feat(widgets/chart): add option to set the position of legend (#378)

ratatui · Dec 15, 2023 · b8f71c0 · b8f71c0
1 parent 113b4b7
commit b8f71c0
Show file tree

Hide file tree

Showing 3 changed files with 480 additions and 41 deletions.
diff --git a/examples/chart.rs b/examples/chart.rs
@@ -221,7 +221,8 @@ 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(), "5.0".bold()]),
-        );
+        )
+        .hidden_legend_constraints((Constraint::Ratio(1, 2), Constraint::Ratio(1, 2)));
     f.render_widget(chart, chunks[1]);
 
     let datasets = vec![Dataset::default()
@@ -249,6 +250,8 @@ 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))
+        .hidden_legend_constraints((Constraint::Ratio(1, 2), Constraint::Ratio(1, 2)));
     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},