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;;; evil-collection-ultra-scroll.el --- Evil integration for ultra-scroll -*- lexical-binding: t -*-
;; Copyright (C) 2025 Steven Allen
;; Author: Steven Allen <steven@stebalien.com>
;; Maintainer: James Nguyen <james@jojojames.com>
;; Pierre Neidhardt <mail@ambrevar.xyz>
;; URL: https://github.com/emacs-evil/evil-collection
;; Version: 0.0.1
;; Package-Requires: ((emacs "27.1"))
;; Keywords: evil, ultra-scroll, tools
;; 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:
;; Evil integration for ultra-scroll.
;;; Code:
(require 'evil-collection)
(require 'ultra-scroll nil t)
(defvar evil-collection-ultra-scroll-hide-cursor-states
'(evil-motion-state-cursor evil-normal-state-cursor)
"States in which to hide the cursor when scrolling.")
(defun evil-collection-ultra-scroll--hide-cursor ()
"A special Evil cursor type that simply hides the cursor."
(setq cursor-type nil))
(defun evil-collection-ultra-scroll--set-cursor-visible (arg)
"Make the cursor invisible when called with ARG < 1, or visible otherwise."
(when (bound-and-true-p evil-local-mode)
(if (and (numberp arg) (< arg 1))
(dolist (var evil-collection-ultra-scroll-hide-cursor-states)
(make-local-variable var)
(set var #'evil-collection-ultra-scroll--hide-cursor))
(mapc #'kill-local-variable evil-collection-ultra-scroll-hide-cursor-states)
(evil-refresh-cursor))))
(defun evil-collection-ultra-scroll-setup ()
"Set up `evil' integration for `ultra-scroll'."
(add-hook 'ultra-scroll-hide-functions #'evil-collection-ultra-scroll--set-cursor-visible))
(provide 'evil-collection-ultra-scroll)
;;; evil-collection-ultra-scroll.el ends here
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