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24 KiB

Garbage Collection

Temporarily set garbage collect threshold high to improve start time

  (setq gc-cons-threshold most-positive-fixnum)
  (add-hook 'after-init-hook (lambda () (setq gc-cons-threshold 800000)))

Package Control

Setup package control

  (setq package--init-file-ensured t) ; So (package-initialize) doesn't show up
  (require 'package)
  (setq package-archives '(("gnu" . "")
                           ("marmalade" . "")
                           ("melpa" . "")))
  (setq package-enable-at-startup nil)

Have use-package auto download

  (unless (package-installed-p 'use-package)
    (package-install 'use-package))
  (require 'use-package)
  (setq use-package-always-ensure t)


Runs a different function on startup depending on display mode.

  (setq custom-theme-directory "~/.emacs.d/themes")
  (defun wolfe/term-setup ()
    (load-theme 'ujelly t)
    (setq nlinum-format "%d ")
    (global-hl-line-mode 1)
    (add-to-list 'default-frame-alist '(background-color . "color-16"))
     '(linum ((t (:background "color-16" :foreground "#ffffff"))))
     '(iedit-occurrence ((t (:background "color-93"))))
     '(column-marker-1 ((t (:background "color-88"))))
     '(hl-line ((t (:weight bold))))))
  (defun wolfe/gui-setup ()
    ;;  (use-package solarized-theme
    ;;    :config
    ;;    (load-theme 'solarized-dark t))
    ;;  (set-frame-size (selected-frame) 90 40)

    (use-package sublime-themes
      (load-theme 'spolsky t))

     '(org-done ((t (:foreground "PaleGreen" :box (:line-width 1 :color "PaleGreen") :weight bold))))
     '(org-level-1 ((t (:inherit outline-1 :height 1.4))))
     '(org-todo ((t (:foreground "Pink" :box (:line-width 1 :color "Pink") :weight bold)))))

    ;; For old jazz theme
    ;; '(helm-ff-directory ((t (:background nil :foreground "DarkRed"))))
    ;; '(helm-ff-file ((t :foreground "#ffffff")))
    ;; '(column-marker-1 ((t (:background "#ff0000"))))
    ;; '(iedit-occurrence ((t (:background "#00bfff"))))
    ;; '(isearch ((t (:foreground "#ff0000"))))
    ;; '(lazy-highlight ((t (:foreground "#ff0000" :background nil))))
    ;; '(linum ((t (:foreground "#ffffff")))))

  ;; Not a function but it needs to be after the 2 setup functions
  (if (display-graphic-p)

General Settings

  (setq inhibit-splash-screen t
        inhibit-startup-message t
        inhibit-startup-echo-area-message "wolfe")
  (tool-bar-mode -1) ; No toolbar
  (scroll-bar-mode -1) ; Hide scrollbars
  (menu-bar-mode -1) ; No menubar
  (show-paren-mode t) ; Highlights matching parens
  (setq initial-scratch-message "") ; No scratch text
  (fset 'yes-or-no-p 'y-or-n-p) ; y/n instead of yes/no
  (setq-default indent-tabs-mode nil)
  (column-number-mode t)
  (delete-selection-mode 1) ; Replace selection on insert
  (setq vc-follow-symlinks t) ; Always follow symlinks
  (when (member "Inconsolata" (font-family-list)) ; Set default font
    (add-to-list 'default-frame-alist '(font . "Inconsolata-15" ))
    (set-face-attribute 'default t :font "Inconsolata-15"))
  (setq custom-file "~/.emacs.d/custom.el") ; Set custom file
  (load custom-file 'noerror) ; Load custom file
  (setq tags-revert-without-query t) ; Don't ask to reload TAGS file
  (setq scroll-margin 10
        scroll-step 1
        scroll-conservatively 10000
        scroll-preserve-screen-position 1)
  (load-file "~/.emacs.d/lisp/column-marker.el")
  (add-hook 'prog-mode-hook (lambda () (interactive) (column-marker-1 81)))
  (setq explicit-shell-file-name
        (if (file-readable-p "/usr/bin/zsh") "/usr/bin/zsh" "/bin/bash"))


Face Under Point

Returns the font lock face that's under the cursor.

  (defun what-face (pos)
    (interactive "d")
    (let ((face (or (get-char-property (point) 'read-face-name)
                    (get-char-property (point) 'face))))
      (if face (message "Face: %s" face) (message "No face at %d" pos))))

Compile Project

Compiles the project without a prompt.

