42 KiB

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Emacs Configuration

prelude
appearance
- fonts setup doesn't work
- tty
packages
mode related
- common defaults
  - prog-mode hooks to use-package
  - c
  - elisp
  - python-mode
  - shell
  - perl
- auto-insert-mode new file templates
  - c
  - elisp
  - python
  - shell
custom
Load any local definitions

prelude

Startup related tasks/setup that might be used later on.

emacs package setup

Setup the builtin emacs package manager.

(require 'package)
(package-initialize)

This is out of place but to catch the gui elements early.

(tool-bar-mode -1)
(scroll-bar-mode -1)
(when (not (window-system))
  (menu-bar-mode -1))

Add in standard package archive urls. Marmalade is gone as its ssl cert expired in 2018, so don't think its even worth using.

(add-to-list 'package-archives '("org" . "http://orgmode.org/elpa/") t)
(add-to-list 'package-archives '("melpa" . "http://melpa.org/packages/") t)
(add-to-list 'package-archives '("stable-melpa" . "https://stable.melpa.org/packages/") t)
(add-to-list 'package-archives '("gnu" . "https://elpa.gnu.org/packages/") t)

tangle functions

Duplicated from tangle.el just to make using org easier.

TODO: make this stuff work sanely in emacs org mode and via external tangling. Not tangled for now.

(defun tangle/yn (p) (if (bound-and-true-p p) "yes" "no"))
(defun tangle/file (file p) (if (bound-and-true-p p) (concat "tmp/" file) "no"))

emacs gc speedup

(defun my-minibuffer-setup-hook ()
  (setq gc-cons-threshold most-positive-fixnum))

(defun my-minibuffer-exit-hook ()
  (setq gc-cons-threshold 8000000))

(add-hook 'minibuffer-setup-hook #'my-minibuffer-setup-hook)
(add-hook 'minibuffer-exit-hook #'my-minibuffer-exit-hook)

use-package bootstrap

This configuration is using use-package extensively. Install it earlyso we can use it elsewhere.

(unless (package-installed-p 'use-package)
  (progn
    (package-refresh-contents)
    (package-install 'use-package)
    (package-initialize)))

(require 'use-package)
(setq use-package-verbose t)

(use-package auto-package-update :ensure t :defer t)

TODO test diminish updates validation

Keep the mode line less cluttered with crap from modes I don't care about.

(use-package diminish
  :ensure t
  :config
  (diminish 'flyspell-mode)
  (diminish 'whitespace-mode)
  (diminish 'visual-line-mode)
  )

match end of string function

(defun string/ends-with (string suffix)
  "Return t if STRING ends with SUFFIX."
  (and (string-match (rx-to-string `(: ,suffix eos) t)
                     string)
       t)
  )

debug on error

Not having to start emacs with –debug-init is useful.

(setq-default debug-on-error t)

emacs server

Start up the emacs server if it isn't running.

(load "server")
(unless (server-running-p) (server-start))

theme

Sick of solarized, going back to good old black on white minimalism like paper.

TODO: Maybe get this to go dark automagically?

(use-package minimal-theme :ensure t :config (load-theme 'minimal-light t))

os detection

Make it easier to determine what os we're running on.

(defvar on-mswindows (string-match "windows" (symbol-name system-type))
  "Am I running under windows?")
(defvar on-osx (string-match "darwin" (symbol-name system-type))
  "Am I running under osx?")
(defvar on-linux (string-match "gnu/linux" (symbol-name system-type))
  "Am I running under linux?")

disable pointless startup stuff

Like the startup screen and the echo hooey.

  (custom-set-variables
   '(inhibit-startup-screen t)
   '(inhibit-startup-message t)
   '(inhibit-startup-echo-area-message t)
   '(initial-scratch-message nil)
   )

temporary files

Keep temporary stuff isolated from everyone else. It infects everything otherwise. As bad as the .DS_Store files on osx.

(custom-set-variables
 '(temporary-file-directory "/tmp")
 '(backup-directory-alist `((".*" . ,temporary-file-directory)))
 '(auto-save-file-name-transforms `((".*" ,temporary-file-directory t)))
 '(create-lockfiles nil)
 '(make-backup-files nil)
 '(auto-save-default nil)
 '(backup-by-copying t)
 '(auto-save-list-file-prefix temporary-file-directory)
 '(backup-directory-alist `((".*" . ,temporary-file-directory)))
 '(auto-save-file-name-transforms `((".*" ,temporary-file-directory t)))
 )

auto revert

Update files in open buffers as they're changed on disk, freaking annoying without this on.

(custom-set-variables '(global-auto-revert-mode t))

dired

Use dired-x.

(add-hook 'dired-load-hook (function (lambda () (load "dired-x"))))

ediff

For those rare times I use it, make it a bit less derp on output.

