refactor(rust): use eyre::Result uniformly

Matching the emerging style in komorebi for Mac

komorebi-bar/src/bar.rs

@@ -22,6 +22,7 @@ use crate::widgets::komorebi::Komorebi;
 use crate::widgets::komorebi::MonitorInfo;
 use crate::widgets::widget::BarWidget;
 use crate::widgets::widget::WidgetConfig;
+use color_eyre::eyre;
 use crossbeam_channel::Receiver;
 use crossbeam_channel::TryRecvError;
 use eframe::egui::Align;
@@ -61,7 +62,6 @@ use std::cell::RefCell;
 use std::collections::HashMap;
 use std::io::Error;
 use std::io::ErrorKind;
-use std::io::Result;
 use std::io::Write;
 use std::os::windows::process::CommandExt;
 use std::path::PathBuf;
@@ -78,7 +78,7 @@ lazy_static! {
     static ref SESSION_STDIN: Mutex<Option<ChildStdin>> = Mutex::new(None);
 }
 
-fn start_powershell() -> Result<()> {
+fn start_powershell() -> eyre::Result<()> {
     // found running session, do nothing
     if SESSION_STDIN.lock().as_mut().is_some() {
         tracing::debug!("PowerShell session already started");
@@ -102,17 +102,17 @@ fn start_powershell() -> Result<()> {
     Ok(())
 }
 
-fn stop_powershell() -> Result<()> {
+fn stop_powershell() -> eyre::Result<()> {
     tracing::debug!("Stopping PowerShell session");
 
     if let Some(mut session_stdin) = SESSION_STDIN.lock().take() {
         if let Err(e) = session_stdin.write_all(b"exit\n") {
             tracing::error!(error = %e, "failed to write exit command to PowerShell stdin");
-            return Err(e);
+            return Err(e.into());
         }
         if let Err(e) = session_stdin.flush() {
             tracing::error!(error = %e, "failed to flush PowerShell stdin");
-            return Err(e);
+            return Err(e.into());
         }
 
         tracing::debug!("PowerShell session stopped");
@@ -123,25 +123,22 @@ fn stop_powershell() -> Result<()> {
     Ok(())
 }
 
-pub fn exec_powershell(cmd: &str) -> Result<()> {
+pub fn exec_powershell(cmd: &str) -> eyre::Result<()> {
     if let Some(session_stdin) = SESSION_STDIN.lock().as_mut() {
         if let Err(e) = writeln!(session_stdin, "{cmd}") {
             tracing::error!(error = %e, cmd = cmd, "failed to write command to PowerShell stdin");
-            return Err(e);
+            return Err(e.into());
         }
 
         if let Err(e) = session_stdin.flush() {
             tracing::error!(error = %e, "failed to flush PowerShell stdin");
-            return Err(e);
+            return Err(e.into());
         }
 
         return Ok(());
     }
 
-    Err(Error::new(
-        ErrorKind::NotFound,
-        "PowerShell session not started",
-    ))
+    Err(Error::new(ErrorKind::NotFound, "PowerShell session not started").into())
 }
 
 pub struct Komobar {

komorebi-bar/src/widgets/keyboard.rs

@@ -1,6 +1,7 @@
 use crate::config::LabelPrefix;
 use crate::render::RenderConfig;
 use crate::widgets::widget::BarWidget;
+use color_eyre::eyre;
 use eframe::egui::Align;
 use eframe::egui::Context;
 use eframe::egui::Label;
@@ -80,7 +81,7 @@ pub struct Keyboard {
 /// - `Ok(String)`: The name of the active keyboard layout as a valid UTF-8 string.
 /// - `Err(())`: Indicates that the function failed to retrieve the locale name or encountered
 ///   invalid UTF-16 characters during conversion.
-fn get_active_keyboard_layout() -> Result<String, ()> {
+fn get_active_keyboard_layout() -> eyre::Result<String, ()> {
     let foreground_window_tid = unsafe { GetWindowThreadProcessId(GetForegroundWindow(), None) };
     let lcid = unsafe { GetKeyboardLayout(foreground_window_tid) };
 

komorebi-bar/src/widgets/komorebi_layout.rs

@@ -2,6 +2,7 @@ use crate::config::DisplayFormat;
 use crate::render::RenderConfig;
 use crate::selected_frame::SelectableFrame;
 use crate::widgets::komorebi::KomorebiLayoutConfig;
+use color_eyre::eyre;
 use eframe::egui::Context;
 use eframe::egui::CornerRadius;
 use eframe::egui::FontId;
@@ -34,7 +35,7 @@ pub enum KomorebiLayout {
 }
 
 impl<'de> Deserialize<'de> for KomorebiLayout {
-    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    fn deserialize<D>(deserializer: D) -> eyre::Result<Self, D::Error>
     where
         D: Deserializer<'de>,
     {