emacs/common/_global.el

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; Packages related
(require 'package)
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t)
;(package-initialize) ; this goes in chemacs2 init -- DO NOT UNCOMMENT
(add-to-list 'package-selected-packages
             '(helpful dired-rainbow dired-collapse dired-ranger dired-single all-the-icons-dired ido-completing-read+ diminish persp-mode modus-themes transpose-frame use-package)
)
(require 'use-package)

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(require 'diminish)
(diminish 'rainbow-mode) ; Hide lighter from mode-line

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; Setup global keys
(cua-mode 1)
(global-set-key (kbd "<escape>") 'keyboard-escape-quit)
(global-set-key (kbd "C-c m") 'menu-bar-open)
(global-set-key (kbd "C-c .") 'rotate-frame-clockwise)
(global-set-key (kbd "C-c ,") 'rotate-frame-anticlockwise)
(global-set-key (kbd "C-c u") 'toggle-truncate-lines)
(global-set-key (kbd "<M-f4>") 'delete-frame)
(global-set-key (kbd "C-x C-z") nil)

;; Lookup the current symbol at point. C-c C-d is a common keybinding
;; for this in lisp modes.
(global-set-key (kbd "C-c C-d") #'helpful-at-point)

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; Set some global config
(setq inhibit-splash-screen t) ; why do you need to tell me things i know by default
; Turn on ido mode (useful for buffer swaps and find file completion)
(require 'ido-completing-read+)
(ido-ubiquitous-mode 1)
(setq ido-enable-flex-matching t)
(setq ido-everywhere t)
(ido-mode 1)
(setq-default tab-width 4) ; sanity!
(electric-indent-mode 0) ; return should NOT fuck with the indentation of the previous line
(setq backup-directory-alist `(("." . "~/.emacs.d/saves"))) ; Move the auto backups to a dedicated 'zone'
(setq backup-by-copying t) ; safest form of backup file creation
; Config backups so we have *more*, not less
(setq delete-old-versions t
    kept-new-versions 1
    kept-old-versions 3
    version-control t
)
;; make typing delete/overwrites selected text
(delete-selection-mode 1)
;; UTF-8 as default encoding
(set-default-coding-systems 'utf-8)
(set-language-environment "UTF-8")
(set-default-coding-systems 'utf-8-unix)

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;; set font for emoji -- DOES NOT WORK ON MOBILE
(when (eq system-type 'windows-nt)
(set-fontset-font
 t
 '(#x1f300 . #x1fad0)
 (cond
  ((member "Noto Color Emoji" (font-family-list)) "Noto Color Emoji")
  ((member "Noto Emoji" (font-family-list)) "Noto Emoji")
  ((member "Segoe UI Emoji" (font-family-list)) "Segoe UI Emoji")
  ((member "Symbola" (font-family-list)) "Symbola")
  ((member "Apple Color Emoji" (font-family-list)) "Apple Color Emoji"))
 ;; Apple Color Emoji should be before Symbola, but Richard Stallman skum disabled it.
 ;; GNU Emacs Removes Color Emoji Support on the Mac
 ;; http://ergoemacs.org/misc/emacs_macos_emoji.html
 ;;
 )
)

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; line numbers
; find major mode : M-x eval-expression [enter] major-mode
(require 'display-line-numbers)
(defcustom display-line-numbers-exempt-modes '(org-mode org-agenda-mode)
  "Major modes on which to disable the linum mode, exempts them from global requirement"
  :group 'display-line-numbers
  :type 'list
  :version "green")
(defun display-line-numbers--turn-on ()
  "turn on line numbers but excempting certain majore modes defined in `display-line-numbers-exempt-modes'"
  (if (and
       (not (member major-mode display-line-numbers-exempt-modes))
       (not (minibufferp)))
      (display-line-numbers-mode)))
(global-display-line-numbers-mode)

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; modus-themes setup and enable
(use-package modus-themes
    :ensure
    :init
    (setq modus-themes-region '(no-extend)
          modus-themes-fringes 'subtle
          modus-themes-scale-headings t
    )

    (modus-themes-load-themes)
    :config
    (modus-themes-load-vivendi)
)