(setq ediff-window-setup-function 'ediff-setup-windows-plain)
(setq ediff-split-window-function 'split-window-horizontally)

always remove trailing whitespace

Trailing whitespace is not normally useful. Remove it always on save in the before-save-hook.

(add-hook 'before-save-hook 'delete-trailing-whitespace)

chmod u+x on save for scripts

Because its derp to have to chmod 755 stuff after I save. Honestly, do it for me kthxbai.

(add-hook 'after-save-hook 'executable-make-buffer-file-executable-if-script-p)

misc text related

(put 'upcase-region 'disabled nil)

line wrap

Line wrapping is useful. Enable it globally for a start.

Need word-wrap so kill line kills the line, not the displayed line.

(global-visual-line-mode t)
(custom-set-variables '(word-wrap t))

default major mode

So if we don't know, call it text-mode.

(custom-set-variables '(default-major-mode 'text-mode))

encoding

utf8 is the best. Default to it.

(use-package unicode-escape :ensure t)
(set-language-environment "UTF-8")

(custom-set-variables '(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)

text selection

If I selected text, delete the selection, I probably meant it emacs.

(delete-selection-mode 1)

line width

80 char line columns not 72.

(custom-set-variables '(fill-column 80))

we aren't banging rocks together anymore emacs

Double spacing after a line isn't needed. We aren't animals emacs, we have computers.

(set-default 'sentence-end-double-space nil)

long line speedups

Improve the performance of emacs with files that contain long lines. Disable left to right and right to left in the same buffer support. Until or if I learn a language that needs this I can deal with it then.

(setq-default bidi-paragraph-direction 'left-to-right)

Also disable this algorithm, which may unbalance ()'s in bidirectional language detection. But again as I don't use/speak/read them. Ok tradeoff.

(if (version<= "27.1" emacs-version)
    ((setq bidi-inhibit-bpa t)
    (global-so-long-mode 1)))

Ref: https://200ok.ch/posts/2020-09-29_comprehensive_guide_on_handling_long_lines_in_emacs.html

sentence end

Semi related to the above, make the sentence endings a bit more code-ish.

(custom-set-variables
 '(sentence-end "[.?!][]\"')]*\\($\\|\t\\| \\)[ \t\n]*")
 '(sentence-end-double-space nil)
 )

default tab-width

Two seems sensible, cause well, tabs are evil incarnate.

Lets use a tab width of 2 by default.

(custom-set-variables '(default-tab-width 2))

whitespace

Customize whitespace mode to make tabs obvious as boxes, and to highlight lines over 80 characters in length.

(require 'whitespace)

(setq whitespace-style '(face tabs trailing))

(set-face-attribute 'whitespace-tab nil
                    :foreground "#2075c7"
                    :background "lightgrey")

(set-face-attribute 'whitespace-line nil
                    :foreground "#2075c7"
                    :background "lightgrey")

uncategorized

I have no idea how to label these.

Highlight parens.

(show-paren-mode)

Typing out yes or no is stupid.

(fset 'yes-or-no-p 'y-or-n-p)

Disable the stupid prompt added in 23.2 that asks if you want to kill a buffer with a process attached. Yes, obviously, shut up and do it.

(setq kill-buffer-query-functions
      (remq 'process-kill-buffer-query-function kill-buffer-query-functions))

TESTING tooltip mode

Puts all tooltips in the echo arear.

(tooltip-mode -1)
(custom-set-variables
 '(tooltip-use-echo-area t))

TESTING redisplay

Have emacs not redraw the display before processing input events.

(custom-set-variables
 '(redisplay-dont-pause t))

osx specific

no yes-or-no gui windows

On osx, don't ever display the gui dialog box. Taken from http://superuser.com/questions/125569/how-to-fix-emacs-popup-dialogs-on-mac-os-x

(when (and on-osx (window-system))
  (defadvice yes-or-no-p (around prevent-dialog activate)
    "Prevent yes-or-no-p from activating a dialog"
    (let ((use-dialog-box nil))
      ad-do-it))
  (defadvice y-or-n-p (around prevent-dialog-yorn activate)
    "Prevent y-or-n-p from activating a dialog"
    (let ((use-dialog-box nil))
      ad-do-it))
  )

make osx gui emacs keyboard setup match console

Command should be meta on cocoa emacs like the old carbon/macports version.

(when (and on-osx (window-system))
  (custom-set-variables
   '(mac-command-key-is-meta t)
   '(mac-option-key-is-meta nil)
   '(mac-command-key-is-meta t)
   '(mac-command-modifier 'meta)
   '(mac-option-modifier 'none)
   )
  )

global key bindings

Global key bindings.

  (global-set-key (kbd "C-x ,") 'kill-whole-line)
  (global-set-key (kbd "C-x C-m") 'compile)

x copy/paste

(when (and on-linux (window-system))
  (progn
    (setq interprogram-paste-function 'x-cut-buffer-or-selection-value)
    (setq x-select-enable-clipboard t)
    )
  )

appearance

TODO fonts setup doesn't work broken

Trying something new here.

