504 lines
13 KiB
EmacsLisp
504 lines
13 KiB
EmacsLisp
# #+TITLE: My Emacs Configuration
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# #+AUTHOR: Amneesh Singh
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#+PROPERTY: header-args:emacs-lisp :tangle yes
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* Settings
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** Setting the default face
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#+begin_src emacs-lisp
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; -*- lexical-binding: t; -*-
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(set-frame-font "Fira Code 13" nil t)
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(add-to-list 'default-frame-alist '(font . "Fira Code-13"))
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#+end_src
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** Some mode settings based on personal preferences
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#+begin_src emacs-lisp
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(global-hl-line-mode 1)
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(scroll-bar-mode 0)
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(tool-bar-mode 0)
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(menu-bar-mode 0)
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(fringe-mode 0)
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(global-display-line-numbers-mode 1)
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(xterm-mouse-mode 1)
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(setq ring-bell-function 'ignore
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gc-cons-threshold most-positive-fixnum
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initial-major-mode 'fundamental-mode)
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#+end_src
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** Setting some variables
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#+begin_src emacs-lisp
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(setq initial-major-mode 'emacs-lisp-mode
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frame-resize-pixelwise t
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auto-window-vscroll nil
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scroll-step 1
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display-line-numbers-type 'relative
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confirm-kill-processes nil
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inhibit-startup-screen t)
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(setq-default tab-width 2
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indent-tabs-mode nil)
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#+end_src
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** Emacs startup hook
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#+begin_src emacs-lisp
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(add-hook 'emacs-startup-hook
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(lambda () (delete-other-windows)) t)
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#+end_src
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* Packages
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** Add Melpa to package archives
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#+begin_src emacs-lisp
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(require 'package)
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(add-to-list 'package-archives '("melpa" . "http://melpa.org/packages/"))
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(package-initialize)
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(require 'use-package)
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(use-package benchmark-init
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:ensure t
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:config
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;; To disable collection of benchmark data after init is done.
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(add-hook 'after-init-hook 'benchmark-init/deactivate))
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#+end_src
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** Visual packages
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*** Add solaire mode
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#+begin_src emacs-lisp
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(use-package solaire-mode
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:config
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(solaire-mode))
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#+end_src
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*** Set theme
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#+begin_src emacs-lisp
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(use-package catppuccin-theme
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:config
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(load-theme 'catppuccin t)
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(setq dark-theme t))
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#+end_src
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** Configure Selectrum
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Enable selectrum
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#+begin_src emacs-lisp
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(use-package selectrum
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:config
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(selectrum-mode +1))
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#+end_src
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Add selectrum-prescient
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#+begin_src emacs-lisp
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(use-package selectrum-prescient
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:config
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(selectrum-prescient-mode +1)
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(prescient-persist-mode +1))
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#+end_src
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#+begin_src emacs-lisp
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(use-package orderless
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:after selectrum
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:config
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(setq completion-styles '(orderless basic))
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(savehist-mode)
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(setq orderless-skip-highlighting (lambda () selectrum-is-active)
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selectrum-highlight-candidates-function #'orderless-highlight-matches))
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#+end_src
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** Evil
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*** Configure evil mode
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#+begin_src emacs-lisp
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(defun my/evil-shift-right ()
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(interactive)
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(evil-shift-right evil-visual-beginning evil-visual-end)
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(evil-normal-state)
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(evil-visual-restore))
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(defun my/evil-shift-left ()
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(interactive)
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(evil-shift-left evil-visual-beginning evil-visual-end)
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(evil-normal-state)
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(evil-visual-restore))
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(use-package evil
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:init
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(setq-default evil-shift-width 2)
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:config
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(evil-set-initial-state 'vterm-mode 'insert)
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(evil-set-undo-system 'undo-tree)
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(evil-define-key 'visual global-map (kbd ">") 'my/evil-shift-right)
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(evil-define-key 'visual global-map (kbd "<") 'my/evil-shift-left)
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(evil-mode 1))
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#+end_src
