forked from purcell/emacs.d
/
init-editing-utils.el
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/
init-editing-utils.el
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(require-package 'unfill)
(require-package 'whole-line-or-region)
(when (fboundp 'electric-pair-mode)
(electric-pair-mode))
;;----------------------------------------------------------------------------
;; Some basic preferences
;;----------------------------------------------------------------------------
(setq-default
blink-cursor-delay 0
blink-cursor-interval 0.4
bookmark-default-file "~/.emacs.d/.bookmarks.el"
buffers-menu-max-size 30
case-fold-search t
column-number-mode t
compilation-scroll-output t
ediff-split-window-function 'split-window-horizontally
ediff-window-setup-function 'ediff-setup-windows-plain
grep-highlight-matches t
grep-scroll-output t
indent-tabs-mode nil
line-spacing 0.2
make-backup-files nil
mouse-yank-at-point t
set-mark-command-repeat-pop t
show-trailing-whitespace t
tooltip-delay 1.5
truncate-lines nil
truncate-partial-width-windows nil
visible-bell t)
(global-auto-revert-mode)
(setq global-auto-revert-non-file-buffers t
auto-revert-verbose nil)
;; But don't show trailing whitespace in SQLi, inf-ruby etc.
(dolist (hook '(term-mode-hook comint-mode-hook compilation-mode-hook))
(add-hook hook
(lambda () (setq show-trailing-whitespace nil))))
(transient-mark-mode t)
(define-key global-map (kbd "RET") 'newline-and-indent)
;;----------------------------------------------------------------------------
;; Zap *up* to char is a handy pair for zap-to-char
;;----------------------------------------------------------------------------
(autoload 'zap-up-to-char "misc" "Kill up to, but not including ARGth occurrence of CHAR.")
(global-set-key (kbd "M-Z") 'zap-up-to-char)
;;----------------------------------------------------------------------------
;; Don't disable narrowing commands
;;----------------------------------------------------------------------------
(put 'narrow-to-region 'disabled nil)
(put 'narrow-to-page 'disabled nil)
(put 'narrow-to-defun 'disabled nil)
;;----------------------------------------------------------------------------
;; Show matching parens
;;----------------------------------------------------------------------------
(require-package 'mic-paren)
(paren-activate) ; activating mic-paren
;;----------------------------------------------------------------------------
;; Expand region
;;----------------------------------------------------------------------------
(require-package 'expand-region)
(global-set-key (kbd "C-=") 'er/expand-region)
;;----------------------------------------------------------------------------
;; Fix per-window memory of buffer point positions
;;----------------------------------------------------------------------------
(require-package 'pointback)
(global-pointback-mode)
(defadvice skeleton-insert (before disable-pointback activate)
"Disable pointback when using skeleton functions like `sgml-tag'."
(when pointback-mode
(message "Disabling pointback.")
(pointback-mode -1)))
;;----------------------------------------------------------------------------
;; Don't disable case-change functions
;;----------------------------------------------------------------------------
(put 'upcase-region 'disabled nil)
(put 'downcase-region 'disabled nil)
;;----------------------------------------------------------------------------
;; Rectangle selections, and overwrite text when the selection is active
;;----------------------------------------------------------------------------
(cua-selection-mode t) ; for rectangles, CUA is nice
;;----------------------------------------------------------------------------
;; Handy key bindings
;;----------------------------------------------------------------------------
;; To be able to M-x without meta
(global-set-key (kbd "C-x C-m") 'execute-extended-command)
;; Vimmy alternatives to M-^ and C-u M-^
(global-set-key (kbd "C-c j") 'join-line)
(global-set-key (kbd "C-c J") (lambda () (interactive) (join-line 1)))
(global-set-key (kbd "M-T") 'transpose-lines)
(global-set-key (kbd "C-.") 'set-mark-command)
(global-set-key (kbd "C-x C-.") 'pop-global-mark)
(require-package 'ace-jump-mode)
(global-set-key (kbd "C-;") 'ace-jump-mode)
(global-set-key (kbd "C-:") 'ace-jump-word-mode)
(require-package 'multiple-cursors)
;; multiple-cursors
(global-set-key (kbd "C-<") 'mc/mark-previous-like-this)
(global-set-key (kbd "C->") 'mc/mark-next-like-this)
(global-set-key (kbd "C-+") 'mc/mark-next-like-this)
(global-set-key (kbd "C-c C-<") 'mc/mark-all-like-this)
;; From active region to multiple cursors:
(global-set-key (kbd "C-c c r") 'set-rectangular-region-anchor)
(global-set-key (kbd "C-c c c") 'mc/edit-lines)
(global-set-key (kbd "C-c c e") 'mc/edit-ends-of-lines)
(global-set-key (kbd "C-c c a") 'mc/edit-beginnings-of-lines)
(defun duplicate-line ()
(interactive)
(save-excursion
(let ((line-text (buffer-substring-no-properties
(line-beginning-position)
(line-end-position))))
(move-end-of-line 1)
(newline)
(insert line-text))))
(global-set-key (kbd "C-c p") 'duplicate-line)
;; Train myself to use M-f and M-b instead
(global-unset-key [M-left])
(global-unset-key [M-right])
(defun kill-back-to-indentation ()
"Kill from point back to the first non-whitespace character on the line."
