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Avoid cloning the whole paragraph content just for rendering (#9739)

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* Avoid cloning the whole paragraph content just for rendering

* Fix tests
This commit is contained in:
Mo 2024-02-27 18:24:05 +01:00 • committed by GitHub
parent 26b3dc29be
commit 00653c772e
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GPG key ID: B5690EEEBB952194
8 changed files with 29 additions and 28 deletions
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3
helix-term/src/ui/editor.rs
View file

@ -716,7 +716,8 @@ impl EditorView {
}
}
let paragraph = Paragraph::new(lines)
let text = Text::from(lines);
let paragraph = Paragraph::new(&text)
.alignment(Alignment::Right)
.wrap(Wrap { trim: true });
let width = 100.min(viewport.width);

3
helix-term/src/ui/info.rs
View file

@ -2,6 +2,7 @@ use crate::compositor::{Component, Context};
use helix_view::graphics::{Margin, Rect};
use helix_view::info::Info;
use tui::buffer::Buffer as Surface;
use tui::text::Text;
use tui::widgets::{Block, Borders, Paragraph, Widget};
impl Component for Info {
@ -31,7 +32,7 @@ impl Component for Info {
let inner = block.inner(area).inner(&margin);
block.render(area, surface);
Paragraph::new(self.text.as_str())
Paragraph::new(&Text::from(self.text.as_str()))
.style(text_style)
.render(inner, surface);
}

4
helix-term/src/ui/lsp.rs
View file

@ -77,7 +77,7 @@ impl Component for SignatureHelp {
let (_, sig_text_height) = crate::ui::text::required_size(&sig_text, area.width);
let sig_text_area = area.clip_top(1).with_height(sig_text_height);
let sig_text_area = sig_text_area.inner(&margin).intersection(surface.area);
let sig_text_para = Paragraph::new(sig_text).wrap(Wrap { trim: false });
let sig_text_para = Paragraph::new(&sig_text).wrap(Wrap { trim: false });
sig_text_para.render(sig_text_area, surface);
if self.signature_doc.is_none() {
@ -100,7 +100,7 @@ impl Component for SignatureHelp {
let sig_doc_area = area
.clip_top(sig_text_area.height + 2)
.clip_bottom(u16::from(cx.editor.popup_border()));
let sig_doc_para = Paragraph::new(sig_doc)
let sig_doc_para = Paragraph::new(&sig_doc)
.wrap(Wrap { trim: false })
.scroll((cx.scroll.unwrap_or_default() as u16, 0));
sig_doc_para.render(sig_doc_area.inner(&margin), surface);

2
helix-term/src/ui/markdown.rs
View file

@ -346,7 +346,7 @@ impl Component for Markdown {
let text = self.parse(Some(&cx.editor.theme));
let par = Paragraph::new(text)
let par = Paragraph::new(&text)
.wrap(Wrap { trim: false })
.scroll((cx.scroll.unwrap_or_default() as u16, 0));

2
helix-term/src/ui/text.rs
View file

@ -33,7 +33,7 @@ impl Component for Text {
fn render(&mut self, area: Rect, surface: &mut Surface, _cx: &mut Context) {
use tui::widgets::{Paragraph, Widget, Wrap};
let par = Paragraph::new(self.contents.clone()).wrap(Wrap { trim: false });
let par = Paragraph::new(&self.contents).wrap(Wrap { trim: false });
// .scroll(x, y) offsets
par.render(area, surface);

