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-rw-r--r--atuin/src/ratatui/widgets/gauge.rs313
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);
- }
-}