rtlibs-tui 0.1.5

rtools library: ratatui widgets
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

use ratatui::buffer::Buffer;
use ratatui::layout::Rect;
use ratatui::style::Style;
use ratatui::widgets::Block;
use ratatui::widgets::Clear;
use ratatui::widgets::Paragraph;
use ratatui::widgets::StatefulWidget;
use ratatui::widgets::Widget;

use super::StatusBarPosition;
use super::StatusBarState;

pub struct StatusBarWidget
{
    style: Style,
}

impl std::default::Default for StatusBarWidget
{
    fn default() -> Self
    {
        Self::new()
    }
}

impl StatusBarWidget
{
    pub fn new() -> Self
    {
        Self {
            style: Style::default(),
        }
    }

    pub fn style<S: Into<Style>>(
        mut self,
        style: S,
    ) -> Self
    {
        self.style = style.into();
        self
    }
}

impl StatefulWidget for StatusBarWidget
{
    type State = StatusBarState;

    fn render(
        self,
        area: Rect,
        buf: &mut Buffer,
        state: &mut Self::State,
    )
    {
        Clear.render(
            area, buf,
        );

        Block::new()
            .style(self.style)
            .render(
                area, buf,
            );

        let mut current_left = 1u16;
        let mut current_right = area.width - 1;

        for item in state
            .items
            .iter()
        {
            if let Some(value) = item
                .value
                .as_ref()
            {
                let mut text = value.clone();

                let mut value_width = value
                    .chars()
                    .count();

                if let Some(max_width) = item.max_width
                {
                    if value_width > max_width
                    {
                        value_width = max_width;
                        let (new_text, _) = text.split_at(max_width);
                        text = new_text.to_string();
                    }
                }

                let mut item_area = area;
                match item.position
                {
                    StatusBarPosition::Right =>
                    {
                        current_right -= value_width as u16;
                        item_area.x = current_right;
                        current_right -= 2;
                    }
                    StatusBarPosition::Left =>
                    {
                        item_area.x = current_left;
                        current_left += value_width as u16;
                        current_left += 2;
                    }
                }

                Paragraph::new(text.as_str()).render(
                    item_area, buf,
                );
            }
        }
    }
}