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    SelectDetails,
17    SearchNext,
18    SearchPrevious,
19    Edit,
20    Hover,
21    Enter,
22    Escape,
23    ToTop,
24    ToBottom,
25    Help,
26    Back,
27    ToFileTree,
28    Sort,
29    None,
30}
31
32#[derive(Debug)]
33pub struct KeyConfig {
34    pub up: char,
35    pub down: char,
36    pub page_up: char,
37    pub page_down: char,
38    pub half_page_up: char,
39    pub half_page_down: char,
40    pub search: char,
41    pub search_next: char,
42    pub search_previous: char,
43    pub select_link: char,
44    pub select_link_alt: char,
45    pub select_details: char,
46    pub edit: char,
47    pub hover: char,
48    pub top: char,
49    pub bottom: char,
50    pub back: char,
51    pub file_tree: char,
52    pub sort: char,
53}
54
55#[must_use]
56pub fn key_to_action(key: KeyCode) -> Action {
57    match key {
58        KeyCode::Char(c) => {
59            if c == KEY_CONFIG.up {
60                return Action::Up;
61            }
62
63            if c == KEY_CONFIG.down {
64                return Action::Down;
65            }
66
67            if c == KEY_CONFIG.page_up {
68                return Action::PageUp;
69            }
70
71            if c == KEY_CONFIG.page_down {
72                return Action::PageDown;
73            }
74
75            if c == KEY_CONFIG.half_page_up {
76                return Action::HalfPageUp;
77            }
78
79            if c == KEY_CONFIG.half_page_down {
80                return Action::HalfPageDown;
81            }
82
83            if c == KEY_CONFIG.search || c == '/' {
84                return Action::Search;
85            }
86
87            if c == KEY_CONFIG.select_link {
88                return Action::SelectLink;
89            }
90
91            if c == KEY_CONFIG.select_link_alt {
92                return Action::SelectLinkAlt;
93            }
94
95            if c == KEY_CONFIG.select_details {
96                return Action::SelectDetails;
97            }
98
99            if c == KEY_CONFIG.search_next {
100                return Action::SearchNext;
101            }
102
103            if c == KEY_CONFIG.search_previous {
104                return Action::SearchPrevious;
105            }
106
107            if c == KEY_CONFIG.edit {
108                return Action::Edit;
109            }
110
111            if c == KEY_CONFIG.hover {
112                return Action::Hover;
113            }
114
115            if c == KEY_CONFIG.top {
116                return Action::ToTop;
117            }
118
119            if c == KEY_CONFIG.bottom {
120                return Action::ToBottom;
121            }
122
123            if c == KEY_CONFIG.back {
124                return Action::Back;
125            }
126
127            if c == KEY_CONFIG.file_tree {
128                return Action::ToFileTree;
129            }
130
131            if c == KEY_CONFIG.sort {
132                return Action::Sort;
133            }
134
135            if c == '?' {
136                return Action::Help;
137            }
138
139            Action::None
140        }
141        KeyCode::Up => Action::Up,
142        KeyCode::Down => Action::Down,
143        KeyCode::PageUp => Action::PageUp,
144        KeyCode::PageDown => Action::PageDown,
145        KeyCode::Right => Action::PageDown,
146        KeyCode::Left => Action::PageUp,
147        KeyCode::Enter => Action::Enter,
148        KeyCode::Esc => Action::Escape,
149        _ => Action::None,
150    }
151}
152
153pub static KEY_CONFIG: LazyLock<KeyConfig> = LazyLock::new(|| {
154    let config_dir = dirs::home_dir().unwrap();
155    let config_file = config_dir.join(".config").join("mdt").join("config.toml");
156    let settings = Config::builder()
157        .add_source(File::with_name(config_file.to_str().unwrap()).required(false))
158        .add_source(Environment::with_prefix("MDT").separator("_"))
159        .build()
160        .unwrap();
161
162    KeyConfig {
163        up: settings.get::<char>("up").unwrap_or('k'),
164        down: settings.get::<char>("down").unwrap_or('j'),
165        page_up: settings.get::<char>("page_up").unwrap_or('u'),
166        page_down: settings.get::<char>("page_down").unwrap_or('d'),
167        half_page_up: settings.get::<char>("half_page_up").unwrap_or('h'),
168        half_page_down: settings.get::<char>("half_page_down").unwrap_or('l'),
169        search: settings.get::<char>("search").unwrap_or('f'),
170        select_link: settings.get::<char>("select_link").unwrap_or('s'),
171        select_link_alt: settings.get::<char>("select_link_alt").unwrap_or('S'),
172        select_details: settings.get::<char>("select_details").unwrap_or('D'),
173        search_next: settings.get::<char>("search_next").unwrap_or('n'),
174        search_previous: settings.get::<char>("search_previous").unwrap_or('N'),
175        edit: settings.get::<char>("edit").unwrap_or('e'),
176        hover: settings.get::<char>("hover").unwrap_or('K'),
177        top: settings.get::<char>("top").unwrap_or('g'),
178        bottom: settings.get::<char>("bottom").unwrap_or('G'),
179        back: settings.get::<char>("back").unwrap_or('b'),
180        file_tree: settings.get::<char>("file_tree").unwrap_or('t'),
181        sort: settings.get::<char>("sort").unwrap_or('o'),
182    }
183});
md_tui/util/keys.rs

md_tui/util/
keys.rs
