dotfiles/scripts/playerctl-simple-menu

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#!/usr/bin/env python3
# A simple graphical menu to control MPRIS-compatible players through Playerctl.
# <https://wiki.archlinux.org/index.php/MPRIS>
# <https://lazka.github.io/pgi-docs/Playerctl-2.0/>
# <https://github.com/altdesktop/playerctl/blob/master/playerctl/playerctl-cli.c>
# TODO: Update the menu on player status changes.
import math
import gi
gi.require_version("Playerctl", "2.0")
gi.require_version("Gtk", "3.0")
gi.require_version("Gdk", "3.0")
gi.require_version("Pango", "1.0")
from gi.repository import Playerctl, Gtk, Gdk, GLib, Pango # noqa: E402
# Larger priority values will make the player with this name appear higher in
# the menu. The default priority is 0.
PLAYER_NAME_PRIORITIES = {
"audacious": 2,
"mpv": 1,
"vlc": 1,
"firefox": -1,
"chrome": -2,
"chromium": -2,
}
PLAYER_ICON_NAME_FIXES = {
"chrome": "google-chrome",
}
PLAYER_PLAYBACK_STATUS_EMOJIS = {
Playerctl.PlaybackStatus.PLAYING: "\u25B6",
Playerctl.PlaybackStatus.PAUSED: "\u23F8",
Playerctl.PlaybackStatus.STOPPED: "\u23F9",
}
def humanize_duration(duration):
minutes, seconds = divmod(math.floor(duration), 60)
hours, minutes = divmod(minutes, 60)
text = "{:02}:{:02}".format(minutes, seconds)
if hours > 0:
text = "{}:{}".format(hours, text)
return text
def iter_metadata_entries_for_player(player):
metadata = player.props.metadata
title = metadata.lookup_value("xesam:title")
if title:
yield title.get_string()
album = metadata.lookup_value("xesam:album")
if album:
yield album.get_string()
if player.props.can_seek:
position_secs = player.props.position / 1e6
duration = metadata.lookup_value("mpris:length")
if duration is not None and duration.is_of_type(GLib.VariantType.new("x")):
duration_secs = duration.get_int64() / 1e6
yield "Time: {} / {}".format(
humanize_duration(position_secs), humanize_duration(duration_secs)
)
def iter_actions_for_player(player):
if not player.props.can_control:
yield ("This player can't be controlled!", None, False, None)
return
playback_status = player.props.playback_status
if playback_status == Playerctl.PlaybackStatus.PLAYING:
yield (
"_Pause",
"media-playback-pause",
player.props.can_pause,
player.pause,
)
elif playback_status == Playerctl.PlaybackStatus.PAUSED:
yield (
"Resume (_P)",
"media-playback-start",
player.props.can_play,
player.play,
)
elif playback_status == Playerctl.PlaybackStatus.STOPPED:
yield (
"_Play",
"media-playback-start",
player.props.can_play,
player.play,
)
# See <https://github.com/altdesktop/playerctl/blob/c83a12a97031f64b260ea7f1be03386c3886b2d4/playerctl/playerctl-cli.c#L231-L235>
yield (
"_Stop",
"media-playback-stop",
player.props.can_play and playback_status != Playerctl.PlaybackStatus.STOPPED,
player.stop,
)
yield (
"_Mute" if player.props.volume != 0.0 else "Nor_mal volume",
"audio-volume-muted" if player.props.volume != 0.0 else "audio-volume-high",
True,
lambda volume: player.set_volume(volume),
0.0 if player.props.volume != 0.0 else 1.0,
)
yield (
"Volume +10%",
"audio-volume-medium",
True,
lambda: player.set_volume(min(player.props.volume + 0.1, 1.0)),
)
yield (
"Volume -10%",
"audio-volume-low",
True,
lambda: player.set_volume(max(player.props.volume - 0.1, 0.0)),
)
yield (
"_Next",
"media-skip-forward",
player.props.can_go_next,
player.next,
