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.emacs
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.emacs
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;; Don't see startup message everytime
(setq inhibit-startup-message t)
;; Always highlight paren couples
(show-paren-mode 1)
;; Keep refreshing buffers
(global-auto-revert-mode t)
;; Hide menu bar (at the top)
(menu-bar-mode 0)
;; Install packages from "package"
;; NOTE: Not all packages in this file are installed this way
;; Some are installed manually (see later sections of the file)
(require 'package)
;; List of packages
(setq package-list '(company flycheck haskell-mode multiple-cursors expand-region markdown-mode))
;; Package location(s)
(add-to-list 'package-archives
'("MELPA Stable" . "https://stable.melpa.org/packages/") t)
;; Activate all the packages (in particular autoloads)
(package-initialize)
;; Fetch the list of packages available
(unless package-archive-contents
(package-refresh-contents))
;; Install the packages if not already installed
(dolist (package package-list)
(unless (package-installed-p package)
(package-install package)))
;; org/babel configuration (inspiration from https://github.com/hrs/dotfiles/blob/master/emacs.d/configuration.org)
;; display settings
(setq org-ellipsis " ...")
(setq org-src-fontify-natively t)
(setq org-src-tab-acts-natively t)
(setq org-src-window-setup 'current-window)
;; export settings (general)
(setq org-export-with-smart-quotes t)
(setq org-latex-listings 'minted)
;; export settings (pdf)
(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"))
;; enable active languages in babel
(org-babel-do-load-languages
'org-babel-load-languages
'((emacs-lisp . t)
(haskell . t)
(python . t)
(C . t)
))
;; setup c++ compiler for org-babel
(setq org-babel-C++-compiler
(concat "clang++ -Werror -std=c++14 -lpthread "
"-I"
(expand-file-name ".")))
;; don't want to type "yes" everytime I want to execute some code
(setq org-confirm-babel-evaluate nil)
;; helm, async setup
;; https://github.com/emacs-helm/helm
(add-to-list 'load-path "~/code/github-repos/emacs-async")
(add-to-list 'load-path "~/code/github-repos/helm")
(require 'helm-config)
;; Utility function - asks for root directory for search + calls helm-find
(defun helm-find-with-prefix-arg ()
(interactive)
(setq current-prefix-arg '(4)) ; C-u
(call-interactively 'helm-find))
;; helm-ag setup
;; https://github.com/syohex/emacs-helm-ag
(add-to-list 'load-path "~/code/github-repos/emacs-helm-ag")
(load-file "~/code/github-repos/emacs-helm-ag/helm-ag.el")
;; make tab completion work with helm again
(define-key helm-map (kbd "TAB") #'helm-execute-persistent-action)
(define-key helm-map (kbd "<tab>") #'helm-execute-persistent-action)
;; Smooth scrolling
;; https://github.com/aspiers/smooth-scrolling
(load-file "~/code/github-repos/smooth-scrolling/smooth-scrolling.el")
(require 'smooth-scrolling)
(smooth-scrolling-mode 1)
;; rtags setup
;; (add-to-list 'load-path "~/code/github-repos/rtags/build/src")
;; (load-file "~/code/github-repos/rtags/build/src/rtags.el")
;; (require 'rtags)
;; (require 'company)
;; (require 'flycheck-rtags)
;; (setq rtags-autostart-diagnostics t)
;; (setq rtags-completions-enabled t)
;; (rtags-diagnostics)
;; (push 'company-rtags company-backends)
;; (global-company-mode)
;; ;; Start rdm (rtags server) automatically in C/C++ modes
;; (add-hook 'c-mode-common-hook 'rtags-start-process-unless-running)
;; (add-hook 'c++-mode-common-hook 'rtags-start-process-unless-running)
;; multiple-cursors setup
;; https://github.com/magnars/multiple-cursors.el
(require 'multiple-cursors)
;; expand-region setup
;; https://github.com/magnars/expand-region.el
(require 'expand-region)
;; clang-format setup
;; (load "/usr/share/emacs/site-lisp/clang-format-3.8/clang-format.el")
;; parens tricks
;; not using paredits for now
;; can use C-M-b/f to go back and forward for matching parens
;; Keyboard macros (kbd macros)
;; https://www.emacswiki.org/emacs/KeyboardMacros
;; easily insert haskell code block in org
(fset 'insert-org-code-block-haskell