19
helix-tui/src/widgets/paragraph.rs
View file

@ -28,15 +28,15 @@ fn get_line_offset(line_width: u16, text_area_width: u16, alignment: Alignment)
/// # use helix_tui::widgets::{Block, Borders, Paragraph, Wrap};
/// # use helix_tui::layout::{Alignment};
/// # use helix_view::graphics::{Style, Color, Modifier};
/// let text = vec![
/// let text = Text::from(vec![
/// Spans::from(vec![
/// Span::raw("First"),
/// Span::styled("line",Style::default().add_modifier(Modifier::ITALIC)),
/// Span::raw("."),
/// ]),
/// Spans::from(Span::styled("Second line", Style::default().fg(Color::Red))),
/// ];
/// Paragraph::new(text)
/// ]);
/// Paragraph::new(&text)
/// .block(Block::default().title("Paragraph").borders(Borders::ALL))
/// .style(Style::default().fg(Color::White).bg(Color::Black))
/// .alignment(Alignment::Center)
@ -51,7 +51,7 @@ pub struct Paragraph<'a> {
/// How to wrap the text
wrap: Option<Wrap>,
/// The text to display
text: Text<'a>,
text: &'a Text<'a>,
/// Scroll
scroll: (u16, u16),
/// Alignment of the text
@ -70,7 +70,7 @@ pub struct Paragraph<'a> {
/// - Here is another point that is long enough to wrap"#);
///
/// // With leading spaces trimmed (window width of 30 chars):
/// Paragraph::new(bullet_points.clone()).wrap(Wrap { trim: true });
/// Paragraph::new(&bullet_points).wrap(Wrap { trim: true });
/// // Some indented points:
/// // - First thing goes here and is
/// // long so that it wraps
@ -78,7 +78,7 @@ pub struct Paragraph<'a> {
/// // is long enough to wrap
///
/// // But without trimming, indentation is preserved:
/// Paragraph::new(bullet_points).wrap(Wrap { trim: false });
/// Paragraph::new(&bullet_points).wrap(Wrap { trim: false });
/// // Some indented points:
/// // - First thing goes here
/// // and is long so that it wraps
@ -92,15 +92,12 @@ pub struct Wrap {
}
impl<'a> Paragraph<'a> {
pub fn new<T>(text: T) -> Paragraph<'a>
where
T: Into<Text<'a>>,
{
pub fn new(text: &'a Text) -> Paragraph<'a> {
Paragraph {
block: None,
style: Default::default(),
wrap: None,
text: text.into(),
text,
scroll: (0, 0),
alignment: Alignment::Left,
}

6
helix-tui/tests/terminal.rs
View file

@ -17,14 +17,16 @@ fn terminal_buffer_size_should_not_be_limited() {
// let backend = TestBackend::new(10, 10);
// let mut terminal = Terminal::new(backend)?;
// let frame = terminal.draw(|f| {
// let paragraph = Paragraph::new("Test");
// let text = Text::from("Test");
// let paragraph = Paragraph::new(&text);
// f.render_widget(paragraph, f.size());
// })?;
// assert_eq!(frame.buffer.get(0, 0).symbol, "T");
// assert_eq!(frame.area, Rect::new(0, 0, 10, 10));
// terminal.backend_mut().resize(8, 8);
// let frame = terminal.draw(|f| {
// let paragraph = Paragraph::new("test");
// let text = Text::from("test");
// let paragraph = Paragraph::new(&text);
// f.render_widget(paragraph, f.size());
// })?;
// assert_eq!(frame.buffer.get(0, 0).symbol, "t");

18
helix-tui/tests/widgets_paragraph.rs
View file

@ -21,8 +21,8 @@
// terminal
// .draw(|f| {
// let size = f.size();
// let text = vec![Spans::from(SAMPLE_STRING)];
// let paragraph = Paragraph::new(text)
// let text = Text::from(SAMPLE_STRING);
// let paragraph = Paragraph::new(&text)
// .block(Block::default().borders(Borders::ALL))
// .alignment(alignment)
// .wrap(Wrap { trim: true });
@ -88,8 +88,8 @@
// terminal
// .draw(|f| {
// let size = f.size();
// let text = vec![Spans::from(s)];
// let paragraph = Paragraph::new(text)
// let text = Text::from(s);
// let paragraph = Paragraph::new(&text)
// .block(Block::default().borders(Borders::ALL))
// .wrap(Wrap { trim: true });
// f.render_widget(paragraph, size);
@ -120,8 +120,8 @@
// terminal
// .draw(|f| {
// let size = f.size();
// let text = vec![Spans::from(s)];
// let paragraph = Paragraph::new(text)
// let text = Text::from(s);
// let paragraph = Paragraph::new(&text)
// .block(Block::default().borders(Borders::ALL))
// .wrap(Wrap { trim: true });
// f.render_widget(paragraph, size);
@ -155,8 +155,8 @@
// terminal
// .draw(|f| {
// let size = f.size();
// let paragraph = Paragraph::new(line).block(Block::default().borders(Borders::ALL));
// let text = Text::from(line);
// let paragraph = Paragraph::new(&text).block(Block::default().borders(Borders::ALL));
// f.render_widget(paragraph, size);
// })
// .unwrap();
@ -174,7 +174,7 @@
// let text = Text::from(
// "段落现在可以水平滚动了！\nParagraph can scroll horizontally!\nShort line",
// );
// let paragraph = Paragraph::new(text)
// let paragraph = Paragraph::new(&text)
// .block(Block::default().borders(Borders::ALL))
// .alignment(alignment)
// .scroll(scroll);