emacs/common/_global.el

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; start emacs server (daemon) via real client so org-mode and other 'workspaces' can be setup as faux daemonized emacs
; (server-start)

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; Packages related
(require 'package)
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t) ; this goes in chemacs2 init -- DO NOT UNCOMMENT
(package-initialize) ; this goes in chemacs2 init -- DO NOT UNCOMMENT
(add-to-list 'package-selected-packages
             '(devdocs devdocs-browser focus zoom popwin dired-single diredfl xclip doominhibitinhibit-modeline magit helpful helm helm-org helm-ls-git projectile helm-projectile dired-rainbow dired-rainbow-listing dired-single dash s origami persp-mode persp-mode-projectile-bridge modus-themes transpose-frame use-package)
)
(require 'use-package)

; helper functions
(require 'subr-x)
(setq kmn/is-termux
      (string-suffix-p "Android" (string-trim (shell-command-to-string "uname -a"))))

; ensure elisp plugins are compiled
(require 'dash)
(require 'f)

(defun was-compiled-p (path)
  "Does the directory at PATH contain any .elc files?"
  (--any-p (f-ext? it "elc") (f-files path)))

(defun ensure-packages-compiled ()
  "If any packages installed with package.el aren't compiled yet, compile them."
  (--each (f-directories package-user-dir)
    (unless (was-compiled-p it)
      (byte-recompile-directory it 0))))

(ensure-packages-compiled)

(unless (was-compiled-p "~/.emacs.d.profiles/common")
      (byte-recompile-directory "~/.emacs.d.profiles/common" 0))

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; fix opening urls inside termux
(when kmn/is-termux
  (setq browse-url-browser-function 'browse-url-generic 
        browse-url-generic-program "/data/data/com.termux/files/usr/bin/termux-open"))

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; backups
(defconst kmn/backup-dir
  (expand-file-name "backups/" user-emacs-directory))
(unless (file-exists-p kmn/backup-dir)
  (make-directory kmn/backup-dir))
(setq backup-directory-alist `((".*" . ,kmn/backup-dir)))
(setq auto-save-list-file-prefix kmn/backup-dir)
(setq auto-save-file-name-transforms
      `(("\\(?:[^/]*/\\)*\\(.*\\)" ,(concat kmn/backup-dir "\\1") t)))
(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
)

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; dired adjustments
(with-eval-after-load 'dired
  (require 'dired-x)
  ;; Set dired-x global variables here.  For example:
  ;; (setq dired-x-hands-off-my-keys nil)
)
(require 'dired-single)
(defun my-dired-init ()
  "Bunch of stuff to run for dired, either immediately or when it's
   loaded."
  ;; <add other stuff here>
  (define-key dired-mode-map [remap dired-find-file]
    'dired-single-buffer)
  (define-key dired-mode-map [remap dired-mouse-find-file-other-window]
    'dired-single-buffer-mouse)
  (define-key dired-mode-map [remap dired-up-directory]
    'dired-single-up-directory))

;; if dired's already loaded, then the keymap will be bound
(if (boundp 'dired-mode-map)
    ;; we're good to go; just add our bindings
    (my-dired-init)
  ;; it's not loaded yet, so add our bindings to the load-hook
  (add-hook 'dired-load-hook 'my-dired-init))

; icons / colors / line tunes
(add-hook 'dired-mode-hook
          (lambda ()
            (interactive)
            (all-the-icons-dired-mode 1)
            (hl-line-mode 1)))
(use-package diredfl
  :commands diredfl-global-mode
  :init
  (diredfl-global-mode))

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; origami config
(use-package origami
  :demand
  :config
  (define-prefix-command 'origami-mode-map)
  (define-key ctl-x-map (kbd "z") 'origami-mode-map)
  (global-origami-mode)
  :bind
  (:map origami-mode-map
   ("o" . origami-open-node)
   ("O" . origami-open-node-recursively)
   ("c" . origami-close-node)
   ("C" . origami-close-node-recursively)
   ("a" . origami-toggle-node)
   ("t" . origami-recursively-toggle-node)
   ("R" . origami-open-all-nodes)
   ("M" . origami-close-all-nodes)
   ("v" . origami-show-only-node)
   ("k" . origami-previous-fold)
   ("j" . origami-forward-fold)
   ("x" . origami-reset)))

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; modern home/end via C-a and C-e
(defun my--smart-beginning-of-line ()
  "Move point to `beginning-of-line'. If repeat command it cycle
position between `back-to-indentation' and `beginning-of-line'."
  (interactive "^")
  (if (eq last-command 'my--smart-beginning-of-line)
    (if (= (line-beginning-position) (point))
      (back-to-indentation)
      (beginning-of-line))
    (back-to-indentation)))

(defun my--smart-end-of-line ()
  "Move point to `end-of-line'. If repeat command it cycle
position between last non-whitespace and `end-of-line'."
  (interactive "^")
  (if (and (eq last-command 'my--smart-end-of-line)
        (= (line-end-position) (point)))
    (skip-syntax-backward " " (line-beginning-position))
    (end-of-line)))

