promkit 0.12.1

A toolkit for building your own interactive command-line tools
Documentation 
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

use crate::{
    core::crossterm::event::{Event, KeyCode, KeyEvent, KeyEventKind, KeyEventState, KeyModifiers},
    preset::query_selector::QuerySelector,
    widgets::text_editor,
    Signal,
};

pub async fn default(event: &Event, ctx: &mut QuerySelector) -> anyhow::Result<Signal> {
    match event {
        // Render for refreshing prompt on resize.
        Event::Resize(width, height) => {
            ctx.render(*width, *height).await?;
        }

        // Quit
        Event::Key(KeyEvent {
            code: KeyCode::Enter,
            modifiers: KeyModifiers::NONE,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        }) => return Ok(Signal::Quit),
        Event::Key(KeyEvent {
            code: KeyCode::Char('c'),
            modifiers: KeyModifiers::CONTROL,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        }) => return Err(anyhow::anyhow!("ctrl+c")),

        // Move cursor.
        Event::Key(KeyEvent {
            code: KeyCode::Left,
            modifiers: KeyModifiers::NONE,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        }) => {
            ctx.readline.texteditor.backward();
        }
        Event::Key(KeyEvent {
            code: KeyCode::Right,
            modifiers: KeyModifiers::NONE,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        }) => {
            ctx.readline.texteditor.forward();
        }
        Event::Key(KeyEvent {
            code: KeyCode::Char('a'),
            modifiers: KeyModifiers::CONTROL,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        }) => ctx.readline.texteditor.move_to_head(),
        Event::Key(KeyEvent {
            code: KeyCode::Char('e'),
            modifiers: KeyModifiers::CONTROL,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        }) => ctx.readline.texteditor.move_to_tail(),

        // Erase char(s).
        Event::Key(KeyEvent {
            code: KeyCode::Backspace,
            modifiers: KeyModifiers::NONE,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        }) => ctx.readline.texteditor.erase(),
        Event::Key(KeyEvent {
            code: KeyCode::Char('u'),
            modifiers: KeyModifiers::CONTROL,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        }) => ctx.readline.texteditor.erase_all(),

        // Move cursor.
        Event::Key(KeyEvent {
            code: KeyCode::Up,
            modifiers: KeyModifiers::NONE,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        }) => {
            ctx.list.listbox.backward();
        }

        Event::Key(KeyEvent {
            code: KeyCode::Down,
            modifiers: KeyModifiers::NONE,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        }) => {
            ctx.list.listbox.forward();
        }

        // Input char.
        Event::Key(KeyEvent {
            code: KeyCode::Char(ch),
            modifiers: KeyModifiers::NONE,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        })
        | Event::Key(KeyEvent {
            code: KeyCode::Char(ch),
            modifiers: KeyModifiers::SHIFT,
            kind: KeyEventKind::Press,
            state: KeyEventState::NONE,
        }) => match ctx.readline.config.edit_mode {
            text_editor::Mode::Insert => ctx.readline.texteditor.insert(*ch),
            text_editor::Mode::Overwrite => ctx.readline.texteditor.overwrite(*ch),
        },

        _ => (),
    }
    Ok(Signal::Continue)
}