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; persp-mode
(with-eval-after-load "persp-mode-autoloads"
  (setq wg-morph-on nil) ;; switch off animation
  (setq persp-autokill-buffer-on-remove 'kill-weak)
  (add-hook 'window-setup-hook #'(lambda () (persp-mode 1))))

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; better dired behaviors
(setq dired-listing-switches "-agho --group-directories-first"
      dired-omit-files "^\\.[^.].*"
      dired-omit-verbose nil
      dired-hide-details-hide-symlink-targets nil)

(autoload 'dired-omit-mode "dired-x")

(require 'dired-collapse)
(add-hook 'dired-load-hook
          (lambda ()
            (interactive)
            (dired-collapse)))

(add-hook 'dired-mode-hook
          (lambda ()
            (interactive)
            (dired-omit-mode 1)
            (dired-hide-details-mode 1)
            (hl-line-mode 1)))

(use-package dired-rainbow
  :config
  (progn
   (dired-rainbow-define-chmod directory "#6cb2eb" "d.*")
   (dired-rainbow-define html "#eb5286" ("css" "less" "sass" "scss" "htm" "html" "jhtm" "mht" "eml" "mustache" "xhtml"))
   (dired-rainbow-define xml "#f2d024" ("xml" "xsd" "xsl" "xslt" "wsdl" "bib" "json" "msg" "pgn" "rss" "yaml" "yml" "rdata"))
   (dired-rainbow-define document "#9561e2" ("docm" "doc" "docx" "odb" "odt" "pdb" "pdf" "ps" "rtf" "djvu" "epub" "odp" "ppt" "pptx"))
   (dired-rainbow-define markdown "#ffed4a" ("org" "etx" "info" "markdown" "md" "mkd" "nfo" "pod" "rst" "tex" "textfile" "txt"))
   (dired-rainbow-define database "#6574cd" ("xlsx" "xls" "csv" "accdb" "db" "mdb" "sqlite" "nc"))
   (dired-rainbow-define media "#de751f" ("mp3" "mp4" "mkv" "MP3" "MP4" "avi" "mpeg" "mpg" "flv" "ogg" "mov" "mid" "midi" "wav" "aiff" "flac"))
   (dired-rainbow-define image "#f66d9b" ("tiff" "tif" "cdr" "gif" "ico" "jpeg" "jpg" "png" "psd" "eps" "svg"))
   (dired-rainbow-define log "#c17d11" ("log"))
   (dired-rainbow-define shell "#f6993f" ("awk" "bash" "bat" "sed" "sh" "zsh" "vim"))
   (dired-rainbow-define interpreted "#38c172" ("py" "ipynb" "rb" "pl" "t" "msql" "mysql" "pgsql" "sql" "r" "clj" "cljs" "scala" "js"))
   (dired-rainbow-define compiled "#4dc0b5" ("asm" "cl" "lisp" "el" "c" "h" "c++" "h++" "hpp" "hxx" "m" "cc" "cs" "cp" "cpp" "go" "f" "for" "ftn" "f90" "f95" "f03" "f08" "s" "rs" "hi" "hs" "pyc" ".java"))
   (dired-rainbow-define executable "#8cc4ff" ("exe" "msi"))
   (dired-rainbow-define compressed "#51d88a" ("7z" "zip" "bz2" "tgz" "txz" "gz" "xz" "z" "Z" "jar" "war" "ear" "rar" "sar" "xpi" "apk" "xz" "tar"))
   (dired-rainbow-define packaged "#faad63" ("deb" "rpm" "apk" "jad" "jar" "cab" "pak" "pk3" "vdf" "vpk" "bsp"))
   (dired-rainbow-define encrypted "#ffed4a" ("gpg" "pgp" "asc" "bfe" "enc" "signature" "sig" "p12" "pem"))
   (dired-rainbow-define fonts "#6cb2eb" ("afm" "fon" "fnt" "pfb" "pfm" "ttf" "otf"))
   (dired-rainbow-define partition "#e3342f" ("dmg" "iso" "bin" "nrg" "qcow" "toast" "vcd" "vmdk" "bak"))
   (dired-rainbow-define vc "#0074d9" ("git" "gitignore" "gitattributes" "gitmodules"))
   (dired-rainbow-define-chmod executable-unix "#38c172" "-.*x.*")
))