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nixos-config/modules/applications/emacs/init.el

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2020-02-17 17:00:59 +04:00
;;; init.el --- balsoft's config
;;; Commentary:
;;; None
;; -*- lexical-binding: t -*-
;;; Code:
;;----------------------------------------------------------------------------
;; Adjust garbage collection
;;----------------------------------------------------------------------------
(setq gc-cons-threshold (* 20 1024 1024))
;; ---------------------
;; Setup Load Path
;; ---------------------
(nconc load-path
(list (expand-file-name "local" user-emacs-directory)
(expand-file-name "wakib" user-emacs-directory)))
;; -----------------------
;; use-package
;; -----------------------
(setq load-prefer-newer t) ; Don't load outdated byte code
(require 'package)
(let* ((no-ssl (and (memq system-type '(windows-nt ms-dos))
(not (gnutls-available-p))))
(proto (if no-ssl "http" "https")))
;; Comment/uncomment these two lines to enable/disable MELPA and MELPA Stable as desired
(add-to-list 'package-archives (cons "melpa" (concat proto "://melpa.org/packages/")) t)
(add-to-list 'package-archives (cons "melpa-stable" (concat proto "://stable.melpa.org/packages/")) t)
(add-to-list 'package-archives '("cselpa" . "https://elpa.thecybershadow.net/packages/"))
(when (< emacs-major-version 24)
;; For important compatibility libraries like cl-lib
(add-to-list 'package-archives '("gnu" . (concat proto "://elpa.gnu.org/packages/")))))
(package-initialize)
(setq package-enable-at-startup nil)
;; Bootstrap `use-package'
(unless (package-installed-p 'use-package)
(package-refresh-contents)
(package-install 'use-package))
(eval-when-compile
(require 'use-package))
(setq use-package-always-ensure nil)
(setq-default tab-width 2)
(mode-line-bell-mode)
(line-number-mode)
(column-number-mode)
;; backup in one place. flat, no tree structure
(setq backup-directory-alist '(("" . "~/.emacs.d/backup")))
(setq auto-save-file-name-transforms
`((".*" "~/.emacs.d/autosave/" t)))
(setq-default indent-tabs-mode nil)
(setq-default tab-always-indent 'complete)
(setq-default compilation-scroll-output 'first-error)
(add-to-list 'load-path "~/.emacs.d/elisp/")
(require 'gud-lldb)
(use-package auto-indent-mode
:config
(auto-indent-global-mode))
(global-auto-revert-mode)
(electric-indent-mode 1)
;; (use-package ergoemacs-mode
;; :config
;; (ergoemacs-mode 1))
(use-package xah-fly-keys
:config
(xah-fly-keys-set-layout "qwerty")
(xah-fly-keys 1)
(defun xah-fly-keys-russian-on ()
"Add Russian layout keys.
Hook function for `xah-fly-command-mode-activate-hook'
2018-10-26 Thanks to TechiBech
Version 2018-10-27"
(interactive)
(progn
(define-key xah-fly-key-map (kbd "й") 'xah-reformat-lines)
(define-key xah-fly-key-map (kbd "ц") 'xah-shrink-whitespaces)
(define-key xah-fly-key-map (kbd "э") 'xah-cycle-hyphen-underscore-space)
(define-key xah-fly-key-map (kbd "у") 'xah-backward-kill-word)
(define-key xah-fly-key-map (kbd "я") 'xah-comment-dwim)
(define-key xah-fly-key-map (kbd "х") 'hippie-expand)
(define-key xah-fly-key-map (kbd "ф") 'execute-extended-command)
(define-key xah-fly-key-map (kbd "т") 'isearch-forward)
(define-key xah-fly-key-map (kbd "ш") 'previous-line)
(define-key xah-fly-key-map (kbd "р") 'xah-beginning-of-line-or-block)
(define-key xah-fly-key-map (kbd "в") 'xah-delete-backward-char-or-bracket-text)
(define-key xah-fly-key-map (kbd "н") 'undo)
(define-key xah-fly-key-map (kbd "г") 'backward-word)
(define-key xah-fly-key-map (kbd "о") 'backward-char)
(define-key xah-fly-key-map (kbd "п") 'xah-delete-current-text-block)
(define-key xah-fly-key-map (kbd "с") 'xah-copy-line-or-region)
(define-key xah-fly-key-map (kbd "м") 'xah-paste-or-paste-previous)
(define-key xah-fly-key-map (kbd "з") 'xah-insert-space-before)
(define-key xah-fly-key-map (kbd "ь") 'xah-backward-left-bracket)
(define-key xah-fly-key-map (kbd "д") 'forward-char)
(define-key xah-fly-key-map (kbd "ы") 'open-line)
(define-key xah-fly-key-map (kbd "к") 'xah-kill-word)
(define-key xah-fly-key-map (kbd "ч") 'xah-cut-line-or-region)
(define-key xah-fly-key-map (kbd "щ") 'forward-word)
(define-key xah-fly-key-map (kbd "ж") 'xah-end-of-line-or-block)
(define-key xah-fly-key-map (kbd "л") 'next-line)
(define-key xah-fly-key-map (kbd "а") 'xah-fly-insert-mode-activate)
(define-key xah-fly-key-map (kbd "б") 'xah-next-window-or-frame)
(define-key xah-fly-key-map (kbd "и") 'xah-toggle-letter-case)
(define-key xah-fly-key-map (kbd "е") 'set-mark-command)))
(defun xah-fly-keys-russian-off ()
"Remove Russian layout keys.
