synd-term 0.3.2

terminal feed viewer
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

use ratatui::{
    buffer::Buffer,
    prelude::{Constraint, Direction, Layout, Rect},
};

pub(super) trait RectExt {
    /// Create centered Rect
    fn centered(self, percent_x: u16, percent_y: u16) -> Rect;

    /// Reset this area
    fn reset(&self, buf: &mut Buffer);
}

impl RectExt for Rect {
    fn centered(self, percent_x: u16, percent_y: u16) -> Rect {
        // get vertically centered rect
        let layout = Layout::default()
            .direction(Direction::Vertical)
            .constraints([
                Constraint::Percentage((100 - percent_y) / 2),
                Constraint::Percentage(percent_y),
                Constraint::Percentage((100 - percent_y) / 2),
            ])
            .split(self);

        // then centered horizontally
        Layout::default()
            .direction(Direction::Horizontal)
            .constraints([
                Constraint::Percentage((100 - percent_x) / 2),
                Constraint::Percentage(percent_x),
                Constraint::Percentage((100 - percent_x) / 2),
            ])
            .split(layout[1])[1]
    }

    fn reset(&self, buf: &mut Buffer) {
        for x in self.x..(self.x + self.width) {
            for y in self.y..(self.y + self.height) {
                buf.cell_mut((x, y)).unwrap().reset();
            }
        }
    }
}