.emacs

.emacs

;; Install these packages
;; use-package
;; alchemist
;; all-the-icons
;; all-the-icons-dired
;; avy
;; dimmer
;; diminish
;; doom-themes
;; doom-modeline
;; edts
;; exec-path-from-shell
;; iedit
;; ivy-avy
;; magit
;; projectile
;; unicode-fonts

;; Garbage collector
(setq gc-cons-threshold 100000000)

(require 'package)
(add-to-list 'package-archives '("elpa" . "http://elpa.gnu.org/packages/"))
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t)
(package-initialize)
(custom-set-variables
 ;; custom-set-variables was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 '(custom-safe-themes
   '("fe2539ccf78f28c519541e37dc77115c6c7c2efcec18b970b16e4a4d2cd9891d" "b186688fbec5e00ee8683b9f2588523abdf2db40562839b2c5458fcfb322c8a4" "d47f868fd34613bd1fc11721fe055f26fd163426a299d45ce69bef1f109e1e71" "01cf34eca93938925143f402c2e6141f03abb341f27d1c2dba3d50af9357ce70" default))
 '(package-selected-packages
   '(rainbow-delimiters all-the-icons-dired diminish ivy-avy dimmer doom-modeline exec-path-from-shell unicode-fonts projectile ov magit iedit doom-themes all-the-icons alchemist edts)))
(custom-set-faces
 ;; custom-set-faces was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 )

;; Use package
(require 'use-package)

;; Access to path environment variable
(use-package exec-path-from-shell
  :init (exec-path-from-shell-initialize))

;; Fix emacs default
(setq
   ;; No need to see GNU agitprop.
   inhibit-startup-screen t
   ;; No need to remind me what a scratch buffer is.
   initial-scratch-message nil
   ;; Double-spaces after periods is morally wrong.
   sentence-end-double-space nil
   ;; Never ding at me, ever.
   ring-bell-function 'ignore
   ;; Prompts should go in the minibuffer, not in a GUI.
   use-dialog-box nil
   ;; Fix undo in commands affecting the mark.
   mark-even-if-inactive nil
   ;; Let C-k delete the whole line.
   kill-whole-line t
   ;; search should be case-sensitive by default
   ;; case-fold-search nil
   ;; no need to prompt for the read command _every_ time
   compilation-read-command nil
   ;; always scroll
   compilation-scroll-output t
   ;; my source directory
   ;; default-directory "~/src/"
   c-basic-offset 2
   ;; idents 2 chars
   tab-width 2
   ;; 2 char for tabs
   ident-tabs-mode nil
   ;; force use of spaces
   user-mail-address "rorra@rorra.com.ar"
   ;; default email
)

;; utf-8
(set-charset-priority 'unicode)
(setq locale-coding-system 'utf-8)
(set-terminal-coding-system 'utf-8)
(set-keyboard-coding-system 'utf-8)
(set-selection-coding-system 'utf-8)
(prefer-coding-system 'utf-8)
(setq default-process-coding-system '(utf-8-unix . utf-8-unix))

;; Show line number, column and delete selection
(delete-selection-mode t)
(global-display-line-numbers-mode t)
(column-number-mode)

;; Don't create a thousand files
(setq
 make-backup-files nil
 auto-save-default nil
 create-lockfiles nil)

;; Exlude package files from recent files
(require 'recentf)
(add-to-list 'recentf-exclude "\\elpa")

;(unbind-key "C-x C-f") ;; find-file-read-only
;(unbind-key "C-x C-d") ;; list-directory
;(unbind-key "C-z") ;; suspend-frame
;(unbind-key "M-o") ;; facemenu-mode
;(unbind-key "<mouse-2>") ;; pasting with mouse-wheel click
;(unbind-key "<C-wheel-down>") ;; text scale adjust
;(unbind-key "<C-wheel-up>") ;; ditto

(add-hook 'before-save-hook #'delete-trailing-whitespace)
(setq require-final-newline t)

;; Ignore news
(defalias 'view-emacs-news 'ignore)
(defalias 'describe-gnu-project 'ignore)