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*** Configure undo tree
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To undo and redo easily like vi
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#+begin_src emacs-lisp
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(use-package undo-tree
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:config
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(global-undo-tree-mode 1))
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#+end_src
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*** Miscellaneous evil related packages
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#+begin_src emacs-lisp
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(use-package evil-terminal-cursor-changer)
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(use-package evil-anzu
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:after evil)
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#+end_src
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** Treemacs
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*** Configure treemacs
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#+begin_src emacs-lisp
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(use-package treemacs)
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#+end_src
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#+begin_src emacs-lisp
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(use-package treemacs-evil :defer t)
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(use-package treemacs-magit :defer t)
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(use-package treemacs-projectile :defer t)
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(use-package treemacs-all-the-icons :defer t)
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#+end_src
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** LSP
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*** Configure lsp-mode
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#+begin_src emacs-lisp
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(use-package lsp-mode
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:commands lsp)
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#+end_src
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*** Configure lsp-ui
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#+begin_src emacs-lisp
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(use-package lsp-ui
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:init
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(setq lsp-ui-doc-delay 1.0
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lsp-ui-doc-show-with-mouse t
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pgtk-wait-for-event-timeout nil
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lsp-ui-doc-show-with-cursor t)
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:config
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(lsp-ui-peek-enable 1)
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(lsp-ui-doc-enable 1))
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#+end_src
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*** Language specific LSP packages
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#+begin_src emacs-lisp
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(use-package lsp-haskell)
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#+end_src
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*** Configure flycheck
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#+begin_src emacs-lisp
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(use-package flycheck)
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#+end_src
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*** Configure dap-mode
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#+begin_src emacs-lisp
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(use-package dap-mode)
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#+end_src
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** Company
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*** Configure company
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For autocomplete
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#+begin_src emacs-lisp
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(use-package company
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:after lsp-mode
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:config
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(add-to-list 'company-backends 'company-dabbrev)
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(setq company-backends (cons 'company-files (remove 'company-files company-backends)))
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(add-to-list 'company-backends 'company-emoji)
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(company-mode 1))
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#+end_src
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*** Configure company-quickhelp
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#+begin_src emacs-lisp
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(use-package company-quickhelp
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:hook (company-mode . company-quickhelp-mode))
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#+end_src
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*** Extra company packages
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#+begin_src emacs-lisp
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(use-package company-emoji)
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#+end_src
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** Treesitter
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#+begin_src emacs-lisp
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(use-package tree-sitter-langs :defer t)
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(use-package tree-sitter
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:after tree-sitter-langs
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:defer t
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:config
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(global-tree-sitter-mode)
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:init
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(add-to-list 'tree-sitter-major-mode-language-alist '(fundamental-mode . bash))
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(add-hook 'tree-sitter-after-on-hook #'tree-sitter-hl-mode))
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#+end_src
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** Direnv
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#+begin_src emacs-lisp
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(use-package direnv
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:defer t
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:config
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(direnv-mode))
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#+end_src
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** Lang support
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#+begin_src emacs-lisp
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(use-package haskell-mode)
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(use-package lsp-latex)
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(use-package rustic)
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(use-package yuck-mode)
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(use-package wgsl-mode)
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(use-package nix-mode
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:mode "\\.nix\\'")
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(use-package hcl-mode
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:mode
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"\\.hcl\\'"
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"\\.nomad\\'")
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(use-package go-mode)
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#+end_src
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** Magit
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#+begin_src emacs-lisp
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(use-package magit :defer t)
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#+end_src
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* VTerm
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** Configure vterm
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#+begin_src emacs-lisp
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(use-package vterm
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:config
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(evil-define-key 'normal vterm-mode-map (kbd "p") 'vterm-yank)
