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use crate::compositor::{Component, Context};
use helix_view::graphics::{Margin, Rect};
use helix_view::info::Info;
use tui::buffer::Buffer as Surface;
use tui::widgets::{Block, Borders, Paragraph, Widget};
impl Component for Info {
fn render(&mut self, viewport: Rect, surface: &mut Surface, cx: &mut Context) {
let text_style = cx.editor.theme.get("ui.text.info");
let popup_style = cx.editor.theme.get("ui.popup.info");
// 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 = self.width + 2 + 2; // +2 for border, +2 for margin
let height = self.height + 2; // +2 for border
let area = viewport.intersection(Rect::new(
viewport.width.saturating_sub(width),
viewport.height.saturating_sub(height + 2), // +2 for statusline
width,
height,
));
surface.clear_with(area, popup_style);
let block = Block::default()
.title(self.title.as_str())
.borders(Borders::ALL)
.border_style(popup_style);
let margin = Margin {
vertical: 0,
horizontal: 1,
};
let inner = block.inner(area).inner(&margin);
block.render(area, surface);
Paragraph::new(self.text.as_str())
.style(text_style)
.render(inner, surface);
}
}
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