forked from Mirrors/helix
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43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
use crate::compositor::{Component, Context};
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use tui::buffer::Buffer as Surface;
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use helix_view::graphics::Rect;
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pub struct Text {
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contents: String,
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size: (u16, u16),
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viewport: (u16, u16),
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}
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impl Text {
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pub fn new(contents: String) -> Self {
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Self {
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contents,
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size: (0, 0),
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viewport: (0, 0),
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}
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}
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}
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impl Component for Text {
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fn render(&mut self, area: Rect, surface: &mut Surface, _cx: &mut Context) {
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use tui::widgets::{Paragraph, Widget, Wrap};
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let contents = tui::text::Text::from(self.contents.clone());
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let par = Paragraph::new(contents).wrap(Wrap { trim: false });
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// .scroll(x, y) offsets
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par.render(area, surface);
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}
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fn required_size(&mut self, viewport: (u16, u16)) -> Option<(u16, u16)> {
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if viewport != self.viewport {
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let contents = tui::text::Text::from(self.contents.clone());
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let width = std::cmp::min(contents.width() as u16, viewport.0);
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let height = std::cmp::min(contents.height() as u16, viewport.1);
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self.size = (width, height);
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self.viewport = viewport;
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}
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Some(self.size)
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}
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}
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