Only refresh module which was the click receiver

Cargo.lock

@@ -461,9 +461,9 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.5.1"
+version = "1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c06aca804d41dbc8ba42dfd964f0d01334eceb64314b9ecf7c5fad5188a06d90"
+checksum = "fd249e82c21598a9a426a4e00dd7adc1d640b22445ec8545feef801d1a74c221"
 dependencies = [
  "autocfg",
  "crossbeam-deque",
@@ -473,14 +473,13 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.9.1"
+version = "1.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d78120e2c850279833f1dd3582f730c4ab53ed95aeaaaa862a2a5c71b1656d8e"
+checksum = "9f51245e1e62e1f1629cbfec37b5793bbabcaeb90f30e94d2ba03564687353e4"
 dependencies = [
  "crossbeam-channel",
  "crossbeam-deque",
  "crossbeam-utils",
- "lazy_static",
  "num_cpus",
 ]
 
@@ -663,9 +662,9 @@ dependencies = [
 
 [[package]]
 name = "sysinfo"
-version = "0.23.9"
+version = "0.23.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3fb8adaa82317f1e8a040281807f411803c9111303cfe129b4abb4a14b2c223"
+checksum = "4eea2ed6847da2e0c7289f72cb4f285f0bd704694ca067d32be811b2a45ea858"
 dependencies = [
  "cfg-if",
  "core-foundation-sys 0.8.3",
@@ -723,9 +722,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.8"
+version = "0.5.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
+checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
 dependencies = [
  "serde",
 ]

swayrbar/src/bar.rs

@@ -17,7 +17,7 @@
 
 use crate::config;
 use crate::module;
-use crate::module::BarModuleFn;
+use crate::module::{BarModuleFn, NameAndInstance};
 use env_logger::Env;
 use serde_json;
 use std::io;
@@ -36,7 +36,8 @@ pub fn start() {
     let refresh_interval = config.refresh_interval;
     let mods: Arc<Vec<Box<dyn BarModuleFn>>> = Arc::new(create_modules(config));
     let mods_for_input = mods.clone();
-    let trigger = Arc::new((Mutex::new(()), Condvar::new()));
+    let trigger =
+        Arc::new((Mutex::new((String::new(), String::new())), Condvar::new()));
     let trigger_for_input = trigger.clone();
     thread::spawn(move || handle_input(mods_for_input, trigger_for_input));
     generate_status(&mods, trigger, refresh_interval);
@@ -63,7 +64,7 @@ fn create_modules(config: config::Config) -> Vec<Box<dyn BarModuleFn>> {
 
 pub fn handle_input(
     mods: Arc<Vec<Box<dyn BarModuleFn>>>,
-    trigger: Arc<(Mutex<()>, Condvar)>,
+    trigger: Arc<(Mutex<NameAndInstance>, Condvar)>,
 ) {
     let mut sb = String::new();
     io::stdin()
@@ -96,8 +97,11 @@ pub fn handle_input(
             }
         };
         log::debug!("Received click: {:?}", click);
-        if handle_click(click, mods.clone()).is_some() {
+        if let Some((name, instance)) = handle_click(click, mods.clone()) {
-            let (_, cvar) = &*trigger;
+            let (mtx, cvar) = &*trigger;
+            let mut name_and_instance = mtx.lock().unwrap();
+            name_and_instance.0 = name;
+            name_and_instance.1 = instance;
             cvar.notify_one();
         }
     }
@@ -106,7 +110,7 @@ pub fn handle_input(
 fn handle_click(
     click: sbt::Click,
     mods: Arc<Vec<Box<dyn BarModuleFn>>>,
-) -> Option<()> {
+) -> Option<NameAndInstance> {
     let name = click.name?;
     let instance = click.instance?;
     let button_str = format!("{:?}", click.button);
@@ -119,8 +123,9 @@ fn handle_click(
                 }
                 // Wait a bit so that the action of the click has shown its
                 // effect, e.g., the window has been switched.
-                thread::sleep(Duration::from_millis(50));
+                thread::sleep(Duration::from_millis(25));
-                return Some(());
+                let cfg = m.get_config();
+                return Some((cfg.name.clone(), cfg.instance.clone()));
             }
         }
     }
@@ -149,7 +154,7 @@ fn execute_command(cmd: &[String]) {
 
 pub fn generate_status(
     mods: &[Box<dyn BarModuleFn>],
-    trigger: Arc<(Mutex<()>, Condvar)>,
+    trigger: Arc<(Mutex<NameAndInstance>, Condvar)>,
     refresh_interval: u64,
 ) {
     println!("{{\"version\": 1, \"click_events\": true}}");
@@ -157,22 +162,30 @@ pub fn generate_status(
     // opening [ and never the closing bracket.
     println!("[");
 
+    let mut name_and_instance: Option<NameAndInstance> = None;
+
     loop {
         let mut blocks = vec![];
         for m in mods {
-            blocks.push(m.build());
+            blocks.push(m.build(&name_and_instance));
         }
         let json = serde_json::to_string_pretty(&blocks)
             .unwrap_or_else(|_| "".to_string());
         println!("{},", json);
 
         let (lock, cvar) = &*trigger;
-        let triggered = lock.lock().unwrap();
         let result = cvar
-            .wait_timeout(triggered, Duration::from_millis(refresh_interval))
+            .wait_timeout(
+                lock.lock().unwrap(),
+                Duration::from_millis(refresh_interval),
+            )
             .unwrap();
-        if !result.1.timed_out() {
+        if result.1.timed_out() {
-            log::debug!("Status writing thread waked up early by click event.");
+            name_and_instance = None;
+        } else {
+            name_and_instance = Some((*result.0).clone());
+            log::debug!("Status writing thread waked up early by click event for {}/{}.",
+                        &result.0.0, & result.0.1);
         }
     }
 }

swayrbar/src/module.rs

@@ -24,6 +24,16 @@ pub mod pactl;
 pub mod sysinfo;
 pub mod window;
 
