cosmic-applets/cosmic-applet-audio/src/lib.rs
Lionel DARNIS 673547dc52 Merge remote-tracking branch 'upstream/master' into yoda-dock-magnification
# Conflicts:
#	Cargo.lock
#	Cargo.toml
#	cosmic-app-list/src/app.rs
#	cosmic-applet-audio/src/lib.rs
#	cosmic-applet-input-sources/Cargo.toml
#	cosmic-applet-input-sources/src/lib.rs
#	cosmic-applet-status-area/src/components/app.rs
#	cosmic-panel-button/src/lib.rs
2026-08-19 22:04:42 +02:00

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// Copyright 2023 System76 <info@system76.com>
// SPDX-License-Identifier: GPL-3.0-only
mod localize;
mod model;
mod mouse_area;
use crate::localize::localize;
use config::{AudioAppletConfig, amplification_sink, amplification_source};
use cosmic::{
Apply, Element, Renderer, Task, Theme, app,
applet::{
column as applet_column,
cosmic_panel_config::PanelAnchor,
menu_button, menu_control_padding, padded_control, row as applet_row,
token::subscription::{TokenRequest, TokenUpdate, activation_token_subscription},
},
cctk::sctk::reexports::calloop,
cosmic_config::CosmicConfigEntry,
cosmic_theme::Spacing,
iced::{
self, Alignment, Length, Rectangle, Subscription,
futures::StreamExt,
widget::{self, column, row, slider},
window,
},
surface, theme,
widget::{
Row, button, container, divider, icon,
rectangle_tracker::{RectangleTracker, RectangleUpdate, rectangle_tracker_subscription},
space, text, toggler,
},
};
use cosmic_settings_audio_client::{self as audio_client, CosmicAudioProxy};
use futures::SinkExt;
use mpris_subscription::{MprisRequest, MprisUpdate};
use mpris2_zbus::player::PlaybackStatus;
use std::{
sync::{
Arc,
atomic::{self, AtomicU32},
},
time::Duration,
};
mod config;
mod mpris_subscription;
const GO_BACK: &str = "media-skip-backward-symbolic";
const GO_NEXT: &str = "media-skip-forward-symbolic";
const PAUSE: &str = "media-playback-pause-symbolic";
const PLAY: &str = "media-playback-start-symbolic";
pub fn run() -> cosmic::iced::Result {
localize();
cosmic::applet::run::<Audio>(())
}
#[derive(Default)]
pub struct Audio {
/// For interfacing with libcosmic.
core: cosmic::app::Core,
/// Track the applet's popup window.
popup: Option<window::Id>,
/// Varlink connection to `com.system76.CosmicSettings.Audio`.
audio_client: Option<audio_client::Client>,
/// Known audio device state
model: model::Model,
/// Whether to expand the revealer of a source or sink device.
is_open: IsOpen,
/// Used to debounce sink volume updates.
applied_sink_volume: Arc<AtomicU32>,
/// Used to deboune source volume updates.
applied_source_volume: Arc<AtomicU32>,
/// Max slider volume for the sink device, as determined by the amplification property.
max_sink_volume: u32,
/// Max slider volume for the source device, as determined by the amplification property.
max_source_volume: u32,
/// Breakpoints for the sink volume slider.
sink_breakpoints: &'static [u32],
/// Breakpoitns for the source volume slider.
source_breakpoints: &'static [u32],
/// Config file specific to this applet.
config: AudioAppletConfig,
/// mpris player status
player_status: Option<mpris_subscription::PlayerStatus>,
/// Used to request an activation token for opening cosmic-settings.
