initial commit

Signed-off-by: Christine Dodrill <me@christine.website>

.envrc

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Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "nanpa"
+version = "0.1.0"
+authors = ["Christine Dodrill <me@christine.website>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+dbus = "0.9"
+dbus-crossroads = "0.3"
+dbus-tokio = "0.7"
+env_logger = "0"
+futures = "0.3"
+log = "0"
+serde_json = "1"
+serde = { version = "1", features = [ "derive" ] }
+structopt = "0.3"
+tokio-i3ipc = "0.12"
+tokio = { version = "1", features = [ "full" ] }

LICENSE

@@ -0,0 +1,12 @@
+                                  YOLO LICENSE
+                             Version 1, July 10 2015
+
+THIS SOFTWARE LICENSE IS PROVIDED "ALL CAPS" SO THAT YOU KNOW IT IS SUPER
+SERIOUS AND YOU DON'T MESS AROUND WITH COPYRIGHT LAW BECAUSE YOU WILL GET IN
+TROUBLE HERE ARE SOME OTHER BUZZWORDS COMMONLY IN THESE THINGS WARRANTIES
+LIABILITY CONTRACT TORT LIABLE CLAIMS RESTRICTION MERCHANTABILITY SUBJECT TO
+THE FOLLOWING CONDITIONS:
+
+1. #yolo
+2. #swag
+3. #blazeit

shell.nix

@@ -0,0 +1,5 @@
+{ pkgs ? import <nixpkgs> { } }:
+
+pkgs.mkShell {
+  buildInputs = with pkgs; [ rustc cargo rust-analyzer rustfmt pkg-config dbus ];
+}

src/bin/nanpac.rs

@@ -0,0 +1,36 @@
+use dbus::blocking::Connection;
+use std::time::Duration;
+use structopt::StructOpt;
+
+#[derive(Debug, StructOpt)]
+#[structopt(name = "nanpac", about = "controls nanpad via dbus")]
+enum Cmd {
+    Switch { workspace: u32 },
+    Move { workspace: u32 },
+}
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    env_logger::init();
+
+    let opt = Cmd::from_args();
+    log::debug!("{:?}", opt);
+
+    let conn = Connection::new_session()?;
+
+    let proxy = conn.with_proxy(
+        "website.christine.nanpa",
+        "/workspace",
+        Duration::from_millis(5000),
+    );
+
+    match opt {
+        Cmd::Switch { workspace } => {
+            proxy.method_call("website.christine.nanpa", "Switch", (workspace,))?
+        }
+        Cmd::Move { workspace } => {
+            proxy.method_call("website.christine.nanpa", "Move", (workspace,))?
+        }
+    }
+
+    Ok(())
+}

src/bin/nanpad.rs

@@ -0,0 +1,169 @@
+#[macro_use]
+extern crate log;
+
+use dbus::channel::MatchingReceiver;
+use dbus::message::MatchRule;
+use dbus_crossroads::Crossroads;
+use dbus_tokio::connection;
+use futures::future;
+use serde::Deserialize;
+use std::{collections::HashMap, io};
+use tokio_i3ipc::I3;
+
+#[derive(Debug, Clone)]
+struct Nanpa {
+    config: Config,
+}
+
+async fn get_active_output_name() -> io::Result<String> {
+    let mut sock = I3::connect().await?;
+
+    for ws in sock.get_workspaces().await? {
+        debug!("ws: {:?}", ws);
+
+        if ws.focused {
+            return Ok(ws.output);
+        }
+    }
+
+    Err(io::Error::new(
+        io::ErrorKind::Other,
+        "can't get active output somehow",
+    ))
+}
+
+#[derive(Deserialize, Debug, Clone)]
+struct Config {
+    outputs: HashMap<String, u32>,
+}
+
+fn make_workspace_name(num: u32) -> String {
+    match num % 10 {
+        1 => format!("{}:", num),
+        2 => format!("{}:", num),
+        3 => format!("{}:", num),
+        4 => format!("{}:", num),
+        5 => format!("{}:", num),
+        6 => format!("{}:", num),
+        7 => format!("{}:", num),
+        8 => format!("{}:", num),
+        9 => format!("{}:", num),
+        0 => format!("{}:", num),
+        _ => panic!("this should be impossible"),
+    }
+}
+
+#[test]
+fn test_workspace_name() {
+    for i in 1..99 {
+        println!("{}: {}", i, make_workspace_name(i));
+    }
+}
+
+#[tokio::main]
+pub async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    env_logger::init();
+
+    debug!("connecting to dbus");
+    let (resource, c) = connection::new_session_sync()?;
+
+    tokio::spawn(async {
+        let err = resource.await;
+        panic!("Lost connection to D-Bus: {}", err);
+    });
+
+    c.request_name("website.christine.nanpa", false, true, false)
+        .await?;
+
+    let mut cr = Crossroads::new();
+
+    cr.set_async_support(Some((
+        c.clone(),
+        Box::new(|x| {
+            tokio::spawn(x);
+        }),
+    )));
+
+    let iface_token = cr.register("website.christine.nanpa", |b| {
+        b.method_with_cr_async(
+            "Move",
+            ("number",),
+            ("reply",),
+            |mut ctx, cr, (number,): (u32,)| {
+                let nanpa: &mut Nanpa = cr.data_mut(ctx.path()).unwrap();
+
+                let cfg = nanpa.config.clone();
+
+                async move {
+                    let output = get_active_output_name().await.unwrap();
+                    let number = cfg.outputs[&output] + number;
+                    let ws_name = make_workspace_name(number);
+                    debug!(
+                        "output: {}, number: {}, ws_name: {:?}",
+                        output, number, ws_name
+                    );
+
+                    let mut sock = tokio_i3ipc::I3::connect().await.unwrap();
+                    sock.run_command(format!("move container to workspace {}", ws_name))
+                        .await
+                        .unwrap();
+                    ctx.reply(Ok(("OK".to_string(),)))
+                }
+            },
+        );
+        b.method_with_cr_async(
+            "Switch",
+            ("number",),
+            ("reply",),
+            |mut ctx, cr, (number,): (u32,)| {
+                let nanpa: &mut Nanpa = cr.data_mut(ctx.path()).unwrap();
+
+                let cfg = nanpa.config.clone();
+
+                async move {
+                    let output = get_active_output_name().await.unwrap();
+                    let number = cfg.outputs[&output] + number;
+                    let ws_name = make_workspace_name(number);
+                    debug!(
+                        "output: {}, number: {}, ws_name: {:?}",
+                        output, number, ws_name
+                    );
+
+                    let mut sock = tokio_i3ipc::I3::connect().await.unwrap();
+                    sock.run_command(format!("workspace {}", ws_name))
+                        .await
+                        .unwrap();
+                    ctx.reply(Ok(("OK".to_string(),)))
+                }
+            },
+        );
+    });
+
+    let mut display_bases: HashMap<String, u32> = HashMap::new();
+    let mut conn = I3::connect().await?;
+
+    for (i, output) in conn.get_outputs().await?.into_iter().enumerate() {
+        display_bases.insert(output.name, i as u32 * 10);
+    }
+
+    debug!("{:?}", display_bases);
+
+    let nanpa = Nanpa {
+        config: Config {
+            outputs: display_bases,
+        },
+    };
+
+    cr.insert("/workspace", &[iface_token], nanpa.clone());
+
+    c.start_receive(
+        MatchRule::new_method_call(),
+        Box::new(move |msg, conn| {
+            cr.handle_message(msg, conn).unwrap();
+            true
+        }),
+    );
+
+    future::pending::<()>().await;
+    unreachable!()
+}