;; Default tab-width of 2 spaces
(setq-default tab-width 2)

;; Electric behavior
(electric-layout-mode t)

;; Always indent with spaces
(setq-default indent-tabs-mode nil)

;; Answer yes/no questions by typing y/n
(fset 'yes-or-no-p 'y-or-n-p)

;; Enable C-x C-l and C-x C-u for down/up-case conversions
(put 'downcase-region 'disabled nil)
(put 'upcase-region 'disabled nil)

;; Enable Projectile global mode.
(when (require 'projectile nil 'noerror)
  (projectile-global-mode))

;; Popwin
(when (require 'popwin nil 'noerror)
  (setq display-buffer-function 'popwin:display-buffer))

;; Recentf
(require 'recentf)
(recentf-mode 1)
(setq recentf-max-menu-items 100)
(setq recentf-exclude '("\\.git.*" "\\.hg.*" "\\.svn.*"))

;; Enable delete-selection-mode
(delete-selection-mode t)

;; Disable cua-mode's fancy keys like C-z, C-v, etc. cause we use them for
;; other things, and we already have good keybindings for cut, copy, paste and
;; undo.
(setq cua-enable-cua-keys nil
      cua-remap-control-v nil
      cua-remap-control-z nil)

;; Disable ECB's pre-scanning for empty directories, as it for some reason
;; kept trying scan files as if they were directories, causing constant error
;; messages in the mini-buffer.
(setq ecb-prescan-directories-for-emptyness nil)

;; Use textmate-mode
(when (require 'textmate nil 'noerror)
  (textmate-mode))

;; Highlight matching parenthesis
(show-paren-mode 1)

;; Make sure all backup files only live in one place
(setq backup-directory-alist '(("." . "~/.saves")))

;; Make re-builder easier to use
(require 're-builder)
(setq reb-re-syntax 'string)

;; smoother scrolling (less "jumpy" than defaults)
(setq redisplay-dont-pause t
      mouse-wheel-scroll-amount '(1 ((shift) . 10)) ;; one line at a time
      mouse-wheel-follow-mouse 't ;; scroll window under mouse
      scroll-margin 4
      scroll-step 1
      scroll-conservatively 10000)

;; Enable mouse support when running in a console
(unless window-system
  (xterm-mouse-mode 1)
  (global-set-key [mouse-4] 'scroll-down-line)
  (global-set-key [mouse-5] 'scroll-up-line))

;; Auto-complete when indenting.
(defadvice indent-for-tab-command (around ac-before-indent activate)
  "Call `auto-complete' if text was recently entered"
  (if (ac-trigger-command-p last-command)
      (auto-complete)
    ad-do-it))

;; Scroll half a screen when using scroll-up and scroll-down functions.
(defadvice scroll-up (around half-window activate)
  (setq next-screen-context-lines
        (max 1 (/ (1- (window-height (selected-window))) 2)))
  ad-do-it)

(defadvice scroll-down (around half-window activate)
  (setq next-screen-context-lines
        (max 1 (/ (1- (window-height (selected-window))) 2)))
  ad-do-it)