monitr 0.3.41

A lightweight macOS activity monitor TUI built with Rust and Ratatui
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144

use std::{fs, path::PathBuf, time::Duration};

use serde::{Deserialize, Serialize};

use crate::app::{SortKey, Tab};

const CONFIG_VERSION: u32 = 1;

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Preferences {
    version: u32,
    pub tab: String,
    pub sort_key: String,
    pub sort_desc: bool,
    pub show_details: bool,
    pub overview_visible: bool,
    pub interval_ms: u64,
    pub filter: String,
    pub compact_mode: bool,
}

impl Default for Preferences {
    fn default() -> Self {
        Self {
            version: CONFIG_VERSION,
            tab: "Cpu".to_string(),
            sort_key: "Cpu".to_string(),
            sort_desc: true,
            show_details: true,
            overview_visible: true,
            interval_ms: 1_000,
            filter: String::new(),
            compact_mode: false,
        }
    }
}

impl Preferences {
    pub fn load() -> Self {
        let path = match config_path() {
            Some(p) => p,
            None => return Self::default(),
        };
        if !path.exists() {
            return Self::default();
        }
        match fs::read_to_string(&path) {
            Ok(data) => match serde_json::from_str::<Preferences>(&data) {
                Ok(prefs) => prefs.migrate(),
                Err(_) => Self::default(),
            },
            Err(_) => Self::default(),
        }
    }

    pub fn save(&self) {
        let Some(path) = config_path() else {
            return;
        };
        if let Some(parent) = path.parent() {
            let _ = fs::create_dir_all(parent);
        }
        let _ = fs::write(&path, serde_json::to_string_pretty(self).unwrap_or_default());
    }

    fn migrate(mut self) -> Self {
        if self.version < CONFIG_VERSION {
            self.version = CONFIG_VERSION;
        }
        self
    }

    pub fn apply_tab(&self) -> Tab {
        match self.tab.as_str() {
            "Cpu" => Tab::Cpu,
            "Memory" => Tab::Memory,
            "Energy" => Tab::Energy,
            "Disk" => Tab::Disk,
            "Network" => Tab::Network,
            "Movers" => Tab::Movers,
            _ => Tab::Cpu,
        }
    }

    pub fn apply_sort_key(&self) -> SortKey {
        match self.sort_key.as_str() {
            "Cpu" => SortKey::Cpu,
            "Memory" => SortKey::Memory,
            "Energy" => SortKey::Energy,
            "DiskRead" => SortKey::DiskRead,
            "DiskWrite" => SortKey::DiskWrite,
            "NetworkIn" => SortKey::NetworkIn,
            "NetworkOut" => SortKey::NetworkOut,
            "Trend" => SortKey::Trend,
            "Name" => SortKey::Name,
            "Pid" => SortKey::Pid,
            "User" => SortKey::User,
            "Runtime" => SortKey::Runtime,
            _ => SortKey::Cpu,
        }
    }

    pub fn from_app(app: &PreferencesSource) -> Self {
        Self {
            version: CONFIG_VERSION,
            tab: app.tab.title().to_string(),
            sort_key: app
                .sort_key
                .title()
                .replace("% CPU", "Cpu")
                .replace("Impact", "Energy")
                .trim()
                .to_string(),
            sort_desc: app.sort_desc,
            show_details: app.show_details,
            overview_visible: app.overview_visible,
            interval_ms: app.interval.as_millis() as u64,
            filter: app.filter.clone(),
            compact_mode: app.compact_mode,
        }
    }
}

pub struct PreferencesSource {
    pub tab: Tab,
    pub sort_key: SortKey,
    pub sort_desc: bool,
    pub show_details: bool,
    pub overview_visible: bool,
    pub interval: Duration,
    pub filter: String,
    pub compact_mode: bool,
}

fn config_path() -> Option<PathBuf> {
    let home = std::env::var("HOME").ok()?;
    Some(
        PathBuf::from(home)
            .join("Library")
            .join("Application Support")
            .join("monitr")
            .join("config.json"),
    )
}