token_tx: Option<calloop::channel::Sender<TokenRequest>>,
rectangle_tracker: Option<RectangleTracker<u32>>,
rectangle: Option<iced::Rectangle>,
}
impl Audio {
fn output_icon_name(&self) -> &'static str {
let volume = self.model.active_sink.volume;
let mute = self.model.active_sink.mute;
if mute || volume == 0 {
"audio-volume-muted-symbolic"
} else if volume < 33 {
"audio-volume-low-symbolic"
} else if volume < 66 {
"audio-volume-medium-symbolic"
} else if volume <= 100 {
"audio-volume-high-symbolic"
} else {
"audio-volume-overamplified-symbolic"
}
}
fn input_icon_name(&self) -> &'static str {
let volume = self.model.active_source.volume;
let mute = self.model.active_source.mute;
if mute || volume == 0 {
"microphone-sensitivity-muted-symbolic"
} else if volume < 33 {
"microphone-sensitivity-low-symbolic"
} else if volume < 66 {
"microphone-sensitivity-medium-symbolic"
} else {
"microphone-sensitivity-high-symbolic"
}
}
/// Refresh the volume ceilings and slider breakpoints from the
/// amplification config.
///
/// Must run at startup, not only when the popup opens: the
/// scroll-to-adjust handler clamps against `max_sink_volume`, which
/// `Default` leaves at 0. Until the popup had been opened once, every
/// wheel event therefore resolved to `SetSinkVolume(0)`.
fn refresh_volume_limits(&mut self) {
(self.max_sink_volume, self.sink_breakpoints) =
if amplification_sink() { (150, &[100][..]) } else { (100, &[][..]) };
(self.max_source_volume, self.source_breakpoints) =
if amplification_source() { (150, &[100][..]) } else { (100, &[][..]) };
}
}
#[derive(Debug, PartialEq, Eq, Default)]
enum IsOpen {
#[default]
None,
Output,
Input,
}
#[derive(Clone, Debug)]
pub enum Message {
/// Connection to `com.system76.CosmicSettings`.
Client(Arc<audio_client::Client>),
CloseRequested(window::Id),
ConfigChanged(AudioAppletConfig),
Ignore,
InputToggle,
Mpris(mpris_subscription::MprisUpdate),
MprisRequest(MprisRequest),
OpenSettings,
OutputToggle,
ReattachClient(Arc<audio_client::Client>),
Rectangle(RectangleUpdate<u32>),
SetDefaultSink(usize),
SetDefaultSource(usize),
SetSinkVolume(u32),
SetSourceVolume(u32),
Subscription(audio_client::Event),
Surface(surface::Action),
ToggleMediaControlsInTopPanel(bool),
TogglePopup,
ToggleSinkMute,
ToggleSourceMute,
Token(TokenUpdate),
}
// TODO
// mouse area with on enter and a stack widget for all buttons
// most recently entered button is on top
// position is a multiple of button size
// on leave of applet, popup button is on top again
impl Audio {
fn playback_buttons(&self) -> Vec<Element<'_, Message>> {
let mut elements: Vec<Element<'_, Message>> = Vec::new();
if self.player_status.is_some() && self.config.show_media_controls_in_top_panel {
if self
.player_status
.as_ref()
.is_some_and(|s| s.can_go_previous)
{
elements.push(
self.core
.applet
.icon_button(GO_BACK)
.on_press(Message::MprisRequest(MprisRequest::Previous))
.into(),
);
}
if let Some(play) = self.is_play() {
elements.push(
self.core
.applet
.icon_button(if play { PLAY } else { PAUSE })
.on_press(if play {
Message::MprisRequest(MprisRequest::Play)
} else {
Message::MprisRequest(MprisRequest::Pause)
})
.into(),
);
}
if self.player_status.as_ref().is_some_and(|s| s.can_go_next) {
elements.push(
self.core
.applet
.icon_button(GO_NEXT)
.on_press(Message::MprisRequest(MprisRequest::Next))
.into(),
)
}
}
elements
}
fn go_previous(&self, icon_size: u16) -> Option<Element<'_, Message>> {
self.player_status.as_ref().and_then(|s| {
if s.can_go_previous {
Some(
