medius 2.1.0

Host control library for the medius transparent mouse passthrough box
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
134
135
136
137
138
139
140
141
142

use crate::link::reconcile::DesiredState;
use crate::types::{Action, Button, Key, MediaKey};

#[test]
fn default_is_idle() {
    let d = DesiredState::default();
    assert!(d.is_idle());
    assert_eq!(d.held().count(), 0);
}

#[test]
fn press_is_held_and_non_idle() {
    let mut d = DesiredState::default();
    d.apply(Button::Left, Action::Press);
    assert!(!d.is_idle());
    assert_eq!(
        d.held().collect::<Vec<_>>(),
        vec![(Button::Left, Action::Press)]
    );
}

#[test]
fn force_release_is_held() {
    let mut d = DesiredState::default();
    d.apply(Button::Right, Action::ForceRelease);
    assert!(!d.is_idle());
    assert_eq!(
        d.held().collect::<Vec<_>>(),
        vec![(Button::Right, Action::ForceRelease)]
    );
}

#[test]
fn soft_release_clears_the_override() {
    let mut d = DesiredState::default();
    d.apply(Button::Middle, Action::Press);
    d.apply(Button::Middle, Action::SoftRelease);
    assert!(d.is_idle());
}

#[test]
fn clear_resets_all() {
    let mut d = DesiredState::default();
    d.apply(Button::Left, Action::Press);
    d.apply(Button::Side2, Action::ForceRelease);
    assert!(!d.is_idle());
    d.clear();
    assert!(d.is_idle());
    assert_eq!(d.held().count(), 0);
}

#[test]
fn held_preserves_button_identity_in_order() {
    let mut d = DesiredState::default();
    d.apply(Button::Left, Action::Press);
    d.apply(Button::Side1, Action::ForceRelease);
    assert_eq!(
        d.held().collect::<Vec<_>>(),
        vec![
            (Button::Left, Action::Press),
            (Button::Side1, Action::ForceRelease),
        ]
    );
}

#[test]
fn key_press_is_held_and_non_idle() {
    let mut d = DesiredState::default();
    d.apply_key(Key::A, Action::Press);
    assert!(!d.is_idle());
    assert_eq!(
        d.held_keys().collect::<Vec<_>>(),
        vec![(Key::A, Action::Press)]
    );
}

#[test]
fn key_soft_release_clears_the_override() {
    let mut d = DesiredState::default();
    d.apply_key(Key::LEFT_SHIFT, Action::Press);
    d.apply_key(Key::LEFT_SHIFT, Action::SoftRelease);
    assert!(d.is_idle());
    assert_eq!(d.held_keys().count(), 0);
}

#[test]
fn held_keys_preserved_in_usage_order() {
    let mut d = DesiredState::default();
    d.apply_key(Key::ENTER, Action::Press); // 0x28
    d.apply_key(Key::A, Action::ForceRelease); // 0x04, orders first
    assert_eq!(
        d.held_keys().collect::<Vec<_>>(),
        vec![(Key::A, Action::ForceRelease), (Key::ENTER, Action::Press),]
    );
}

#[test]
fn media_press_is_held() {
    let mut d = DesiredState::default();
    d.apply_media(MediaKey::VOLUME_UP, Action::Press);
    assert!(!d.is_idle());
    assert_eq!(
        d.held_media().collect::<Vec<_>>(),
        vec![(MediaKey::VOLUME_UP, Action::Press)]
    );
}

#[test]
fn media_soft_release_clears_the_override() {
    let mut d = DesiredState::default();
    d.apply_media(MediaKey::MUTE, Action::Press);
    d.apply_media(MediaKey::MUTE, Action::SoftRelease);
    assert!(d.is_idle());
}

#[test]
fn clear_resets_buttons_keys_and_media_together() {
    // The reconnect-reapply path can hold all three classes at once; clear must drop every one.
    let mut d = DesiredState::default();
    d.apply(Button::Left, Action::Press);
    d.apply_key(Key::A, Action::Press);
    d.apply_media(MediaKey::VOLUME_UP, Action::Press);
    assert!(!d.is_idle());
    assert_eq!(d.held().count(), 1);
    assert_eq!(d.held_keys().count(), 1);
    assert_eq!(d.held_media().count(), 1);
    d.clear();
    assert!(d.is_idle());
    assert_eq!(d.held_keys().count() + d.held_media().count(), 0);
}

#[test]
fn idle_requires_every_class_empty() {
    // A held key alone keeps the state non-idle so reconnect reapplies it (not just buttons).
    let mut d = DesiredState::default();
    d.apply_key(Key::ESCAPE, Action::Press);
    assert!(!d.is_idle());
    d.apply_key(Key::ESCAPE, Action::SoftRelease);
    assert!(d.is_idle());
    d.apply_media(MediaKey::PLAY_PAUSE, Action::ForceRelease);
    assert!(!d.is_idle());
}