Emacs configuration

Usage

Clone this repo(Warning: Backup existing ~/.emacs.d/ and ~/.emacs)

git clone http://github.com/psachin/.emacs.d.git ~/.emacs.d

Update submodules. This will enable hidepw (Optional)

cd ~/.emacs.d
git submodule init
git submodule update

Start Emacs

Contribute

Feel free to send Pull Requests
Create new issues

Gnus

Optionally edit gnus.el and copy the file as ~/.gnus.el

Minimal config

Change user name and Email

 ;; Load my details
 (setq user-full-name "Sachin"
	   user-mail-address "psachin@redhat.com")

Do not mess up init.el

;; Me: Emacs..
;; Emacs: Yes Master?
;; Me: Put your customization inside custom.el. I don't want init.el to be messed up by you.
;; Emacs: As you wish Master.
(setq custom-file (expand-file-name "custom.el" user-emacs-directory))
(when (file-exists-p custom-file)
  (load custom-file))

Turn of all decorations

;; Turn off windows decoration
(if window-system
    (progn
      (tool-bar-mode 0)
      (menu-bar-mode 0)
      (scroll-all-mode 0)
      (scroll-bar-mode 0)
      (tooltip-mode 0))
  (menu-bar-mode 0))

Turn on the theme

;; Load in-built dark theme
(if window-system
    (load-theme 'tango-dark)
  (load-theme 'wombat))

I want you to greet me, Emacs!

;; Greeting from Emacs
(setq-default inhibit-startup-screen t
              initial-scratch-message ";; Welcome Master

"
              inhibit-splash-screen t)

General configuration

Frame title

;; Frame title
(setq frame-title-format "Emacser")

Set visible bell

;; Set visible bell
(setq visible-bell t)

Show matching parenthesis

;; Show matching parenthesis
(show-paren-mode t)
(setq-default show-paren-style 'parenthesis) ; highlight just brackets
;; (setq show-paren-style 'expression) ; highlight bracket expression

Elisp function docs

;; Show elisp function docs in result bar
(add-hook 'emacs-lisp-mode-hook 'turn-on-eldoc-mode)
(add-hook 'lisp-interaction-mode-hook 'turn-on-eldoc-mode)
(add-hook 'ielm-mode-hook 'turn-on-eldoc-mode)

modeline

;;; Minor mode tweaks
;; Enable column-number mode
(column-number-mode t)

;; Battery
(ignore-errors (display-battery-mode t))
(setq battery-mode-line-format "[%p/%L]")

;; Date/time
(display-time-mode t)
(setq display-time-24hr-format t)
(setq display-time-format "[%d-%m(%b)-%Y-%H:%M]")

;; File size
(size-indication-mode t)

;; Show funtion name in a mode line
(which-function-mode t)

Editing

;;; Editing
;; Delete selected text while typing
(delete-selection-mode t)

;; Turn on word wrap
(add-hook 'text-mode-hook '(lambda ()
                             (auto-fill-mode t)))

;; Enable subword for all programing modes
(add-hook 'prog-mode-hook 'subword-mode)

;; Enable pretty syntax highlighting everywhere
(global-font-lock-mode t)

;; Wrap lines automatically
(auto-fill-mode t)

;; Indicate empty line
(setq-default indicate-empty-lines t)
(setq-default show-trailing-whitespace t)

;; Expand some words and auto-correct
(setq save-abbrevs 'silently)
(setq-default abbrev-mode t)

Dired

;;; Dired
;; Hide DOT files with M-o
(require 'dired-x)
(setq dired-omit-files "^\\...+$")

(add-hook 'dired-mode-hook
          (lambda ()
            ;; Set dired-x buffer-local variables here.  For example:
            (dired-omit-mode 1)
            ))

;; Auto complete with ignore case
(setq-default read-buffer-completion-ignore-case t)
(setq-default read-file-name-completion-ignore-case t)

;; Save all backup files in user space
(setq backup-directory-alist '((".*" . "~/.emacs.d/emacs-saves")))

File

;;; File
;; File encoding
(prefer-coding-system 'utf-8)
(setq-default buffer-file-coding-system 'utf-8-auto-unix)

;; limit to 80 chars
;; TODO: to apply only code other than java.core
(require 'whitespace)
(setq whitespace-line-column 80) ;; limit line length
(setq whitespace-style '(face lines-tail))
(add-hook 'prog-mode-hook 'whitespace-mode)
(global-whitespace-mode +1)

;; Full path of buffer in mode-line
(setq uniquify-buffer-name-style 'forward)

Misc

;;; Misc
;; Save history
(savehist-mode 1)

;; Lazy prompting. Change "yes or no" to "y or n"
;; http://dl.dropboxusercontent.com/u/3968124/sacha-emacs.html
(fset 'yes-or-no-p 'y-or-n-p)

;; Make TAB key always call a indent command
(setq-default tab-always-indent t)

;; Make TAB key do indent first and then completion
(setq-default tab-always-indent 'complete)

;; Fill a line with space after a period
(setq sentence-end-double-space nil)

;; Modes for certain file extensions
;; add C++ mode for .ino files(Arduino files)
(add-to-list 'auto-mode-alist
             '("\\.ino\\.pde\\'" . c++-mode)
             '("\\.h\\'" . c++-mode))

;; Enable Allman Style of indentation for C code. OpenSource for you, Jan 2014.
(setq-default c-default-style "linux"
              c-basic-offset 4)


;; hide DOT files with M-o
(require 'dired-x)
(setq dired-omit-files "^\\...+$")

(add-hook 'dired-mode-hook
          (lambda ()
            ;; Set dired-x buffer-local variables here.  For example:
            (dired-omit-mode 1)))

Start Emacs server

;; Start Emacs server
(require 'server)
(unless (server-running-p)
  (server-start))

Org Mode

Org mode customizations

;;; Load org.el
(org-babel-load-file (concat user-emacs-directory "myorgmode.org"))

LaTeX

I want to have special section for LaTeX

;;; Load latex.el
(org-babel-load-file (concat user-emacs-directory "latex.org"))

Alias

;;; Load aliases.el
(org-babel-load-file (concat user-emacs-directory "alias.org"))

Packages

;;; Load packages.el
(org-babel-load-file (concat user-emacs-directory "packages.org"))

Keyboard config

;;; Load keyboard.el
(org-babel-load-file (concat user-emacs-directory "keyboard.org"))

Custom Functions

All my custom functions

;;; Load custom_functions.el
(org-babel-load-file (concat user-emacs-directory "custom_functions.org"))

My time

Appointment customizations

;;; Load mytime.el
(org-babel-load-file (concat user-emacs-directory "mytime.org"))

Beta

New settings/features/packages I want to test before including them to my real configuration.

;;; Load beta.el
(org-babel-load-file (concat user-emacs-directory "beta.org"))

psachin/.emacs.d

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