Hook function for `xah-fly-insert-mode-activate-hook'
2018-10-26 Thanks to TechiBech
Version 2018-10-27"
(interactive)
(progn
(define-key xah-fly-key-map (kbd "й") 'nil)
(define-key xah-fly-key-map (kbd "ц") 'nil)
(define-key xah-fly-key-map (kbd "э") 'nil)
(define-key xah-fly-key-map (kbd "у") 'nil)
(define-key xah-fly-key-map (kbd "я") 'nil)
(define-key xah-fly-key-map (kbd "х") 'nil)
(define-key xah-fly-key-map (kbd "ф") 'nil)
(define-key xah-fly-key-map (kbd "т") 'nil)
(define-key xah-fly-key-map (kbd "ш") 'nil)
(define-key xah-fly-key-map (kbd "р") 'nil)
(define-key xah-fly-key-map (kbd "в") 'nil)
(define-key xah-fly-key-map (kbd "н") 'nil)
(define-key xah-fly-key-map (kbd "г") 'nil)
(define-key xah-fly-key-map (kbd "о") 'nil)
(define-key xah-fly-key-map (kbd "п") 'nil)
(define-key xah-fly-key-map (kbd "с") 'nil)
(define-key xah-fly-key-map (kbd "м") 'nil)
(define-key xah-fly-key-map (kbd "з") 'nil)
(define-key xah-fly-key-map (kbd "ь") 'nil)
(define-key xah-fly-key-map (kbd "д") 'nil)
(define-key xah-fly-key-map (kbd "ы") 'nil)
(define-key xah-fly-key-map (kbd "к") 'nil)
(define-key xah-fly-key-map (kbd "ч") 'nil)
(define-key xah-fly-key-map (kbd "щ") 'nil)
(define-key xah-fly-key-map (kbd "ж") 'nil)
(define-key xah-fly-key-map (kbd "л") 'nil)
(define-key xah-fly-key-map (kbd "а") 'nil)
(define-key xah-fly-key-map (kbd "б") 'nil)
(define-key xah-fly-key-map (kbd "и") 'nil)
(define-key xah-fly-key-map (kbd "е") 'nil)))
(add-hook 'xah-fly-command-mode-activate-hook 'xah-fly-keys-russian-on )
(add-hook 'xah-fly-insert-mode-activate-hook 'xah-fly-keys-russian-off )
(define-key key-translation-map (kbd "ESC") (kbd "C-g"))
)
(global-set-key (kbd "C-b") 'switch-to-buffer)
(global-set-key (kbd "C-TAB") 'org-cycle-level)
(global-display-line-numbers-mode)
(electric-pair-mode)
(electric-indent-mode)
(use-package flycheck
:config
(global-flycheck-mode))
;; -------------------
;; Initial Setup
;; -------------------
(menu-bar-mode -1)
(scroll-bar-mode -1)
(tool-bar-mode -1)
(cua-selection-mode 1)
;;(define-key cua--rectangle-keymap (kbd "ESC") nil)
;;(define-key cua-global-keymap (kbd "<C-return>") nil)
;;(define-key cua-global-keymap (kbd "C-x SPC") 'cua-rectangle-mark-mode)
(when (not window-system)
(xterm-mouse-mode 1))
(use-package hasklig-mode
:hook (haskell-mode))
(use-package company-ghci
:config
(push 'company-ghci company-backends))
(global-set-key (kbd "M-RET") 'execute-extended-command)
(defun smart-beginning-of-line ()
"Move point to first non-whitespace character or beginning of line.
Move point to the first non-whitespace character on this line.
If point was already at that position, move point to beginning of line."