button::icon(icon::from_name(GO_BACK).size(icon_size).symbolic(true))
.extra_small()
.class(cosmic::theme::Button::AppletIcon)
.on_press(Message::MprisRequest(MprisRequest::Previous))
.into(),
)
} else {
None
}
})
}
fn go_next(&self, icon_size: u16) -> Option<Element<'_, Message>> {
self.player_status.as_ref().and_then(|s| {
if s.can_go_next {
Some(
button::icon(icon::from_name(GO_NEXT).size(icon_size).symbolic(true))
.extra_small()
.class(cosmic::theme::Button::AppletIcon)
.on_press(Message::MprisRequest(MprisRequest::Next))
.into(),
)
} else {
None
}
})
}
fn is_play(&self) -> Option<bool> {
self.player_status.as_ref().and_then(|s| match s.status {
PlaybackStatus::Playing => {
if s.can_pause {
Some(false)
} else {
None
}
}
PlaybackStatus::Paused | PlaybackStatus::Stopped => {
if s.can_play {
Some(true)
} else {
None
}
}
})
}
}
impl cosmic::Application for Audio {
type Message = Message;
type Executor = cosmic::SingleThreadExecutor;
type Flags = ();
const APP_ID: &'static str = "com.system76.CosmicAppletAudio";
fn init(core: cosmic::app::Core, _flags: ()) -> (Self, app::Task<Message>) {
let mut app = Self {
core,
..Default::default()
};
app.refresh_volume_limits();
(app, Task::none())
}
fn core(&self) -> &cosmic::app::Core {
&self.core
}
fn core_mut(&mut self) -> &mut cosmic::app::Core {
&mut self.core
}
fn style(&self) -> Option<iced::theme::Style> {
Some(cosmic::applet::style())
}
fn update(&mut self, message: Message) -> app::Task<Message> {
match message {
Message::Rectangle(u) => match u {
RectangleUpdate::Rectangle(r) => {
self.rectangle = Some(r.1);
}
RectangleUpdate::Init(tracker) => {
self.rectangle_tracker.replace(tracker);
}
},
Message::ReattachClient(client) => {
if let Some(client) = Arc::into_inner(client) {
self.audio_client = Some(client);
}
}
Message::Ignore => {}
Message::TogglePopup => {
if let Some(p) = self.popup.take() {
return cosmic::surface::surface_task(cosmic::surface::action::destroy_popup(
p,
));
} else {
return cosmic::surface::surface_task(cosmic::surface::action::app_popup(
|_| Default::default(),
|app: &mut Self| {
let new_id = window::Id::unique();
app.popup.replace(new_id);
self.refresh_volume_limits();
let mut popup_settings = app.core.applet.get_popup_settings(
app.core.main_window_id().unwrap(),
new_id,
None,
None,
None,
);
if let Some(r) = app.rectangle {
popup_settings.positioner.anchor_rect = Rectangle {
x: r.x as i32,
y: r.y as i32,
width: r.width as i32,
height: r.height as i32,
};
}
popup_settings
},
None,
));
}
}
Message::OutputToggle => {
self.is_open = if self.is_open == IsOpen::Output {
IsOpen::None
} else {
IsOpen::Output
}
}
Message::InputToggle => {
self.is_open = if self.is_open == IsOpen::Input {
IsOpen::None
} else {
IsOpen::Input
}
}
Message::Subscription(message) => {
self.model.update(message);
}
Message::SetDefaultSink(pos) => {
if let Some(&pos) = self.model.sinks.sorted_index.get(pos)
&& let Some(&node_id) = self.model.sinks.id.get(pos as usize)
&& let Some(client) = self.audio_client.as_mut()
{
futures::executor::block_on(async {
_ = client.conn.set_default(node_id, true).await;
});
}
}
Message::SetDefaultSource(pos) => {
if let Some(&pos) = self.model.sources.sorted_index.get(pos)
&& let Some(&node_id) = self.model.sources.id.get(pos as usize)
&& let Some(client) = self.audio_client.as_mut()
{
futures::executor::block_on(async {
_ = client.conn.set_default(node_id, true).await;
});
}
}
Message::ToggleSinkMute => {
if let Some(ref mut client) = self.audio_client {
futures::executor::block_on(async {