  (defun wolfe/compile-no-prompt ()
    (let ((compilation-read-command nil))
      (compile (eval compile-command))))

Compile Dotfiles

Compiles all el files in the ~/.emacs.d directory.

  (defun wolfe/compile-dot-emacs ()
    "Byte-compile dotfiles."
    (byte-recompile-directory user-emacs-directory 0))
  (defun wolfe/clear-all-elc ()
    (shell-command "find ~/.emacs.d/ -name \"*.elc\" -type f -delete"))
  (defun wolfe/remove-elc-on-save ()
    "If you're saving an emacs-lisp file, likely the .elc is no longer valid."
    (add-hook 'after-save-hook
              (lambda ()
                (if (file-exists-p (concat buffer-file-name "c"))
                    (delete-file (concat buffer-file-name "c"))))
              nil t))
  (add-hook 'emacs-lisp-mode-hook 'wolfe/remove-elc-on-save)

Find Tags

Looks up tag under point.

  (defun wolfe/find-tag ()
    "Jump to the tag at point without prompting"
    (xref-find-definitions (find-tag-default)))
  (defadvice xref-find-definitions (around refresh-etags activate)
    "Rerun etags and reload tags if tag not found and redo find-tag.
     If buffer is modified, ask about save before running etags."
    (condition-case err
      (error (and (buffer-modified-p) (not (ding))
             (save-window-excursion (shell-command "etags -R *"))

Terminal Suspend

Fixes C-z in terminal.

  (defun wolfe/controlz ()
    (when (eq (display-graphic-p) nil)


Utility functions for finding Dropbox directories/files.

  (defun wolfe/org-open (name)
    "Opens the file in the dropbox path"
    (when (eq system-type 'gnu/linux)
      (evil-buffer-new nil (concat "~/Dropbox/org/" name ".org")))
    (when (eq system-type 'windows-nt)
      (evil-buffer-new nil (concat "C:\\Users\\Josh\\Dropbox\\org\\"
                                   name ".org"))))
  (defun wolfe/org-dropbox-path ()
    "Returns the dropbox path"
     ((eq system-type 'gnu/linux)
     ((eq system-type 'windows-nt)
     (else "")))
  (defun wolfe/dropbox-start ()
    (if (eq nil (file-exists-p "/virtual/wolfejos/dropbox/.dropbox-dist"))
        (call-process-shell-command "(python ~/.emacs.d/ start -i&)")
      (call-process-shell-command "(python ~/.emacs.d/ start&)")))
  (defun wolfe/dropbox-stop ()
    (call-process-shell-command "python ~/.emacs.d/ stop&"))


For reloading init.el file without restarting.

  (defun wolfe/load-init ()
    "Reloads init file"
    (load-file "~/.emacs.d/init.el"))


Better narrowing.

  (defun narrow-or-widen-dwim (p)
    "Widen if buffer is narrowed, narrow-dwim otherwise.
  Dwim means: region, org-src-block, org-subtree, or
  defun, whichever applies first. Narrowing to
  org-src-block actually calls `org-edit-src-code'.

  With prefix P, don't widen, just narrow even if buffer
  is already narrowed."
    (interactive "P")
    (declare (interactive-only))
    (cond ((and (buffer-narrowed-p) (not p)) (widen))
           (narrow-to-region (region-beginning)
          ((derived-mode-p 'org-mode)
           ;; `org-edit-src-code' is not a real narrowing
           ;; command. Remove this first conditional if
           ;; you don't want it.
           (cond ((ignore-errors (org-edit-src-code) t)
                 ((ignore-errors (org-narrow-to-block) t))
                 (t (org-narrow-to-subtree))))
          ((derived-mode-p 'latex-mode)
          (t (narrow-to-defun))))

  (defun wolfe/man ()
    (if (executable-find "man")
        (man (word-at-point))

Ivy Completion

  (defun wolfe/ivy--regex-fuzzy (str)
    "Build a regex sequence from STR.
   Insert .* between each char."
    (if (string-match "\\`\\(\\^?\\)\\(.*?\\)\\(\\$?\\)\\'" str)
            (concat (match-string 1 str)
                     (lambda (x)
                       (format "\\(%c\\)" x))
                     (delq 32 (string-to-list (match-string 2 str)))
                    (match-string 3 str))
          (setq ivy--subexps (length (match-string 2 str))))))

