md_tui/util/
keys.rs

1use std::sync::LazyLock;
2
3use config::{Config, Environment, File};
4use crossterm::event::KeyCode;
5
6pub enum Action {
7    Up,
8    Down,
9    PageUp,
10    PageDown,
11    HalfPageUp,
12    HalfPageDown,
13    Search,
14    SelectLink,
15    SelectLinkAlt,
16    SearchNext,
17    SearchPrevious,
18    Edit,
19    Hover,
20    Enter,
21    Escape,
22    ToTop,
23    ToBottom,
24    Help,
25    Back,
26    ToFileTree,
27    Sort,
28    None,
29}
30
31#[derive(Debug)]
32pub struct KeyConfig {
33    pub up: char,
34    pub down: char,
35    pub page_up: char,
36    pub page_down: char,
37    pub half_page_up: char,
38    pub half_page_down: char,
39    pub search: char,
40    pub search_next: char,
41    pub search_previous: char,
42    pub select_link: char,
43    pub select_link_alt: char,
44    pub edit: char,
45    pub hover: char,
46    pub top: char,
47    pub bottom: char,
48    pub back: char,
49    pub file_tree: char,
50    pub sort: char,
51}
52
53#[must_use]
54pub fn key_to_action(key: KeyCode) -> Action {
55    match key {
56        KeyCode::Char(c) => {
57            if c == KEY_CONFIG.up {
58                return Action::Up;
59            }
60
61            if c == KEY_CONFIG.down {
62                return Action::Down;
63            }
64
65            if c == KEY_CONFIG.page_up {
66                return Action::PageUp;
67            }
68
69            if c == KEY_CONFIG.page_down {
70                return Action::PageDown;
71            }
72
73            if c == KEY_CONFIG.half_page_up {
74                return Action::HalfPageUp;
75            }
76
77            if c == KEY_CONFIG.half_page_down {
78                return Action::HalfPageDown;
79            }
80
81            if c == KEY_CONFIG.search || c == '/' {
82                return Action::Search;
83            }
84
85            if c == KEY_CONFIG.select_link {
86                return Action::SelectLink;
87            }
88
89            if c == KEY_CONFIG.select_link_alt {
90                return Action::SelectLinkAlt;
91            }
92
93            if c == KEY_CONFIG.search_next {
94                return Action::SearchNext;
95            }
96
97            if c == KEY_CONFIG.search_previous {
98                return Action::SearchPrevious;
99            }
100
101            if c == KEY_CONFIG.edit {
102                return Action::Edit;
103            }
104
105            if c == KEY_CONFIG.hover {
106                return Action::Hover;
107            }
108
109            if c == KEY_CONFIG.top {
110                return Action::ToTop;
111            }
112
113            if c == KEY_CONFIG.bottom {
114                return Action::ToBottom;
115            }
116
117            if c == KEY_CONFIG.back {
118                return Action::Back;
119            }
120
121            if c == KEY_CONFIG.file_tree {
122                return Action::ToFileTree;
123            }
124
125            if c == KEY_CONFIG.sort {
126                return Action::Sort;
127            }
128
129            if c == '?' {
130                return Action::Help;
131            }
132
133            Action::None
134        }
135        KeyCode::Up => Action::Up,
136        KeyCode::Down => Action::Down,
137        KeyCode::PageUp => Action::PageUp,
138        KeyCode::PageDown => Action::PageDown,
139        KeyCode::Right => Action::PageDown,
140        KeyCode::Left => Action::PageUp,
141        KeyCode::Enter => Action::Enter,
142        KeyCode::Esc => Action::Escape,
143        _ => Action::None,
144    }
145}
146
147pub static KEY_CONFIG: LazyLock<KeyConfig> = LazyLock::new(|| {
148    let config_dir = dirs::home_dir().unwrap();
149    let config_file = config_dir.join(".config").join("mdt").join("config.toml");
150    let settings = Config::builder()
151        .add_source(File::with_name(config_file.to_str().unwrap()).required(false))
152        .add_source(Environment::with_prefix("MDT").separator("_"))
153        .build()
154        .unwrap();
155
156    KeyConfig {
157        up: settings.get::<char>("up").unwrap_or('k'),
158        down: settings.get::<char>("down").unwrap_or('j'),
159        page_up: settings.get::<char>("page_up").unwrap_or('u'),
160        page_down: settings.get::<char>("page_down").unwrap_or('d'),
161        half_page_up: settings.get::<char>("half_page_up").unwrap_or('h'),
162        half_page_down: settings.get::<char>("half_page_down").unwrap_or('l'),
163        search: settings.get::<char>("search").unwrap_or('f'),
164        select_link: settings.get::<char>("select_link").unwrap_or('s'),
165        select_link_alt: settings.get::<char>("select_link_alt").unwrap_or('S'),
166        search_next: settings.get::<char>("search_next").unwrap_or('n'),
167        search_previous: settings.get::<char>("search_previous").unwrap_or('N'),
168        edit: settings.get::<char>("edit").unwrap_or('e'),
169        hover: settings.get::<char>("hover").unwrap_or('K'),
170        top: settings.get::<char>("top").unwrap_or('g'),
171        bottom: settings.get::<char>("bottom").unwrap_or('G'),
172        back: settings.get::<char>("back").unwrap_or('b'),
173        file_tree: settings.get::<char>("file_tree").unwrap_or('t'),
174        sort: settings.get::<char>("sort").unwrap_or('o'),
175    }
176});
md_tui/util/keys.rs

md_tui/util/
keys.rs