)
yield (
"Previous (_B)",
"media-skip-backward",
player.props.can_go_previous,
player.previous,
)
shuffle = player.props.shuffle
yield (
"Don't shuffle (_R)" if shuffle else "Shuffle (_R)",
"media-playlist-shuffle",
True,
lambda: player.set_shuffle(not shuffle),
)
loop_status = player.props.loop_status
for loop_action_name, loop_action_status in [
("Don't _loop", Playerctl.LoopStatus.NONE),
("Loop _one", Playerctl.LoopStatus.TRACK),
("Loop _all", Playerctl.LoopStatus.PLAYLIST),
]:
yield (
loop_action_name,
"media-playlist-repeat",
loop_action_status != loop_status,
lambda loop_action_status: player.set_loop_status(loop_action_status),
loop_action_status,
)
yield (
"Play a_gain",
"go-first",
player.props.can_seek,
lambda: player.set_position(0),
)
root_menu = Gtk.Menu()
player_names = Playerctl.list_players()
if len(player_names) > 0:
players = []
for player_name in player_names:
player = Playerctl.Player.new_from_name(player_name)
players.append(
{
"player": player,
"player_name": player_name,
"sorting_key": (
player.props.playback_status != Playerctl.PlaybackStatus.PLAYING,
-PLAYER_NAME_PRIORITIES.get(player_name.name, 0),
player_name.instance,
),
}
)
players = sorted(
players, key=lambda player_and_meta: player_and_meta["sorting_key"]
)
for player_and_meta in players:
player_name = player_and_meta["player_name"]
player = player_and_meta["player"]
player_menu_item = Gtk.ImageMenuItem.new_with_label(
"{} [{}]".format(
player_name.instance,
PLAYER_PLAYBACK_STATUS_EMOJIS[player.props.playback_status],
)
)
player_icon_name = PLAYER_ICON_NAME_FIXES.get(
player_name.name, player_name.name
)
player_icon = Gtk.Image.new_from_icon_name(player_icon_name, Gtk.IconSize.MENU)
player_menu_item.set_image(player_icon)
actions_menu = Gtk.Menu()
track_metadata = player.props.metadata
any_metadata_was_added = False
for meta_entry_text in iter_metadata_entries_for_player(player):
meta_menu_item = Gtk.MenuItem.new_with_label(meta_entry_text)
meta_menu_item.set_sensitive(False)
meta_menu_item_label = meta_menu_item.get_child()
meta_menu_item_label.set_ellipsize(Pango.EllipsizeMode.END)
meta_menu_item_label.set_max_width_chars(20)
actions_menu.append(meta_menu_item)
any_metadata_was_added = True
if any_metadata_was_added:
actions_menu.append(Gtk.SeparatorMenuItem.new())
for (
action_name,
action_icon_name,
action_enabled,
action_fn,
*action_fn_args,
) in iter_actions_for_player(player):
action_menu_item = Gtk.ImageMenuItem.new_with_mnemonic(action_name)
if action_icon_name is not None:
action_icon = Gtk.Image.new_from_icon_name(
action_icon_name, Gtk.IconSize.MENU
)
action_menu_item.set_image(action_icon)
action_menu_item.set_sensitive(action_enabled)
if action_fn is not None:
action_menu_item.connect(
"activate",
lambda _menu_item, action_fn, action_fn_args: action_fn(
*action_fn_args
),
action_fn,
action_fn_args,
)
actions_menu.append(action_menu_item)
player_menu_item.set_submenu(actions_menu)
root_menu.append(player_menu_item)
else:
menu_item = Gtk.MenuItem.new_with_label("No players were detected!")
menu_item.set_sensitive(False)
root_menu.append(menu_item)
root_menu.connect("selection-done", Gtk.main_quit)
root_menu.connect("deactivate", Gtk.main_quit)
root_menu.connect("destroy", Gtk.main_quit)
root_menu.show_all()
root_menu.popup(None, None, None, None, 0, Gdk.CURRENT_TIME)
Gtk.main()