nixos/config/emacs/emacs.org

#+title Sakomacs configuration
#+PROPERTY: header-args:emacs-lisp :tangle ./init-new.el

* Emacs from scratch
where we are right now https://youtu.be/kkqVTDbfYp4?t=2795
** TODO move init.el to here

* Usage
M-x org-bable-tangle

* ui configuration
#+begin_src emacs-lisp
  ;; UI/UX
  (setq inhibit-startup-message t)
  ;; make it look like neovim a little
  (scroll-bar-mode -1)
  (tool-bar-mode -1)
  (tooltip-mode -1)
  (set-fringe-mode 10)
  (menu-bar-mode -1)
  ;; Line Numbers
  (column-number-mode)
  (global-display-line-numbers-mode t)
  ;; disable line numbers on some modes
  (dolist (mode '(org-mode-hook
                  term-mode-hook
                  eshell-mode-hook))
    (add-hook mode (lambda () (display-line-numbers-mode 0))))
  ;; Bell
  (setq visible-bell t)
#+end_src

* Fonts

#+begin_src emacs-lisp
      ;; Font
      (set-face-attribute `default nil :font "JetBrains Mono" :height 125)

#+end_src

* Package setup
#+begin_src emacs-lisp
;; Package related stuqff
(require `package)

(setq package-archives `(("mepla" . "https://melpa.org/packages/")
			 ("org" . "https://orgmode.org/elpa/")
			 ("elpa" . "https://elpa.gnu.org/packages/")))

(package-initialize)
(unless package-archive-contents
  (package-refresh-contents))

;; Init package for non-linux
(unless (package-installed-p `use-package)
  (package-install `use-package))

(require 'use-package)
(setq use-package-always-ensure t)
#+end_src
** Packages
*** Command Autocompletion Packages 
#+begin_src emacs-lisp
;; better search
(use-package swiper)
;; better commands
(use-package counsel)
;; autocompletion on commands (?)
(use-package ivy
  :diminish
  :bind (("C-s" . swiper)
         :map ivy-minibuffer-map
         ("TAB" . ivy-alt-done)	
         ("C-l" . ivy-alt-done)
         ("C-j" . ivy-next-line)
         ("C-k" . ivy-previous-line)
         :map ivy-switch-buffer-map
         ("C-k" . ivy-previous-line)
         ("C-l" . ivy-done)
         ("C-d" . ivy-switch-buffer-kill)
         :map ivy-reverse-i-search-map
         ("C-k" . ivy-previous-line)
	 ("C-d" . ivy-reverse-i-search-kill))
  :demand
  :config
  (ivy-mode 1))
;; better ivy autocompletion
(use-package ivy-rich
  :init
  (ivy-rich-mode 1))

;; counsel M+X
(use-package counsel
  :bind (("M-x" . counsel-M-x)
	 ("C-x b" . counsel-ibuffer)
	 ("C-x C-f" . counsel-find-file)
	 :map minibuffer-local-map
	 ("C-r" . 'counsel-minibuffer-history))
  :config
  (setq ivy-inital-inputs-alist nil))
#+end_src
*** Custom Themes
#+begin_src emacs-lisp
  (use-package doom-themes
  :ensure t
  :config
  ;; Global settings (defaults)
  (setq doom-themes-enable-bold t    ; if nil, bold is universally disabled
        doom-themes-enable-italic t) ; if nil, italics is universally disabled
  ;; load the theme
  (load-theme 'doom-monokai-pro t)

  ;; Enable flashing mode-line on errors
  (doom-themes-visual-bell-config))
  ;; Enable custom neotree theme (all-the-icons must be installed!)
  ;;(doom-themes-neotree-config)
  ;; or for treemacs users
  ;;(setq doom-themes-treemacs-theme "doom-atom") ; use "doom-colors" for less minimal icon theme
  ;;(doom-themes-treemacs-config)
  ;; Corrects (and improves) org-mode's native fontification.
  ;;(doom-themes-org-config))
#+end_src
*** Nerd-Fonts (All of the Icons doesnt work for me)
#+begin_src emacs-lisp
(use-package nerd-icons
  :custom
  ;; "Symbols Nerd Font Mono" is the default and is recommended
  ;; but you can use any other Nerd Font if you want
  (nerd-icons-font-family "JetBrainsMono NF")
  )
#+end_src
*** Rainbow Delimiters
**** TODO find something like this for other languages
#+begin_src emacs-lisp
(use-package rainbow-delimiters
  :hook (prog-mode . rainbow-delimiters-mode))
#+end_src
*** Keybinding autocompletion
#+begin_src emacs-lisp
(use-package which-key
  :init (which-key-mode)
  :diminish which-key-mode
  :config
  (setq which-key-idle-delay 1))
#+end_src
*** Custom Modeline
#+begin_src emacs-lisp
(use-package doom-modeline
  :ensure t
  :init (doom-modeline-mode 1)
  :custom ((doom-modeline-height 35)))
#+end_src
*** Better help menu
#+begin_src emacs-lisp
(use-package helpful
  :ensure t
  :custom
  (counsel-describe-function-function #'helpful-callable)
  (counsel-describe-variable-function #'helpful-variable)
  :bind
  ([remap describe-function ] . counsel-describe-function)
  ([remap describe-command] . helpful-command)
  ([remap describe-variable] . counsel-describe-variable)
  ([remap describe-key] . helpful-key))
#+end_src
* Org Mode Configuration Setup
** Babel Languages
#+begin_src emacs-lisp
   (org-babel-do-load-languages
  'org-babel-load-languages
  '((emacs-lisp . t)
    (python . t)))
#+end_src

** Auto-tangle Configuration
#+begin_src emacs-lisp
  (defun sakomacs/org-babel-tangle-config ()
    (when (string-equal (buffer-file-name)
                        (expand-file-name "~/nixos/config/emacs/emacs.org"))
      (let ((org-confirm-babel-evaluate nil))
        (org-babel-tangle)))
    (add-hook 'org-mode-hook (lambda () (add-hook 'after-save-hook #'sakomacs/org-babel-tangle-config))))
#+end_src