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;;; ravi-init-maps.el --- extra keys -*- lexical-binding: t; -*-
;; Copyright (C) 2015 Ravi R Kiran
;; Author: <ravi@nero.lan>
;; Keywords:
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Extra keybindings
(use-package hydra
:config
(use-package pretty-hydra)
:ensure t)
(use-package hydra-posframe
:load-path (lambda () (ravi/emacs-file "site-lisp/hydra-posframe"))
:after hydra
:if window-system
:config
(hydra-posframe-mode)
(setq hydra-posframe-poshandler #'posframe-poshandler-frame-bottom-center)
:diminish hydra-posframe-mode)
(use-package operate-on-number
:bind (("M-g M-d" . hydra-operate-on-number/body))
:config
(progn
;; Monkey-patch to fix:
;; https://github.com/knu/operate-on-number.el/issues/5
;; https://github.com/knu/operate-on-number.el/issues/4
(defun oon--replace-number (parsed number)
"Replace a number specified by PARSED with NUMBER."
(let* ((base (elt parsed 0))
(beg (elt parsed 1))
(spos (elt parsed 2))
(nbeg (elt parsed 3))
(nend (elt parsed 4))
(str (buffer-substring-no-properties nbeg nend))
(abs (if (numberp number) (abs number) number))
(sign (if (or (not (numberp number)) (< 0 number)) ?+ ?-)))
(if (and (null spos)
(= sign ?-))
(error "cannot replace with a negative number!"))
(goto-char nbeg)
(delete-region nbeg nend)
(insert (oon--format-number abs base str))
(if spos
(save-excursion
(goto-char spos)
(if (or (when (looking-at "[+-]")
(delete-char 1) t)
(= sign ?-))
(insert-char sign))))))
(defhydra hydra-operate-on-number ()
"
Arithmetic operations: + - * /
Remainder: \\
Exponent: \\^
Arithmetic shift: < >
Base conversion: b o x X #
Format: %%%%
"
("+" apply-operation-to-number-at-point)
("-" apply-operation-to-number-at-point)
("*" apply-operation-to-number-at-point)
("/" apply-operation-to-number-at-point)
("\\" apply-operation-to-number-at-point)
("^" apply-operation-to-number-at-point)
("<" apply-operation-to-number-at-point)
(">" apply-operation-to-number-at-point)
("b" apply-operation-to-number-at-point :exit t)
("o" apply-operation-to-number-at-point :exit t)
("x" apply-operation-to-number-at-point :exit t)
("X" apply-operation-to-number-at-point :exit t)
("#" apply-operation-to-number-at-point :exit t)
("%" apply-operation-to-number-at-point :exit t))))
(provide 'ravi-init-maps)
;;; ravi-init-maps.el ends here
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