oo-ide 0.0.4

∞ is a terminal IDE focused on low distraction, high usability.
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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133

use crate::prelude::*;

use input::{Key, Modifiers};

#[derive(Debug, Clone, Copy, Hash, PartialEq, Eq)]
pub struct KeyEvent {
    pub modifiers: Modifiers,
    pub key: Key,
}

impl TryFrom<crossterm::event::KeyEvent> for KeyEvent {
    type Error = ();

    fn try_from(event: crossterm::event::KeyEvent) -> Result<Self, Self::Error> {
        Ok(KeyEvent {
            modifiers: event.modifiers.into(),
            key: Key::try_from(event.code)?,
        })
    }
}

impl std::fmt::Display for KeyEvent {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        if self.modifiers.is_empty() {
            write!(f, "{}", self.key)
        } else {
            write!(f, "{}+{}", self.modifiers, self.key)
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crossterm::event::{KeyCode, KeyModifiers};

    fn ct_key(
        code: KeyCode,
        mods: KeyModifiers,
    ) -> crossterm::event::KeyEvent {
        crossterm::event::KeyEvent::new(code, mods)
    }

    // --- TryFrom ---
    #[test]
    fn try_from_char_no_mods() {
        let ev = KeyEvent::try_from(ct_key(KeyCode::Char('a'), KeyModifiers::empty()))
            .unwrap();
        assert_eq!(ev.key, Key::Char('a'));
        assert!(ev.modifiers.is_empty());
    }

    #[test]
    fn try_from_char_with_ctrl() {
        let ev =
            KeyEvent::try_from(ct_key(KeyCode::Char('s'), KeyModifiers::CONTROL)).unwrap();
        assert_eq!(ev.key, Key::Char('s'));
        assert!(ev.modifiers.contains(Modifiers::CTRL));
    }

    #[test]
    fn try_from_enter_with_shift() {
        let ev = KeyEvent::try_from(ct_key(KeyCode::Enter, KeyModifiers::SHIFT)).unwrap();
        assert_eq!(ev.key, Key::Enter);
        assert!(ev.modifiers.contains(Modifiers::SHIFT));
    }

    #[test]
    fn try_from_unknown_key_is_err() {
        assert!(
            KeyEvent::try_from(ct_key(KeyCode::Null, KeyModifiers::empty())).is_err()
        );
    }

    // --- Display ---
    #[test]
    fn display_no_modifiers() {
        let ev = KeyEvent {
            modifiers: Modifiers::empty(),
            key: Key::Enter,
        };
        assert_eq!(ev.to_string(), "Enter");
    }

    #[test]
    fn display_ctrl_modifier() {
        let ev = KeyEvent {
            modifiers: Modifiers::CTRL,
            key: Key::Char('s'),
        };
        assert_eq!(ev.to_string(), "Ctrl+s");
    }

    #[test]
    fn display_ctrl_shift_modifier() {
        let ev = KeyEvent {
            modifiers: Modifiers::CTRL | Modifiers::SHIFT,
            key: Key::ArrowUp,
        };
        assert_eq!(ev.to_string(), "Ctrl+Shift+ArrowUp");
    }

    #[test]
    fn display_alt_modifier() {
        let ev = KeyEvent {
            modifiers: Modifiers::ALT,
            key: Key::F(4),
        };
        assert_eq!(ev.to_string(), "Alt+F4");
    }

    // --- Derived trait smoke tests ---
    #[test]
    fn key_event_clone_eq() {
        let ev = KeyEvent {
            modifiers: Modifiers::CTRL,
            key: Key::Char('c'),
        };
        assert_eq!(ev.clone(), ev);
    }

    #[test]
    fn key_event_hash() {
        use std::collections::HashSet;
        let ev = KeyEvent {
            modifiers: Modifiers::CTRL,
            key: Key::Char('c'),
        };
        let mut s = HashSet::new();
        s.insert(ev);
        assert!(s.contains(&ev));
    }
}