dotfiles/init.el

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;; -*- lexical-binding: t; -*-
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;; =============================================================================
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;; ___ _ __ ___ __ _ ___ ___
;; / _ \ '_ ` _ \ / _` |/ __/ __|
;; | __/ | | | | | (_| | (__\__ \
;; (_)___|_| |_| |_|\__,_|\___|___/
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;; =============================================================================
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(setq user-full-name
(replace-regexp-in-string "\n$" "" (shell-command-to-string
"git config --get user.email")))
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(setq user-mail-address
(replace-regexp-in-string "\n$" "" (shell-command-to-string
"git config --get user.name")))
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(defun emacs24_4-p ()
(or (and (>= emacs-major-version 24)
(>= emacs-minor-version 4))
(>= emacs-major-version 25)))
;; =============================================================================
;; GUI Disables
;; =============================================================================
;; Turn off mouse interface early in startup to avoid momentary display
(when (fboundp 'menu-bar-mode) (menu-bar-mode -1))
(when (fboundp 'tool-bar-mode) (tool-bar-mode -1))
(when (fboundp 'scroll-bar-mode) (scroll-bar-mode -1))
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;; =============================================================================
;; Load Path Configuration
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;; =============================================================================
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(setq custom-file "~/.emacs.d/custom.el")
(when (file-exists-p custom-file) (load custom-file))
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(add-to-list 'load-path "~/.emacs.d/lisp")
;; =============================================================================
;; ELPA/package.el/MELPA
;; =============================================================================
(require 'package)
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(add-to-list 'package-archives
'("marmalade" . "http://marmalade-repo.org/packages/") t)
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(add-to-list 'package-archives '("elpa" . "http://tromey.com/elpa/") t)
(add-to-list 'package-archives '("org" . "http://orgmode.org/elpa/") t)
(add-to-list 'package-archives '("melpa" . "http://melpa.org/packages/") t)
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(defun ensure-packages-installed (packages)
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(unless package-archive-contents
(package-refresh-contents))
(mapcar
(lambda (package)
(if (package-installed-p package)
package
(progn (message (format "Installing package %s." package))
(package-install package))))
packages))
(package-initialize)
(ensure-packages-installed '(epl use-package))
(require 'use-package)
(put 'use-package 'lisp-indent-function 1) ;; reduce indentation for use-package
;; =============================================================================
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;; Disables
;; =============================================================================
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;; Disable the creation of backup files.
(setq backup-inhibited t)
(setq make-backup-files nil)
(setq auto-save-default nil)
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;; Why is this necessary again?
(defconst emacs-tmp-dir
(format "%s/%s%s/" temporary-file-directory "emacs" (user-uid)))
(setq backup-directory-alist `((".*" . ,emacs-tmp-dir)))
(setq auto-save-file-name-transforms `((".*" ,emacs-tmp-dir t)))
(setq auto-save-list-file-prefix emacs-tmp-dir)
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(put 'set-goal-column 'disabled nil)
(auto-fill-mode -1)
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(setq indent-tabs-mode nil)
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(setq flyspell-issue-welcome-flag nil)
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;; No hsplits. EVER.
(defun split-horizontally-for-temp-buffers () (split-window-horizontally))
(add-hook 'temp-buffer-setup-hook 'split-horizontally-for-temp-buffers)
(setq split-height-threshold nil)
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(setq split-width-threshold 160)
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;; =============================================================================
;; Config Free Packages
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;; =============================================================================
(defvar packages-essential
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'(popup auto-complete ido-ubiquitous mo-git-blame multiple-cursors
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yasnippet cl-lib flx-ido))
(defvar packages-other
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'(thingatpt+ latex-preview-pane paredit inf-ruby rust-mode paradox
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exec-path-from-shell slime string-inflection yaml-mode sgml-mode
dired+ ctags ctags-update helm-gtags hackernews gitconfig-mode
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aggressive-indent imenu+ weechat evil helm-ag xclip neotree
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magit-gh-pulls diminish gist org spotify ghc))
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(defvar packages-appearance
'(monokai-theme solarized-theme zenburn-theme base16-theme molokai-theme
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tango-2-theme gotham-theme smart-mode-line sublime-themes ansi-color
rainbow-delimiters))
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(ensure-packages-installed packages-essential)
(ensure-packages-installed packages-other)
(ensure-packages-installed packages-appearance)
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(defalias 'yes-or-no-p 'y-or-n-p)
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;; =============================================================================
;; General Emacs Options
;; =============================================================================
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;; Set path from shell.
