doomemacs/core/core.el
2015-05-15 22:45:31 -04:00

327 lines
13 KiB
EmacsLisp

(defconst is-mac (eq system-type 'darwin))
(defconst is-linux (eq system-type 'gnu/linux))
(defconst is-windows (eq system-type 'windows-nt))
(when is-linux (add-to-list 'load-path "~/.cask"))
(setq use-package-verbose DEBUG-MODE)
(cd "~") ; instead of /
;; Make sure undo/backup folders exist
(defconst my-tmp-dir-undo (expand-file-name "undo" my-tmp-dir))
(defconst my-tmp-dir-backup (expand-file-name "backup" my-tmp-dir))
(defconst my-tmp-dir-autosave (expand-file-name "autosave" my-tmp-dir))
(unless (file-directory-p my-tmp-dir)
(make-directory my-tmp-dir-undo t)
(make-directory my-tmp-dir-backup t)
(make-directory my-tmp-dir-autosave t))
;; (setq load-prefer-newer t)
(setq debug-on-quit DEBUG-MODE)
(require 'shut-up)
(setq shut-up-ignore DEBUG-MODE)
(when noninteractive (shut-up-silence-emacs)) ; http://youtu.be/Z6woIRLnbmE
(shut-up
;;;; Sane defaults ;;;;;;;;;;;;;;;;;;;;;;;
(line-number-mode 1) ; hide line no in modeline
(column-number-mode 1) ; hide col no in modeline
(auto-compression-mode t) ; Transparently open compressed files
(global-font-lock-mode t) ; Enable syntax highlighting for older emacs
(global-auto-revert-mode 1) ; revert buffers for changed files
(electric-indent-mode 1)
(setq electric-indent-chars '(? ?: ?{))
;;; window layout undo/redo
(setq winner-boring-buffers '("*Completions*" "*Compile-Log*" "*inferior-lisp*"
"*Fuzzy Completions*" "*Apropos*" "*Help*" "*cvs*"
"*Buffer List*" "*Ibuffer*" "*esh command on file*"))
(winner-mode 1)
(setq semanticdb-default-save-directory (expand-file-name "semanticdb" my-tmp-dir))
(semantic-mode 1)
;;; UTF-8 please
(setq locale-coding-system 'utf-8) ; pretty
(set-terminal-coding-system 'utf-8) ; pretty
(set-keyboard-coding-system 'utf-8) ; pretty
(set-selection-coding-system 'utf-8) ; please
(prefer-coding-system 'utf-8) ; with sugar on top
(fset 'yes-or-no-p 'y-or-n-p) ; y/n instead of yes/no
;;; Show tab characters
;; (global-whitespace-mode 1)
(setq whitespace-style '(trailing face tabs tab-mark) ; needs to be re-set in every buffer
whitespace-display-mappings
'((tab-mark ?\t [?| ?\t] [?\\ ?\t])
(newline-mark 10 [36 10]))) ; for whitespace-newline-mode
;; avoid garbage collection (default is 400k)
(setq-default gc-cons-threshold 20000000)
(setq-default confirm-kill-emacs nil)
(setq-default fill-column 80)
;; minibufferception? Yay!
(setq-default enable-recursive-minibuffers t)
;; Sane scroll settings
(setq scroll-margin 5)
(setq scroll-conservatively 9999)
(setq scroll-preserve-screen-position 1)
;; Show me those keystrokes
(setq echo-keystrokes 0.02)
;; I'll use visual mode, kthxbai
(setq shift-select-mode nil)
(setq ring-bell-function 'ignore)
(setq inhibit-startup-screen t) ; don't show EMACs start screen
(setq inhibit-splash-screen t)
(setq inhibit-startup-buffer-menu t)
(setq initial-major-mode 'text-mode) ; initial scratch buffer mode
(setq initial-scratch-message nil)
(setq initial-scratch-buffer nil) ; empty scratch buffer
(setq compilation-always-kill t)
(setq compilation-ask-about-save nil)
(setq compilation-scroll-output t)
(setq sentence-end-double-space nil) ; sentences end with periods. Period.
