add configuration

Cargo.toml

@@ -20,6 +20,9 @@ sysinfo = "0.31"
 listeners = "0.2.1"
 chrono = "0.4"
 clap = { version = "4.5", features = ["derive"] }
+directories = "5.0"
+toml = "0.8"
+serde = { version = "1.0", features = ["derive"] }
 fuzzy-matcher = "0.3.7"
 
 [dev-dependencies]

README.md

@@ -88,6 +88,12 @@ cargo binstall pik
 
 ## Configuration
 
+### Application configuration
+
+You may set your preferences in `pik.toml` file located in `~/.config/pik` directory.
+All options are optional, if skipped default values will be used.
+Example configuration with default settings can be found at [example config](example_config.toml)
+
 ### Key maps
 
 - Esc | Ctrl + C - Quit

example_config.toml

@@ -0,0 +1,3 @@
+# Size of the viewport
+screen_size = { height = 20 } # run pik in 20 lines of the terminal
+# screen_size = "fullscreen" # run pik in fullscreen

src/args.rs

@@ -1,11 +1,13 @@
-use clap::Parser;
+use clap::{Args, Parser};
+
+use crate::config;
 
 #[derive(Parser, Debug)]
 #[command(version, about, long_about = Some("Pik is a simple TUI tool for searching and killing processes in interactive way."))]
-pub struct Args {
+pub struct CliArgs {
     #[clap(
         default_value = "",
-        help = r#"Query string for searching processes. By default, all processes are searched.
+        help = r#"Query string for searching processes.
         You may use special prefix for different kind of search:
         - :<port> - search by port, i.e ':8080'
         - /<path> - search by command path, i.e. '/home/user/bin'
@@ -17,10 +19,19 @@ pub struct Args {
     #[arg(short = 't', long, default_value_t = false)]
     pub include_threads_processes: bool,
     /// By default pik shows only proceseses owned by current user. This flag allows to show all processes
-    #[arg(short, long, default_value_t = false)]
-    pub all_processes: bool,
+    #[arg(short = 'a', long, default_value_t = false)]
+    pub include_other_users_processes: bool,
+    #[command(flatten)]
+    pub screen_size: Option<ScreenSizeOptions>,
+}
+
+#[derive(Args, Debug, Clone, Copy)]
+#[group(required = false, multiple = false)]
+pub struct ScreenSizeOptions {
+    /// Start pik in fullscreen mode
     #[arg(short = 'F', long, default_value_t = false)]
     pub fullscreen: bool,
-    #[arg(short = 'H', long, default_value_t = 20)]
+    /// Number of lines of the screen pik will use
+    #[arg(short = 'H', long, default_value_t = config::DEFAULT_SCREEN_SIZE)]
     pub height: u16,
 }