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;;; oni-ediff.el --- Ediff configuration             -*- lexical-binding: t; -*-

;; Copyright (C) 2019  Tom Willemse

;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; Version: 20190226012954

;; 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 <https://www.gnu.org/licenses/>.

;;; Commentary:

;; Ediff configuration.

;;; Code:

(require 'ediff)

(defun oni-ediff--turn-on-fullscreen ()
  "Turn on fullscreen for the current frame."
  (unless (memq (frame-parameter nil 'fullscreen)
                '(fullscreen fullboth))
    (set-frame-parameter nil 'fullscreen 'fullboth)))

(defun oni-ediff--turn-off-fullscreen ()
  "Turn off fullscreen for the current frame."
  (when (memq (frame-parameter nil 'fullscreen)
              '(fullscreen fullboth))
    (set-frame-parameter nil 'fullscreen nil)))

(setq ediff-window-setup-function 'ediff-setup-windows-plain)
(setq ediff-split-window-function 'split-window-horizontally)

(setq ediff-diff-options "-w")

(add-hook 'ediff-mode-hook #'oni-ediff--turn-on-fullscreen)
(add-hook 'ediff-cleanup-hook #'oni-ediff--turn-off-fullscreen)

;;;###autoload(with-eval-after-load 'ediff (require 'oni-ediff))

(provide 'oni-ediff)
;;; oni-ediff.el ends here