Initial commit

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Julian Ospald 2020-02-10 00:20:43 +01:00
commit d77d8a5b22
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Cargo.toml Normal file
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[package]
name = "autoname_workspaces"
version = "0.1.0"
authors = ["Julian Ospald <hasufell@posteo.de>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
counter = "0.4.3"
i3ipc = "0.10.1"
lazy_static = "1.4"
log = "0.4"
regex = "1"
simple_logger = "1.5.0"
signal-hook = "0.1.13"

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src/main.rs Normal file
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extern crate counter;
extern crate i3ipc;
extern crate signal_hook;
#[macro_use(lazy_static)]
extern crate lazy_static;
#[macro_use]
extern crate log;
extern crate simple_logger;
use counter::Counter;
use i3ipc::I3Connection;
use log::{info, trace, warn};
use regex::Regex;
use signal_hook::{iterator::Signals, SIGINT, SIGTERM};
use std::collections::HashMap;
use std::process::Command;
use std::sync::{Arc, Mutex};
use std::vec::Vec;
use std::{error::Error, thread, time::Duration};
const SUPERSCRIPT: &'static [&'static str; 10] =
&["", "¹", "²", "³", "", "", "", "", "", ""];
const SUBSCRIPT: &'static [&'static str; 10] = &["", "", "", "", "", "", "", "", "", ""];
const DIGITS: &'static [&'static str; 10] = &["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"];
lazy_static! {
static ref WINDOW_ICONS: HashMap<&'static str, &'static str> = vec![
("NeovimGtk", "\u{f121}"),
("alacritty", "\u{f120}"),
("atom", "\u{f121}"),
("banshee", "\u{f04b}"),
("blender", "\u{f1b2}"),
("chromium", "\u{f268}"),
("cura", "\u{f1b2}"),
("darktable", "\u{f03e}"),
("discord", "\u{f075}"),
("eclipse", "\u{f121}"),
("emacs", "\u{f121}"),
("eog", "\u{f03e}"),
("evince", "\u{f1c1}"),
("evolution", "\u{f0e0}"),
("feh", "\u{f03e}"),
("file-roller", "\u{f066}"),
("filezilla", "\u{f233}"),
("firefox", "\u{f269}"),
("firefox-esr", "\u{f269}"),
("gimp-2.8", "\u{f03e}"),
("git-gui", "\u{f1d3}"),
("gitk", "\u{f1d3}"),
("gnome-control-center", "\u{f205}"),
("gnome-terminal-server", "\u{f120}"),
("google-chrome", "\u{f268}"),
("gpick", "\u{f1fb}"),
("gvim", "\u{f121}"),
("imv", "\u{f03e}"),
("java", "\u{f121}"),
("jetbrains-idea", "\u{f121}"),
("jetbrains-studio", "\u{f121}"),
("keepassxc", "\u{f084}"),
("keybase", "\u{f084}"),
("kicad", "\u{f2db}"),
("kitty", "\u{f120}"),
("libreoffice", "\u{f15c}"),
("lua5.1", "\u{f186}"),
("mpv", "\u{f26c}"),
("mupdf", "\u{f1c1}"),
("mysql-workbench-bin", "\u{f1c0}"),
("nautilus", "\u{f0c5}"),
("nemo", "\u{f0c5}"),
("openscad", "\u{f1b2}"),
("pavucontrol", "\u{f028}"),
("pidgin", "\u{f075}"),
("postman", "\u{f197}"),
("rhythmbox", "\u{f04b}"),
("robo3t", "\u{f1c0}"),
("sakura", "\u{f120}"),
("slack", "\u{f198}"),
("slic3r.pl", "\u{f1b2}"),
("spacefm", "\u{f0c5}"),
("spotify", "\u{f001}"),
("steam", "\u{f1b6}"),
("subl", "\u{f15c}"),
("subl3", "\u{f15c}"),
("sublime_text", "\u{f15c}"),
("thunar", "\u{f0c5}"),
("thunderbird", "\u{f0e0}"),
("totem", "\u{f04b}"),
("urxvt", "\u{f120}"),
("vim", "\u{f121}"),
("xfce4-terminal", "\u{f120}"),
("xournal", "\u{f15c}"),
("yelp", "\u{f121}"),
("zenity", "\u{f2d0}"),
("zoom", "\u{f075}"),
]
.into_iter()
.collect();
}
fn main() {
simple_logger::init().unwrap();
// establish a connection to i3 over a unix socket
let connection = Arc::new(Mutex::new(I3Connection::connect().unwrap()));
let signals = Signals::new(&[SIGINT, SIGTERM]).unwrap();
let con = Arc::clone(&connection);
thread::spawn(move || {
for sig in signals.forever() {
match sig {
signal_hook::SIGINT => on_exit(con.clone()),
signal_hook::SIGTERM => on_exit(con.clone()),
_ => unreachable!(),
}
}
});
match rename_workspaces(connection.clone()) {
Ok(_) => info!("Successfully renamed workspaces"),
Err(err) => warn!("Error renaming workspaces: {}", err),
}
// TODO: callback
}
fn on_exit(con: Arc<Mutex<I3Connection>>) {
let mut c = con.lock().unwrap();
let ws = c
.get_workspaces()
.unwrap_or(i3ipc::reply::Workspaces {
workspaces: Vec::new(),
})
.workspaces;
let mut i: u32 = 1;
for workspace in ws {
let name_parts = match parse_workspace_name(workspace.name.as_str()) {
Some(np) => np,
None => NameParts {
num: i.to_string(),
shortname: String::from(""),
icons: String::from(""),
},
};
let new_name: String = construct_workspace_name(&name_parts);
i += 1;
if workspace.name == new_name {
continue;
}
c.run_command(format!("rename workspace {} to {}", workspace.name, new_name).as_str());