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(evil-define-key 'insert vterm-mode-map (kbd "C-y") 'vterm-yank)
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(setq vterm-timer-delay 0.005))
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(use-package vterm-toggle
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:after vterm
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:config
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(setq vterm-toggle-fullscreen-p nil)
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(add-to-list 'display-buffer-alist
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'((lambda (buffer-or-name _)
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(let ((buffer (get-buffer buffer-or-name)))
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(with-current-buffer buffer
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(or (equal major-mode 'vterm-mode)
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(string-prefix-p vterm-buffer-name (buffer-name buffer))))))
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(display-buffer-reuse-window display-buffer-in-side-window)
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(side . bottom)
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(reusable-frames . visible)
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(window-height . 0.4))))
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#+end_src
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** Centaur Tabs
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#+begin_src emacs-lisp
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(use-package centaur-tabs
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:config
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(setq centaur-tabs-style "rounded"
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centaur-tabs-height 18
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centaur-tabs-set-modified-marker t
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centaur-tabs-set-icons t)
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(centaur-tabs-group-by-projectile-project)
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(centaur-tabs-mode nil)
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(set-face-attribute 'tab-line nil :inherit 'centaur-tabs-unselected)
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(centaur-tabs-headline-match))
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#+end_src
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** Misc packages
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#+begin_src emacs-lisp
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(use-package all-the-icons
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:if (display-graphic-p))
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(use-package elcord :defer t)
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(use-package projectile
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:defer t
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:config
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(define-key projectile-mode-map (kbd "C-x p") 'projectile-command-map)
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(projectile-mode +1))
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(use-package rainbow-mode :defer t)
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(use-package rainbow-delimiters
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:hook (prog-mode . rainbow-delimiters-mode))
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(use-package flex-autopair)
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#+end_src
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* Org
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** Add org-mode
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#+begin_src emacs-lisp
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(use-package org
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:after evil
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:defer t
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:config
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(setq evil-want-C-i-jump nil
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org-adapt-indentation t
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org-src-fontify-natively t
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org-src-strip-leading-and-trailing-blank-lines t
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org-src-preserve-indentation t
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org-src-tab-acts-natively t)
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(define-key org-mode-map (kbd "RET") 'org-return-and-maybe-indent)
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(evil-define-key 'normal org-mode-map (kbd "TAB") 'org-cycle))
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#+end_src
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** Add org-bullets
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#+begin_src emacs-lisp
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(use-package org-bullets
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:defer t
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:config
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(add-hook 'org-mode-hook (lambda () (org-bullets-mode 1))))
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#+end_src
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** Babel and exports
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#+begin_src emacs-lisp
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(use-package htmlize :defer t)
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(add-to-list 'org-latex-packages-alist '("" "minted"))
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(setq org-latex-listings 'minted)
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(setq org-latex-pdf-process
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'("pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"
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"pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"
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"pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"))
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(setq org-src-fontify-natively t)
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(setq org-confirm-babel-evaluate nil)
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(org-babel-do-load-languages
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'org-babel-load-languages
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'((awk . t)
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(python . t)
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(C . t)
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(shell . t)
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(sql . t)
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(latex . t)))
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#+end_src
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* Mode specific hooks
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#+begin_src emacs-lisp
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(add-hook 'c-mode-hook 'lsp)
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(add-hook 'c++-mode-hook 'lsp)
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(add-hook 'haskell-mode-hook #'lsp)
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(add-hook 'haskell-literate-mode-hook #'lsp)
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#+end_src
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* Random eye candy stuff
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* Custom mode line
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switched to doom modeline after using my own modeline for a while
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#+begin_src emacs-lisp
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(use-package doom-modeline
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:ensure t
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:hook (after-init . doom-modeline-mode))
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#+end_src
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* Pop-up terminal
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Stolen from [[https://www.reddit.com/r/emacs/comments/ft84xy/run_shell_command_in_new_vterm/][this]] reddit post
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#+begin_src emacs-lisp
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(defun run-in-vterm-kill (process event)
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"A process sentinel. Kills PROCESS's buffer if it is live."
