGIT

(use-package magit)

HIGHLIGHT TODO

(use-package hl-todo
  :hook ((prog-mode . hl-todo-mode))
  :config
  (setq hl-todo-highlight-punctuation ":"
        hl-todo-keyword-faces
        `(("TODO"       warning bold)
          ("FIXME"      error bold)
          ("HACK"       font-lock-constant-face bold)
          ("REVIEW"     font-lock-keyword-face bold)
          ("NOTE"       success bold)
          ("DEPRECATED" font-lock-doc-face bold))))

PROJECTS LIST

(use-package projectile
  :diminish
  :config 
  (projectile-mode 1))