(setq default-frame-alist
      (append (list
               '(font . "Comic Code 14")
               '(min-height . 1)
               '(height     . 42)
               '(foreground-color . "#333333")
               '(background-color . "#ffffff")
               '(cursor-color . "black")
               '(internal-border-width . 1)
               '(tool-bar-lines . 0)
               '(menu-bar-lines . 0))))

List of fonts in order of preference. Set preferred font list when we're in a gui emacs session.

TODO is this doesn't loop through the gui fonts right and set based on the alist order of the first matching font in macos.

(defvar my/gui-fonts
  '(
    "ComicCode"
    "Comic Code"
    "PragmataPro"
    "Pragmata Pro" ;; Seems to register differently on osx than X
    "Source Code Pro"
    "Menlo"
    "Monaco"
    )
  )
(with-no-warnings
  (when window-system
    (if (find-font (font-spec :name (car my/gui-fonts)))
        (progn (set-frame-font (car my/gui-fonts))
               (set-face-attribute 'default nil :height 180))
      (progn (set-gui-font (cdr my/gui-fonts))))
    )
  )

tty

Enable mouse mode for the console and use the mousewheel if possible.

(unless window-system
  (require 'mouse)
  (xterm-mouse-mode t)
  (global-set-key [mouse-4] '(lambda ()
                               (interactive)
                               (scroll-down 1)))
  (global-set-key [mouse-5] '(lambda ()
                               (interactive)
                               (scroll-up 1)))
  (defun track-mouse (e))
  )

packages

All the packages I use.

editorconfig

If editorconfig is around use it.

(use-package editorconfig
  :ensure t
  :diminish
  :config
  (editorconfig-mode 1))

tramp

(use-package tramp
  :defer t
  :custom
  (tramp-default-method "ssh")
  :config
  (add-to-list 'tramp-default-proxies-alist '(".*" "\`root\'" "/ssh:%h:"))
  )

exec-path-from-shell

Turns out that someone wrote this exact thing already. Yay get to drop my own crap.

(use-package exec-path-from-shell
  :ensure t
  :init (if on-osx (exec-path-from-shell-initialize))
  )

osx-clipboard-mode

(when on-osx
  (use-package osx-clipboard
    :ensure t
    :config
    (progn
      (osx-clipboard-mode +1)
      )
    )
  )

spaceline theme

Just use the silly spacemacs smart modeline theme cause I'm lazy.

(use-package spaceline :ensure t :init (progn (require 'spaceline-config) (spaceline-spacemacs-theme)))

yasnippet

(use-package yasnippet
  :diminish yas-minor-mode
  :ensure t
  :init
  (setq yas-snippet-dirs
        '("~/.emacs.d/snippets"
          "~/.emacs.d/snippets-upstream"
          ))
    :config
    (yas/reload-all)
    (add-hook 'prog-mode-hook
              '(lambda ()
                 (yas-minor-mode)))
    (add-hook 'org-mode-hook
              '(lambda ()
                 (yas-minor-mode)))
    )

semantic

Note that not all these functions are defined at package install time

(use-package semantic
  :ensure t
  :config
  (add-to-list 'semantic-default-submodes 'global-semantic-stickyfunc-mode)
  (custom-set-variables
   '(global-semantic-decoration-mode t)
   '(global-semantic-highlight-func-mode t)
   '(global-semantic-idle-scheduler-mode t)
   '(global-semantic-idle-local-symbol-highlight-mode t)
   )
  :init (semantic-mode t)
  )

expand-region

(use-package expand-region :ensure t :bind ("C-]" . er/expand-region))

ivy/swiper/projectile

Switching to ivy mode+swiper

(use-package projectile
  :diminish projectile-mode
  :ensure t
  :init (projectile-global-mode)
  )

(use-package counsel
  :ensure t
  :bind (("C-x C-f" . counsel-find-file)
         ("C-c g" . counsel-git)
         ("C-c j" . counsel-git-grep)
         ("C-c k" . counsel-ag)
         ("C-x l" . counsel-locate)
         ("C-S-o" . counsel-rhythmbox)
         ("C-c C-r" . ivy-resume))
  :custom
  (counsel-find-file-at-point t)
  )

(use-package swiper
  :ensure t
  :diminish ivy-mode
  :bind (("C-s" . swiper)
         ("M-x" . counsel-M-x))
  :config
  (ivy-mode 1)
  :custom
  (projectile-completion-system 'ivy)
  (magit-completing-read-function 'ivy-completing-read)
  (ivy-use-virtual-buffers t)
  (ivy-height 10)
  (ivy-count-format "(%d/%d) ")
  )

magit

Make git not ass to use. At least in emacs. magit is the best git interface… in the world.

