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Joakim Hulthe
2023-10-28 19:44:47 +02:00
parent 3736fab8ed
commit 3517d88a1c
3 changed files with 795 additions and 94 deletions
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"clap", "clap",
"lazy_static", "lazy_static",
@ -143,33 +582,44 @@ dependencies = [
[[package]] [[package]]
name = "structopt-derive" name = "structopt-derive"
version = "0.4.13" version = "0.4.18"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "65e51c492f9e23a220534971ff5afc14037289de430e3c83f9daf6a1b6ae91e8" checksum = "dcb5ae327f9cc13b68763b5749770cb9e048a99bd9dfdfa58d0cf05d5f64afe0"
dependencies = [ dependencies = [
"heck", "heck",
"proc-macro-error", "proc-macro-error",
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 1.0.109",
] ]
[[package]] [[package]]
name = "syn" name = "syn"
version = "1.0.48" version = "1.0.109"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cc371affeffc477f42a221a1e4297aedcea33d47d19b61455588bd9d8f6b19ac" checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"unicode-xid", "unicode-ident",
]
[[package]]
name = "syn"
version = "2.0.38"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e96b79aaa137db8f61e26363a0c9b47d8b4ec75da28b7d1d614c2303e232408b"
dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
] ]
[[package]] [[package]]
name = "terminal_size" name = "terminal_size"
version = "0.1.13" version = "0.1.17"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9a14cd9f8c72704232f0bfc8455c0e861f0ad4eb60cc9ec8a170e231414c1e13" checksum = "633c1a546cee861a1a6d0dc69ebeca693bf4296661ba7852b9d21d159e0506df"
dependencies = [ dependencies = [
"libc", "libc",
"winapi", "winapi",
@ -185,22 +635,102 @@ dependencies = [
] ]
[[package]] [[package]]
name = "unicode-segmentation" name = "thread_local"
version = "1.6.0" version = "1.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0" checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152"
dependencies = [
"cfg-if",
"once_cell",
]
[[package]]
name = "tokio"
version = "1.33.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4f38200e3ef7995e5ef13baec2f432a6da0aa9ac495b2c0e8f3b7eec2c92d653"
dependencies = [
"backtrace",
"bytes",
"pin-project-lite",
"tokio-macros",
]
[[package]]
name = "tokio-macros"
version = "2.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.38",
]
[[package]]
name = "tracing"
version = "0.1.40"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
dependencies = [
"pin-project-lite",
"tracing-core",
]
[[package]]
name = "tracing-core"
version = "0.1.32"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
dependencies = [
"once_cell",
"valuable",
]
[[package]]
name = "tracing-error"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d686ec1c0f384b1277f097b2f279a2ecc11afe8c133c1aabf036a27cb4cd206e"
dependencies = [
"tracing",
"tracing-subscriber",
]
[[package]]
name = "tracing-subscriber"
version = "0.3.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "30a651bc37f915e81f087d86e62a18eec5f79550c7faff886f7090b4ea757c77"
dependencies = [
"sharded-slab",
"thread_local",
"tracing-core",
]
[[package]]
name = "unicode-ident"
version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
[[package]]
name = "unicode-segmentation"
version = "1.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
[[package]] [[package]]
name = "unicode-width" name = "unicode-width"
version = "0.1.8" version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3" checksum = "e51733f11c9c4f72aa0c160008246859e340b00807569a0da0e7a1079b27ba85"
[[package]] [[package]]
name = "unicode-xid" name = "valuable"
version = "0.2.1" version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564" checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
[[package]] [[package]]
name = "vec_map" name = "vec_map"