_ = client.conn.sink_mute_toggle().await;
});
}
}
Message::ToggleSourceMute => {
if let Some(ref mut client) = self.audio_client {
futures::executor::block_on(async {
_ = client.conn.source_mute_toggle().await;
});
}
}
Message::SetSinkVolume(volume) => {
self.applied_sink_volume
.store(volume, atomic::Ordering::Relaxed);
self.model.active_sink.volume = volume;
self.model.active_sink.volume_text = volume.to_string();
if let Some(mut client) = self.audio_client.take() {
let volume = Arc::clone(&self.applied_sink_volume);
return cosmic::Task::future(async move {
tokio::time::sleep(Duration::from_millis(128)).await;
_ = client
.conn
.set_sink_volume(volume.load(atomic::Ordering::Relaxed))
.await;
Message::ReattachClient(Arc::new(client)).into()
});
}
}
Message::SetSourceVolume(volume) => {
self.applied_source_volume
.store(volume, atomic::Ordering::Relaxed);
self.model.active_source.volume = volume;
self.model.active_source.volume_text = volume.to_string();
if let Some(mut client) = self.audio_client.take() {
let volume = Arc::clone(&self.applied_source_volume);
return cosmic::Task::future(async move {
tokio::time::sleep(Duration::from_millis(128)).await;
_ = client
.conn
.set_sink_volume(volume.load(atomic::Ordering::Relaxed))
.await;
Message::ReattachClient(Arc::new(client)).into()
});
}
}
Message::ToggleMediaControlsInTopPanel(enabled) => {
self.config.show_media_controls_in_top_panel = enabled;
if let Ok(helper) =
cosmic::cosmic_config::Config::new(Self::APP_ID, AudioAppletConfig::VERSION)
&& let Err(err) = self.config.write_entry(&helper)
{
tracing::error!(?err, "Error writing config");
}
}
Message::CloseRequested(id) => {
if Some(id) == self.popup {
self.popup = None;
}
}
Message::ConfigChanged(c) => {
self.config = c;
}
Message::Mpris(mpris_subscription::MprisUpdate::Player(p)) => {
self.player_status = Some(p);
}
Message::Mpris(MprisUpdate::Finished) => {
self.player_status = None;
}
Message::Mpris(MprisUpdate::Setup) => {
self.player_status = None;
}
Message::MprisRequest(r) => {
let Some(player_status) = self.player_status.as_ref() else {
tracing::error!("No player found");
return Task::none();
};
let player = player_status.player.clone();
match r {
MprisRequest::Play => tokio::spawn(async move {
let res = player.play().await;
if let Err(err) = res {
tracing::error!("Error playing: {}", err);
}
}),
MprisRequest::Pause => tokio::spawn(async move {
let res = player.pause().await;
if let Err(err) = res {
tracing::error!("Error pausing: {}", err);
}
}),
MprisRequest::Next => tokio::spawn(async move {
let res = player.next().await;
if let Err(err) = res {
tracing::error!("Error playing next: {}", err);
}
}),
MprisRequest::Previous => tokio::spawn(async move {
let res = player.previous().await;
if let Err(err) = res {
tracing::error!("Error playing previous: {}", err);
}
}),
MprisRequest::Raise => tokio::spawn(async move {
let res = player.media_player().await;
if let Err(err) = res {
tracing::error!("Error fetching MediaPlayer: {}", err);
} else {
let res = res.unwrap().raise().await;
if let Err(err) = res {
tracing::error!("Error raising client: {}", err);
}
}
}),
};
}
Message::OpenSettings => {
let exec = "cosmic-settings sound".to_string();
if let Some(tx) = self.token_tx.as_ref() {
let _ = tx.send(TokenRequest {
app_id: Self::APP_ID.to_string(),
exec,
});
} else {
tracing::error!("Wayland tx is None");
}
}
Message::Token(u) => match u {
TokenUpdate::Init(tx) => {
self.token_tx = Some(tx);
}
TokenUpdate::Finished => {
