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;;; evil-emms.el --- Evil bindings for EMMS -*- lexical-binding: t -*-
;; Copyright (C) 2017 Pierre Neidhardt
;; Author: Pierre Neidhardt <ambrevar@gmail.com>
;; Maintainer: James Nguyen <james@jojojames.com>
;; Pierre Neidhardt <ambrevar@gmail.com>
;; URL: https://github.com/jojojames/evil-collection
;; Version: 0.0.1
;; Package-Requires: ((emacs "25.1"))
;; Keywords: evil, emms, tools
;; This file 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, or (at your
;; option) any later version.
;;
;; This file 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.
;;
;; For a full copy of the GNU General Public License
;; see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Evil bindings for EMMS.
;;; Code:
(require 'emms nil t)
(require 'evil)
(defvar emms-browser-mode-map)
(defvar emms-playlist-mode-map)
;;; TODO: Make all playback bindings consistent across modes:
;;; - stop
;;; - pause
;;; - volume
;;; - next/previous
;;; - fast-forward/backward
;;; TODO: Add bindings to emms-browser-search-mode-map.
;;; emms-browser does not run any mode hook. As such the default state is 'normal.
;;; TODO: Report upstream.
(defun evil-emms-browser ()
"Default `emms-browser' to motion state."
(evil-motion-state))
(with-no-warnings
(defun evil-emms-playlist-mode-insert-newline-above ()
"Insert a newline above point."
(interactive)
(emms-with-inhibit-read-only-t
(evil-insert-newline-above)))
(defun evil-emms-playlist-mode-insert-newline-below ()
"Insert a newline below point."
(interactive)
(emms-with-inhibit-read-only-t
(evil-insert-newline-below)))
(defun evil-emms-playlist-mode-paste-before ()
"Pastes the latest yanked playlist items before the cursor position.
The return value is the yanked text."
(interactive)
(emms-with-inhibit-read-only-t
(goto-char (point-at-bol))
(yank)
(emms-playlist-mode-correct-previous-yank)
(evil-previous-line)
(evil-beginning-of-line)))
(defun evil-emms-playlist-mode-paste-after ()
"Pastes the latest yanked playlist items behind point.
The return value is the yanked text."
(interactive)
(evil-next-line)
(evil-emms-playlist-mode-paste-before)))
(defun evil-emms-setup ()
"Set up `evil' bindings for `emms'."
(advice-add 'emms-browser :after 'evil-emms-browser)
(evil-set-initial-state 'emms-playlist-mode 'motion)
(with-eval-after-load 'emms-browser
(dolist (map (list emms-browser-mode-map emms-playlist-mode-map))
(evil-define-key* 'motion map
"+" 'emms-volume-raise
"=" 'emms-volume-raise
"-" 'emms-volume-lower
"u" 'emms-playlist-mode-undo))
;; TODO: Why do we need to define emms-browser-mode-map after load and not emms-playlist-mode-map?
(evil-define-key 'motion emms-browser-mode-map
;; playback controls
"x" 'emms-pause
"X" 'emms-stop
"r" 'emms-random
"<" 'emms-seek-backward
">" 'emms-seek-forward
(kbd "<return>") 'emms-browser-add-tracks
(kbd "C-<return>") 'emms-browser-add-tracks-and-play
;; motion
"[" 'emms-browser-prev-non-track
"]" 'emms-browser-next-non-track
"gj" 'emms-browser-prev-non-track
"gk" 'emms-browser-next-non-track
(kbd "<tab>") 'emms-browser-toggle-subitems
(kbd "SPC") 'emms-browser-toggle-subitems
;; TODO: Use S-<tab>?
"g1" 'emms-browser-collapse-all
"g2" 'emms-browser-expand-to-level-2
"g3" 'emms-browser-expand-to-level-3
"g4" 'emms-browser-expand-to-level-4
"g0" 'emms-browser-expand-all
"ga" 'emms-browse-by-artist
"gA" 'emms-browse-by-album
"gb" 'emms-browse-by-genre
"gy" 'emms-browse-by-year
"gc" 'emms-browse-by-composer
"gp" 'emms-browse-by-performer
"/" 'emms-isearch-buffer ; This shows hidden items during search.
;; filter
;; "" 'emms-browser-previous-filter ; TODO: What does this do?
;; "" 'emms-browser-next-filter
"s" (lookup-key emms-browser-mode-map (kbd "s"))
"g" (lookup-key emms-browser-mode-map (kbd "W")) ;; TODO: This overrides other "g-" prefixed keys.
"C" 'emms-browser-clear-playlist
"D" 'emms-browser-delete-files
"d" 'emms-browser-view-in-dired
"gd" 'emms-playlist-mode-goto-dired-at-point)) ; "d" does the same, keep "gd" for consistency.
(evil-define-key 'motion emms-playlist-mode-map
;; playback controls
"x" 'emms-pause
"X" 'emms-stop
"r" 'emms-random
"<" 'emms-seek-backward
">" 'emms-seek-forward
(kbd "C-j") 'emms-next
(kbd "C-k") 'emms-previous
"gj" 'emms-next
"gk" 'emms-previous
(kbd "<return>") 'emms-playlist-mode-play-smart
;; motion
"gg" 'emms-playlist-mode-first
"G" 'emms-playlist-mode-last
"]" 'emms-playlist-mode-next
"[" 'emms-playlist-mode-previous
"gj" 'emms-playlist-mode-next
"gk" 'emms-playlist-mode-previous
"D" 'emms-playlist-mode-kill-track ; emms-browser uses "D"
"C" 'emms-playlist-mode-clear
"O" 'evil-emms-playlist-mode-insert-newline-above
"o" 'evil-emms-playlist-mode-insert-newline-below
"P" 'evil-emms-playlist-mode-paste-before
"p" 'evil-emms-playlist-mode-paste-after
"u" 'emms-playlist-mode-undo
"ze" 'emms-tag-editor-edit
"R" 'emms-tag-editor-rename
"." 'emms-playlist-mode-center-current
"gd" 'emms-playlist-mode-goto-dired-at-point ; "d" does the same, keep "gd" for consistency.
"zs" 'emms-show
"a" 'emms-playlist-mode-add-contents
"zp" 'emms-playlist-set-playlist-buffer
;; filter
"S" (lookup-key emms-playlist-mode-map (kbd "S"))
"s" (lookup-key emms-playlist-mode-map (kbd "/"))
;; "" 'emms-playlist-limit-to-all ; TODO: Test.
(kbd "M-y") 'emms-playlist-mode-yank-pop)
(evil-define-key 'visual emms-playlist-mode-map
;; "d" 'emms-playlist-mode-kill
"D" 'emms-playlist-mode-kill))
(provide 'evil-emms)
;;; evil-emms.el ends here
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