(setq global-mark-ring-max 5000         ; increase mark ring to contains 5000 entries
      mark-ring-max 5000                ; increase kill ring to contains 5000 entries
      mode-require-final-newline t      ; add a newline to end of file
      )

(setq kill-ring-max 5000 ; increase kill-ring capacity
      kill-whole-line t  ; if NIL, kill whole line and move the next line up
      )

;; set appearance of a tab that is represented by 4 spaces
(setq-default tab-width 4)

;; automatically indent when press RET
(global-set-key (kbd "RET") 'newline-and-indent)

;; show whitespace in diff-mode
(add-hook 'diff-mode-hook (lambda ()
                            (setq-local whitespace-style
                                        '(face
                                          tabs
                                          tab-mark
                                          spaces
                                          space-mark
                                          trailing
                                          indentation::space
                                          indentation::tab
                                          newline
                                          newline-mark))
                            (whitespace-mode 1)))

;; Package: undo-tree -- saner, imo, undo with C-/ 
(require 'undo-tree)
(global-undo-tree-mode)

;; Package: volatile-highlights --- show changes by "undo/yanks/..."
(require 'volatile-highlights)
(volatile-highlights-mode t)

;; Package: ws-butler --- trim spaces from eol
(require 'ws-butler)
(add-hook 'c-mode-common-hook 'ws-butler-mode)
(add-hook 'text-mode 'ws-butler-mode)
(add-hook 'fundamental-mode 'ws-butler-mode)
(add-hook 'prog-mode-hook 'ws-butler-mode)

;;; Package: iedit   --- Replace occurences of symbol and highlight them
(require 'iedit)

;; Package: smartparens --- smart way to handle (), {}, ...
(require 'smartparens-config)

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; keybinding management smartparens ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(define-key smartparens-mode-map (kbd "C-M-f") 'sp-forward-sexp)
(define-key smartparens-mode-map (kbd "C-M-b") 'sp-backward-sexp)

;; TODO: in manjaro this selects keyboard-layout or something
;;(define-key smartparens-mode-map (kbd "C-M-k") 'sp-kill-sexp)
(define-key smartparens-mode-map (kbd "C-M-w") 'sp-copy-sexp)

(define-key smartparens-mode-map (kbd "C-M-n") 'sp-next-sexp)
(define-key smartparens-mode-map (kbd "C-M-p") 'sp-previous-sexp)

;; TODO: this doesn't work for some reason
(define-key smartparens-mode-map (kbd "C-M-a") 'beginning-of-defun)
(define-key smartparens-mode-map (kbd "C-M-e") 'end-of-defun)

(define-key smartparens-mode-map (kbd "C-M-h") 'mark-defun)

(smartparens-global-mode t)


;; Package: comment-dwim-2  --- replacement for built-in comment-dwim, more comment features
(require 'comment-dwim-2)
(global-set-key (kbd "M-;") 'comment-dwim-2)


;; Package: yasnippet --- code template system
(require 'yasnippet)
(yas-global-mode 1)



(provide 'setup-editing)