(defun kill-other-buffers ()
  "Kill all buffers but the current one. Don't mess with special buffers."
  (interactive)
  (dolist (buffer (buffer-list))
    (unless (or (eql buffer (current-buffer)) (not (buffer-file-name buffer)))
      (kill-buffer buffer))))

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; Setup global keys
(require 'transpose-frame)
(cua-mode 1)
(windmove-default-keybindings 'meta)
(global-set-key (kbd "<escape>") 'keyboard-escape-quit)
(global-set-key (kbd "M-m") 'menu-bar-open)
(global-set-key (kbd "<M-f4>") 'delete-frame)
(global-set-key (kbd "C-x C-z") nil)

(global-set-key (kbd "C-g") 'goto-line)
(global-set-key (kbd "C-c u") 'toggle-truncate-lines)
(global-set-key (kbd "C-o") 'helm-find-files)
(global-set-key (kbd "C-k") 'dired)
(global-set-key (kbd "C-a") 'my--smart-beginning-of-line)
(global-set-key (kbd "C-e") 'my--smart-end-of-line)
(global-set-key (kbd "C-c w")
                (lambda () 
				  (interactive)
				  (whitespace-mode)
				  (whitespace-newline-mode)
				)
)

(global-set-key (kbd "M-k") 'delete-window)
(global-set-key (kbd "M-\"") 'split-window-below)
(global-set-key (kbd "M-#") 'split-window-right)
(global-set-key (kbd "M-.") 'rotate-frame-clockwise)
(global-set-key (kbd "M-,") 'rotate-frame-anticlockwise)

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

; more vscode/gui styled find/replace
(defun query-replace-region-or-from-top ()
  "If marked, query-replace for the region, else for the whole buffer (start from the top)"
  (interactive)
  (progn
    (let ((orig-point (point)))
      (if (use-region-p)
          (call-interactively 'query-replace)
        (save-excursion
          (goto-char (point-min))
          (call-interactively 'query-replace)))
      (message "Back to old point.")
      (goto-char orig-point))))
(bind-key* "M-%" 'query-replace-region-or-from-top)
(global-set-key (kbd "C-h") 'query-replace-region-or-from-top)

; more vscode/gui styled find/replace
(global-set-key (kbd "C-s") 'isearch-forward)
(global-set-key (kbd "C-f") 'isearch-forward)

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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
(setq inhibit-startup-screen t)
(setq inhibit-startup-echo-area-message t)
(setq-default tab-width 4) ; sanity!
(electric-indent-mode 0) ; return should NOT fuck with the indentation of the previous line

;; 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)

; auto revert when files/dired changes
(setq global-auto-revert-non-file-buffers t)
(global-auto-revert-mode 1)

; Clipboard integration
(use-package xclip :config (xclip-mode 1))

;; use y or n instead of yes or not
(fset 'yes-or-no-p 'y-or-n-p)

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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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; whitespace
(progn
  ;; Make whitespace-mode with very basic background coloring for whitespaces.
  ;; http://xahlee.info/emacs/emacs/whitespace-mode.html
  (setq whitespace-style (quote (face spaces tabs newline space-mark tab-mark newline-mark )))

  ;; Make whitespace-mode and whitespace-newline-mode use “¶” for end of line char and “▷” for tab.
  (setq whitespace-display-mappings
        ;; all numbers are unicode codepoint in decimal. e.g. (insert-char 182 1)
        '(
          (space-mark 32 [183] [46]) ; SPACE 32 「 」, 183 MIDDLE DOT 「·」, 46 FULL STOP 「.」
          (newline-mark 10 [8629 10]) ; LINE FEED,
          (tab-mark 9 [8594 9] [92 9]) ; tab
          )))

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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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; focus on text (turn on as desired/needed ; off by default
(require 'focus)

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; helm
(setq completion-styles '(flex))

(require 'helm-config)
(require 'helm-color)
(require 'helm-ls-git)

(helm-autoresize-mode 1)

(setq helm-display-header-line nil
  helm-autoresize-max-height 30
  helm-autoresize-min-height 30)

(setq helm-split-window-in-side-p       t ; open helm buffer inside current window, not occupy whole other window
  helm-ff-file-name-history-use-recentf t
  helm-echo-input-in-header-line        t)