self.token_tx = None;
}
TokenUpdate::ActivationToken { token, .. } => {
let mut cmd = std::process::Command::new("cosmic-settings");
cmd.arg("sound");
if let Some(token) = token {
cmd.env("XDG_ACTIVATION_TOKEN", &token);
cmd.env("DESKTOP_STARTUP_ID", &token);
}
tokio::spawn(cosmic::process::spawn(cmd));
}
},
Message::Surface(a) => {
return cosmic::task::message(cosmic::Action::Cosmic(
cosmic::app::Action::Surface(a),
));
}
Message::Client(client) => {
if let Some(client) = Arc::into_inner(client) {
self.audio_client = Some(client);
self.model = model::Model::default();
}
}
}
Task::none()
}
fn subscription(&self) -> Subscription<Message> {
Subscription::batch([
self.core.watch_config(Self::APP_ID).map(|u| {
for err in u.errors {
tracing::error!(?err, "Error watching config");
}
Message::ConfigChanged(u.config)
}),
mpris_subscription::mpris_subscription(0).map(Message::Mpris),
activation_token_subscription(0).map(Message::Token),
Subscription::run(|| {
iced::stream::channel(
1,
move |mut emitter: futures::channel::mpsc::Sender<_>| async move {
loop {
let mut client = match audio_client::connect().await {
Ok(client) => client,
Err(why) => {
if let zlink::Error::Io(ref why) = why
&& why.kind() == std::io::ErrorKind::NotFound
{
tracing::error!(
"cosmic-settings-daemon varlink service not found."
);
} else {
tracing::error!(
?why,
"failed to connect to cosmic-settings's varlink service"
);
}
tokio::time::sleep(std::time::Duration::from_secs(3)).await;
continue;
}
};
if let Ok(Ok(mut stream)) = client.recv_events().await {
_ = emitter.send(Message::Client(Arc::new(client))).await;
while let Some(message) = stream.next().await {
match message {
Ok(event) => {
_ = emitter.send(Message::Subscription(event)).await;
}
Err(why) => {
tracing::error!(?why, "event error");
}
}
}
}
}
},
)
}),
rectangle_tracker_subscription(0).map(|update| Message::Rectangle(update.1)),
])
}
fn view(&self) -> Element<'_, Message> {
let btn = self
.core
.applet
.icon_button(self.output_icon_name())
.on_press_down(Message::TogglePopup);
const WHEEL_STEP: f32 = 5.0; // 5% par cran logique
// Wayland axis_v120 envoie un cran physique en rafale de plusieurs
// ScrollDelta::Pixels (5–8 events ~15–20px), pour ~120px par cran. On
// accumule ces sub-events dans un thread_local et on n'émet qu'au
// passage d'un seuil — sinon `signum()` faisait croire que chaque
// sub-event = un cran, et un seul cran physique faisait chuter le
// volume jusqu'à 0 ("coupe le son").
const PIXEL_THRESHOLD: f32 = 15.0; // px par cran logique
std::thread_local! {
static PIXEL_ACC: std::cell::Cell<f32> = const { std::cell::Cell::new(0.0) };
}
let btn = crate::mouse_area::MouseArea::new(btn).on_mouse_wheel(|delta| {
let scroll_vector = match delta {
iced::mouse::ScrollDelta::Lines { y, .. } => {
PIXEL_ACC.with(|a| a.set(0.0));
y * WHEEL_STEP
}
iced::mouse::ScrollDelta::Pixels { y, .. } => {
PIXEL_ACC.with(|acc_cell| {
let acc = acc_cell.get() + y;
let steps = (acc / PIXEL_THRESHOLD).trunc();
acc_cell.set(acc - steps * PIXEL_THRESHOLD);
steps * WHEEL_STEP
})
}
};
if scroll_vector == 0.0 {
return Message::Ignore;
}
let new_volume = (self.model.active_sink.volume as f64 + (scroll_vector as f64))
.clamp(0.0, self.max_sink_volume as f64);
Message::SetSinkVolume(new_volume.round() as u32)
});
let mut has_playback_buttons = false;
let playback_buttons = (!self.core.applet.suggested_bounds.as_ref().is_some_and(|c| {
// if we have a configure for width and height, we're in a overflow popup
c.width > 0. && c.height > 0.
