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|
use futures::{channel::mpsc, StreamExt};
use gtk::prelude::*;
use gtk::{gdk_pixbuf, gio, glib};
use libhandy::prelude::*;
use libhandy::{ApplicationWindow, HeaderBar};
use mpd::idle::Idle;
use mpd::Client;
struct TunesUI {
header_bar: HeaderBar,
// album_art: Image,
// queue_switcher: Notebook,
}
/// Produce a short status line for the current state of `conn`.
fn header_title(conn: &mut mpd::client::Client) -> anyhow::Result<String> {
let status = conn.status();
let state_descriptor = match status?.state {
mpd::status::State::Stop => "[STOPPED]",
mpd::status::State::Pause => "[PAUSED]",
mpd::status::State::Play => "[PLAYING]",
};
if let Some(song) = conn.currentsong()? {
Ok(format!(
"{} {} - {}",
state_descriptor,
song.title.unwrap_or_else(|| "Untitled".into()),
song.artist.unwrap_or_else(|| "Untitled".into()),
))
} else {
Ok("Tunes: No Song".into())
}
}
/// View for information about the currently playing song.
struct SongInfo {
container: gtk::Box,
album_art: gtk::Image,
song_text: gtk::Label,
}
impl SongInfo {
fn new() -> Self {
let container = gtk::Box::new(gtk::Orientation::Vertical, 16);
let album_art = gtk::Image::new();
let song_text = gtk::Label::new(None);
song_text.set_justify(gtk::Justification::Center);
container.add(&album_art);
container.add(&song_text);
SongInfo {
container,
album_art,
song_text,
}
}
fn update(&self, conn: &mut mpd::Client) -> anyhow::Result<()> {
if let Some(song) = conn.currentsong()? {
// If we've been allocated a window, pick the greatest dimension
// (width or height) and divide that dimension by two to get the
// size (in pixels) that we'll scale the album art to. Otherwise, we
// default to 128.
let album_art_size = std::cmp::max(
self.container
.window()
.map(|x| x.width() / 2)
.unwrap_or(128),
self.container
.window()
.map(|x| x.height() / 2)
.unwrap_or(128),
);
let image_data = conn.albumart(&song)?;
let image_pixbuf = gdk_pixbuf::Pixbuf::from_stream(
&gio::MemoryInputStream::from_bytes(&glib::Bytes::from(&image_data)),
gio::Cancellable::NONE,
)
.ok()
.and_then(|x| {
x.scale_simple(
album_art_size,
album_art_size,
gtk::gdk_pixbuf::InterpType::Hyper,
)
});
self.album_art.set_pixbuf(image_pixbuf.as_ref());
let title = song
.title
.as_ref()
.map(|x| x.as_str())
.unwrap_or("[Unknown]");
let artist = song
.artist
.as_ref()
.map(|x| x.as_str())
.unwrap_or("[Unknown]");
let album = song
.tags
.get("Album")
.map(|x| x.as_str())
.unwrap_or("[Unknown]");
let text = format!("{}\n{} - {}", title, artist, album);
self.song_text.set_text(&text);
let attr_list = gtk::pango::AttrList::new();
// Scale the title of the song the most.
let mut attr = gtk::pango::AttrFloat::new_scale(2.0);
attr.set_start_index(0);
attr.set_end_index(title.len() as u32);
attr_list.insert(attr);
// And still make the other info reasonably large.
let mut attr = gtk::pango::AttrFloat::new_scale(1.5);
attr.set_start_index(title.len() as u32 + 1);
attr_list.insert(attr);
self.song_text.set_attributes(Some(&attr_list));
}
Ok(())
}
}
impl AsRef<gtk::Widget> for SongInfo {
fn as_ref(&self) -> >k::Widget {
self.container.upcast_ref()
}
}
fn main() {
let application = gtk::Application::builder()
.application_id("space.jakob.Tunes")
.build();
application.connect_activate(|app| {
libhandy::init();
let mut conn = Client::connect("127.0.0.1:6600").unwrap();
// conn.volume(100).unwrap();
// conn.load("My Lounge Playlist", ..).unwrap();
// conn.play().unwrap();
let stack = gtk::Stack::new();
// let (song_info_view, song_info_container) = ().unwrap();
let song_info = SongInfo::new();
song_info
.update(&mut conn)
.expect("Couldn't update song info");
stack.add_named(song_info.as_ref(), "Currently Playing");
let header_bar = HeaderBar::builder()
.show_close_button(true)
.title(&header_title(&mut conn).unwrap())
.build();
let asdf = libhandy::ViewSwitcherTitle::builder()
.title("Tunes")
.stack(&stack)
.build();
header_bar.add(&asdf);
let ui = TunesUI { header_bar };
// Combine the content in a box
let content = gtk::Box::new(gtk::Orientation::Vertical, 0);
// Handy's ApplicationWindow does not include a HeaderBar
content.add(&ui.header_bar);
content.add(&stack);
let window = ApplicationWindow::builder()
.default_width(350)
.default_height(70)
// add content to window
.child(&content)
.build();
window.set_application(Some(app));
window.show_all();
let (mut sender, mut receiver) = mpsc::channel(1000);
std::thread::spawn(move || loop {
let mut conn = Client::connect("127.0.0.1:6600").unwrap();
if let Ok(_subsystems) = conn.wait(&[mpd::idle::Subsystem::Player]) {
sender.try_send(true).expect("Couldn't notify thread");
} else {
sender.try_send(false).expect("Couldn't notify thread");
break;
}
});
let main_context = gtk::glib::MainContext::default();
main_context.spawn_local(async move {
let mut conn = Client::connect("127.0.0.1:6600").unwrap();
while let Some(_item) = receiver.next().await {
if let Ok(title) = header_title(&mut conn) {
ui.header_bar.set_title(Some(&title));
song_info
.update(&mut conn)
.expect("Couldn't update song info");
}
}
});
});
application.run();
}
|