(use-package magit
  :diminish magit-mode
  :ensure t
  :commands (magit-init
             magit-status
             magit-diff
             magit-commit)
  :bind ("C-x m" . magit-status)
  :custom
  (magit-auto-revert-mode nil)
  (magit-last-seen-setup-instructions "1.4.0")
  :config
  (defadvice magit-status (around magit-fullscreen activate)
    (window-configuration-to-register :magit-fullscreen)
    ad-do-it
    (delete-other-windows))

  (defadvice magit-quit-window (around magit-restore-screen activate)
    ad-do-it
    (jump-to-register :magit-fullscreen))
  )

TODO workgroups2 broken

Save workgroup layouts. Similar..ish to desktop-save.

(use-package workgroups2
  :ensure t
  :diminish (workgroups-mode . "")
  :custom
  (wg-session-file "~/.emacs.d/workgroups")
  (wg-prefix-key (kbd "C-c C-w"))
  (wg-mode-line-display-on nil)
  :init (workgroups-mode 1)
  )

autopair

Highlight matching ()'s []'s etc…

(use-package autopair
  :ensure t
  :custom
  (autopair-blink 'nil)
  )

TODO org-mode validation testing

Org-mode keybindings and settings, pretty sparse really.

Todo is to figure out what needs to happen for the capture templates and validate the agenda changes.

(use-package org
  :diminish
  :ensure t
  :bind (("C-c a" . org-agenda)
         ("C-c b" . org-iswitchb)
         ("C-c c" . org-capture)
         ("C-c l" . org-store-link)
         ("C-c p" . org-latex-export-to-pdf))
  :custom
  (org-directory "~/src/org")
  ;; Don't sort-lines ^^^
  (org-agenda-span 'fortnight)
  (org-archive-directory "~/src/org/attic")
  (org-confirm-babel-evaluate nil)
  (org-default-notes-file (concat org-directory "/notes.org"))
  (org-fontify-done-headline t)
  (org-hide-emphasis-markers t)
  (org-hide-leading-stars t)
  (org-log-done t)
  (org-pretty-entities t)
  (org-src-preserve-indentation t)
  (org-src-strip-leading-and-trailing-blank-lines t)
  ;; Ref https://orgmode.org/manual/Template-elements.html for more detail.
  (org-agenda-files
   (list "~/src/org"
         "~/src/git.functionalidiot.com/mitchty/dotfiles"))
  (org-capture-templates
   '(
     ("d" "deadline"
      entry (file+headline org-default-notes-file "Todos")
      "* PRIO %? \nDEADLINE: %t"
      :prepend t :empty-lines 1 :clock-in t :clock-resume t)
     ("t" "todo"
      entry (file+headline org-default-notes-file "Todos")
      "* TODO %?\n  %i\n  %a\n"
      :prepend t :empty-lines 1 :clock-in t :clock-resume t)
     ("n" "note"
      entry (file+headline org-default-notes-file "Notes")
      "\n* %?\nRandom Note entered on %U\n  %i\n  %a\n"
      :prepend t :empty-lines 1 :clock-in t :clock-resume t)
     ("m" "email todo"
      entry (file+headline org-default-notes-file "Inbox")
      "\n* TODO %?, Link: %a\n"
      :prepend t :empty-lines 1 :clock-in t :clock-resume t)
     ("u" "urls"
      entry (file+headline org-default-notes-file "Urls")
      "\n* %? :url:\n%i\n"
      :prepend t :empty-lines 1 :clock-in t :clock-resume t)
     ("i" "interruption"
      entry (file+headline org-default-notes-file "Interruptions")
      "\n* BLOCKED by %? :BLOCKED:\n%t"
      :prepend t :empty-lines 1 :clock-in t :clock-resume t)
     ("j" "journal"
      entry (file (concat org-directory "/journal.org"))
      "* %?\n%U\n"
      :prepend t :empty-lines 1 :clock-in t :clock-resume t)
     ))
  :config
  (add-to-list 'org-structure-template-alist '("el" "#+BEGIN_SRC emacs-lisp\n?\n#+END_SRC" ""))
  (add-to-list 'org-structure-template-alist '("hs" "#+BEGIN_SRC haskell\n?\n#+END_SRC" ""))
  (add-to-list 'org-structure-template-alist '("pl" "#+BEGIN_SRC perl\n?\n#+END_SRC" ""))
  (add-to-list 'org-structure-template-alist '("py" "#+BEGIN_SRC python\n?\n#+END_SRC" ""))
  (add-to-list 'org-structure-template-alist '("sh" "#+BEGIN_SRC sh\n?\n#+END_SRC" ""))
  (org-babel-do-load-languages 'org-babel-load-languages
                               (append org-babel-load-languages
                                       '(
                                         (C . t)
                                         (ditaa . t)
                                         (emacs-lisp . t)
                                         (haskell . t)
                                         (latex . t)
                                         (perl . t)
                                         (python . t)
                                         (ruby  . t)
                                         (shell . t)
                                         )))
  (add-hook 'after-init-hook (lambda () (org-reload)))
)

TODO Org-roam testing validation

DEADLINE: <2020-09-11 Fri>

CLOCK: [2020-09-07 Mon 10:59]–[2020-09-07 Mon 11:00] => 0:01

Figure out how the hell to use this thing.