}))
.then(|| self.playback_buttons());
let mut ret = if let Some(playback_buttons) = playback_buttons
&& !playback_buttons.is_empty()
{
has_playback_buttons = true;
Element::from(match self.core.applet.anchor {
PanelAnchor::Left | PanelAnchor::Right => Element::from(
applet_column::Column::with_children(playback_buttons)
.push(btn)
.align_x(Alignment::Center)
.height(Length::Shrink)
// TODO configurable variable from the panel?
.spacing(
-(self.core.applet.suggested_padding(true).0 as f32)
* self.core.applet.padding_overlap,
),
),
PanelAnchor::Top | PanelAnchor::Bottom => {
applet_row::Row::with_children(playback_buttons)
.push(btn)
.align_y(Alignment::Center)
.width(Length::Shrink)
// TODO configurable variable from the panel?
.spacing(
-(self.core.applet.suggested_padding(true).0 as f32)
* self.core.applet.padding_overlap,
)
.into()
}
})
} else {
btn.into()
};
if let Some(tracker) = self.rectangle_tracker.as_ref()
&& has_playback_buttons
{
ret = tracker.container(0, ret).into()
}
if !self.core.applet.suggested_bounds.as_ref().is_some_and(|c| {
// if we have a configure for width and height, we're in a overflow popup
c.width > 0. && c.height > 0.
}) {
ret = self.core.applet.autosize_window(ret).into();
}
ret
}
fn view_window(&self, _id: window::Id) -> Element<'_, Message> {
let Spacing {
space_xxs, space_s, ..
} = theme::active().cosmic().spacing;
let sink: Option<&str> = self
.model
.sinks
.active()
.map(|pos| self.model.sinks.sorted_display[pos].as_ref());
let source: Option<&str> = self
.model
.sources
.active()
.map(|pos| self.model.sources.sorted_display[pos].as_ref());
let mut audio_content = {
let output_slider = slider(
0..=self.max_sink_volume,
self.model.active_sink.volume,
Message::SetSinkVolume,
)
.width(Length::FillPortion(5))
.breakpoints(self.sink_breakpoints);
let input_slider = slider(
0..=self.max_source_volume,
self.model.active_source.volume,
Message::SetSourceVolume,
)
.width(Length::FillPortion(5))
.breakpoints(self.source_breakpoints);
column![
padded_control(
row![
button::icon(
icon::from_name(self.output_icon_name())
.size(24)
.symbolic(true),
)
.class(cosmic::theme::Button::Icon)
.icon_size(24)
.line_height(24)
.on_press(Message::ToggleSinkMute),
output_slider,
container(text(&self.model.active_sink.volume_text).size(16))
.width(Length::FillPortion(1))
.align_x(Alignment::End)
]
.spacing(12)
.align_y(Alignment::Center)
),
padded_control(
row![
button::icon(
icon::from_name(self.input_icon_name())
.size(24)
.symbolic(true),
)
.class(cosmic::theme::Button::Icon)
.icon_size(24)
.line_height(24)
.on_press(Message::ToggleSourceMute),
input_slider,
container(text(&self.model.active_source.volume_text).size(16))
.width(Length::FillPortion(1))
.align_x(Alignment::End)
]
.spacing(12)
.align_y(Alignment::Center)
),
padded_control(divider::horizontal::default()).padding([space_xxs, space_s]),
revealer(
self.is_open == IsOpen::Output,
fl!("output"),
match sink {
Some(sink) => sink.to_owned(),
None => fl!("no-device"),
},
&self.model.sinks.sorted_display,
Message::OutputToggle,
Message::SetDefaultSink,
),
revealer(
self.is_open == IsOpen::Input,
fl!("input"),
match source {
Some(source) => source.to_owned(),
None => fl!("no-device"),
},
&self.model.sources.sorted_display,
Message::InputToggle,
Message::SetDefaultSource,
)
]
.align_x(Alignment::Start)
};
if let Some(s) = self.player_status.as_ref() {
let mut elements = Vec::with_capacity(5);
if let Some(icon_path) = s.icon.clone() {