(interactive)
(let ((prev-pos (point)))
(back-to-indentation)
(kill-region (point) prev-pos)))
(global-set-key (kbd "C-M-<backspace>") 'kill-back-to-indentation)
;;----------------------------------------------------------------------------
;; Page break lines
;;----------------------------------------------------------------------------
(require-package 'page-break-lines)
(global-page-break-lines-mode)
(diminish 'page-break-lines-mode)
;;----------------------------------------------------------------------------
;; Fill column indicator
;;----------------------------------------------------------------------------
(when (> emacs-major-version 23)
(require-package 'fill-column-indicator)
(defun sanityinc/prog-mode-fci-settings ()
(turn-on-fci-mode)
(when show-trailing-whitespace
(set (make-local-variable 'whitespace-style) '(face trailing))
(whitespace-mode 1)))
;;(add-hook 'prog-mode-hook 'sanityinc/prog-mode-fci-settings)
(defun sanityinc/fci-enabled-p ()
(and (boundp 'fci-mode) fci-mode))
(defvar sanityinc/fci-mode-suppressed nil)
(defadvice popup-create (before suppress-fci-mode activate)
"Suspend fci-mode while popups are visible"
(let ((fci-enabled (sanityinc/fci-enabled-p)))
(when fci-enabled
(set (make-local-variable 'sanityinc/fci-mode-suppressed) fci-enabled)
(turn-off-fci-mode))))
(defadvice popup-delete (after restore-fci-mode activate)
"Restore fci-mode when all popups have closed"
(when (and sanityinc/fci-mode-suppressed
(null popup-instances))
(setq sanityinc/fci-mode-suppressed nil)
(turn-on-fci-mode)))
;; Regenerate fci-mode line images after switching themes
(defadvice enable-theme (after recompute-fci-face activate)
(dolist (buffer (buffer-list))
(with-current-buffer buffer
(when (sanityinc/fci-enabled-p)
(turn-on-fci-mode))))))
;;----------------------------------------------------------------------------
;; Shift lines up and down with M-up and M-down
;;----------------------------------------------------------------------------
(require-package 'move-text)
(move-text-default-bindings)
;;----------------------------------------------------------------------------
;; Fix backward-up-list to understand quotes, see http://bit.ly/h7mdIL
;;----------------------------------------------------------------------------
(defun backward-up-sexp (arg)
"Jump up to the start of the ARG'th enclosing sexp."
(interactive "p")
(let ((ppss (syntax-ppss)))
(cond ((elt ppss 3)
(goto-char (elt ppss 8))
(backward-up-sexp (1- arg)))
((backward-up-list arg)))))
(global-set-key [remap backward-up-list] 'backward-up-sexp) ; C-M-u, C-M-up
;;----------------------------------------------------------------------------
;; Cut/copy the current line if no region is active
;;----------------------------------------------------------------------------
(whole-line-or-region-mode t)
(diminish 'whole-line-or-region-mode)
(make-variable-buffer-local 'whole-line-or-region-mode)
(defun suspend-mode-during-cua-rect-selection (mode-name)
"Add an advice to suspend `MODE-NAME' while selecting a CUA rectangle."
(let ((flagvar (intern (format "%s-was-active-before-cua-rectangle" mode-name)))
(advice-name (intern (format "suspend-%s" mode-name))))
(eval-after-load 'cua-rect
`(progn
(defvar ,flagvar nil)
(make-variable-buffer-local ',flagvar)
(defadvice cua--activate-rectangle (after ,advice-name activate)
(setq ,flagvar (and (boundp ',mode-name) ,mode-name))
(when ,flagvar
(,mode-name 0)))
(defadvice cua--deactivate-rectangle (after ,advice-name activate)
(when ,flagvar
(,mode-name 1)))))))
(suspend-mode-during-cua-rect-selection 'whole-line-or-region-mode)
;;----------------------------------------------------------------------------
;; Random line sorting
;;----------------------------------------------------------------------------
(defun sort-lines-random (beg end)
"Sort lines in region randomly."
(interactive "r")
(save-excursion
(save-restriction
(narrow-to-region beg end)
(goto-char (point-min))
(let ;; To make `end-of-line' and etc. to ignore fields.
((inhibit-field-text-motion t))
(sort-subr nil 'forward-line 'end-of-line nil nil
(lambda (s1 s2) (eq (random 2) 0)))))))
(provide 'init-editing-utils)