(provide 'setup-editing)
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;; GROUP: Editing -> Editing Basics
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(setq global-mark-ring-max 5000 ; increase mark ring to contains 5000 entries
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mark-ring-max 5000 ; increase kill ring to contains 5000 entries
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mode-require-final-newline t ; add a newline to end of file
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)
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(setq c-default-style "linux")
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(set-terminal-coding-system 'utf-8)
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(set-keyboard-coding-system 'utf-8)
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(set-language-environment "UTF-8")
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(prefer-coding-system 'utf-8)
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(setq-default indent-tabs-mode t)
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(delete-selection-mode)
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(global-set-key (kbd "RET") 'newline-and-indent)
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;; GROUP: Editing -> Killing
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(setq
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kill-ring-max 5000 ; increase kill-ring capacity
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kill-whole-line t ; if NIL, kill whole line and move the next line up
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)
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;; display whitespace characters
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(global-set-key (kbd "C-c w") 'whitespace-mode)
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;; show important whitespace in diff-mode
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(add-hook 'diff-mode-hook (lambda ()
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(setq-local whitespace-style
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'(face
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tabs
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tab-mark
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spaces
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space-mark
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trailing
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indentation::space
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indentation::tab
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newline
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newline-mark))
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(whitespace-mode 1)))
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(defun prelude-move-beginning-of-line (arg)
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"Move point back to indentation of beginning of line.
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Move point to the first non-whitespace character on this line.
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If point is already there, move to the beginning of the line.
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Effectively toggle between the first non-whitespace character and
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the beginning of the line.
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If ARG is not nil or 1, move forward ARG - 1 lines first. If
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point reaches the beginning or end of the buffer, stop there."
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(interactive "^p")
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(setq arg (or arg 1))
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;; Move lines first
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(when (/= arg 1)
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(let ((line-move-visual nil))
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(forward-line (1- arg))))
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(let ((orig-point (point)))
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(back-to-indentation)
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(when (= orig-point (point))
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(move-beginning-of-line 1))))
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(global-set-key (kbd "C-a") 'prelude-move-beginning-of-line)
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(defadvice kill-ring-save (before slick-copy activate compile)
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"When called interactively with no active region, copy a single
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line instead."
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(interactive
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(if mark-active (list (region-beginning) (region-end))
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(message "Copied line")
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(list (line-beginning-position)
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(line-beginning-position 2)))))
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(defadvice kill-region (before slick-cut activate compile)
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"When called interactively with no active region, kill a single
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line instead."
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(interactive
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(if mark-active (list (region-beginning) (region-end))
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(list (line-beginning-position)
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(line-beginning-position 2)))))
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;; kill a line, including whitespace characters until next non-whiepsace character
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;; of next line
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(defadvice kill-line (before check-position activate)
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(if (member major-mode
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'(emacs-lisp-mode scheme-mode lisp-mode
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c-mode c++-mode objc-mode
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latex-mode plain-tex-mode))
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(if (and (eolp) (not (bolp)))
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(progn (forward-char 1)
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(just-one-space 0)
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(backward-char 1)))))
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;; taken from prelude-editor.el
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;; automatically indenting yanked text if in programming-modes
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(defvar yank-indent-modes
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'(LaTeX-mode TeX-mode)
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"Modes in which to indent regions that are yanked (or yank-popped).
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Only modes that don't derive from `prog-mode' should be listed here.")
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(defvar yank-indent-blacklisted-modes
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'(python-mode slim-mode haml-mode)
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"Modes for which auto-indenting is suppressed.")
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(defvar yank-advised-indent-threshold 1000
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"Threshold (# chars) over which indentation does not automatically occur.")
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(defun yank-advised-indent-function (beg end)
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"Do indentation, as long as the region isn't too large."
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(if (<= (- end beg) yank-advised-indent-threshold)
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(indent-region beg end nil)))
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(defadvice yank (after yank-indent activate)
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"If current mode is one of 'yank-indent-modes,
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indent yanked text (with prefix arg don't indent)."
