feature: show hostname in title

Cargo.toml

@@ -94,6 +94,7 @@ tui = "0.19.0"
 typed-builder = "0.10.0"
 unicode-segmentation = "1.10.0"
 unicode-width = "0.1.10"
+gethostname = "0.4.1"
 
 [target.'cfg(unix)'.dependencies]
 libc = "0.2.124"

sample_configs/default_config.toml

@@ -61,6 +61,8 @@
 #mem_as_value = false
 # Show tree mode by default in the processes widget.
 #tree = false
+# Set terminal name to hostname
+#title_has_hostname = false
 # Shows an indicator in table widgets tracking where in the list you are.
 #show_table_scroll_position = false
 # Show processes as their commands by default in the process widget.

src/bin/main.rs

@@ -27,7 +27,7 @@ use bottom::{
 use crossterm::{
     event::{EnableBracketedPaste, EnableMouseCapture},
     execute,
-    terminal::{enable_raw_mode, EnterAlternateScreen},
+    terminal::{enable_raw_mode, EnterAlternateScreen, SetTitle},
 };
 use tui::{backend::CrosstermBackend, Terminal};
 
@@ -42,7 +42,7 @@ fn main() -> Result<()> {
     check_if_terminal();
 
     // Read from config file.
-    let config_path = read_config(matches.value_of("config_location"))
+    let config_path = read_config(matches.get_one::<String>("config_location"))
         .context("Unable to access the given config file location.")?;
     let mut config: Config = create_or_get_config(&config_path)
         .context("Unable to properly parse or create the config file.")?;
@@ -123,8 +123,13 @@ fn main() -> Result<()> {
         stdout_val,
         EnterAlternateScreen,
         EnableMouseCapture,
-        EnableBracketedPaste
+        EnableBracketedPaste,
     )?;
+
+    if let Some(hostname) = get_use_terminal_name(&matches, &config) {
+        execute!(stdout_val, SetTitle(hostname),)?;
+    }
+
     enable_raw_mode()?;
 
     let mut terminal = Terminal::new(CrosstermBackend::new(stdout_val))?;

src/clap.rs

@@ -1,3 +1,4 @@
+use clap::builder::PossibleValuesParser;
 use clap::*;
 
 const TEMPLATE: &str = "\
@@ -237,14 +238,14 @@ pub fn build_app() -> Command<'static> {
         .long("color")
         .takes_value(true)
         .value_name("COLOR SCHEME")
-        .possible_values([
+        .value_parser(PossibleValuesParser::new([
             "default",
             "default-light",
             "gruvbox",
             "gruvbox-light",
             "nord",
             "nord-light",
-        ])
+        ]))
         .hide_possible_values(true)
         .help("Use a color scheme, use --help for info.")
         .long_help(
@@ -338,6 +339,10 @@ use CPU (3) as the default instead.
         .help("The amount in ms changed upon zooming.")
         .long_help("The amount of time in milliseconds changed when zooming in/out. The minimum is 1s (1000), and defaults to 15s (15000).");
 
+    let title = Arg::new("title")
+        .long("title")
+        .help("Sets the title of the current terminal to \"btm ($hostname)\".");
+
     let tree = Arg::new("tree")
         .short('T')
         .long("tree")
@@ -410,6 +415,7 @@ use CPU (3) as the default instead.
         .arg(rate)
         .arg(regex)
         .arg(time_delta)
+        .arg(title)
         .arg(tree)
         .arg(network_use_bytes)
         .arg(network_use_log)

src/lib.rs

@@ -199,7 +199,7 @@ pub fn handle_key_event_or_break(
     false
 }
 
-pub fn read_config(config_location: Option<&str>) -> error::Result<Option<PathBuf>> {
+pub fn read_config(config_location: Option<&String>) -> error::Result<Option<PathBuf>> {
     let config_path = if let Some(conf_loc) = config_location {
         Some(PathBuf::from(conf_loc))
     } else if cfg!(target_os = "windows") {