(global-set-key (kbd "C-x C-d") 'helm-browse-project)
(global-set-key (kbd "C-x b") 'list-buffers)
(global-set-key (kbd "C-x f") 'focus-mode)
(global-set-key (kbd "C-x c") 'focus-read-only-mode)
(define-key global-map [remap find-file] 'helm-find-files)
(define-key global-map [remap occur] 'helm-occur)
(define-key global-map [remap list-buffers] 'helm-buffers-list)
(define-key global-map [remap dabbrev-expand] 'helm-dabbrev)
(define-key global-map [remap execute-extended-command] 'helm-M-x)
(define-key global-map [remap apropos-command] 'helm-apropos)
(unless (boundp 'completion-in-region-function)
  (define-key lisp-interaction-mode-map [remap completion-at-point] 'helm-lisp-completion-at-point)
  (define-key emacs-lisp-mode-map       [remap completion-at-point] 'helm-lisp-completion-at-point))
(add-hook 'kill-emacs-hook #'(lambda () (and (file-exists-p "$CONF_FILE") (delete-file "$CONF_FILE"))))

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; activate helm after its fully configured
;(helm-mode 1)

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; persp-mode
(setq persp-auto-resume-time 0.25)
(setq persp-add-buffer-on-find-file nil)
(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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; diminish config
;   https://melpa.org/#/manage-minor-mode
;   M-x: manage-minor-mode
;   
;   M-x: describe-mode
;(require 'diminish)
;(diminish 'rainbow-mode) ; Hide lighter from mode-line
;(diminish 'org-habit) ; im well aware i have org-habit enabled globally. thanks
;(diminish 'helm-mode)
;(diminish 'eldoc-mode)

;
; doom-modeline
(require 'doom-modeline)
(setq all-the-icons-color-icons nil)
(setq find-file-visit-truename t)
(doom-modeline-mode 1)

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; flyspell
(require 'flyspell)
(setenv "LANG" "en_US")
(setq ispell-program-name "hunspell")
(setq ispell-dictionary "en_US")
(use-package flyspell :demand t
  :config
  (use-package 
    flyspell-correct-helm) 

  (defun flyspell-most-modes() 
    (add-hook 'text-mode-hook (lambda () (flyspell-mode 1) )) 
    (add-hook 'prog-mode-hook (lambda () (flyspell-mode 1) ))
    (dolist (hook '(change-log-mode-hook log-edit-mode-hook org-agenda)) 
      (add-hook hook (lambda () 
                       (flyspell-mode -1))))) 
  (flyspell-most-modes) 
)

(defun flyspell-on-for-buffer-type ()
  "Enable Flyspell appropriately for the major mode of the current buffer.  Uses `flyspell-prog-mode' for modes derived from `prog-mode', so only strings and comments get checked.  All other buffers get `flyspell-mode' to check all text.  If flyspell is already enabled, does nothing."
  (interactive)
  (if (not (symbol-value flyspell-mode)) ; if not already on
	(progn
	  (if (derived-mode-p 'prog-mode)
	    (progn
	      (message "Flyspell on (code)")
	      (flyspell-prog-mode))
	    ;; else
	    (progn
	      (message "Flyspell on (text)")
	      (flyspell-mode 1)))
	  ;; I tried putting (flyspell-buffer) here but it didn't seem to work
	  )))
(defun flyspell-toggle ()
    "Turn Flyspell on if it is off, or off if it is on.  When turning on, it uses `flyspell-on-for-buffer-type' so code-vs-text is handled appropriately."
    (interactive)
    (if (symbol-value flyspell-mode)
	  (progn ; flyspell is on, t it off
	    (message "Flyspell off")
	    (flyspell-mode -1))
	  ; else - flyspell is off, turn it on
	  (flyspell-on-for-buffer-type)))

; flyspell keyboard shortcuts
(global-set-key (kbd "C-x y") 'flyspell-toggle)
(global-set-key (kbd "C-x w") 'flyspell-correct-wrapper)

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; zoom (replaces golden-ratio)
(require 'zoom)
(setq zoom-size '(0.618 . 0.618))
(zoom-mode t)
(global-set-key (kbd "C-x +") 'zoom)

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; quick reference notes as a pop up window
(defun kmn/popwin-quick-ref ()
  (interactive)
  (when (eq system-type 'windows-nt)
    (popwin:find-file "~/org/_quick_reference.org"))
  (when kmn/is-termux
    (popwin:find-file "~/storage/shared/org/_quick_reference.org")))

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; scratch buffer as a pop up window
(defun kmn/popwin-scratch ()
  (interactive)
  (popwin:display-buffer "*scratch*")
)

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; popup windows
(use-package popwin
  :bind ( :map popwin:keymap
          ("h" . popwin:close-popup-window)
          ("q" . kmn/popwin-quick-ref)
          ("r" . kmn/popwin-scratch))
  :config
  (global-set-key (kbd "C-w") popwin:keymap)
  (push "*scratch*" popwin:special-display-config)
  (push "_quick_reference.org" popwin:special-display-config))

(popwin-mode 1)

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; devdocs
(require 'devdocs)
(require 'devdocs-browser)
; devdocs
(setq devdocs-data-dir "~/devdocs.el")
(global-set-key (kbd "C-x m") 'devdocs-lookup)
; devdocs-browser
(setq devdocs-browser-cache-directory  "~/devdocs-browser")
(global-set-key (kbd "C-x n") 'devdocs-browser-open)