Evil & General

  (use-package general)
  (use-package evil
    (setq evil-want-C-u-scroll t) ; Unbind <C-u> for evil mode's use
    (setq evil-want-C-i-jump nil)
    (evil-mode t)
    (setq evil-split-window-below t)
    (setq evil-vsplit-window-right t)
    (setq-default evil-symbol-word-search t)
    (setq evil-lookup-func #'wolfe/man)
    (evil-ex-define-cmd "re[load]" 'wolfe/load-init) ; Custom reload command
    (define-key evil-ex-map "e " 'counsel-find-file) ; Trigger file completion :e
    (global-unset-key (kbd "M-SPC")) ; Unbind secondary leader

    (general-create-definer wolfe/bind-leader
                            :keymaps 'global
                            :states '(normal insert visual emacs)
                            :prefix "SPC"
                            :non-normal-prefix "M-SPC")

    (:states 'motion
             "k" 'evil-previous-visual-line
             "j" 'evil-next-visual-line)
    (:states 'operator
             "k" 'evil-previous-line
             "j" 'evil-next-line)

    (:states 'normal
             "C-h" help-map
             "C-z"  'wolfe/controlz)

     "w" 'save-buffer
     "S" 'eval-buffer
     "s" 'eval-defun
     "b" 'mode-line-other-buffer
     "k" 'kill-buffer
     "m" 'ivy-switch-buffer
     "t" 'wolfe/find-tag
     "e" 'iedit-mode
     "c" 'wolfe/compile-no-prompt
     "n" 'narrow-or-widen-dwim
     "p" 'counsel-git
     "a" 'org-agenda
     "g" 'magit-status
     "''" 'org-edit-src-exit
     ";" (lambda() (interactive) (save-excursion (end-of-line) (insert-char ?\;)))
     "id" (lambda() (interactive) (indent-region (point-min) (point-max)))
     "o" (lambda() (interactive) (wolfe/org-open "everything"))
     "init" (lambda() (interactive) (evil-buffer-new nil "~/.emacs.d/"))))

  ;; Tpope's surround
  (use-package evil-surround
    (global-evil-surround-mode 1))

  (use-package evil-magit)

Org Mode

  (require 'ox-latex)
  (add-to-list 'org-latex-packages-alist '("" "minted"))
  (setq org-latex-listings 'minted)
  (setq org-latex-pdf-process
        '("pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"
          "pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"
          "pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"))

  (require 'org-agenda)
  (use-package ox-reveal
    :ensure nil
    (use-package htmlize
      :ensure nil))

  (use-package calfw
    (require 'calfw-org)
     '(cfw:face-title ((t (:foreground "#f0dfaf" :weight bold :height 2.0 :inherit variable-pitch))))
     '(cfw:face-header ((t (:foreground "#d0bf8f" :weight bold))))
     '(cfw:face-sunday ((t :foreground "#cc9393" :background "grey10" :weight bold)))
     '(cfw:face-saturday ((t :foreground "#8cd0d3" :background "grey10" :weight bold)))
     '(cfw:face-holiday ((t :background "grey10" :foreground "#8c5353" :weight bold)))
     '(cfw:face-grid ((t :foreground "DarkGrey")))
     '(cfw:face-default-content ((t :foreground "#bfebbf")))
     '(cfw:face-periods ((t :foreground "cyan")))
     '(cfw:face-day-title ((t :background "grey10")))
     '(cfw:face-default-day ((t :weight bold :inherit cfw:face-day-title)))
     '(cfw:face-annotation ((t :foreground "RosyBrown" :inherit cfw:face-day-title)))
     '(cfw:face-disable ((t :foreground "DarkGray" :inherit cfw:face-day-title)))
     '(cfw:face-today-title ((t :background "#7f9f7f" :weight bold)))
     '(cfw:face-today ((t :background: "grey10" :weight bold)))
     '(cfw:face-select ((t :background "#2f2f2f")))
     '(cfw:face-toolbar ((t :foreground "Steelblue4" :background "Steelblue4")))
     '(cfw:face-toolbar-button-off ((t :foreground "Gray10" :weight bold)))
     '(cfw:face-toolbar-button-on ((t :foreground "Gray50" :weight bold)))))

  ;; Formats the agenda into nice columns
  (setq org-agenda-prefix-format
        '((agenda . " %i %-12t% s %-12(car (last (org-get-outline-path)))")
          (timeline . "  % s")
          (todo . " %i %-12:c")
          (tags . " %i %-12:c")
          (search . " %i %-12:c")))