(exec-path-from-shell-initialize)
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;; This makes it so that emacs --daemon puts its files in ~/.emacs.d/server
;; (among other things)
(setq server-use-tcp t)
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;; Display line and column numbers in mode line.
(line-number-mode t)
(column-number-mode t)
(global-linum-mode t)
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(setq visible-bell nil)
;; Make buffer names unique.
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(setq uniquify-buffer-name-style 'forward)
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;; We want closures.
(setq lexical-binding t)
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;; Don't disable downcase and upcase region.
(put 'upcase-region 'disabled nil)
(put 'downcase-region 'disabled nil)
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;; Make forward word understand camel and snake case.
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(setq c-subword-mode t)
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(setq sentence-end-double-space nil)
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(add-hook 'after-init-hook '(lambda () (setq debug-on-error t)))
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(add-hook 'after-init-hook #'flycheck-mode)
;; Don't popup frames in OSX.
(setq ns-pop-up-frames nil)
;; Make mouse scrolling less jumpy.
(setq mouse-wheel-scroll-amount '(1 ((shift) . 1)))
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(require 'tramp)
(setq tramp-default-method "ssh")
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(use-package ace-jump-mode
:ensure t
:commands ace-jump-mode
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:init
(progn
(use-package ace-window
:ensure t
:bind ("C-c w" . ace-select-window)))
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:config
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(progn
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(setq ace-jump-mode-scope 'window))
:bind (("C-;" . ace-jump-mode)
;; This is needed for terminal emacs.
("C-c j" . ace-jump-mode)))
(use-package flycheck
:ensure t
:config
(progn
(setq flycheck-checkers (delq 'emacs-lisp-checkdoc flycheck-checkers))
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(global-flycheck-mode)
(diminish 'flycheck-mode)))
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(use-package haskell-mode
:ensure t
:commands haskell-mode
:config
(progn
(add-hook 'haskell-mode-hook 'turn-on-haskell-indent)))
(use-package rainbow-delimiters
:ensure t
:commands rainbow-delimiters-mode
:init
(progn
(add-hook 'prog-mode-hook (lambda () (rainbow-delimiters-mode t)))))
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(use-package magit
:ensure t
:commands magit-status
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:bind (("C-x g" . magit-status))
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:init
(progn
(if (emacs24_4-p)
(use-package magit-filenotify :ensure t)
(add-hook 'magit-status-mode-hook 'magit-filenotify-mode)))
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:config
(diminish 'magit-auto-revert-mode))
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(use-package auto-complete
:ensure t
:commands auto-complete-mode
:config
(diminish 'auto-complete-mode)
:init
(add-hook 'prog-mode-hook (lambda () (auto-complete-mode t))))
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(use-package expand-region
:ensure t
:commands er/expand-region
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:config (setq expand-region-contract-fast-key "j")
:bind (("C-c k" . er/expand-region)))
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(use-package undo-tree
:ensure t
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:bind ("C-c u" . undo-tree-visualize)
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:init
(progn
(global-undo-tree-mode)
(setq undo-tree-visualizer-timestamps t)
(setq undo-tree-visualizer-diff t)))
(use-package smooth-scrolling
:ensure t
:init (require 'smooth-scrolling))
(use-package smooth-scroll
:ensure t
:init
(progn
(smooth-scroll-mode)
(setq smooth-scroll/vscroll-step-size 8)))
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;; =============================================================================
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;; Programming Mode Hooks
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;; =============================================================================
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(add-hook 'prog-mode-hook (lambda () (auto-fill-mode -1)))
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(add-hook 'prog-mode-hook (lambda () (subword-mode t)))
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;; (add-hook 'prog-mode-hook (lambda () (highlight-lines-matching-regexp
;; ".\\{81\\}" 'hi-blue)))
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;; =============================================================================
;; Navigation: helm/projectile/ido
;; =============================================================================
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(use-package helm
:ensure t
:bind (("M-y" . helm-show-kill-ring))
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:config
(progn
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(helm-mode 1)
(diminish 'helm-mode)))
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(use-package projectile
:ensure t
:config
(progn
(setq projectile-enable-caching t)
(projectile-global-mode)
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(helm-projectile-on)
(diminish 'projectile-mode))
:bind (
("C-x f" . helm-projectile-find-file))
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:init
(progn
(use-package flx
:ensure t
:config
(progn
;; disable ido faces to see flx highlights.
