add scroll areas to demo

Author: dmackdev

examples/demo/src/main.rs

@@ -62,19 +62,21 @@ impl eframe::App for DemoApp {
 
                 ui.label(egui::RichText::new("Examples").monospace());
                 ui.with_layout(egui::Layout::top_down_justified(egui::Align::LEFT), |ui| {
-                    for (idx, example) in self.examples.iter().enumerate() {
-                        let is_open = self
-                            .open_example_idx
-                            .is_some_and(|open_idx| open_idx == idx);
-
-                        if ui.selectable_label(is_open, example.title()).clicked() {
-                            if is_open {
-                                self.open_example_idx = None;
-                            } else {
-                                self.open_example_idx = Some(idx);
+                    egui::ScrollArea::vertical().show(ui, |ui| {
+                        for (idx, example) in self.examples.iter().enumerate() {
+                            let is_open = self
+                                .open_example_idx
+                                .is_some_and(|open_idx| open_idx == idx);
+
+                            if ui.selectable_label(is_open, example.title()).clicked() {
+                                if is_open {
+                                    self.open_example_idx = None;
+                                } else {
+                                    self.open_example_idx = Some(idx);
+                                }
                             }
                         }
-                    }
+                    });
                 });
             });
 
@@ -98,7 +100,9 @@ impl eframe::App for DemoApp {
         egui::CentralPanel::default().show(ctx, |ui| {
             match example {
                 Some(example) => {
-                    example.show(ui);
+                    egui::ScrollArea::vertical().show(ui, |ui| {
+                        example.show(ui);
+                    });
                 }
                 None => {
                     if !self.left_sidebar_expanded {