use anyhow all over

src/config.rs

@@ -1,7 +1,8 @@
+use anyhow::Result;
 use serde::{Deserialize, Serialize};
 use std::{
     fs::File,
-    io::{Read, Result, Write},
+    io::{Read, Write},
 };
 use xdg::*;
 
@@ -14,16 +15,12 @@ pub(crate) struct Config {
 pub(crate) fn load() -> Result<Config> {
     let xdg_dirs =
         BaseDirectories::with_prefix("cabytcini").expect("pu djica lo nu finti lei datnyveiste");
-    let config_path = xdg_dirs
-        .place_config_file("gaftercu'a.toml")
-        .expect("pu djica lo nu le datnyveiste be lo gaftercu'a zvati");
+    let config_path = xdg_dirs.place_config_file("gaftercu'a.toml")?;
     match File::open(&config_path) {
         Ok(mut fin) => {
             let mut datni = String::new();
-            fin.read_to_string(&mut datni)
-                .expect("pu djica lo nu tcidu le sfaile");
-            let cfg: Config =
-                toml::from_str(datni.as_str()).expect("pu djica lo nu jimpe lo sfaile");
+            fin.read_to_string(&mut datni)?;
+            let cfg: Config = toml::from_str(datni.as_str())?;
             Ok(cfg)
         }
 

src/main.rs

@@ -119,7 +119,7 @@ impl State {
 
     pub(crate) fn show(&self) {
         let now = Local::now().format("%H:%M M%m %-d %a");
-        let xsr = XSetRoot::init();
+        let xsr = XSetRoot::init().expect("xsetroot to initialize");
 
         let mut msg = String::new();
 
@@ -147,6 +147,8 @@ impl State {
 
         msg.push_str(format!("{}", now).as_str());
 
-        xsr.render(msg);
+        if let Err(why) = xsr.render(msg) {
+            error!("error setting root window title: {:?}", why);
+        }
     }
 }

src/weather.rs

@@ -1,4 +1,5 @@
 use crate::{config::Config, MTState};
+use anyhow::Result;
 use reqwest::blocking::*;
 use serde::{Deserialize, Serialize};
 use std::{thread, time};
@@ -40,7 +41,7 @@ pub struct Daum {
 
 const UPDATE_FREQUENCY: u64 = 15 * 60; // 15 minutes
 
-fn get(cfg: &Config) -> reqwest::Result<Root> {
+fn get(cfg: &Config) -> Result<Root> {
     let client = Client::builder().user_agent(crate::APP_USER_AGENT).build()?;
     let now: Root = client.get(&cfg.weather_url).send()?.json()?;
 

src/xsetroot.rs

@@ -1,5 +1,6 @@
 #![allow(unsafe_code)]
 
+use anyhow::{anyhow, Result};
 use std::ffi::CString;
 use std::os::raw::c_char;
 use std::ptr;
@@ -11,26 +12,26 @@ pub(crate) struct XSetRoot {
 }
 
 impl XSetRoot {
-    pub(crate) fn init() -> Self {
+    pub(crate) fn init() -> Result<Self> {
         unsafe {
             let display = xlib::XOpenDisplay(ptr::null());
 
             if display.is_null() {
-                panic!("cannot open display");
+                return Err(anyhow!("cannot open display"));
             }
 
             let screen = xlib::XDefaultScreen(display);
             let root_window = xlib::XRootWindow(display, screen);
 
-            Self {
+            Ok(Self {
                 display,
                 root_window,
-            }
+            })
         }
     }
 
-    pub(crate) fn render(&self, text: String) {
-        let status_c = CString::new(text).expect("status text could not be converted to CString");
+    pub(crate) fn render(&self, text: String) -> Result<()> {
+        let status_c = CString::new(text)?;
 
         unsafe {
             xlib::XStoreName(
@@ -41,6 +42,8 @@ impl XSetRoot {
 
             xlib::XFlush(self.display);
         }
+
+        Ok(())
     }
 }