jjj 0.2.0

A modal interface for Jujutsu.
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

use std::time::Duration;

use bevy::prelude::*;
use ratatui::prelude::{Rect, *};

use super::prelude::*;

#[derive(Deref, Event)]
pub struct NotificationEvent(pub Notification);

pub fn plugin(app: &mut App) {
    trace!("Initializing plugin...");

    app.register_type::<NotificationTimeoutTimer>();
    app.init_resource::<NotificationTimeoutTimer>();

    app.add_systems(
        Update,
        (
            NotificationTimeoutTimer::tick.in_set(AppSet::TickTimers),
            (
                NotificationTimeoutTimer::dismiss_notification.pipe(errors::forward),
                listen_for_notifications.pipe(errors::forward),
            )
                .in_set(AppSet::Update),
        )
            .run_if(in_state(Screen::Interface)),
    );

    trace!("Plugin initialized.");
}

#[derive(Component, Default)]
pub struct CommandLine {
    pub active_notification: Option<Notification>,
}

#[tracing::instrument(skip_all)]
fn listen_for_notifications(
    mut notification_timeout: ResMut<NotificationTimeoutTimer>,
    mut notification_events: EventReader<NotificationEvent>,
    mut command_line: Query<&mut CommandLine>,
) -> Result<()> {
    let mut command_line = command_line.get_single_mut()?;

    for event in notification_events.read() {
        debug!("Received notification: {:?}", event.0);
        command_line.active_notification = Some(event.0.clone());
        notification_timeout.unpause();
        notification_timeout.reset();
    }

    Ok(())
}

const NOTIFICATION_TIMEOUT: Duration = Duration::from_secs(5);

#[derive(Deref, DerefMut, Reflect, Resource)]
struct NotificationTimeoutTimer(Timer);

impl NotificationTimeoutTimer {
    pub fn tick(mut timer: ResMut<Self>, time: Res<Time>) {
        timer.tick(time.delta());
    }

    #[tracing::instrument(skip_all)]
    pub fn dismiss_notification(
        mut command_line: Query<&mut CommandLine>,
        timer: Res<Self>,
    ) -> Result<()> {
        let mut command_line = command_line.get_single_mut()?;

        if timer.just_finished() {
            debug!("Dismissed notification.");
            command_line.active_notification = None;
        }

        Ok(())
    }
}

impl Default for NotificationTimeoutTimer {
    fn default() -> Self {
        let mut timer = Timer::new(NOTIFICATION_TIMEOUT, TimerMode::Once);
        timer.pause();
        Self(timer)
    }
}

#[derive(Clone, Debug)]
pub struct Notification {
    pub message: String,
    pub angry: bool,
}

impl NotificationEvent {
    pub fn new(message: String) -> Self {
        Self(Notification {
            message,
            angry: false,
        })
    }

    pub fn angry(message: String) -> Self {
        Self(Notification {
            message,
            angry: true,
        })
    }
}

impl Widget for &CommandLine {
    fn render(self, area: Rect, buf: &mut Buffer)
    where
        Self: Sized,
    {
        if let Some(notification) = &self.active_notification {
            let span = if notification.angry {
                Span::styled(
                    notification.message.clone(),
                    Style::default().fg(Color::Red),
                )
            } else {
                Span::from(notification.message.clone())
            };

            span.render(area, buf);
        }
    }
}