(flx-ido-mode 1)
;; This makes flx-ido much faster.
(setq gc-cons-threshold 20000000)
(setq ido-use-faces nil))
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:init
(progn
(use-package flx-ido
:ensure t)))
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(use-package helm-projectile
:ensure t
:config
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(progn (helm-projectile-on)))))
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(ido-mode t)
(ido-everywhere 1)
(setq ido-enable-flex-matching t)
(use-package smex :ensure t)
;; =============================================================================
;; elisp
;; =============================================================================
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(use-package elisp-slime-nav
:ensure t
:commands elisp-slime-nav-mode
:config
(diminish 'elisp-slime-nav-mode)
:init
(add-hook 'emacs-lisp-mode-hook (lambda () (elisp-slime-nav-mode t))))
(defun imenu-elisp-sections ()
(setq imenu-prev-index-position-function nil)
(setq imenu-space-replacement nil)
(add-to-list 'imenu-generic-expression
`("Sections"
,(concat ";\\{1,4\\} =\\{10,80\\}\n;\\{1,4\\} \\{10,80\\}"
"\\(.+\\)$") 1) t))
(add-hook 'emacs-lisp-mode-hook 'imenu-elisp-sections)
(add-hook 'emacs-lisp-mode-hook 'flatten-current-imenu-index-function)
(add-hook 'emacs-lisp-mode-hook (lambda () (setq indent-tabs-mode nil)))
(define-key lisp-mode-shared-map (kbd "C-c C-c") 'eval-defun)
(define-key lisp-mode-shared-map (kbd "C-c C-f") 'find-function-at-point)
(define-key lisp-mode-shared-map (kbd "C-c C-r") 'eval-and-replace)
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;; =============================================================================
;; Python
;; =============================================================================
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(defvar use-python-tabs nil)
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(defun python-tabs ()
(setq tab-width 4 indent-tabs-mode t python-indent-offset 4))
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(defun add-virtual-envs-to-jedi-server ()
(let ((virtual-envs (get-virtual-envs)))
(when virtual-envs (set (make-local-variable 'jedi:server-args)
(make-virtualenv-args virtual-envs)))))
(defun make-virtualenv-args (virtual-envs)
(apply #'append (mapcar (lambda (env) `("-v" ,env)) virtual-envs)))
(defun get-virtual-envs ()
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(if (projectile-project-p)
(condition-case ex
(let ((project-root (projectile-project-root)))
(cl-remove-if-not 'file-exists-p
(mapcar (lambda (env-suffix)
(concat project-root env-suffix))
'(".tox/py27/" "env" ".tox/venv/"))))
('error
(message (format "Caught exception: [%s]" ex))
(setq retval (cons 'exception (list ex))))
nil)))
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(defun message-virtual-envs ()
(interactive)
(message "%s" (get-virtual-envs)))
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(use-package python
:commands python-mode
:mode ("\\.py\\'" . python-mode)
:config
(progn
;; macros
(fset 'ipdb "import ipdb; ipdb.set_trace()")
(fset 'main "if __name__ == '__main__':")
(fset 'sphinx-class ":class:`~")
:init
(progn
(use-package jedi
:commands jedi:goto-definition
:config
(progn
(setq jedi:complete-on-dot t)
(setq jedi:install-imenu t)
(setq jedi:imenu-create-index-function 'jedi:create-flat-imenu-index))
:ensure t
:bind ("C-c g" . jedi:goto-definition))
(use-package pytest
:ensure t
:bind ("C-c t" . pytest-one))
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(use-package pymacs :ensure t)
(use-package sphinx-doc :ensure t)
(add-hook 'python-mode-hook (lambda () (setq show-trailing-whitespace t)))
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(add-hook 'python-mode-hook (lambda () (if use-python-tabs (python-tabs))))
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(add-hook 'python-mode-hook (lambda () (subword-mode t)))
(add-hook 'python-mode-hook #'jedi:setup)
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(add-hook 'python-mode-hook #'add-virtual-envs-to-jedi-server))))