Ref:

(use-package org-roam
 :after org
 :ensure t
 :hook
 (after-init . org-roam-mode)
 :custom
 (org-roam-directory "~/src/org/roam")
 :bind (:map org-roam-mode-map
             (("C-c n l" . org-roam)
              ("C-c n f" . org-roam-find-file)
              ("C-c n g" . org-roam-graph-show))
             :map org-mode-map
             (("C-c n i" . org-roam-insert))
             (("C-c n I" . org-roam-insert-immediate))))

TODO org babel ob-async testing validation

Validate that this installs from scratch fine, blocking babel executions is ass.

(use-package ob-async :after org :ensure t :diminish)

TODO org-habit customization testing

Figure out the customization needed here.

(use-package org-habit
  :after org
  :diminish
  :custom
  (org-habit-graph-column 44)
  (org-habit-preceding-days 31)
  (org-habit-following-days 7))

TODO org-bullets review if alternative is worth it validation

https://github.com/integral-dw/org-superstar-mode

(use-package org-bullets
  :after org
  :ensure t
  :custom
  (org-bullets-bullet-list '("①" "②" "③" "④" "⑤"))
  :config
  (add-hook 'org-mode-hook (lambda () (org-bullets-mode 1)))
  (when window-system
    (let* ((variable-tuple (cond ((x-list-fonts "Source Sans Pro") '(:font "Source Sans Pro"))
                                 ((x-list-fonts "Lucida Grande")   '(:font "Lucida Grande"))
                                 ((x-list-fonts "Verdana")         '(:font "Verdana"))
                                 ((x-family-fonts "Sans Serif")    '(:family "Sans Serif"))
                                 (nil (warn "Cannot find a Sans Serif Font."))))
           (base-font-color     (face-foreground 'default nil 'default))
           (headline           `(:inherit default :weight bold :foreground ,base-font-color)))
      (custom-theme-set-faces 'user
                              `(org-level-8 ((t (,@headline ,@variable-tuple))))
                              `(org-level-7 ((t (,@headline ,@variable-tuple))))
                              `(org-level-6 ((t (,@headline ,@variable-tuple))))
                              `(org-level-5 ((t (,@headline ,@variable-tuple))))
                              `(org-level-4 ((t (,@headline ,@variable-tuple :height 1.1))))
                              `(org-level-3 ((t (,@headline ,@variable-tuple :height 1.25))))
                              `(org-level-2 ((t (,@headline ,@variable-tuple :height 1.5))))
                              `(org-level-1 ((t (,@headline ,@variable-tuple :height 1.75))))
                              `(org-document-title ((t (,@headline ,@variable-tuple :height 1.5 :underline nil)))))))
  (font-lock-add-keywords 'org-mode
                          '(("^ +\\([-*]\\) "
                             (0 (prog1 () (compose-region (match-beginning 1) (match-end 1) "•"))))))
  )

TODO Keep ox-latex in org setup? validation broken

Its tangle is set to no…

(require 'ox-latex)
ox-latex

(unless (boundp 'org-latex-classes)
  (setq org-latex-classes nil))
nil

(add-to-list 'org-latex-classes
             '("article"
               "\\documentclass{article}"
               ("\\section{%s}" . "\\section*{%s}")))

flycheck

Flycheck for on the fly checking of code.

(use-package flycheck
  :diminish flycheck-mode
  :ensure t
  :custom
  (flycheck-indication-mode 'left-fringe)
  :config
  (add-hook 'prog-mode-hook 'flycheck-mode)
  )

TODO pkg-config lib stuff for flycheck broken

Need to vet this, used it more when I did more c. But its handy for non standard pkg-config setups.

Not tangled into the config intentionally.

(defun pkg-config-add-lib-cflags (pkg-config-lib)
  "This function will add necessary header file path of a
  specified by `pkg-config-lib' to `flycheck-clang-include-path', which make it
  completionable by auto-complete-clang"
  (interactive "spkg-config lib: ")
  (if (executable-find "pkg-config")
      (if (= (shell-command
              (format "pkg-config %s" pkg-config-lib))
             0)
          (setq flycheck-clang-include-path
                (append flycheck-clang-include-path
                        (split-string
                         (shell-command-to-string
                          (format "pkg-config --cflags-only-I %s"
                                  pkg-config-lib)))))
        (message "Error, pkg-config lib %s not found." pkg-config-lib))
    (message "Error: pkg-config tool not found.")))

TODO auto-complete not tangled validation broken

Auto complete functionality is nice to have.

(use-package auto-complete
  :diminish auto-complete-mode
  :ensure t
  :init
  (require 'auto-complete-config)
  (ac-config-default)
  (global-auto-complete-mode t)
  )

smartparens

Helpfully inserts matching parens, can be a pita too.