@ -210,19 +740,39 @@ checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
[[package]] [[package]]
name = "version_check" name = "version_check"
version = "0.9.2" version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed" checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
[[package]] [[package]]
name = "volume_indicator" name = "volume_indicator"
version = "0.1.0" version = "0.1.0"
dependencies = [ dependencies = [
"color-eyre",
"colored", "colored",
"eyre",
"hotwatch",
"structopt", "structopt",
"terminal_size", "terminal_size",
"tokio",
] ]
[[package]]
name = "walkdir"
version = "2.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d71d857dc86794ca4c280d616f7da00d2dbfd8cd788846559a6813e6aa4b54ee"
dependencies = [
"same-file",
"winapi-util",
]
[[package]]
name = "wasi"
version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
[[package]] [[package]]
name = "winapi" name = "winapi"
version = "0.3.9" version = "0.3.9"
@ -239,8 +789,83 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-util"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596"
dependencies = [
"winapi",
]
[[package]] [[package]]
name = "winapi-x86_64-pc-windows-gnu" name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0" version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "windows-sys"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
dependencies = [
"windows-targets",
]
[[package]]
name = "windows-targets"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
dependencies = [
"windows_aarch64_gnullvm",
"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_gnullvm",
"windows_x86_64_msvc",
]
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
[[package]]
name = "windows_aarch64_msvc"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
[[package]]
name = "windows_i686_gnu"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "windows_i686_msvc"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
[[package]]
name = "windows_x86_64_gnu"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
[[package]]
name = "windows_x86_64_msvc"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"

8
Cargo.toml
View File

@ -2,11 +2,13 @@
name = "volume_indicator" name = "volume_indicator"
version = "0.1.0" version = "0.1.0"
authors = ["Joakim Hulthe <joakim@hulthe.net>"] authors = ["Joakim Hulthe <joakim@hulthe.net>"]
edition = "2018" edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies] [dependencies]
colored = "2.0.0" colored = "2.0.0"
terminal_size = "0.1.13" terminal_size = "0.1.13"
structopt = "0.3.20" structopt = "0.3.20"
hotwatch = "0.5.0"
color-eyre = "0.6.2"
eyre = "0.6.8"
tokio = { version = "1.33.0", features = ["macros", "rt", "sync", "time", "io-std", "io-util", "fs"] }

158
src/main.rs
View File

@ -1,10 +1,17 @@
use std::process::Command;
use terminal_size::{Width, Height, terminal_size};
use colored::{Color, Colorize}; use colored::{Color, Colorize};
use std::io::{self, Write, stdout}; use hotwatch::Hotwatch;
use std::thread::sleep; use std::fs::remove_file;
use std::future::pending;
use std::io::{stdout, BufWriter, Write};
use std::path::PathBuf;
use std::process::{self, Command};
use std::sync::Arc;
use std::time::Duration; use std::time::Duration;
use structopt::StructOpt; use structopt::StructOpt;
use terminal_size::{terminal_size, Height, Width};
use tokio::sync::Notify;
use tokio::time::sleep;
use tokio::{fs::File, select, spawn};
#[derive(Debug, StructOpt)] #[derive(Debug, StructOpt)]
#[structopt()] #[structopt()]
@ -20,52 +27,43 @@ struct Opt {
/// Set number of rows in column /// Set number of rows in column
#[structopt(short, long)] #[structopt(short, long)]
timeout: Option<u64>, timeout: Option<u64>,
/// Watch for changes on a file. If the file changes, restart the timeout.
