815ee9e334
* fix small terminal size panic with info popup * remove unused enumerator * fix subtraction overflow panic
38 lines
1.3 KiB
Rust
38 lines
1.3 KiB
Rust
use crate::compositor::{Component, Context};
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use helix_view::graphics::Rect;
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use helix_view::info::Info;
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use tui::buffer::Buffer as Surface;
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use tui::widgets::{Block, Borders, Widget};
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impl Component for Info {
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fn render(&self, viewport: Rect, surface: &mut Surface, cx: &mut Context) {
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let style = cx.editor.theme.get("ui.popup");
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// Calculate the area of the terminal to modify. Because we want to
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// render at the bottom right, we use the viewport's width and height
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// which evaluate to the most bottom right coordinate.
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let (width, height) = (self.width + 2, self.height + 2);
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let area = viewport.intersection(Rect::new(
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viewport.width.saturating_sub(width),
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viewport.height.saturating_sub(height + 2),
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width,
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height,
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));
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surface.clear_with(area, style);
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let block = Block::default()
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.title(self.title.as_str())
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.borders(Borders::ALL)
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.border_style(style);
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let inner = block.inner(area);
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block.render(area, surface);
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// Only write as many lines as there are rows available.
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for (y, line) in (inner.y..)
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.zip(self.text.lines())
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.take(inner.height as usize)
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{
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surface.set_string(inner.x, y, line, style);
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}
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}
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}
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