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use crate::compositor::{Component, Context};
use helix_view::graphics::Rect;
use helix_view::info::Info;
use tui::buffer::Buffer as Surface;
use tui::widgets::{Block, Borders, Widget};
impl Component for Info {
fn render(&self, viewport: Rect, surface: &mut Surface, cx: &mut Context) {
let style = cx.editor.theme.get("ui.popup");
// Calculate the area of the terminal to modify. Because we want to
// render at the bottom right, we use the viewport's width and height
// which evaluate to the most bottom right coordinate.
let (width, height) = (self.width + 2, self.height + 2);
let area = viewport.intersection(Rect::new(
viewport.width.saturating_sub(width),
viewport.height.saturating_sub(height + 2),
width,
height,
));
surface.clear_with(area, style);
let block = Block::default()
.title(self.title.as_str())
.borders(Borders::ALL)
.border_style(style);
let inner = block.inner(area);
block.render(area, surface);
// Only write as many lines as there are rows available.
for (y, line) in (inner.y..)
.zip(self.text.lines())
.take(inner.height as usize)
{
surface.set_string(inner.x, y, line, style);
}
}
}
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