(use-package smartparens
  :diminish smartparens-mode
  :ensure t
  :config
  (add-hook 'prog-mode-hook 'smartparens-mode)
  )

rainbow delimiters

Makes matching parens easier.

(use-package rainbow-delimiters
  :ensure t
  :config
  (add-hook 'prog-mode-hook 'rainbow-delimiters-mode)
  )

uniquify

Make buffer names unique based on their directory and not have <N> or other nonsense.

(require 'uniquify)
(custom-set-variables '(uniquify-buffer-name-style 'post-forward))

desktop-save

Desktop saving of session information handy to keep the same buffers between sessions.

(require 'desktop)

(desktop-save-mode 1)

(custom-set-variables
 '(desktop-restore-eager 5)
 '(desktop-path '("~/.emacs.d"))
 '(desktop-dirname  "~/.emacs.d")
 '(desktop-base-file-name "desktop")
 )

(defun local-desktop-save ()
  (interactive)
  (if (eq (desktop-owner) (emacs-pid))
      (desktop-save desktop-dirname)))

TODO super-save validation testing

REMOVE ME && TODO IF THIS WORKS

Saves buffers like with auto-save but on focus loss, when idle etc…

(use-package super-save
  :diminish super-save-mode
  :ensure t
  :config
  (super-save-mode +1)
  (setq super-save-auto-save-when-idle t)
  (setq auto-save-default nil)
  )

TODO fic-mode broken

Highlight TODO/FIXME type messages in comments.

(use-package fic-mode
  :ensure t
  :init
  (add-hook 'prog-mode-hook 'turn-on-fic-mode)
  )

git gutter

(use-package git-gutter
  :diminish git-gutter-mode
  :ensure t
  :config
  (global-git-gutter-mode t)
  )

clang-format

(use-package clang-format
  :ensure t
  :bind (([C-M-tab] . clang-format-region))
  )

hideshow

(use-package hideshow
  :ensure t
  :bind ("C-c s" . hs-toggle-hiding)
  )

TODO ggtags broken

(use-package ggtags :ensure t)

TODO company-mode broken

Completion tips.

(use-package company-mode
  :ensure t
  :config
  (add-hook 'after-init-hook 'global-company-mode)
  )

yaml-mode

For.. yaml

(use-package yaml-mode :ensure t)

writegood-mode

So I write gooder. Me fail English? Thats unpossible.

(use-package writegood-mode :ensure t)

rust-mode

(use-package rust-mode :commands rust-mode :mode ("\\*.rs\\'" . rust-mode)
  :defer t)

TODO python-mode broken

Compress down python configuration a bit.

(use-package python
  :after company-mode
  :commands python-mode
  :mode ("\\.py\\'" . python-mode)
  :config
  (add-hook 'python-mode-hook'
            (lambda ()
              (push '("lambda" . ?λ) prettify-symbols-alist)
              (push '("<=" . ?≤) prettify-symbols-alist)
              (push '(">=" . ?≥) prettify-symbols-alist)
              (push '("==" . ?≡) prettify-symbols-alist)
              (push '("/=" . ?≢) prettify-symbols-alist)
              (push '("&&" . ?∧) prettify-symbols-alist)
              (push '("||" . ?∨) prettify-symbols-alist)
              (push '("not" . ?¬) prettify-symbols-alist)
              (push '("None" . ?⊥) prettify-symbols-alist)
              (prettify-symbols-mode)
              )
            )
  )

(use-package company-anaconda
  :after python
  :config
  (add-to-list 'company-backends 'company-anaconda)
  (add-hook 'python-mode-hook 'anaconda-mode)

  )
(use-package pytest
  :after python
  :bind ("C-c t" . pytest-one)
  )

(use-package pymacs :after python)

haskell-mode

Need to make haskell source be all pretty.

