bendns' repos / helix
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'helix-tui/src/widgets/paragraph.rs')
-rw-r--r--helix-tui/src/widgets/paragraph.rs55
1 files changed, 13 insertions, 42 deletions
diff --git a/helix-tui/src/widgets/paragraph.rs b/helix-tui/src/widgets/paragraph.rs
index 2b4ccfbd..4e839162 100644
--- a/helix-tui/src/widgets/paragraph.rs
+++ b/helix-tui/src/widgets/paragraph.rs
@@ -28,16 +28,16 @@ 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 = Text::from(vec![
+/// let text = 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)
-/// .block(Block::bordered().title("Paragraph"))
+/// ];
+/// Paragraph::new(text)
+/// .block(Block::default().title("Paragraph").borders(Borders::ALL))
/// .style(Style::default().fg(Color::White).bg(Color::Black))
/// .alignment(Alignment::Center)
/// .wrap(Wrap { trim: true });
@@ -51,7 +51,7 @@ pub struct Paragraph<'a> {
/// How to wrap the text
wrap: Option<Wrap>,
/// The text to display
- text: &'a Text<'a>,
+ text: 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).wrap(Wrap { trim: true });
+/// Paragraph::new(bullet_points.clone()).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
@@ -92,12 +92,15 @@ pub struct Wrap {
}
impl<'a> Paragraph<'a> {
- pub fn new(text: &'a Text) -> Paragraph<'a> {
+ pub fn new<T>(text: T) -> Paragraph<'a>
+ where
+ T: Into<Text<'a>>,
+ {
Paragraph {
block: None,
style: Default::default(),
wrap: None,
- text,
+ text: text.into(),
scroll: (0, 0),
alignment: Alignment::Left,
}
@@ -127,41 +130,9 @@ impl<'a> Paragraph<'a> {
self.alignment = alignment;
self
}
-
- pub fn required_size(&self, max_text_width: u16) -> (u16, u16) {
- let style = self.style;
- let mut styled = self.text.lines.iter().flat_map(|spans| {
- spans
- .0
- .iter()
- .flat_map(|span| span.styled_graphemes(style))
- // Required given the way composers work but might be refactored out if we change
- // composers to operate on lines instead of a stream of graphemes.
- .chain(iter::once(StyledGrapheme {
- symbol: "\n",
- style: self.style,
- }))
- });
- let mut line_composer: Box<dyn LineComposer> = if let Some(Wrap { trim }) = self.wrap {
- Box::new(WordWrapper::new(&mut styled, max_text_width, trim))
- } else {
- let mut line_composer = Box::new(LineTruncator::new(&mut styled, max_text_width));
- if self.alignment == Alignment::Left {
- line_composer.set_horizontal_offset(self.scroll.1);
- }
- line_composer
- };
- let mut text_width = 0;
- let mut text_height = 0;
- while let Some((_, line_width)) = line_composer.next_line() {
- text_width = line_width.max(text_width);
- text_height += 1;
- }
- (text_width, text_height)
- }
}
-impl Widget for Paragraph<'_> {
+impl<'a> Widget for Paragraph<'a> {
fn render(mut self, area: Rect, buf: &mut Buffer) {
buf.set_style(area, self.style);
let text_area = match self.block.take() {