elements.push(icon(icon::from_path(icon_path)).size(36).into());
}
let title = if let Some(title) = s.title.as_ref() {
if title.chars().count() > 22 {
let mut title_trunc = title.chars().take(20).collect::<String>();
title_trunc.push_str("...");
title_trunc
} else {
title.to_string()
}
} else {
String::new()
};
let artists = if let Some(artists) = s.artists.as_ref() {
let artists = artists.join(", ");
if artists.chars().count() > 27 {
let mut artists_trunc = artists.chars().take(25).collect::<String>();
artists_trunc.push_str("...");
artists_trunc
} else {
artists
}
} else {
fl!("unknown-artist")
};
elements.push(
column![
text::body(title).width(Length::Shrink),
text::caption(artists).width(Length::Shrink),
]
.width(Length::FillPortion(5))
.into(),
);
let mut control_elements = Vec::with_capacity(4);
control_elements.push(space::horizontal().width(Length::Fill).into());
if let Some(go_prev) = self.go_previous(32) {
control_elements.push(go_prev);
}
if let Some(play) = self.is_play() {
control_elements.push(
button::icon(icon::from_name(if play { PLAY } else { PAUSE }).symbolic(true))
.extra_small()
.class(cosmic::theme::Button::AppletIcon)
.on_press(if play {
Message::MprisRequest(MprisRequest::Play)
} else {
Message::MprisRequest(MprisRequest::Pause)
})
.into(),
);
}
if let Some(go_next) = self.go_next(32) {
control_elements.push(go_next);
}
let control_cnt = control_elements.len() as u16;
elements.push(
Row::with_children(control_elements)
.align_y(Alignment::Center)
.width(Length::FillPortion(control_cnt.saturating_add(1)))
.spacing(8)
.into(),
);
audio_content = audio_content
.push(padded_control(divider::horizontal::default()).padding([space_xxs, space_s]));
audio_content = audio_content.push(
menu_button(
Row::with_children(elements)
.align_y(Alignment::Center)
.spacing(8),
)
.on_press(Message::MprisRequest(MprisRequest::Raise))
.padding(menu_control_padding()),
);
}
let content = column![
audio_content,
padded_control(divider::horizontal::default()).padding([space_xxs, space_s]),
padded_control(
toggler(self.config.show_media_controls_in_top_panel)
.on_toggle(Message::ToggleMediaControlsInTopPanel)
.label(fl!("show-media-controls"))
.text_size(14)
.width(Length::Fill)
),
padded_control(divider::horizontal::default()).padding([space_xxs, space_s]),
menu_button(text::body(fl!("sound-settings"))).on_press(Message::OpenSettings)
]
.align_x(Alignment::Start)
.padding([8, 0]);
self.core.applet.popup_container(container(content)).into()
}
fn on_close_requested(&self, id: window::Id) -> Option<Message> {
Some(Message::CloseRequested(id))
}
}
fn revealer<'a>(
open: bool,
title: String,
selected: String,
devices: &'a [Arc<str>],
toggle: Message,
mut change: impl FnMut(usize) -> Message + 'static,
) -> widget::Column<'a, Message, crate::Theme, Renderer> {
if open {
devices.iter().enumerate().fold(
column![revealer_head(open, title, selected, toggle)].width(Length::Fill),
move |col, (id, name)| {
col.push(
text::body(name.as_ref())
.apply(menu_button)
.on_press(change(id))
.width(Length::Fill)
.padding([8, 48]),
)
},
)
} else {
column![revealer_head(open, title, selected, toggle)]
}
}
fn revealer_head(
_open: bool,
title: String,
selected: String,
toggle: Message,
) -> cosmic::widget::Button<'static, Message> {
cosmic::widget::column::with_capacity(2)
.push(text::body(title).width(Length::Fill))
.push(text::caption(selected))
.apply(menu_button)
.on_press(toggle)
}