(use-package haskell-mode
  :defer t
  :diminish haskell-mode
  :config
  (add-hook 'haskell-mode-hook 'interactive-haskell-mode)
  (add-hook 'haskell-mode-hook 'turn-on-haskell-indentation)
  (add-hook 'haskell-mode-hook'
            (lambda ()
              (push '("()" . ?∅) prettify-symbols-alist)
              (push '("\\" . ?λ) prettify-symbols-alist)
              (push '("pi" . ?π) prettify-symbols-alist)
              (push '("=>" . ?⇒) prettify-symbols-alist)
              (push '("->" . ?→) prettify-symbols-alist)
              (push '("<-" . ?←) prettify-symbols-alist)
              (push '("<=" . ?≤) prettify-symbols-alist)
              (push '(">=" . ?≥) prettify-symbols-alist)
              (push '("==" . ?≡) prettify-symbols-alist)
              (push '("/=" . ?≢) prettify-symbols-alist)
              (push '("!!" . "‼") prettify-symbols-alist)
              (push '("&&" . ?∧) prettify-symbols-alist)
              (push '("||" . ?∨) prettify-symbols-alist)
              (push '("~>" . ?⇝) prettify-symbols-alist)
              (push '("-<" . ?↢) prettify-symbols-alist)
              (push '("not" . ?¬) prettify-symbols-alist)
              (push '("forall" . ?∀) prettify-symbols-alist)
              (push '("sqrt" . ?√) prettify-symbols-alist)
              (push '("undefined" . ?⊥) prettify-symbols-alist)
              (prettify-symbols-mode)
              )
            )
  (add-to-list 'completion-ignored-extensions ".hi")
  :custom
  (haskell-program-name "ghci")
  (haskell-process-type 'cabal-repl)
  (haskell-tags-on-save t)
  )
(use-package dante
  :after haskell-mode
  :diminish dante-mode
  :config
  (add-hook 'haskell-mode-hook 'dante-mode)
  )
(use-package hindent
  :if (executable-find "hindent")
  :diminish hindent-mode
  :after haskell-mode
  :config
  (add-hook 'haskell-mode-hook 'hindent-mode)
  )
(use-package flycheck-haskell :after haskell-mode)
(use-package flycheck-hdevtools
        :after haskell-mode
        :config
        (add-hook 'haskell-mode-hook 'flycheck-mode)
        )
(use-package ghc
  :if (executable-find "ghc-mod")
  :after haskell-mode
  :config
  (autoload 'ghc-init "ghc" nil t)
  (autoload 'ghc-debug "ghc" nil t)
  (add-hook 'haskell-mode-hook (lambda () (ghc-init)))
  )

idris-mode

(use-package idris-mode
  :defer t
  :config
  (add-to-list 'completion-ignored-extensions ".ibc")
  (add-hook 'idris-mode-hook'
            (lambda ()
              (push '("()" . ?∅) prettify-symbols-alist)
              (push '("\\" . ?λ) prettify-symbols-alist)
              (push '("pi" . ?π) prettify-symbols-alist)
              (push '("=>" . ?⇒) prettify-symbols-alist)
              (push '("->" . ?→) prettify-symbols-alist)
              (push '("<-" . ?←) prettify-symbols-alist)
              (push '("<=" . ?≤) prettify-symbols-alist)
              (push '(">=" . ?≥) prettify-symbols-alist)
              (push '("==" . ?≡) prettify-symbols-alist)
              (push '("/=" . ?≢) prettify-symbols-alist)
              (push '("!!" . "‼") prettify-symbols-alist)
              (push '("&&" . ?∧) prettify-symbols-alist)
              (push '("||" . ?∨) prettify-symbols-alist)
              (push '("~>" . ?⇝) prettify-symbols-alist)
              (push '("-<" . ?↢) prettify-symbols-alist)
              (push '("not" . ?¬) prettify-symbols-alist)
              (push '("forall" . ?∀) prettify-symbols-alist)
              (push '("sqrt" . ?√) prettify-symbols-alist)
              (push '("undefined" . ?⊥) prettify-symbols-alist)
              (prettify-symbols-mode)
              )
            )
  )

undo-tree

Make undo more useful, and treelike.

(use-package undo-tree
  :ensure t
  :diminish
  :config
  (global-undo-tree-mode)
  (defadvice undo-tree-visualize (around undo-tree-split-side-by-side activate)
    "Split undo-tree side-by-side"
    (let ((split-height-threshold nil)
          (split-width-threshold 0))
      ad-do-it)
    )
  :bind
  ("C-x u" . undo-tree-visualize)
  )

color-identifiers-mode

Color variables for easy identification, its like a rainbow puked over everything opened in prog-mode-hook.

(use-package color-identifiers-mode
  :defer t
  :diminish color-identifiers-mode
  :config
  (add-hook 'prog-mode-hook 'color-identifiers-mode)
  )

idle-highlight-mode

Highlight a variable when you're selecting it, helps in reviewing code to see where it exists.

(use-package idle-highlight-mode
  :defer t
  :diminish idle-highlight-mode
  :config
  (add-hook 'prog-mode-hook 'idle-highlight-mode)
  )

nix

Instead of text might as well get a decent mode hook going here.

(use-package nixos-options :defer t)
(use-package company-nixos-options :after company :defer t)

TODO nix-mode broken

(use-package nix-mode
  :config
  (setq flycheck-command-wrapper-function
        (lambda (command) (apply 'nix-shell-command (nix-current-sandbox) command))
        flycheck-executable-find
        (lambda (cmd) (nix-executable-find (nix-current-sandbox) cmd)))
  (add-to-list 'company-backends 'company-nixos-options)
  )

docker-mode

(use-package dockerfile-mode :defer t)

TODO cscope or rtags or nuke testing validation

Switch to rtags, or maybe even nuke entirely?

