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;;; tweaked from karthink's .emacs.d
(use-package avy
:ensure t
:commands (avy-goto-word-1 avy-goto-char-2 avy-goto-char-timer)
:config
(setq avy-timeout-seconds 0.4)
(setq avy-keys '(?a ?r ?s ?t ?g ?m ?n ?e ?i ?o ?'
?q ?w ?f ?p ?b ?j ?l ?u ?y ?\; ?-
?z ?x ?c ?d ?v ?k ?h ?, ?. ?/))
(setq avy-single-candidate-jump nil)
(setq avy-dispatch-alist '((?m . avy-action-mark)
(?$ . avy-action-ispell)
(?z . avy-action-zap-to-char)
(? . avy-action-embark)
(?= . avy-action-define)
(23 . avy-action-zap-to-char)
(?c . avy-action-mark-to-char)
(?h . avy-action-helpful)
(?x . avy-action-exchange)
(11 . avy-action-kill-line)
(25 . avy-action-yank-line)
(?w . avy-action-easy-kill)
(?k . avy-action-kill-stay)
(?y . avy-action-yank)
(?t . avy-action-teleport)
(?W . avy-action-copy-whole-line)
(?K . avy-action-kill-whole-line)
(?Y . avy-action-yank-whole-line)
(?T . avy-action-teleport-whole-line)))
;; Improved to include transposition by hylophile
(defun avy-action-easy-kill (pt)
(unless (require 'easy-kill nil t)
(user-error "Easy Kill not found, please install."))
(cl-letf* ((bounds (cond
((use-region-p)
(prog1 (cons (region-beginning) (region-end))
(deactivate-mark)))
((bounds-of-thing-at-point 'sexp))
(t (cons (point) (point)))))
(transpose-map
(define-keymap
"M-t" (lambda () (interactive "*")
(pcase-let ((`(,beg . ,end) (easy-kill--bounds)))
(transpose-regions (car bounds) (cdr bounds) beg end
'leave-markers)))))
((symbol-function 'easy-kill-activate-keymap)
(lambda ()
(let ((map (easy-kill-map)))
(set-transient-map
(make-composed-keymap transpose-map map)
(lambda ()
;; Prevent any error from activating the keymap forever.
(condition-case err
(or (and (not (easy-kill-exit-p this-command))
(or (eq this-command
(lookup-key map (this-single-command-keys)))
(let ((cmd (key-binding
(this-single-command-keys) nil t)))
(command-remapping cmd nil (list map)))))
(ignore
(easy-kill-destroy-candidate)
(unless (or (easy-kill-get mark) (easy-kill-exit-p this-command))
(easy-kill-save-candidate))))
(error (message "%s:%s" this-command (error-message-string err))
nil)))
(lambda ()
(let ((dat (ring-ref avy-ring 0)))
(select-frame-set-input-focus
(window-frame (cdr dat)))
(select-window (cdr dat))
(goto-char (car dat)))))))))
(goto-char pt)
(easy-kill)))
(defun avy-action-exchange (pt)
"Exchange sexp at PT with the one at point."
(set-mark pt)
(transpose-sexps 0))
(defun avy-action-helpful (pt)
(save-excursion
(goto-char pt)
(call-interactively #'display-local-help))
(select-window
(cdr (ring-ref avy-ring 0)))
t)
(defun avy-action-define (pt)
(cl-letf (((symbol-function 'keyboard-quit)
#'abort-recursive-edit))
(save-excursion
(goto-char pt)
(dictionary-search-dwim))
(select-window
(cdr (ring-ref avy-ring 0))))
t)
(defun avy-action-embark (pt)
(unwind-protect
(save-excursion
(goto-char pt)
(embark-act))
(select-window
(cdr (ring-ref avy-ring 0))))
t)
(defun avy-action-kill-line (pt)
(unwind-protect
(save-excursion
(goto-char pt)
(kill-line))
(avy-resume))
(select-window
(cdr (ring-ref avy-ring 0)))
t)
(defun avy-action-copy-whole-line (pt)
(save-excursion
(goto-char pt)
(cl-destructuring-bind (start . end)
(bounds-of-thing-at-point 'line)
(copy-region-as-kill start end)))
(select-window
(cdr
(ring-ref avy-ring 0)))
t)
(defun avy-action-kill-whole-line (pt)
(unwind-protect
(save-excursion
(goto-char pt)
(kill-whole-line)
(avy-resume)))
(select-window
(cdr
(ring-ref avy-ring 0)))
t)
(defun avy-action-yank-whole-line (pt)
(avy-action-copy-whole-line pt)
(save-excursion (yank))
t)
(defun avy-action-teleport-whole-line (pt)
(avy-action-kill-whole-line pt)
(save-excursion (yank)) t)
(defun avy-action-mark-to-char (pt)
(activate-mark)
(goto-char pt))
:bind (("C-M-'" . avy-resume)
("C-'" . avy-goto-char-this-window)
("M-j" . avy-goto-char-timer)
("M-s y" . avy-copy-line)
("M-s M-y" . avy-copy-region)
("M-s M-k" . avy-kill-whole-line)
("M-s j" . avy-goto-char-2)
("M-s M-p" . avy-goto-line-above)
("M-s M-n" . avy-goto-line-below)
("M-s M-l" . avy-goto-end-of-line)
("M-s C-w" . avy-kill-region)
("M-s M-w" . avy-kill-ring-save-region)
("M-s t" . avy-move-line)
("M-s M-t" . avy-move-region)
:map isearch-mode-map
("C-'" . avy-isearch)
("M-j" . avy-isearch)))
(provide 'avy-config)
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