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Diffstat (limited to 'atuin/src/ratatui/widgets/gauge.rs')
-rw-r--r-- | atuin/src/ratatui/widgets/gauge.rs | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/atuin/src/ratatui/widgets/gauge.rs b/atuin/src/ratatui/widgets/gauge.rs deleted file mode 100644 index 6b53b975..00000000 --- a/atuin/src/ratatui/widgets/gauge.rs +++ /dev/null @@ -1,313 +0,0 @@ -use crate::ratatui::{ - buffer::Buffer, - layout::Rect, - style::{Color, Style}, - symbols, - text::{Span, Spans}, - widgets::{Block, Widget}, -}; - -/// A widget to display a task progress. -/// -/// # Examples: -/// -/// ``` -/// # use ratatui::widgets::{Widget, Gauge, Block, Borders}; -/// # use ratatui::style::{Style, Color, Modifier}; -/// Gauge::default() -/// .block(Block::default().borders(Borders::ALL).title("Progress")) -/// .gauge_style(Style::default().fg(Color::White).bg(Color::Black).add_modifier(Modifier::ITALIC)) -/// .percent(20); -/// ``` -#[derive(Debug, Clone)] -pub struct Gauge<'a> { - block: Option<Block<'a>>, - ratio: f64, - label: Option<Span<'a>>, - use_unicode: bool, - style: Style, - gauge_style: Style, -} - -impl<'a> Default for Gauge<'a> { - fn default() -> Gauge<'a> { - Gauge { - block: None, - ratio: 0.0, - label: None, - use_unicode: false, - style: Style::default(), - gauge_style: Style::default(), - } - } -} - -impl<'a> Gauge<'a> { - pub fn block(mut self, block: Block<'a>) -> Gauge<'a> { - self.block = Some(block); - self - } - - pub fn percent(mut self, percent: u16) -> Gauge<'a> { - assert!( - percent <= 100, - "Percentage should be between 0 and 100 inclusively." - ); - self.ratio = f64::from(percent) / 100.0; - self - } - - /// Sets ratio ([0.0, 1.0]) directly. - pub fn ratio(mut self, ratio: f64) -> Gauge<'a> { - assert!( - (0.0..=1.0).contains(&ratio), - "Ratio should be between 0 and 1 inclusively." - ); - self.ratio = ratio; - self - } - - pub fn label<T>(mut self, label: T) -> Gauge<'a> - where - T: Into<Span<'a>>, - { - self.label = Some(label.into()); - self - } - - pub fn style(mut self, style: Style) -> Gauge<'a> { - self.style = style; - self - } - - pub fn gauge_style(mut self, style: Style) -> Gauge<'a> { - self.gauge_style = style; - self - } - - pub fn use_unicode(mut self, unicode: bool) -> Gauge<'a> { - self.use_unicode = unicode; - self - } -} - -impl<'a> Widget for Gauge<'a> { - fn render(mut self, area: Rect, buf: &mut Buffer) { - buf.set_style(area, self.style); - let gauge_area = match self.block.take() { - Some(b) => { - let inner_area = b.inner(area); - b.render(area, buf); - inner_area - } - None => area, - }; - buf.set_style(gauge_area, self.gauge_style); - if gauge_area.height < 1 { - return; - } - - // compute label value and its position - // label is put at the center of the gauge_area - let label = { - let pct = f64::round(self.ratio * 100.0); - self.label - .unwrap_or_else(|| Span::from(format!("{}%", pct))) - }; - let clamped_label_width = gauge_area.width.min(label.width() as u16); - let label_col = gauge_area.left() + (gauge_area.width - clamped_label_width) / 2; - let label_row = gauge_area.top() + gauge_area.height / 2; - - // the gauge will be filled proportionally to the ratio - let filled_width = f64::from(gauge_area.width) * self.ratio; - let end = if self.use_unicode { - gauge_area.left() + filled_width.floor() as u16 - } else { - gauge_area.left() + filled_width.round() as u16 - }; - for y in gauge_area.top()..gauge_area.bottom() { - // render the filled area (left to end) - for x in gauge_area.left()..end { - // spaces are needed to apply the background styling - buf.get_mut(x, y) - .set_symbol(" ") - .set_fg(self.gauge_style.bg.unwrap_or(Color::Reset)) - .set_bg(self.gauge_style.fg.unwrap_or(Color::Reset)); - } - if self.use_unicode && self.ratio < 1.0 { - buf.get_mut(end, y) - .set_symbol(get_unicode_block(filled_width % 1.0)); - } - } - // set the span - buf.set_span(label_col, label_row, &label, clamped_label_width); - } -} - -fn get_unicode_block<'a>(frac: f64) -> &'a str { - match (frac * 8.0).round() as u16 { - 1 => symbols::block::ONE_EIGHTH, - 2 => symbols::block::ONE_QUARTER, - 3 => symbols::block::THREE_EIGHTHS, - 4 => symbols::block::HALF, - 5 => symbols::block::FIVE_EIGHTHS, - 6 => symbols::block::THREE_QUARTERS, - 7 => symbols::block::SEVEN_EIGHTHS, - 8 => symbols::block::FULL, - _ => " ", - } -} - -/// A compact widget to display a task progress over a single line. -/// -/// # Examples: -/// -/// ``` -/// # use ratatui::widgets::{Widget, LineGauge, Block, Borders}; -/// # use ratatui::style::{Style, Color, Modifier}; -/// # use ratatui::symbols; -/// LineGauge::default() -/// .block(Block::default().borders(Borders::ALL).title("Progress")) -/// .gauge_style(Style::default().fg(Color::White).bg(Color::Black).add_modifier(Modifier::BOLD)) -/// .line_set(symbols::line::THICK) -/// .ratio(0.4); -/// ``` -pub struct LineGauge<'a> { - block: Option<Block<'a>>, - ratio: f64, - label: Option<Spans<'a>>, - line_set: symbols::line::Set, - style: Style, - gauge_style: Style, -} - -impl<'a> Default for LineGauge<'a> { - fn default() -> Self { - Self { - block: None, - ratio: 0.0, - label: None, - style: Style::default(), - line_set: symbols::line::NORMAL, - gauge_style: Style::default(), - } - } -} - -impl<'a> LineGauge<'a> { - pub fn block(mut self, block: Block<'a>) -> Self { - self.block = Some(block); - self - } - - pub fn ratio(mut self, ratio: f64) -> Self { - assert!( - (0.0..=1.0).contains(&ratio), - "Ratio should be between 0 and 1 inclusively." - ); - self.ratio = ratio; - self - } - - pub fn line_set(mut self, set: symbols::line::Set) -> Self { - self.line_set = set; - self - } - - pub fn label<T>(mut self, label: T) -> Self - where - T: Into<Spans<'a>>, - { - self.label = Some(label.into()); - self - } - - pub fn style(mut self, style: Style) -> Self { - self.style = style; - self - } - - pub fn gauge_style(mut self, style: Style) -> Self { - self.gauge_style = style; - self - } -} - -impl<'a> Widget for LineGauge<'a> { - fn render(mut self, area: Rect, buf: &mut Buffer) { - buf.set_style(area, self.style); - let gauge_area = match self.block.take() { - Some(b) => { - let inner_area = b.inner(area); - b.render(area, buf); - inner_area - } - None => area, - }; - - if gauge_area.height < 1 { - return; - } - - let ratio = self.ratio; - let label = self - .label - .unwrap_or_else(move || Spans::from(format!("{:.0}%", ratio * 100.0))); - let (col, row) = buf.set_spans( - gauge_area.left(), - gauge_area.top(), - &label, - gauge_area.width, - ); - let start = col + 1; - if start >= gauge_area.right() { - return; - } - - let end = start - + (f64::from(gauge_area.right().saturating_sub(start)) * self.ratio).floor() as u16; - for col in start..end { - buf.get_mut(col, row) - .set_symbol(self.line_set.horizontal) - .set_style(Style { - fg: self.gauge_style.fg, - bg: None, - add_modifier: self.gauge_style.add_modifier, - sub_modifier: self.gauge_style.sub_modifier, - }); - } - for col in end..gauge_area.right() { - buf.get_mut(col, row) - .set_symbol(self.line_set.horizontal) - .set_style(Style { - fg: self.gauge_style.bg, - bg: None, - add_modifier: self.gauge_style.add_modifier, - sub_modifier: self.gauge_style.sub_modifier, - }); - } - } -} - -#[cfg(test)] -mod tests { - use super::*; - - #[test] - #[should_panic] - fn gauge_invalid_percentage() { - Gauge::default().percent(110); - } - - #[test] - #[should_panic] - fn gauge_invalid_ratio_upper_bound() { - Gauge::default().ratio(1.1); - } - - #[test] - #[should_panic] - fn gauge_invalid_ratio_lower_bound() { - Gauge::default().ratio(-0.5); - } -} |