From 7ac75e2a28697275525969193d4ad73d3e7da9d7 Mon Sep 17 00:00:00 2001 From: Erwin Boskma Date: Wed, 24 Nov 2021 13:43:20 +0100 Subject: [PATCH] Initial commit --- .envrc | 1 + .gitignore | 7 + Cargo.lock | 962 ++++++++++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 12 + default.nix | 7 + flake.lock | 65 ++++ flake.nix | 42 +++ shell.nix | 7 + src/main.rs | 130 +++++++ 9 files changed, 1233 insertions(+) create mode 100644 .envrc create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 default.nix create mode 100644 flake.lock create mode 100644 flake.nix create mode 100644 shell.nix create mode 100644 src/main.rs diff --git a/.envrc b/.envrc new file mode 100644 index 0000000..3550a30 --- /dev/null +++ b/.envrc @@ -0,0 +1 @@ +use flake diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..126ef20 --- /dev/null +++ b/.gitignore @@ -0,0 +1,7 @@ +/.direnv +/result + + +# Added by cargo + +/target diff --git 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b/flake.lock @@ -0,0 +1,65 @@ +{ + "nodes": { + "naersk": { + "inputs": { + "nixpkgs": [ + "nixpkgs" + ] + }, + "locked": { + "lastModified": 1637576998, + "narHash": "sha256-bGQ66hh4Dl78T9bd1pqdp6fprHMCkrkeKqED6sDUYqo=", + "owner": "nmattia", + "repo": "naersk", + "rev": "b043f2447a4a761529254f4983cacd94b034a122", + "type": "github" + }, + "original": { + "owner": "nmattia", + "ref": "master", + "repo": "naersk", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1637593665, + "narHash": "sha256-R7jKS7A+0tZS8qD5pBr1UFcMiTdsw5bfoxgXbYsoWhM=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "98747f27ecfee70c8c97b195cbb94df80a074dda", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "nixpkgs-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "naersk": "naersk", + "nixpkgs": "nixpkgs", + "utils": "utils" + } + }, + "utils": { + "locked": { + "lastModified": 1637014545, + "narHash": "sha256-26IZAc5yzlD9FlDT54io1oqG/bBoyka+FJk5guaX4x4=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "bba5dcc8e0b20ab664967ad83d24d64cb64ec4f4", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..1073ba7 --- /dev/null +++ b/flake.nix @@ -0,0 +1,42 @@ +{ + + inputs = { + nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; + utils.url = "github:numtide/flake-utils"; + naersk = { + url = "github:nmattia/naersk/master"; + inputs.nixpkgs.follows = "nixpkgs"; + }; + }; + + outputs = { self, nixpkgs, utils, naersk }: + utils.lib.eachDefaultSystem (system: + let + pkgs = import nixpkgs { inherit system; }; + naersk-lib = pkgs.callPackage naersk { }; + in + rec { + + defaultPackage = naersk-lib.buildPackage { + root = ./.; + buildInputs = with pkgs; [ libpulseaudio ]; + nativeBuildInputs = with pkgs; [ pkg-config ]; + }; + + defaultApp = utils.lib.mkApp { + drv = self.defaultPackage."${system}"; + }; + + overlays = final: prev: { + pamedia = defaultPackage; + }; + + devShell = with pkgs; mkShell { + buildInputs = [ cargo rustc rustfmt pre-commit rustPackages.clippy cargo-edit cargo-feature cargo-outdated ] ++ defaultPackage.buildInputs; + nativeBuildInputs = [ ] ++ defaultPackage.nativeBuildInputs; + RUST_SRC_PATH = rustPlatform.rustLibSrc; + }; + + }); + +} diff --git a/shell.nix b/shell.nix new file mode 100644 index 0000000..77db547 --- /dev/null +++ b/shell.nix @@ -0,0 +1,7 @@ +(import ( + fetchTarball { + url = "https://github.com/edolstra/flake-compat/archive/99f1c2157fba4bfe6211a321fd0ee43199025dbf.tar.gz"; + sha256 = "0x2jn3vrawwv9xp15674wjz9pixwjyj3j771izayl962zziivbx2"; } +) { + src = ./.; +}).shellNix diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..1fd12ca --- /dev/null +++ b/src/main.rs @@ -0,0 +1,130 @@ +use std::error::Error; + +use argh::FromArgs; +use notify_rust::{Hint, Notification}; +use pulse::volume::Volume; +use pulsectl::controllers::{DeviceControl, SinkController}; + +/// Control the volume of the default sink +#[derive(Clone, Copy, Debug, FromArgs)] +struct Args { + #[argh(subcommand)] + command: Subcommand, +} + +#[derive(Debug, Clone, Copy, PartialEq, FromArgs)] +#[argh(subcommand)] +enum Subcommand { + Up(UpArgs), + Down(DownArgs), + Mute(MuteArgs), + Get(GetArgs), + Set(SetArgs), +} + +/// Increase the volume +#[derive(Debug, Clone, Copy, PartialEq, FromArgs)] +#[argh(subcommand, name = "up")] +struct UpArgs {} + +/// Decrease the volume +#[derive(Debug, Clone, Copy, PartialEq, FromArgs)] +#[argh(subcommand, name = "down")] +struct DownArgs {} + +/// Mute the sink +#[derive(Debug, Clone, Copy, PartialEq, FromArgs)] +#[argh(subcommand, name = "mute")] +struct MuteArgs {} + +/// Get the current volume +#[derive(Debug, Clone, Copy, PartialEq, FromArgs)] +#[argh(subcommand, name = "get")] +struct GetArgs {} + +/// Set the volume +#[derive(Debug, Clone, Copy, PartialEq, FromArgs)] +#[argh(subcommand, name = "set")] +struct SetArgs { + #[argh(positional)] + volume: u8, +} + +fn main() -> Result<(), Box> { + let args: Args = argh::from_env(); + + let mut handler = SinkController::create()?; + + let default_device = handler.get_default_device()?; + let muted = default_device.mute; + + match args.command { + Subcommand::Up(_) => { + handler.increase_device_volume_by_percent(default_device.index, 0.05); + notify_volume(default_device.volume.avg().0 as i32); + } + Subcommand::Down(_) => { + handler.decrease_device_volume_by_percent(default_device.index, 0.05); + notify_volume(default_device.volume.avg().0 as i32); + } + Subcommand::Mute(_) => { + handler.set_device_mute_by_index(default_device.index, !muted); + notify_muted(default_device.volume.avg().0 as i32, default_device.mute); + } + Subcommand::Get(_) => println!("Volume: {}", default_device.volume.avg()), + Subcommand::Set(SetArgs { volume }) => { + let mut current_volume = default_device.volume; + let new_volume = Volume(volume_from_percent(volume) as u32); + let volumes = current_volume.set(2, new_volume); + handler.set_device_volume_by_index(default_device.index, volumes); + notify_volume(default_device.volume.avg().0 as i32); + } + } + + Ok(()) +} + +fn icon_name(volume: i32) -> String { + let name = match volume { + x if x <= 0 => "muted", + x if x <= 30 => "low", + x if x <= 70 => "medium", + _ => "high", + }; + + format!("audio-volume-{}-symbolic", name) +} + +fn notify_volume(new_volume: i32) { + Notification::new() + .summary("Volume") + .icon(icon_name(new_volume).as_str()) + .appname("pamedia") + .hint(Hint::Custom( + "x-canonical-private-synchronous".into(), + "audio".into(), + )) + .hint(Hint::CustomInt("value".into(), new_volume)) + .show() + .expect("error showing notification"); +} + +fn notify_muted(volume: i32, muted: bool) { + let icon = icon_name(if muted { 0 } else { volume }); + + Notification::new() + .summary("Volume") + .icon(icon.as_str()) + .appname("pamedia") + .hint(Hint::Custom( + "x-canonical-private-synchronous".into(), + "audio".into(), + )) + .hint(Hint::CustomInt("value".into(), volume)) + .show() + .expect("error showing notification"); +} + +fn volume_from_percent(volume: u8) -> f64 { + (volume as f64) * (f64::from(pulse::volume::Volume::NORMAL.0) / 100.0) +}