(use-package xcscope
  :defer t
  :config (cscope-setup))

TODO ag validation

(use-package ag :defer t)

mode related

common defaults

Common mode defaults I think are sensible.

TODO prog-mode hooks to use-package broken

ALl this crap should be moved into use-package declarations.

(add-hook 'prog-mode-hook
          '(lambda ()
             (interactive)
             (hl-line-mode)
             (whitespace-mode)
             (visual-line-mode)
             (flyspell-prog-mode)
             (custom-set-variables
              '(indent-tabs-mode nil)
              '(tab-width 2)
              )
             )
          )

c

  (add-to-list 'auto-mode-alist '("\\.[chm]\\'" . c-mode))
(add-hook 'c-mode-common-hook
          '(lambda ()
             (global-set-key "\C-x\C-m" 'compile)
             (setq flycheck-clang-language-standard "c11")
             (setq flycheck-idle-change-delay 2)
             (setq flycheck-highlighting-mode 'symbols)
  ;; later...
  ;;             (add-hook 'before-save-hook 'clang-format-buffer nil t)
             (c-toggle-auto-state 1)
             (setq-default c-basic-offset 2
                           tab-width 2
                           indent-tabs-mode nil
                           c-electric-flag t
                           indent-level 2
                           c-default-style "bsd"
                           backward-delete-function nil)
             ))

TODO elisp broken

Why is this broken? Figure out why its tangle is no.

(add-hook 'emacs-lisp-hook
          (lambda ()
            (define-key emacs-lisp-map
              "\C-x\C-e" 'pp-eval-last-sexp)
            (define-key emacs-lisp-map
              "\r" 'reindent-then-newline-and-indent)))

python-mode

(add-hook 'python-mode-hook
          '(lambda ()
             (flycheck-select-checker 'python-flake8)
             )
          )

shell

(autoload 'sh--mode "sh-mode" "mode for shell stuff" t)

(add-to-list 'auto-mode-alist '("\\.sh$\\'" . sh-mode))
(add-to-list 'auto-mode-alist '("\\.[zk]sh$\\'" . sh-mode))
(add-to-list 'auto-mode-alist '("\\.bash$\\'" . sh-mode))
(add-to-list 'auto-mode-alist '("\\[.].*shrc$\\'" . sh-mode))
(add-to-list 'auto-mode-alist '("sourceme$\\'" . sh-mode))

(add-hook 'sh-mode-hook
          '(lambda ()
             (setq sh-basic-offset 2 sh-indentation 4
                   sh-indent-for-case-label 0 sh-indent-for-case-alt '+)))

perl

(fset 'perl-mode 'cperl-mode)

(add-hook 'cperl-mode-hook
          '(lambda ()
             (setq indent-tabs-mode t)
             (setq tab-width 8)
             (setq cperl-indent-level 4)
             (setq tab-stop-list (number-sequence 4 200 4))
             (setq cperl-tab-always-indent t)
             (setq cperl-indent-parens-as-block t)
             )
          )

TODO auto-insert-mode new file templates broken

Review if this is worth keeping around, methinks there should be something better like yasnippet out there, this is all old af hacks

Use auto-insert-mode to insert in templates for blank files.

So first up, add auto-insert to find-file-hooks so we insert straight away. Also setup the copyright bit to minimally put in name.

(add-hook 'find-file-hooks 'auto-insert)
(defvar auto-insert-copyright (user-full-name))

Create auto-insert-alist so all the mode lists are the same

(defvar auto-insert-alist '(()))

c

(setq auto-insert-alist
      (append
       '(
         ((c-mode . "c")
          nil
          "/*\n"
          "File: " (file-name-nondirectory buffer-file-name) "\n"
          "Copyright: " (substring (current-time-string) -4) " " auto-insert-copyright "\n"
          "Description: " _ "\n"
          "*/\n"
          "#include <stdio.h>\n"
          "#include <stdlib.h>\n\n"
          "int main(int argc, char **argv) {\n"
          "  return 0;\n"
          "}\n"
          )
         )
       auto-insert-alist)
      )

elisp

(setq auto-insert-alist
      (append
       '(
         ((emacs-lisp-mode . "elisp")
          nil
          ";;-*-mode: emacs-lisp; coding: utf-8;-*-\n"
          ";; File: " (file-name-nondirectory buffer-file-name) "\n"
          ";; Copyright: " (substring (current-time-string) -4) " " auto-insert-copyright "\n"
          ";; Description: " _ "\n"
          )
         )
       auto-insert-alist)
      )

python

(setq auto-insert-alist
      (append
       '(((python-mode . "python")
          nil
          "#!/usr/bin/env python\n"
          "# -*-mode: Python; coding: utf-8;-*-\n"
          "# File: " (file-name-nondirectory buffer-file-name) "\n"
          "# Copyright: " (substring (current-time-string) -4) " " auto-insert-copyright "\n"
          "# Description: " _ "\n\n"
          )
         )
       auto-insert-alist)
      )