}
std::process::exit(0);
}
struct NameParts {
num: String,
shortname: String,
icons: String,
}
fn parse_workspace_name(name: &str) -> Option<NameParts> {
let re = Regex::new(r"(?P<num>\d+):?(?P<shortname>\w+)? ?(?P<icons>.+)?").unwrap();
let matches = re
.find_iter(name)
.map(|m| m.as_str())
.collect::<Vec<&str>>();
if matches.len() == 3 {
return Some(NameParts {
num: String::from(matches[0]),
shortname: String::from(matches[1]),
icons: String::from(matches[2]),
});
} else {
return None;
}
}
fn construct_workspace_name(np: &NameParts) -> String {
let first_part = [np.num.as_str(), ":"].concat();
let last_part = if !np.shortname.is_empty() || !np.icons.is_empty() {
if !np.icons.is_empty() {
[np.shortname.as_str(), " ", np.icons.as_str()].concat()
} else {
String::from(np.shortname.as_str())
}
} else {
String::from(" ")
};
return [first_part, last_part].concat();
}
fn rename_workspaces(con: Arc<Mutex<I3Connection>>) -> Result<(), i3ipc::MessageError> {
let mut c = con.lock().unwrap();
let ws_infos = (c.get_workspaces()?).workspaces;
let mut prev_output: Option<String> = None;
let mut n: u32 = 1;
let tree = c.get_tree()?;
let workspaces = find_focused_workspace(&tree);
for (ws_index, workspace) in workspaces.iter().enumerate() {
let ws_info = &ws_infos[ws_index];
let name_parts = match workspace
.name
.as_ref()
.and_then(|n| parse_workspace_name(n.as_str()))
{
Some(n) => n,
None => NameParts {
num: n.to_string(),
shortname: String::from(""),
icons: String::from(""),
},
};
let mut icon_list: Vec<String> = Vec::new();
for leave in leaves(workspace) {
icon_list.push(icon_for_window(leave));
}
let new_icons = format_icon_list(icon_list);
match prev_output.as_ref() {
Some(o) => {
if ws_info.output != *o {
n += 1;
}
}
_ => (),
}
prev_output = Some(ws_info.output.clone());
// TODO: renumber workspaces
let new_num = name_parts.num;
n += 1;
let new_name = construct_workspace_name(&NameParts {
num: new_num,
shortname: name_parts.shortname,
icons: new_icons,
});
match workspace.name.as_ref() {
Some(n) => {
info!("rename workspace {} to {}", n, new_name);
c.run_command(format!("rename workspace {} to {}", n, new_name).as_str())?;
}
None => warn!("Could not find workspace name"),
}
}
return Ok(());
}
fn find_focused_workspace<'a>(node: &'a i3ipc::reply::Node) -> Option<&'a i3ipc::reply::Node> {
let mut work_node: Option<&'a i3ipc::reply::Node> = None;
return find_focused_workspace_rec(node, &mut work_node);
}
fn find_focused_workspace_rec<'a>(
node: &'a i3ipc::reply::Node,
work_node: &mut Option<&'a i3ipc::reply::Node>,
) -> Option<&'a i3ipc::reply::Node> {
if node.nodetype == i3ipc::reply::NodeType::Workspace {
*work_node = Some(node);
}
if node.focused {
return *work_node;
} else {
if let Some(&want) = node.focus.get(0) {
let child = node.nodes.iter().find(|n| want == n.id).unwrap();
return find_focused_workspace_rec(child, work_node);
} else {
return None;
}
}
}
fn leaves(node: &i3ipc::reply::Node) -> Vec<&i3ipc::reply::Node> {
let mut vec: Vec<&i3ipc::reply::Node> = Vec::new();
for n in &node.nodes {
if n.nodes.is_empty() {
vec.push(&n);
} else {
let child_leaves = leaves(&n);
vec.extend(child_leaves);
}
}
return vec;
}
fn icon_for_window(node: &i3ipc::reply::Node) -> String {
let classes = node.window.and_then(|w| xprop(w, "WM_CLASS"));
match classes {
Some(c) => {
if c.len() > 0 {
for class in c {
match WINDOW_ICONS.get(class.to_ascii_lowercase().as_str()) {
Some(m) => return String::from(*m),
None => (),
}
}
}
return String::from("*");
}
None => return String::from("*"),
}
}
fn xprop(win_id: i32, property: &str) -> Option<Vec<String>> {
return Command::new("xprop")
.arg("-id")
.arg(win_id.to_string())
.arg(property)
.output()
.ok()
.and_then(|r| String::from_utf8(r.stdout).ok())
.map(|prop| {
let re = Regex::new(r#"([^"]*)"#).unwrap();
return re
.find_iter(prop.as_str())
.map(|m| String::from(m.as_str()))
.collect::<Vec<String>>();
});
}
// TODO: support for superscript and normal numbers
fn format_icon_list(icons: Vec<String>) -> String {
let mut new_list: Vec<String> = Vec::new();
let icon_count = icons.into_iter().collect::<Counter<_>>();
for (icon, count) in icon_count.iter() {
if *count > 1 {
new_list.push(
[
icon.to_string(),
encode_base_10_number(*count as usize, SUPERSCRIPT),
]
.concat(),
);
} else {
new_list.push(icon.to_string());
}
}
return new_list.join(" ");
}
fn encode_base_10_number(n: usize, symbols: &[&str; 10]) -> String {
n.to_string()
.chars()
.map(|c| symbols[c.to_digit(10).unwrap() as usize])
.collect()
}