(setq show-paren-delay 0)
(setq ediff-diff-options "-w")
(setq ediff-split-window-function 'split-window-horizontally) ; side-by-side diffs
(setq ediff-window-setup-function 'ediff-setup-windows-plain) ; no extra frames
;; Fixes C-i's synonymity with TAB
(keyboard-translate ?\C-i ?\H-i)
;; Don't save clipboard contents into kill-ring before replacing them
(setq save-interprogram-paste-before-kill nil)
;; don't let the cursor go into minibuffer prompt
;; Tip taken from Xah Lee: http://ergoemacs.org/emacs/emacs_stop_cursor_enter_prompt.html
(setq minibuffer-prompt-properties
'(read-only t point-entered minibuffer-avoid-prompt face minibuffer-prompt))
;; remove annoying ellipsis when printing sexp in message buffer
(setq eval-expression-print-length nil
eval-expression-print-level nil)
;;;; Backup ;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Disable all backups (that's what git/dropbox are for)
(setq bookmark-save-flag t)
(setq bookmark-default-file (expand-file-name "bookmarks" my-tmp-dir))
(setq auto-save-default nil)
(setq auto-save-list-file-name (expand-file-name ".auto-save" my-tmp-dir-autosave))
(setq auto-save-file-name-transforms `((".*" ,my-tmp-dir-autosave t)))
;; In case I want to reactivate backup files
(setq make-backup-files nil)
(setq create-lockfiles nil)
(setq backup-directory-alist `((".*" . ,my-tmp-dir-backup)))
;; Remember undo history
(setq-default undo-tree-auto-save-history t)
(setq-default undo-tree-history-directory-alist `(("." . ,my-tmp-dir-undo)))
;; Save history across sessions
(require 'savehist)
(setq savehist-file (concat my-tmp-dir "savehist") ; keep the home clean
history-length 1000
savehist-additional-variables '(kill-ring
global-mark-ring
search-ring
regexp-search-ring
extended-command-history))
(savehist-mode 1)
;; Save cursor location across sessions
(require 'saveplace)
(setq-default save-place-file (concat my-tmp-dir "saveplace"))
;; activate save-place only for files that exist
(add-hook 'find-file-hook (lambda() (if (file-exists-p buffer-file-name) (setq save-place t))))
(require 'recentf)
(setq recentf-save-file (concat my-tmp-dir "recentf"))
(setq recentf-exclude '("/tmp/" "/ssh:" "\\.?ido\\.last\\'" "\\.revive\\'", "/TAGS\\'"))
(setq recentf-max-menu-items 0)
(setq recentf-max-saved-items 1000)
(setq recentf-auto-cleanup 'never)
(add-hook 'kill-emacs-hook 'recentf-cleanup)
(recentf-mode 1)
;; What we do every night, Pinkie...
(defun display-startup-echo-area-message ()
(message "What're we gonna do tonight, Brain? (Loaded in %s)" (emacs-init-time)))
;;;; Editor behavior ;;;;;;;;;;;;;;;;
;; spaces instead of tabs
(setq-default indent-tabs-mode nil) ; spaces instead of tabs
(setq-default tab-always-indent t)
(setq-default tab-width 4)
(setq require-final-newline t)
(setq delete-trailing-lines nil)
(add-hook 'makefile-mode-hook (lambda () (setq indent-tabs-mode t))) ; Use normal tabs in makefiles
;; Project defuns ;;;;;;;;;;;;;;;;;;;;;;
(require 'f)
(defvar project-root-files '(".git" ".hg" ".svn" ".project" "local.properties" "project.properties")
"A list of files that count as 'project files', which determine whether a
folder is the root of a project or not.")
(defun project-root (&optional strict-p)
"Get the path to the root of your project. Uses `project-root-files' to
determine if a directory is a project."
(catch 'found
(f-traverse-upwards
(lambda (path)
(let ((path (file-truename path))
(home (file-truename "~")))
(if (f-equal? home path)
(throw 'found (if strict-p nil default-directory))
(dolist (file project-root-files)
(when (f-exists? (expand-file-name file path))
(throw 'found path)))))) default-directory)
default-directory))
(defun project-has-files (files &optional root)
"Return non-nil if `file' exists in the project root."
(let ((root (or root (project-root)))
(files (if (listp files) files (list files)))
found-p file)
(while (and files (not found-p))
(setq file (pop files))
(setq found-p (f-exists? (project-path-to file root))))
found-p))
(defun project-path-to (file &optional root)
(let ((root (or root (project-root))))
(expand-file-name file root)))
(defun project-name ()
(file-name-nondirectory (directory-file-name (project-root))))
(defun project-p ()
(not (null (project-root t))))
;; Make sure scratch buffer is always "in a project"
(defvar project-scratch-buffer nil)
(defun project-create-scratch-buffer ()
(let* ((scratch-buffer (get-buffer-create "*scratch*"))
(project-name (project-name))
(root (project-root)))
(mapc (lambda (b)
(if (string-match-p "\\*scratch\\* (.+)" (buffer-name b))
(kill-buffer b)))
(buffer-list))
(save-window-excursion
(switch-to-buffer scratch-buffer)
(setq project-scratch-buffer scratch-buffer)
(erase-buffer)
(cd root)
(rename-buffer (format "*scratch* (%s)" project-name)))))
(add-hook 'find-file-hook 'project-create-scratch-buffer)
;; Automatic minor modes ;;;;;;;;;;;
(defvar auto-minor-mode-alist ()
"Alist of filename patterns vs correpsonding minor mode functions,
see `auto-mode-alist' All elements of this alist are checked, meaning
you can enable multiple minor modes for the same regexp.")