;; =============================================================================
;; Scala
;; =============================================================================
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;; (load "~/.emacs.d/lisp/ensime-imenu.el")
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(use-package scala-mode2
:init
(progn (add-hook 'scala-mode-hook
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(lambda ()
(require 'whitespace)
(make-local-variable 'before-save-hook)
(add-hook 'before-save-hook 'whitespace-cleanup)
(whitespace-mode))))
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:config
(progn
(use-package ensime
:config (add-hook 'scala-mode-hook 'ensime-scala-mode-hook)
:ensure t)
(setq scala-indent:align-parameters t))
:mode (("\\.scala\\'" . scala-mode)
("\\.sc\\'" . scala-mode))
:ensure t)
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;; =============================================================================
;; JavaScript
;; =============================================================================
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(use-package js2-mode
:ensure t
:mode "\\.js\\'"
:config
(progn (setq js-indent-level 2))
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:bind
(("C-c b" . web-beautify-js)
("C-c b" . web-beautify-js))
:init
(progn
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(use-package skewer-mode
:ensure t
:commands skewer-mode)
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(add-hook 'js2-mode-hook (lambda () (tern-mode t)))
(add-hook 'js2-mode-hook 'skewer-mode)
(use-package tern
:ensure t
:config
(progn (tern-ac-setup))
:init
(progn
(use-package tern-auto-complete :ensure t
:commands tern-ac-setup)))))
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(defvar packages-js '(js2-mode js3-mode web-beautify tern tern-auto-complete
slime-js skewer-mode skewer-reload-stylesheets))
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(add-hook 'css-mode-hook #'skewer-css-mode)
(add-hook 'html-mode-hook #'skewer-html-mode)
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(add-hook 'css-mode-hook
(lambda ()
(define-key css-mode-map "\M-\C-x" 'slime-js-refresh-css)
(define-key css-mode-map "\C-c\C-r" 'slime-js-embed-css)))
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(eval-after-load 'sgml-mode
'(define-key html-mode-map (kbd "C-c b") 'web-beautify-html))
(eval-after-load 'css-mode
'(define-key css-mode-map (kbd "C-c b") 'web-beautify-css))
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;; =============================================================================
;; C/C++
;; =============================================================================
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(use-package helm-gtags
:ensure t
:config (custom-set-variables
'(helm-gtags-path-style 'relative)
'(helm-gtags-ignore-case t)
'(helm-gtags-auto-update t))
:bind
(("M-t" . helm-gtags-find-tag)
("M-r" . helm-gtags-find-rtag)
("M-s" . helm-gtags-find-symbol)
("M-g M-p" . helm-gtags-parse-file)
("C-c <" . helm-gtags-previous-history)
("C-c >" . helm-gtags-next-history)
("M-," . helm-gtags-pop-stack))
:init
(progn
;;; Enable helm-gtags-mode
(add-hook 'c-mode-hook 'helm-gtags-mode)
(add-hook 'c++-mode-hook 'helm-gtags-mode)
(add-hook 'asm-mode-hook 'helm-gtags-mode)))
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;; =============================================================================
;; TeX
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;; =============================================================================
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(use-package tex-site
:ensure auctex
:config
(progn
(setq TeX-auto-save t)
(setq TeX-parse-self t)
(setq TeX-save-query nil)
(setq-default TeX-master nil)))
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;; =============================================================================
;; functions
;; =============================================================================
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(defun sudo-edit (&optional arg)
"Edit currently visited file as root.