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(let ((b (process-buffer process)))
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(and (buffer-live-p b)
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(kill-buffer b))))
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(defun run-in-vterm (command)
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(interactive
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(list
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(let* ((f (cond (buffer-file-name)
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((eq major-mode 'dired-mode)
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(dired-get-filename nil t))))
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(filename (concat " " (shell-quote-argument (and f (file-relative-name f))))))
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(read-shell-command "Terminal command: "
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(cons filename 0)
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(cons 'shell-command-history 1)
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(list filename)))))
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(with-current-buffer (vterm-toggle)
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(set-process-sentinel vterm--process #'run-in-vterm-kill)
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(vterm-send-string (concat command))
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(vterm-send-return)))
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#+end_src
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Compilation shortcuts for standalone files
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#+begin_src emacs-lisp
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(defun candrun ()
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(let ((full buffer-file-name)
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(file (file-name-sans-extension buffer-file-name)))
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(pcase (file-name-extension full)
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("c" (concat "gcc " full " -lm -pthread -o " file " && " file " && rm " file))
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("java" (concat "java " full))
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("py" (concat "python " full))
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("cpp" (concat "g++ " full " -o " file " && " file " && rm " file))
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("hs" (concat "runhaskell " full))
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("sh" (concat "sh " full))
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("js" (concat "node " full))
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("ts" (concat "tsc " full " && node " file ".js && rm " file ".js" ))
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("rs" (concat "rustc " full " -o " file " && " file " && rm " file)))))
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#+end_src
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* Custom Functions
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#+begin_src emacs-lisp
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(defun detach-process ()
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"Run processes but detached from the parent"
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(interactive)
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(let ((command (read-string "Enter command:")))
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(call-process-shell-command (concat command " &") nil 0)))
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#+end_src
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* Keybinds
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** General
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*** Colemak translations
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#+begin_src emacs-lisp
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(use-package evil-colemak-basics
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:init
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(setq evil-colemak-basics-layout-mod 'mod-dh)
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:config
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(global-evil-colemak-basics-mode))
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#+end_src
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*** Misc binds
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#+begin_src emacs-lisp
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(use-package general)
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(setq evil-states
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'(visual normal motion))
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(with-eval-after-load 'general
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(general-define-key
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:states evil-states
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"M-c" 'comment-line
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"C-c M-c" 'comment-box)
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(general-define-key
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:states '(normal insert)
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"M-C-f" 'lsp-format-buffer
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"C-S-v" 'yank)
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(general-define-key
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:keymaps '(global override vterm-mode-map)
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:states evil-states
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"M-o" 'treemacs
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"M-v" 'split-window-vertically
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"M-h" 'split-window-horizontally
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"M-m" 'windmove-left
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"M-n" 'windmove-down
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"M-e" 'windmove-up
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"M-i" 'windmove-right
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"M-C-m" 'shrink-window-horizontally
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"M-C-i" 'enlarge-window-horizontally
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"M-C-e" 'shrink-window
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"M-C-n" 'enlarge-window
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"M-," 'centaur-tabs-backward
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"M-." 'centaur-tabs-forward
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"C-q" 'delete-window
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"M-C-S-q" 'kill-buffer-and-window
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"M-w" 'centaur-tabs--kill-this-buffer-dont-ask
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"M-S-w" 'kill-window)
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#+end_src
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*** Pop-up terminal specific keybinds
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#+begin_src emacs-lisp
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(with-eval-after-load 'vterm-toggle
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(general-define-key
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:keymaps '(global override vterm-mode-map)
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:states evil-states
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"<f4>" (lambda () (interactive) (vterm t))
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"C-<f1>" 'vterm-toggle-cd
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"<f1>" 'vterm-toggle
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"<f5>" (lambda () (interactive) (run-in-vterm (candrun))))
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(general-define-key
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:keymaps 'vterm-mode-map
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"<f2>" 'vterm-toggle-forward
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"<f3>" 'vterm-toggle-backward)))
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#+end_src
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