  ;; Sets location of org files
  (setq org-agenda-files '("~/Dropbox/org/"))
  (setq browse-url-browser-function 'browse-url-chromium)
  (add-hook 'org-mode-hook
            '(lambda ()
               (setq org-file-apps
                     (append '(("\\.pdf\\'" . "zathura \"%s\"")) org-file-apps ))))

  (global-set-key "\C-cl" 'org-store-link)
  (global-set-key "\C-ca" 'org-agenda)
  (global-set-key (kbd "C-M-y") 'yank)
  (define-key org-agenda-mode-map "j" 'org-agenda-next-item)
  (define-key org-agenda-mode-map "k" 'org-agenda-previous-item)

  ;; ispell ignores SRC blocks
  (add-to-list 'ispell-skip-region-alist '("#\\+BEGIN_SRC" . "#\\+END_SRC"))
  (add-to-list 'ispell-skip-region-alist '("#\\+BEGIN_LATEX" . "#\\+END_LATEX"))

  (setq org-pretty-entities t
        org-src-fontify-natively t
        org-src-tab-acts-natively t
        org-src-window-setup 'current-window
        org-fontify-whole-heading-line t
        org-fontify-done-headline t
        org-fontify-quote-and-verse-blocks t
        org-log-done 'time
        org-agenda-use-time-grid nil
        org-agenda-skip-deadline-if-done t
        org-agenda-skip-scheduled-if-done t
        org-ellipsis "⤵")

  ;; Better looking org headers
  (use-package org-bullets
    (add-hook 'org-mode-hook (lambda () (org-bullets-mode 1))))



  (use-package delight
    (delight '((emacs-lisp-mode "ξ" :major)
               (lisp-interaction-mode "λ" :major)
               (python-mode "π" :major)
               (c-mode "𝐂 " :major)
               (org-mode "Ø" :major)
               (company-mode " α" company)
               (ivy-mode " ι" ivy)
               (eldoc-mode " ε" eldoc)
               (undo-tree-mode "" undo-tree)
               (auto-revert-mode "" autorevert))))

Ivy, Counsel and Swiper

  (use-package ivy
    :bind (("M-x" . counsel-M-x)
           ("C-x C-f" . counsel-find-file)
           :map ivy-minibuffer-map
           ("TAB" . ivy-next-line)
           ("RET" . ivy-alt-done))
    (use-package smex)
    (use-package counsel)
    (setq ivy-re-builders-alist
          '((t . wolfe/ivy--regex-fuzzy)))
    (setq ivy-wrap t)
    (ivy-mode 1)
    (setq ivy-use-virtual-buffers t))
(use-package swiper
  :bind (("C-s" . swiper)))


  (use-package nlinum-relative
    (setq nlinum-relative-redisplay-delay 0.25)
    (setq nlinum-relative-current-symbol "")
    (add-hook 'prog-mode-hook 'nlinum-relative-mode))


  (use-package magit
    (global-set-key "\C-x\g" 'magit-status))


  (use-package iedit
    (setq iedit-toggle-key-default nil))


  (use-package flycheck
    (add-hook 'haskell-mode-hook (lambda() (flycheck-select-checker 'haskell-ghc)))
    (with-eval-after-load 'flycheck
      (setq-default flycheck-disabled-checkers '(emacs-lisp-checkdoc))))


  (when (executable-find "spotify")
    (when (file-exists-p "~/Documents/spotify-secret-id.el")
      (load-file "~/Documents/spotify-secret-id.el"))
    (add-to-list 'load-path "~/.emacs.d/spotify.el")
    (require 'spotify)
    (setq spotify-mode-line-refresh-interval 1)
    (setq spotify-mode-line-format "%t - %a"))


  (when (require 'mu4e nil 'noerror)
    (setq mu4e-msg2pdf "/usr/bin/msg2pdf")
     ;; set mu4e as default mail client
     mail-user-agent 'mu4e-user-agent
     ;; root mail directory - can't be switched
     ;; with context, can only be set once
     mu4e-maildir "~/.mail"
     mu4e-attachments-dir "~/Downloads/Attachments"
     ;; update command
     mu4e-get-mail-command "mbsync -q -a"
     ;; update database every seven minutes
     mu4e-update-interval (* 60 7)
     ;; use smtpmail (bundled with emacs) for sending
     message-send-mail-function 'smtpmail-send-it
     ;; optionally log smtp output to a buffer
     smtpmail-debug-info t
     ;; close sent message buffers
     message-kill-buffer-on-exit t
     ;; customize list columns
     mu4e-headers-fields '((:flags . 4)
                           (:from . 20)
                           (:human-date . 10)
     ;; for mbsync
     mu4e-change-filenames-when-moving t
     ;; pick first context automatically on launch
     mu4e-context-policy               'pick-first
     ;; use current context for new mail
     mu4e-compose-context-policy       nil
     mu4e-confirm-quit                 nil)