With a prefix ARG prompt for a file to visit.
Will also prompt for a file to visit if current
buffer is not visiting a file."
(interactive "P")
(if (or arg (not buffer-file-name))
(find-file (concat "/sudo:root@localhost:"
(ido-read-file-name "Find file (as root): ")))
(find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name))))
(defun get-buffer-name ()
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(interactive)
(file-relative-name (buffer-file-name)))
(defun message-buffer-name ()
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(interactive)
(message (get-buffer-name)))
(defun frame-exists ()
(cl-find-if (lambda (frame)
(assoc 'display (frame-parameters frame)))
(frame-list)))
(defun make-frame-if-none-exists ()
(let* ((existing-frame (frame-exists)))
(if existing-frame
existing-frame
(make-frame-on-display (getenv "DISPLAY")))))
(defun make-frame-if-none-exists-and-focus ()
(make-frame-visible (select-frame (make-frame-if-none-exists))))
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(defun os-copy (&optional b e)
(interactive "r")
(shell-command-on-region b e "source ~/.zshrc; cat | smart_copy"))
(defun os-paste ()
(interactive)
(insert (shell-command-to-string "source ~/.zshrc; ospaste")))
(defun all-copy (&optional b e)
(interactive "r")
(os-copy b e)
(tmux-copy b e)
(kill-ring-save b e))
(defun open-pdf ()
(interactive)
(let ( (pdf-file (replace-regexp-in-string "\.tex$" ".pdf" buffer-file-name)))
(shell-command (concat "open " pdf-file))))
(defun tmux-copy (&optional b e)
(interactive "r")
(shell-command-on-region b e "cat | tmux loadb -"))
(defun eval-and-replace ()
(interactive)
(backward-kill-sexp)
(condition-case nil
(prin1 (eval (read (current-kill 0)))
(current-buffer))
(error (message "Invalid expression")
(insert (current-kill 0)))))
(defun flatten-imenu-index (index)
(cl-mapcan (lambda (x) (if (listp (cdr x))
(cl-mapcar (lambda (item)
`(,(concat (car x) "/" (car item)) . ,(cdr item)))
(flatten-imenu-index (cdr x)))
(list x))) index))
(defun flatten-imenu-index-function (function)
(lambda () (flatten-imenu-index (funcall function))))
(defun flatten-current-imenu-index-function ()
(setq imenu-create-index-function (flatten-imenu-index-function imenu-create-index-function)))
;; =============================================================================
;; Custom Key Bindings
;; =============================================================================
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(use-package multiple-cursors
:ensure t
:bind (("C-<" . mc/mark-previous-like-t)
("C->" . mc/mark-next-like-this)
("C->" . mc/mark-next-like-this)
("C-c <" . mc/mark-all-like-this)
("C-x r t" . mc/edit-lines)))
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;; Miscellaneous
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(global-unset-key (kbd "C-o")) ;; Avoid collision with tmux binding.