+pub type NameAndInstance = (String, String);
+
+fn should_refresh(m: &dyn BarModuleFn, nai: &Option<NameAndInstance>) -> bool {
+    let cfg = m.get_config();
+    match nai {
+        None => true,
+        Some((n, i)) => n == &cfg.name && i == &cfg.instance,
+    }
+}
+
 pub trait BarModuleFn: Sync + Send {
     fn create(config: config::ModuleConfig) -> Box<dyn BarModuleFn>
     where
@@ -44,6 +54,6 @@ pub trait BarModuleFn: Sync + Send {
             None
         }
     }
-    fn build(&self) -> s::Block;
+    fn build(&self, nai: &Option<NameAndInstance>) -> s::Block;
     fn subst_args<'a>(&'a self, _cmd: &'a [String]) -> Option<Vec<String>>;
 }

swayrbar/src/module/battery.rs

@@ -16,7 +16,7 @@
 //! The date `swayrbar` module.
 
 use crate::config;
-use crate::module::BarModuleFn;
+use crate::module::{should_refresh, BarModuleFn, NameAndInstance};
 use crate::shared::fmt::subst_placeholders;
 use battery as bat;
 use std::collections::HashSet;
@@ -128,9 +128,13 @@ impl BarModuleFn for BarModuleBattery {
         &self.config
     }
 
-    fn build(&self) -> s::Block {
+    fn build(&self, nai: &Option<NameAndInstance>) -> s::Block {
         let mut state = self.state.lock().expect("Could not lock state.");
+
+        if should_refresh(self, nai) {
             refresh_state(&mut state);
+        }
+
         let text =
             get_text(&self.config.format, self.config.is_html_escape(), &state);
         s::Block {

swayrbar/src/module/date.rs

@@ -16,7 +16,7 @@
 //! The date `swayrbar` module.
 
 use crate::module::config;
-use crate::module::BarModuleFn;
+use crate::module::{BarModuleFn, NameAndInstance};
 use swaybar_types as s;
 
 const NAME: &str = "date";
@@ -61,7 +61,7 @@ impl BarModuleFn for BarModuleDate {
         }
     }
 
-    fn build(&self) -> s::Block {
+    fn build(&self, _nai: &Option<NameAndInstance>) -> s::Block {
         let text = chrono_format(&self.config.format);
         s::Block {
             name: Some(NAME.to_owned()),

swayrbar/src/module/pactl.rs

@@ -16,7 +16,7 @@
 //! The pactl `swayrbar` module.
 
 use crate::config;
-use crate::module::BarModuleFn;
+use crate::module::{should_refresh, BarModuleFn, NameAndInstance};
 use crate::shared::fmt::subst_placeholders;
 use once_cell::sync::Lazy;
 use regex::Regex;
@@ -142,9 +142,13 @@ impl BarModuleFn for BarModulePactl {
         &self.config
     }
 
-    fn build(&self) -> s::Block {
+    fn build(&self, nai: &Option<NameAndInstance>) -> s::Block {
         let mut state = self.state.lock().expect("Could not lock state.");
+
+        if should_refresh(self, nai) {
             refresh_state(&mut state);
+        }
+
         let text =
             get_text(&self.config.format, self.config.is_html_escape(), &state);
         s::Block {

swayrbar/src/module/sysinfo.rs

@@ -16,7 +16,7 @@
 //! The date `swayrbar` module.
 
 use crate::config;
-use crate::module::BarModuleFn;
+use crate::module::{should_refresh, BarModuleFn, NameAndInstance};
 use crate::shared::fmt::subst_placeholders;
 use std::collections::HashMap;
 use std::sync::Mutex;
@@ -145,10 +145,14 @@ impl BarModuleFn for BarModuleSysInfo {
         &self.config
     }
 
-    fn build(&self) -> s::Block {
+    fn build(&self, nai: &Option<NameAndInstance>) -> s::Block {
         let mut sys = self.system.lock().expect("Could not lock state.");
         let mut state = self.state.lock().expect("Could not lock state.");
+
+        if should_refresh(self, nai) {
             refresh_state(&mut sys, &mut state);
+        }
+
         s::Block {
             name: Some(NAME.to_owned()),
             instance: Some(self.config.instance.clone()),

swayrbar/src/module/window.rs

@@ -19,7 +19,7 @@ use std::collections::HashMap;
 use std::sync::Mutex;
 
 use crate::config;
-use crate::module::BarModuleFn;
+use crate::module::{should_refresh, BarModuleFn, NameAndInstance};
 use crate::shared::fmt::subst_placeholders;
 use crate::shared::ipc;
 use crate::shared::ipc::NodeMethods;
@@ -99,9 +99,13 @@ impl BarModuleFn for BarModuleWindow {
         &self.config
     }
 
-    fn build(&self) -> s::Block {
+    fn build(&self, nai: &Option<NameAndInstance>) -> s::Block {
         let mut state = self.state.lock().expect("Could not lock state.");
+
+        if should_refresh(self, nai) {
             refresh_state(&mut state);
+        }
+
         let text = if state.pid == -1 {
             String::new()
         } else {