    (global-set-key (kbd "<f12>") 'mu4e)
    (global-set-key (kbd "<C-f12>") 'mu4e-update-mail-and-index)

    (setq mu4e-contexts
              :name "gmail"
              :match-func (lambda(msg)
                            (when msg
                              (mu4e-message-contact-field-matches msg :to "")))
              :vars '(
                      ;; local directories, relative to mail root
                      (mu4e-sent-folder . "/gmail/[Gmail]/.Sent Mail")
                      (mu4e-drafts-folder . "/gmail/[Gmail]/.Drafts")
                      (mu4e-trash-folder . "/gmail/[Gmail]/.Trash")
                      (mu4e-refile-folder . "/gmail/[Gmail]/.All Mail")
                      ;; account details
                      (user-mail-address . "")
                      (user-full-name . "Josh Wolfe")
                      (mu4e-user-mail-address-list . ( "" ))
                      ;; gmail saves every outgoing message automatically
                      (mu4e-sent-messages-behavior . delete)
                      (mu4e-maildir-shortcuts . (("/gmail/INBOX" . ?j)
                                                 ("/gmail/[Gmail]/.All Mail" . ?a)
                                                 ("/gmail/[Gmail]/.Trash" . ?t)
                                                 ("/gmail/[Gmail]/.Drafts" . ?d)))
                      ;; outbound mail server
                      (smtpmail-smtp-server . "")
                      ;; outbound mail port
                      (smtpmail-smtp-service . 465)
                      ;; use ssl
                      (smtpmail-stream-type . ssl)
                      ;; the All Mail folder has a copy of every other folder's contents,
                      ;; and duplicates search results, which is confusing
                      (mue4e-headers-skip-duplicates . t)))))

    (use-package evil-mu4e))

Language Specific


  (use-package web-mode
    (add-to-list 'auto-mode-alist '("\\.html\\'" . web-mode))
    (add-to-list 'auto-mode-alist '("\\.php\\'" . web-mode)))


  (use-package haskell-mode)

  (use-package company-ghc
    (add-to-list 'company-backends 'company-ghc))


  (use-package latex-preview-pane
    :ensure f)


  (use-package matlab-mode
    (load-library "matlab-load")
    (autoload 'matlab-mode "matlab" "Matlab Editing Mode" t)
     '("\\.m$" . matlab-mode))
    (setq matlab-indent-function t)
    (setq matlab-shell-command "matlab")
    ;; emacs-lisp setup for matlab-mode:
    (setq matlab-shell-command-switches (list "-nodesktop")))


  (use-package company
    (setq company-idle-delay 0) ; Delay to complete
    (setq company-minimum-prefix-length 1)
    (setq company-selection-wrap-around t) ; Loops around suggestions

    (if (display-graphic-p)
        (define-key company-active-map [tab] 'company-select-next)
      (define-key company-active-map (kbd "C-i") 'company-select-next))

    ;; C / C++
    (setq company-clang-insert-arguments nil)

  (require 'color)
  (let ((bg (face-attribute 'default :background)))
     `(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-math
    (defun wolfe/latex-setup ()
      (setq-local company-backends
                  (append '((company-math-symbols-latex company-latex-commands))

    (add-hook 'org-mode-hook 'wolfe/latex-setup)
    (add-hook 'tex-mode-hook 'wolfe/latex-setup))


  (setq gdb-many-windows t ;; use gdb-many-windows by default
        gdb-show-main t
        ;; Non-nil means display source file containing the main routine at startup


  (setq backup-by-copying t) ; Stop shinanigans with links
  (setq backup-directory-alist '((".*" . "~/.bak.emacs/backup/")))
  ;; Creates directory if it doesn't already exist
  (if (eq nil (file-exists-p "~/.bak.emacs/"))
      (make-directory "~/.bak.emacs/"))
  ;; Creates auto directory if it doesn't already exist
  (if (eq nil (file-exists-p "~/.bak.emacs/auto"))
      (make-directory "~/.bak.emacs/auto"))
  ;; backup in one place. flat, no tree structure
  (setq auto-save-file-name-transforms '((".*" "~/.bak.emacs/auto/" t)))