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(if (and (not (ad-get-arg 0))
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(not (member major-mode yank-indent-blacklisted-modes))
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(or (derived-mode-p 'prog-mode)
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(member major-mode yank-indent-modes)))
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(let ((transient-mark-mode nil))
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(yank-advised-indent-function (region-beginning) (region-end)))))
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(defadvice yank-pop (after yank-pop-indent activate)
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"If current mode is one of `yank-indent-modes',
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indent yanked text (with prefix arg don't indent)."
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(when (and (not (ad-get-arg 0))
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(not (member major-mode yank-indent-blacklisted-modes))
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(or (derived-mode-p 'prog-mode)
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(member major-mode yank-indent-modes)))
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(let ((transient-mark-mode nil))
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(yank-advised-indent-function (region-beginning) (region-end)))))
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;; prelude-core.el
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(defun prelude-duplicate-current-line-or-region (arg)
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"Duplicates the current line or region ARG times.
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If there's no region, the current line will be duplicated. However, if
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there's a region, all lines that region covers will be duplicated."
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(interactive "p")
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(pcase-let* ((origin (point))
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(`(,beg . ,end) (prelude-get-positions-of-line-or-region))
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(region (buffer-substring-no-properties beg end)))
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(-dotimes arg
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(lambda (n)
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(goto-char end)
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(newline)
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(insert region)
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(setq end (point))))
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(goto-char (+ origin (* (length region) arg) arg))))
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;; prelude-core.el
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(defun indent-buffer ()
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"Indent the currently visited buffer."
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(interactive)
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(indent-region (point-min) (point-max)))
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;; prelude-editing.el
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(defcustom prelude-indent-sensitive-modes
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'(coffee-mode python-mode slim-mode haml-mode yaml-mode)
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"Modes for which auto-indenting is suppressed."
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:type 'list)
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(defun indent-region-or-buffer ()
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"Indent a region if selected, otherwise the whole buffer."
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(interactive)
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(unless (member major-mode prelude-indent-sensitive-modes)
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(save-excursion
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(if (region-active-p)
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(progn
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(indent-region (region-beginning) (region-end))
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(message "Indented selected region."))
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(progn
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(indent-buffer)
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(message "Indented buffer.")))
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(whitespace-cleanup))))
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(global-set-key (kbd "C-c i") 'indent-region-or-buffer)
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;; add duplicate line function from Prelude
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;; taken from prelude-core.el
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(defun prelude-get-positions-of-line-or-region ()
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"Return positions (beg . end) of the current line
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or region."
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(let (beg end)
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(if (and mark-active (> (point) (mark)))
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(exchange-point-and-mark))
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(setq beg (line-beginning-position))
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(if mark-active
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(exchange-point-and-mark))
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(setq end (line-end-position))
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(cons beg end)))
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(defun kill-default-buffer ()
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"Kill the currently active buffer -- set to C-x k so that users are not asked which buffer they want to kill."
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(interactive)
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(let (kill-buffer-query-functions) (kill-buffer)))
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(global-set-key (kbd "C-x k") 'kill-default-buffer)
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;; smart openline
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(defun prelude-smart-open-line (arg)
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"Insert an empty line after the current line.
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Position the cursor at its beginning, according to the current mode.
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With a prefix ARG open line above the current line."
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(interactive "P")
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(if arg
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(prelude-smart-open-line-above)
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(progn
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(move-end-of-line nil)
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(newline-and-indent))))
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(defun prelude-smart-open-line-above ()
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"Insert an empty line above the current line.
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Position the cursor at it's beginning, according to the current mode."
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(interactive)
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(move-beginning-of-line nil)
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(newline-and-indent)
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(forward-line -1)
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(indent-according-to-mode))
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(global-set-key (kbd "C-o") 'prelude-smart-open-line)
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(global-set-key (kbd "M-o") 'open-line)
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