#[structopt(short, long)]
watch: Option<PathBuf>,
} }
const COLORS: &[Color] = &[ type Rendered = Vec<Vec<(char, Color)>>;
Color::Green,
Color::Blue,
Color::Yellow,
Color::Red,
];
const BLOCK_CHARS: &[char] = &[ const COLORS: &[Color] = &[Color::Green, Color::Blue, Color::Yellow, Color::Red];
' ',
'▁',
'▂',
'▃',
'▄',
'▅',
'▆',
'▇',
'█',
];
fn main() -> io::Result<()> { const BLOCK_CHARS: &[char] = &[' ', '▁', '▂', '▃', '▄', '▅', '▆', '▇', '█'];
let opt = Opt::from_args();
fn get_volume() -> eyre::Result<f64> {
let output = Command::new("pamixer").args(["--get-volume"]).output()?;
let out =
std::str::from_utf8(&output.stdout).expect("failed to parse paxmixer output as utf-8");
let volume: u16 = out
.trim()
.parse()
.expect("failed to parse pamixer output as u16");
let percentage = volume as f64 / 100.0;
Ok(percentage)
}
fn render_bars(opt: &Opt, volume: f64) -> eyre::Result<Rendered> {
let (Width(calc_max_cols), Height(calc_max_rows)) = terminal_size().unwrap(); let (Width(calc_max_cols), Height(calc_max_rows)) = terminal_size().unwrap();
let calc_max_rows = calc_max_rows.min(4); let calc_max_rows = calc_max_rows.min(4);
let max_cols = opt.cols.unwrap_or(calc_max_cols); let max_cols = opt.cols.unwrap_or(calc_max_cols);
let max_rows = opt.rows.unwrap_or(calc_max_rows); let max_rows = opt.rows.unwrap_or(calc_max_rows);
let num_cols = ((max_cols as f64 * volume) as u16).min(max_cols);
let output = Command::new("pamixer")
.args(&["--get-volume"])
.output()?;
let out = std::str::from_utf8(&output.stdout)
.expect("failed to parse paxmixer output as utf-8");
let volume: u16 = out.trim().parse().expect("failed to parse pamixer output as u16");
let percentage = volume as f64 / 100.0;
let num_cols = ((max_cols as f64 * percentage) as u16).min(max_cols);
let max_chars = max_cols / 2; let max_chars = max_cols / 2;
let num_chars = num_cols / 2; let num_chars = num_cols / 2;
let mut lines = vec![vec![]; max_rows as usize]; let mut lines = vec![vec![]; max_rows as usize];
for i in 0..num_chars { for i in 0..num_chars {
@ -83,22 +81,98 @@ fn main() -> io::Result<()> {
} }
lines.reverse(); lines.reverse();
Ok(lines)
}
fn draw_bars(lines: &Rendered) -> eyre::Result<()> {
let stdout = stdout(); let stdout = stdout();
let mut handle = stdout.lock(); let mut stdout = BufWriter::new(stdout.lock());
// clear console and more cursor to 0,0
write!(&mut stdout, "{esc}[2J{esc}[1;1H", esc = 27 as char)?;
let mut char_buf = [0u8; 4]; let mut char_buf = [0u8; 4];
for line in &lines { for line in lines {
writeln!(&mut handle)?; writeln!(&mut stdout)?;
for &(bc, color) in line { for &(bc, color) in line {
let bc = bc.encode_utf8(&mut char_buf); let bc = bc.encode_utf8(&mut char_buf);
write!(&mut handle, " {}", bc.color(color))?; write!(&mut stdout, " {}", bc.color(color))?;
} }
} }
handle.flush()?; stdout.flush()?;
Ok(())
}
#[tokio::main(flavor = "current_thread")]
async fn main() -> eyre::Result<()> {
let opt = Opt::from_args();
color_eyre::install()?;
if let Some(path) = &opt.watch {
let _file = File::options()
.create_new(true)
.write(true)
.open(path)
.await?;
}
let mut volume = get_volume()?;
{
let rendered = render_bars(&opt, volume)?;
draw_bars(&rendered)?;
}
let extend_timeout = Arc::new(Notify::new());
if let Some(millis) = opt.timeout { if let Some(millis) = opt.timeout {
sleep(Duration::from_millis(millis)); let duration = Duration::from_millis(millis);
let extend_timeout = Arc::clone(&extend_timeout);
let watchfile_path = opt.watch.clone();
spawn(async move {
loop {
select! {
_ = extend_timeout.notified() => {}
_ = sleep(duration) => break,
}
}
if let Some(path) = watchfile_path {
let _ = remove_file(path);
}
process::exit(0);
});
}
if let Some(path) = &opt.watch {
let mut watcher = Hotwatch::new()?;
let render = Arc::new(Notify::new());
{
let render = Arc::clone(&render);
watcher.watch(path, move |_ev| {
render.notify_waiters();
extend_timeout.notify_waiters();
})?;
}
loop {
render.notified().await;
let new_volume = get_volume()?;
if new_volume == volume {
continue;
}
volume = new_volume;
let rendered = render_bars(&opt, volume)?;
draw_bars(&rendered)?;
}
}
if opt.timeout.is_some() {
return pending().await;
} }
Ok(()) Ok(())