(global-set-key (kbd "C--") 'undo)
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(global-set-key (kbd "C-c +") 'message-buffer-name)
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(global-set-key (kbd "C-c C-s") 'sudo-edit)
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(global-set-key (kbd "C-c SPC") (lambda () (interactive)
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(if current-prefix-arg (helm-global-mark-ring)
(helm-mark-ring))))
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(global-set-key (kbd "C-c e") 'os-copy)
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(global-set-key (kbd "C-x C-b") 'buffer-menu)
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(global-set-key (kbd "C-x C-c") 'kill-emacs)
(global-set-key (kbd "C-x C-i") 'imenu)
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(global-set-key (kbd "C-x C-r") (lambda () (interactive) (revert-buffer t t)))
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(global-set-key (kbd "C-x O") (lambda () (interactive) (other-window -1)))
(global-set-key (kbd "C-x w") 'whitespace-mode)
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(global-set-key (kbd "M-g") 'goto-line)
(global-set-key (kbd "M-n") 'forward-paragraph)
(global-set-key (kbd "M-p") 'backward-paragraph)
(global-set-key (kbd "M-z") 'zap-to-char)
(fset 'global-set-key-to-use-package
(lambda (&optional arg) "Keyboard macro." (interactive "p")
(kmacro-exec-ring-item
(quote ([1 67108896 19 100 6 23 40 19 41 return
backspace 32 46 6 4] 0 "%d")) arg)))
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;; =============================================================================
;; Appearance
;; =============================================================================
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;; No splash screen please... jeez
(setq inhibit-startup-screen t)
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(blink-cursor-mode -1)
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;; make whitespace-mode use just basic coloring
(setq whitespace-style (quote (spaces tabs newline ;;space-mark
tab-mark newline-mark)))
(setq whitespace-display-mappings
'((space-mark 32 [183] [46])
(tab-mark 9 [9655 9] [92 9])))
(defun colorize-compilation-buffer ()
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(read-only-mode)
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(ansi-color-apply-on-region (point-min) (point-max))
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(read-only-mode))
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(add-hook 'compilation-filter-hook 'colorize-compilation-buffer)
;; =============================================================================
;; Themes
;; =============================================================================
(unless (boundp 'dark-themes)
(defvar dark-themes '(solarized-dark)))
(unless (boundp 'light-themes)
(defvar light-themes '(solarized-light)))
(unless (boundp 'terminal-themes)
(defvar terminal-themes '(solarized-light monokai)))
(defun random-choice (choices)
(nth (random (length choices)) choices))
(defun get-appropriate-theme ()
(if t ;; (display-graphic-p) why doesn't this work at frame startup?
(let ((hour
(string-to-number (format-time-string "%H"))))
(if (or (< hour 8) (> hour 17))
(random-choice dark-themes) (random-choice light-themes)))
(random-choice terminal-themes)))
(setq current-theme nil)
(defun set-theme ()
(interactive)
(let ((appropriate-theme (get-appropriate-theme)))
(if (eq appropriate-theme current-theme)
nil
(progn
(deactivate-all-themes)
(load-theme appropriate-theme t)
(setq current-theme appropriate-theme)))))
(defun deactivate-all-themes ()
(interactive)
(mapcar 'disable-theme custom-enabled-themes))
(defun disable-and-load-theme ()
(interactive)
(deactivate-all-themes)
(call-interactively 'load-theme))
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(defun set-my-font-for-frame (frame)
(condition-case exp
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(set-frame-font (random-choice fonts) nil t)
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('error (package-refresh-contents)
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(set-frame-font "monaco-11" nil t) nil)))
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(defun remove-fringe-and-hl-line-mode (&rest stuff)
(sml/setup)
(sml/apply-theme 'respectful)
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(scroll-bar-mode -1)
(tool-bar-mode -1)
(menu-bar-mode -1)
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(set-fringe-mode 0)
(setq linum-format 'dynamic)
(setq left-margin-width 0)
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(set-my-font-for-frame nil)
(setq hl-line-mode nil))
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(if (emacs24_4-p)
(advice-add 'load-theme :after #'remove-fringe-and-hl-line-mode)
(defadvice load-theme (after name activate)
(remove-fringe-and-hl-line-mode)))
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;; enable to set theme based on time of day.
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(run-at-time "00:00" 3600 'set-theme)
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;; This is needed because you can't set the font at daemon start-up.
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(add-hook 'after-make-frame-functions 'set-my-font-for-frame)
(add-hook 'after-make-frame-functions (lambda (frame) (set-theme)))