add EWW_IPV4/6 magic variable

CHANGELOG.md

@@ -26,6 +26,7 @@ All notable changes to eww will be listed here, starting at changes since versio
 - Add `jq` function, offering jq-style json processing
 - Add `justify` property to the label widget, allowing text justification (By: n3oney)
 - Add `EWW_TIME` magic variable (By: Erenoit)
+- Add `EWW_IPV4`, `EWW_IPV6` magic variable (By: Lanpingner)
 - Add trigonometric functions (`sin`, `cos`, `tan`, `cot`) and degree/radian conversions (`degtorad`, `radtodeg`) (By: end-4)
 - Add `substring` function to simplexpr
 - Add `--duration` flag to `eww open`

crates/eww/Cargo.toml

@@ -34,6 +34,43 @@ gtk-layer-shell = { version = "0.6.1", optional = true }
 gdkx11 = { version = "0.17", optional = true }
 x11rb = { version = "0.11.1", features = ["randr"], optional = true }
 
+regex = "1.9.3"
+bincode = "1.3.3"
+anyhow = "1.0.70"
+derive_more = "0.99"
+maplit = "1"
+clap = {version = "4.3.21", features = ["derive"] }
+serde = {version = "1.0", features = ["derive"]}
+serde_json = "1.0"
+extend = "1.2"
+grass = {version = "0.13.1", default-features = false}
+itertools = "0.11"
+log = "0.4"
+pretty_env_logger = "0.5"
+libc = "0.2"
+once_cell = "1.18"
+nix = "0.26.2"
+simple-signal = "1.1"
+unescape = "0.1"
+
+tokio = { version = "1.31.0", features = ["full"] }
+futures = "0.3.28"
+tokio-util = "0.7.8"
+
+sysinfo = "0.29.8"
+chrono = "0.4.26"
+local-ip-address = "0.5.3"
+
+wait-timeout = "0.2"
+
+notify = "6.0.1"
+
+codespan-reporting = "0.11"
+
+simplexpr = { version = "0.1.0", path = "../simplexpr" }
+eww_shared_util = { version = "0.1.0", path = "../eww_shared_util" }
+yuck = { version = "0.1.0", path = "../yuck", default-features = false}
+
 anyhow.workspace  = true
 bincode.workspace = true
 chrono.workspace = true
@@ -61,3 +98,4 @@ tokio-util.workspace = true
 tokio = { workspace = true, features = ["full"] }
 unescape.workspace = true
 wait-timeout.workspace = true
+

crates/eww/src/config/inbuilt.rs

@@ -64,6 +64,12 @@ define_builtin_vars! {
 
     // @desc EWW_TIME - the current UNIX timestamp
     "EWW_TIME" [1] => || Ok(DynVal::from(get_time())) ,
+
+    // @desc EWW_IPV4 - Information about the IPv4 address on all interfaces except "lo"
+    "EWW_IPV4" [1] => || Ok(DynVal::from(get_ipv4())),
+
+    // @desc EWW_IPV6 - Information about the IPv6 address on all interfaces except "lo"
+    "EWW_IPV6" [1] => || Ok(DynVal::from(get_ipv6())),
 }
 
 macro_rules! define_magic_constants {

crates/eww/src/config/system_stats.rs

@@ -1,8 +1,10 @@
 use crate::util::IterAverage;
 use anyhow::{Context, Result};
+use itertools::Itertools;
 use once_cell::sync::Lazy;
 use std::{fs::read_to_string, sync::Mutex};
 use sysinfo::System;
+use local_ip_address::list_afinet_netifas;
 
 struct RefreshTime(std::time::Instant);
 impl RefreshTime {
@@ -229,3 +231,17 @@ pub fn net() -> String {
 pub fn get_time() -> String {
     chrono::offset::Utc::now().timestamp().to_string()
 }
+
+pub fn get_ipv4() -> String {
+    let ifas = list_afinet_netifas().unwrap();
+    let joined =
+        ifas.iter().filter(|ipv| ipv.1.is_ipv4() && ipv.0 != "lo").map(|ip| format!("{}", ip.1)).collect::<Vec<_>>().join(", ");
+    joined
+}
+
+pub fn get_ipv6() -> String {
+    let ifas = list_afinet_netifas().unwrap();
+    let joined =
+        ifas.iter().filter(|ipv| ipv.1.is_ipv6() && ipv.0 != "lo").map(|ip| format!("{}", ip.1)).collect::<Vec<_>>().join(", ");
+    joined
+}