"\C-e<s\C-ihaskell :exports both\C-n")
(fset 'insert-org-code-block-cpp
"\C-e<s\C-iC++ :exports both\C-n")
(fset 'insert-org-code-block-python
"\C-e<s\C-ipython :results output :exports both\C-n")
;; Key Bindings
;;; multiple-cursors
;;;; set rectangular region anchor
(global-set-key (kbd "C-c m r") 'set-rectangular-region-anchor)
;;; mark many occurences inside a region function
(global-set-key (kbd "C-c m e") 'mc/edit-lines)
(global-set-key (kbd "C-c m a") 'mc/mark-all-like-this)
(global-set-key (kbd "C-c m N") 'mc/insert-numbers)
(global-set-key (kbd "C-c m L") 'mc/insert-letters)
;;;; mark one more occurence (doesn't require an active region)
(global-set-key (kbd "C-c m n") 'mc/mark-next-like-this)
(global-set-key (kbd "C-c m p") 'mc/mark-previous-like-this)
;;; expand-region
(global-set-key (kbd "M--") 'er/expand-region)
(global-set-key (kbd "M-=") 'er/contract-region)
;;; helm
(global-set-key (kbd "M-x") 'helm-M-x)
(global-set-key (kbd "C-x f") 'helm-find-with-prefix-arg)
(global-set-key (kbd "C-x C-f") 'helm-find-files)
;;;; Use TAB instead of C-j to navigate directories
;;;; The reason helm folks stopped using TAB is because in helm, there is no
;;;; TAB completion; it's just a key to execute actions. More details here:
;;;; https://github.com/emacs-helm/helm/wiki#helm-interaction-model
;;;; Note: This doesn't work during initialization of emacs with this error:
;;;; Symbol's value as variable is void: helm-find-files-map
;;;; Using C-j for now instead of TAB
;;(define-key helm-find-files-map "\t" 'helm-execute-persistent-action)
(global-set-key (kbd "M-s") 'helm-occur)
(global-set-key (kbd "C-c m i") 'helm-do-ag)
(global-set-key (kbd "C-x b") 'helm-mini)
(global-set-key (kbd "C-c TAB") 'helm-copy-to-buffer)
;;; org-mode
(global-set-key (kbd "C-c h") 'insert-org-code-block-haskell)
(global-set-key (kbd "C-c p") 'insert-org-code-block-cpp)
(global-set-key (kbd "C-c t") 'insert-org-code-block-python)
;; ;;; rtags + company-complete
;; (define-key c-mode-base-map (kbd "C-u") (function company-complete))
;; (define-key c-mode-base-map (kbd "C-i") (function rtags-find-symbol-at-point))
;; clang-format
(global-set-key (kbd "C-c c r") 'clang-format-region)
(global-set-key (kbd "C-c c b") 'clang-format-buffer)
;;; other (emacs)
(global-set-key (kbd "C-M-l") 'linum-mode)
;; Customize emacs mode line
;; using setq-default; applies to /all/ modes
;; total number of lines
;; source: http://stackoverflow.com/questions/8190277/how-do-i-display-the-total-number-of-lines-in-the-emacs-modeline
(defvar my-mode-line-buffer-line-count nil)
(make-variable-buffer-local 'my-mode-line-buffer-line-count)
(defun my-mode-line-count-lines ()
(setq my-mode-line-buffer-line-count (int-to-string (count-lines (point-min) (point-max)))))
(add-hook 'find-file-hook 'my-mode-line-count-lines)
(add-hook 'after-save-hook 'my-mode-line-count-lines)
(add-hook 'after-revert-hook 'my-mode-line-count-lines)
(add-hook 'dired-after-readin-hook 'my-mode-line-count-lines)
(setq-default mode-line-format
(list
;; buffer name
'(:eval (propertize "%b " 'face '(:foreground "black")
'help-echo (buffer-file-name)))
;; current line number / total number of lines
"("
'(:eval (when line-number-mode
(let ((str "%l"))
(when (and (not (buffer-modified-p)) my-mode-line-buffer-line-count)
(setq str (concat str "/" my-mode-line-buffer-line-count)))
str)))
") "
"["
;; was this buffer modified since the last save?
'(:eval (when (buffer-modified-p)
(concat "" (propertize "*"
'face '(:foreground "black")
'help-echo "Buffer has been modified"))))
;; is this buffer read-only?
'(:eval (when buffer-read-only
(concat "," (propertize "ReadOnly"
'face '(:foreground "black")
'help-echo "Buffer is read-only"))))
"] "
;; file path
'(:eval (propertize "%f " 'face '(:foreground "black")
'help-echo (buffer-file-name)))
;; size of file
"["
(propertize "%I" 'face '(:foreground "black")) ;; size
"] "
;; the current major mode for the buffer.
"["
'(:eval (propertize "%m" 'face '(:foreground "black")
'help-echo buffer-file-coding-system))
"] "
"--"
;; Show minor modes list
minor-mode-alist
"%-" ;; fill with '-'
))