From 6d51eecc691318ff90b6a6de9b39988f34f435b4 Mon Sep 17 00:00:00 2001 From: Wez Furlong Date: Tue, 31 Dec 2019 07:13:45 -0800 Subject: enumerate available devices, select by name --- Cargo.lock | 173 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 1 + src/main.rs | 94 +++++++++++++++++++++++++++++++-- 3 files changed, 265 insertions(+), 3 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index d63d1a5..d60be47 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -8,6 +8,14 @@ dependencies = [ "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)", ] +[[package]] +name = "ansi_term" +version = "0.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)", +] + [[package]] name = "anyhow" version = "1.0.26" @@ -52,6 +60,20 @@ dependencies = [ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)", ] +[[package]] +name = "clap" +version = "2.33.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)", + "atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)", + "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)", + "strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)", + "textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)", + "unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)", + "vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)", +] + [[package]] name = "env_logger" version = "0.6.2" @@ -94,6 +116,15 @@ dependencies = [ "evdev-rs 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)", "pretty_env_logger 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", + "structopt 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "heck" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] @@ -171,11 +202,51 @@ dependencies = [ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)", ] +[[package]] +name = "proc-macro-error" +version = "0.4.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "proc-macro-error-attr 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)", + "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", + "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)", + "rustversion 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)", + "syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "proc-macro-error-attr" +version = "0.4.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", + "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)", + "rustversion 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)", + "syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)", + "syn-mid 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "proc-macro2" +version = "1.0.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)", +] + [[package]] name = "quick-error" version = "1.2.2" source = "registry+https://github.com/rust-lang/crates.io-index" +[[package]] +name = "quote" +version = "1.0.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", +] + [[package]] name = "redox_syscall" version = "0.1.56" @@ -197,6 +268,62 @@ name = "regex-syntax" version = "0.6.12" source = "registry+https://github.com/rust-lang/crates.io-index" +[[package]] +name = "rustversion" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", + "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)", + "syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "strsim" +version = "0.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] +name = "structopt" +version = "0.3.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)", + "structopt-derive 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "structopt-derive" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", + "proc-macro-error 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)", + "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", + "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)", + "syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "syn" +version = "1.0.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", + "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)", + "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "syn-mid" +version = 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"6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d" "checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6" "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" diff --git a/Cargo.toml b/Cargo.toml index 5215b86..9185fe2 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -9,3 +9,4 @@ evdev-rs = "0.3" anyhow = "1.0" log = "0.4" pretty_env_logger = "0.3" +structopt = "0.3" diff --git a/src/main.rs b/src/main.rs index dc29887..f157288 100644 --- a/src/main.rs +++ b/src/main.rs @@ -3,8 +3,23 @@ use evdev::enums::{EventCode, EV_KEY as KeyCode}; use evdev::{Device, GrabMode, InputEvent, ReadFlag, TimeVal, UInputDevice}; use evdev_rs as evdev; use std::collections::{HashMap, HashSet}; -use std::path::Path; +use std::path::{Path, PathBuf}; use std::time::Duration; +use structopt::StructOpt; + +#[derive(Debug, StructOpt)] +#[structopt( + name = "evremap", + about = "Remap libinput evdev keyboard inputs", + author = "Wez Furlong" +)] +struct Opt { + /// Rather than running the remapper, list currently available devices. + /// This is helpful to check their names when setting up the initial + /// configuration + #[structopt(name = "list-devices", long)] + list_devices: bool, +} #[derive(Debug, Clone, Eq, PartialEq)] enum Mapping { @@ -368,8 +383,81 @@ fn make_event(key: KeyCode, time: &TimeVal, event_type: KeyEventType) -> InputEv InputEvent::new(time, &EventCode::EV_KEY(key), event_type.value()) } +struct DeviceInfo { + name: String, + path: PathBuf, +} + +impl DeviceInfo { + pub fn with_path(path: PathBuf) -> Result { + let f = std::fs::File::open(&path).context(format!("opening {}", path.display()))?; + let mut input = Device::new().ok_or_else(|| anyhow!("failed to make new Device"))?; + input + .set_fd(f) + .context(format!("assigning fd for {} to Device", path.display()))?; + + Ok(Self { + name: input.name().unwrap_or("").to_string(), + path, + }) + } + + pub fn with_name(name: &str) -> Result { + let devices = Self::obtain_device_list()?; + for item in devices { + if item.name == name { + return Ok(item); + } + } + bail!("No device found with name `{}`", name); + } + + fn obtain_device_list() -> Result> { + let mut devices = vec![]; + for entry in std::fs::read_dir("/dev/input")? { + let entry = entry?; + + if !entry + .file_name() + .to_str() + .unwrap_or("") + .starts_with("event") + { + continue; + } + let path = entry.path(); + if path.is_dir() { + continue; + } + + match DeviceInfo::with_path(path) { + Ok(item) => devices.push(item), + Err(err) => log::error!("{}", err), + } + } + + devices.sort_by(|a, b| a.name.cmp(&b.name)); + Ok(devices) + } +} + +fn list_devices() -> Result<()> { + let devices = DeviceInfo::obtain_device_list()?; + for item in &devices { + println!("Name: {}", item.name); + println!("Path: {}", item.path.display()); + println!(); + } + Ok(()) +} + fn main() -> Result<()> { pretty_env_logger::init(); + let opt = Opt::from_args(); + + if opt.list_devices { + return list_devices(); + } let mappings = vec![ Mapping::DualRole { @@ -398,9 +486,9 @@ fn main() -> Result<()> { log::error!("Short delay: release any keys now!"); std::thread::sleep(Duration::new(2, 0)); - let path = "/dev/input/event2"; + let device_info = DeviceInfo::with_name("AT Translated Set 2 keyboard")?; - let mut mapper = InputMapper::create_mapper(path, mappings)?; + let mut mapper = InputMapper::create_mapper(device_info.path, mappings)?; log::error!("Going into read loop"); loop { -- cgit v1.2.3