(defun enable-minor-mode-based-on-path ()
"check file name against auto-minor-mode-alist to enable minor modes
the checking happens for all pairs in auto-minor-mode-alist"
(when buffer-file-name
(let ((name buffer-file-name)
(remote-id (file-remote-p buffer-file-name))
(alist auto-minor-mode-alist))
;; Remove backup-suffixes from file name.
(setq name (file-name-sans-versions name))
;; Remove remote file name identification.
(when (and (stringp remote-id)
(string-match-p (regexp-quote remote-id) name))
(setq name (substring name (match-end 0))))
(while (and alist (caar alist) (cdar alist))
(if (string-match (caar alist) name)
(funcall (cdar alist) 1))
(setq alist (cdr alist))))))
(add-hook 'find-file-hook 'enable-minor-mode-based-on-path)
;;;; Utility plugins ;;;;;;;;;;;;;;;;;;
(require 'defuns)
(require 'autoloads) ; use make autoloads to generate autoloads file
(use-package smex
:commands (smex smex-major-mode-commands)
:config
(progn
(smex-initialize)
;; Hook up smex to auto-update, rather than update on every run
(defun smex-update-after-load (unused)
(when (boundp 'smex-cache) (smex-update)))
(add-hook 'after-load-functions 'smex-update-after-load)))
(use-package popwin
:config
(progn ; popwin config
(popwin-mode 1)
(setq popwin:popup-window-height 0.45)
;; (setq display-buffer-function 'popwin:display-buffer)
(push '("\\`\\*helm.*?\\*\\'" :regexp t :position bottom :height 15) popwin:special-display-config)
(push '("^\\*Flycheck.*\\*$" :regexp t :position bottom :height 0.25 :noselect t) popwin:special-display-config)
(push '(inf-enh-ruby-mode :position bottom :stick t) popwin:special-display-config)
(push '(snippet-mode :position bottom :stick t) popwin:special-display-config)
(push '("^\\*eclim.*\\*" :regexp t :position bottom :height 0.25) popwin:special-display-config)
(push '("*ansi-term*" :position bottom :height 0.45 :stick t) popwin:special-display-config)
(push '("*terminal*" :position bottom :height 0.45 :stick t) popwin:special-display-config)
(push '("*Async Shell Command*" :position bottom) popwin:special-display-config)
(push '("*Shell Command Output*" :position bottom :stick t :height 15) popwin:special-display-config)
(push '("* Regexp Explain *" :position top :height 0.35) popwin:special-display-config)
(push '("*anaconda-doc*" :position bottom :height 15 :noselect t) popwin:special-display-config)
(push '("*anaconda-nav*" :position bottom :height 15 :stick t) popwin:special-display-config)
(push '("^\\*Python.+\\*$" :regexp t :position bottom :height 20 :noselect t) popwin:special-display-config)
(push '(help-mode :height 0.5 :position bottom :stick t) popwin:special-display-config)
(push '(compilation-mode :height 0.5 :position bottom :noselect t) popwin:special-display-config)
(push '(diff-mode :position bottom :stick t) popwin:special-display-config)
(push '("*Backtrace*") popwin:special-display-config)
(push '("*Warnings*") popwin:special-display-config)
(push '("*Process List*") popwin:special-display-config)
(push '("*Compile-Log*" :height 0.3 :position bottom :noselect t) popwin:special-display-config)
(push '(" *undo-tree*" :width 0.3 :position right) popwin:special-display-config)
(push '("^\\*scratch\\*.*" :regexp t :stick t) popwin:special-display-config)
(push '(image-mode) popwin:special-display-config)
(defun popwin:toggle-popup-window ()
(interactive)
(if (popwin:popup-window-live-p)
(popwin:close-popup-window)
(popwin:popup-last-buffer)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(cond (is-mac (require 'core-osx))
(is-linux (require 'core-linux))
(is-windows (require 'core-windows)))
(require 'server)
(unless (server-running-p) (server-start)))
(provide 'core)
;;; core.el ends here