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use tui::buffer::Buffer;
use tui::layout::Rect;
use tui::style::{Modifier, Style};
use tui::text::{Span, Spans};
use tui::widgets::{Paragraph, Widget, Wrap};
use unicode_width::UnicodeWidthStr;
pub struct TuiTabBar<'a> {
name: &'a str,
curr: usize,
len: usize,
}
impl<'a> TuiTabBar<'a> {
pub fn new(name: &'a str, curr: usize, len: usize) -> Self {
Self { name, curr, len }
}
}
impl<'a> Widget for TuiTabBar<'a> {
fn render(self, area: Rect, buf: &mut Buffer) {
let selected = Style::default().add_modifier(Modifier::REVERSED);
let str1 = format!("{}/{}", self.curr + 1, self.len);
let str2 = {
let space_avail = if str1.width() >= area.width as usize {
0
} else {
area.width as usize - str1.len()
};
if space_avail >= self.name.width() {
self.name
} else {
"…"
}
};
let text = Spans::from(vec![
Span::styled(str1, selected),
Span::styled(": ", selected),
Span::styled(str2, selected),
]);
Paragraph::new(text)
.wrap(Wrap { trim: true })
.render(area, buf);
}
}
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