;; Better undo
(use-package undo-tree
  :diminish
  :bind (("C-c _" . undo-tree-visualize))
  :config
  (global-undo-tree-mode +1)
  (unbind-key "M-_" undo-tree-map))

;; Visuals

;; Font
;; (ignore-errors (set-frame-font "Menlo-14"))
;; (set-frame-font "Iosevka-12" nil t)
(set-frame-font "Hack-18" nil t)

;; All the icons packages
(use-package all-the-icons)
(use-package all-the-icons-dired
  :after all-the-icons
  :hook (dired-mode . all-the-icons-dired-mode))

;; Window setup
(add-to-list 'default-frame-alist '(fullscreen . maximized))

(when (window-system)
  (tool-bar-mode -1)
  (scroll-bar-mode -1)
  (tooltip-mode -1))

;; UI Theme
(use-package doom-themes
  :config
  (let ((chosen-theme 'doom-tomorrow-day)) ; 'doom-laserwave))
    (doom-themes-visual-bell-config)
    (doom-themes-org-config)
    (setq doom-challenger-deep-brighter-comments t
          doom-challenger-deep-brighter-modeline t)
    (load-theme chosen-theme)))

;; diminish
(use-package diminish
  :config (diminish 'eldoc-mode))

;; doom modeline
(use-package doom-modeline
  :config (doom-modeline-mode))

;; dimmer
(use-package dimmer
  :custom (dimmer-fraction 0.1)
  :config (dimmer-mode))

;; parenthesis display
(show-paren-mode)
(electric-pair-mode)

(use-package rainbow-delimiters
  :hook ((prog-mode . rainbow-delimiters-mode)))

;; expand-region
(use-package expand-region
  :bind (("C-c n" . er/expand-region)))

;; avy and ivi-avy
(use-package avy
  :bind (("C-c l" . avy-goto-line)
         ("C-c j" . avy-goto-char)))
(use-package ivy-avy)

;; iedit
(use-package iedit)

;; kill this buffer for mac
(bind-key "s-w" #'kill-this-buffer)

;; Ibuffer command
(bind-key "C-c B" #'ibuffer)

;; buffers management
(defun kill-this-buffer ()
  "Kill the current buffer."
  (interactive)
  (kill-buffer nil)
  )

(bind-key "C-x k" #'kill-this-buffer)
(bind-key "C-x K" #'kill-buffer)

(defun kill-all-buffers ()
  "Close all buffers."
  (interactive)
  ;; (maybe-unset-buffer-modified)
  (delete-other-windows)
  (save-some-buffers)
  (let ((kill-buffer-query-functions '()))
    (mapc 'kill-buffer (buffer-list))))

;; buffer on directory open
(defun dired-up-directory-same-buffer ()
  "Go up in the same buffer."
  (find-alternate-file ".."))

(defun my-dired-mode-hook ()
  (put 'dired-find-alternate-file 'disabled nil) ; Disables the warning.
  (define-key dired-mode-map (kbd "RET") 'dired-find-alternate-file)
  (define-key dired-mode-map (kbd "^") 'dired-up-directory-same-buffer))

(add-hook 'dired-mode-hook #'my-dired-mode-hook)

(setq dired-use-ls-dired nil)

;; Magit
(use-package magit
  :diminish magit-auto-revert-mode
  :diminish auto-revert-mode
  :bind (("C-c g" . #'magit-status))
  :config
  (add-to-list 'magit-no-confirm 'stage-all-changes))


;; edts and alchemist
(add-hook 'after-init-hook 'my-after-init-hook)
(defun my-after-init-hook ()
  (require 'edts-start)
  (require 'alchemist))
(add-hook 'elixir-mode-hook 'company-mode) ;; add company-mode when elixir mode is loaded

;; Projectile
(projectile-mode +1)
(define-key projectile-mode-map (kbd "s-p") 'projectile-command-map)
(define-key projectile-mode-map (kbd "C-c p") 'projectile-command-map)