feat(widgets/chart): add option to set the position of legend

- update rendering algorithm to avoid collisiion with axis titles. - add unit tests.
ratatui-org · Dec 13, 2023 · d2b36ac · d2b36ac
1 parent aaeba27
commit d2b36ac
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Showing 3 changed files with 473 additions and 40 deletions.
diff --git a/examples/chart.rs b/examples/chart.rs
@@ -249,6 +249,7 @@ fn ui(f: &mut Frame, app: &App) {
                 .style(Style::default().fg(Color::Gray))
                 .bounds([0.0, 5.0])
                 .labels(vec!["0".bold(), "2.5".into(), "5".bold()]),
-        );
+        )
+        .legend_position(Some(LegendPosition::TopLeft));
     f.render_widget(chart, chunks[2]);
 }
diff --git a/src/widgets.rs b/src/widgets.rs
@@ -43,7 +43,7 @@ use bitflags::bitflags;
 pub use self::{
     barchart::{Bar, BarChart, BarGroup},
     block::{Block, BorderType, Padding},
-    chart::{Axis, Chart, Dataset, GraphType},
+    chart::{Axis, Chart, Dataset, GraphType, LegendPosition},
     clear::Clear,
     gauge::{Gauge, LineGauge},
     list::{List, ListDirection, ListItem, ListState},