(interactive "^") ; Use (interactive) in Emacs 22 or older
(let ((oldpos (point)))
(back-to-indentation)
(and (= oldpos (point))
(beginning-of-line))))
(global-set-key [home] 'smart-beginning-of-line)
(global-unset-key [menu-bar options cua-mode])
(fringe-mode '(0 . 0))
;; scroll one line at a time (less "jumpy" than defaults)
(setq mouse-wheel-scroll-amount '(1 ((shift) . 1))) ;; one line at a time
(setq mouse-wheel-progressive-speed nil) ;; don't accelerate scrolling
(setq mouse-wheel-follow-mouse 't) ;; scroll window under mouse
(setq scroll-step 1) ;; keyboard scroll one line at a time
(use-package frames-only-mode)
;; Make new frames instead of new windows
(set 'pop-up-frames 'graphic-only)
(set 'gdb-use-separate-io-buffer nil)
(set 'gdb-many-windows nil)
(use-package counsel
:config
(counsel-mode 1))
;; -------------------
;; Projectile
;; -------------------
;; No deferred loading as bind-keymap
;; doesn't handle wakib C-d keymaps
(use-package projectile
:config
(setq projectile-completion-system 'ivy)
(define-key projectile-mode-map (kbd "C-c p") nil)
(define-key projectile-mode-map (kbd "C-x p") 'projectile-command-map)
(projectile-mode 1)
(global-unset-key [menu-bar tools Projectile])
(projectile-register-project-type 'nix-shell '("shell.nix")
:compile "nix-build shell.nix"
:run "nix-shell")
(setq projectile-project-search-path '("~/projects/"))
(global-set-key (kbd "<f9>") 'projectile-compile-project)
(global-set-key (kbd "<f5>") 'projectile-run-project))
;; -------------------
;; Yasnippet
;; -------------------
(use-package nix-mode
:hook
((nix-mode . (lambda () (local-set-key (kbd "<f7>") 'nix-format-buffer))))
((nix-mode . (lambda () (setq indent-line-function 'nix-indent-line)))))
;; -------------------
;; expand-region
;; -------------------
(use-package company
:config
(global-company-mode 1)
;; Trigger completion immediately.
(setq company-idle-delay 0)
;; Number the candidates (use M-1, M-2 etc to select completions).
(setq company-show-numbers t)
;; Use the tab-and-go frontend.
;; Allows TAB to select and complete at the same time.
(company-tng-configure-default)
(setq company-frontends
'(company-tng-frontend
company-pseudo-tooltip-frontend
company-echo-metadata-frontend))
(require 'color)
(let ((bg (face-attribute 'default :background)))
(custom-set-faces
`(company-tooltip ((t (:inherit default :background ,(color-lighten-name bg 2)))))
`(company-scrollbar-bg ((t (:background ,(color-lighten-name bg 10)))))
`(company-scrollbar-fg ((t (:background ,(color-lighten-name bg 5)))))
`(company-tooltip-selection ((t (:inherit font-lock-function-name-face))))
`(company-tooltip-common ((t (:inherit font-lock-constant-face)))))))
(use-package company-tabnine
:config
(add-to-list 'company-backends #'company-tabnine))
;; -------------------
;; Ivy
;; -------------------
(use-package ivy
:config
(ivy-mode 1)
(setq ivy-use-virtual-buffers t)
(define-key ivy-minibuffer-map [remap keyboard-quit] 'minibuffer-keyboard-quit)
;; (setq enable-recursive-minibuffers t)
(setq ivy-count-format "")
(setq ivy-initial-inputs-alist nil))
(use-package smex)
;; TODO (change defun rewrite to advice)
(use-package quickrun
:init
(global-set-key [menu-bar tools quickrun] `(menu-item ,"Run Buffer" quickrun))
:config
(setq quickrun-focus-p nil)
;; Move cursor out of the way when displaying output
(advice-add 'quickrun--recenter
:after (lambda (&optional _)
(with-selected-window
(get-buffer-window quickrun--buffer-name)
(end-of-buffer))))
:bind
(([f8] . quickrun )))
(show-paren-mode 1)
;; TODO - MOVE Electric Pair Mode to user local
;; MAJOR MODES
(use-package markdown-mode
:mode "\\.\\(m\\(ark\\)?down\\|md\\)$")
;; Setup Splash Screen
;; (setq inhibit-startup-screen t)
;; (setq-default major-mode 'fundamental-mode)
;; (setq-default initial-scratch-message "")
(setq custom-file (expand-file-name "custom" user-emacs-directory))
(load custom-file t t)
(defun compile-on-save-start ()
"Recompile when compilation is not going."
(let ((buffer (compilation-find-buffer)))
(unless (get-buffer-process buffer)
(recompile))))
(define-minor-mode compile-on-save-mode
"Minor mode to automatically call `recompile' whenever the
current buffer is saved. When there is ongoing compilation,
nothing happens."
:lighter " CoS"
(if compile-on-save-mode
(progn (make-local-variable 'after-save-hook)
(add-hook 'after-save-hook 'compile-on-save-start nil t))
(kill-local-variable 'after-save-hook)))
(auto-fill-mode)
;; -------------------
;; Theme
;; -------------------
(use-package xresources-theme
:config
(load-theme 'xresorces t)
(setq after-init-hook (load-theme 'xresources t))
(add-hook 'after-make-frame-functions
(lambda (frame)
(with-selected-frame frame
(load-theme 'xresources t)))))
(setq inhibit-startup-screen t)
;;; init.el ends here
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