Demo: add button to reset the demo

egui_demo_lib/src/apps/demo/demo_app_windows.rs

@@ -232,7 +232,7 @@ fn show_menu_bar(ui: &mut Ui) {
                 ui.ctx().memory().reset_areas();
             }
             if ui
-                .button("Clear egui memory")
+                .button("Reset egui memory")
                 .on_hover_text("Forget scroll, positions, sizes etc")
                 .clicked()
             {

egui_demo_lib/src/backend_panel.rs

@@ -115,14 +115,6 @@ impl BackendPanel {
         ui.label("egui windows:");
         self.egui_windows.checkboxes(ui);
 
-        if ui
-            .button("Clear egui memory")
-            .on_hover_text("Forget scroll, positions, sizes etc")
-            .clicked()
-        {
-            *ui.ctx().memory() = Default::default();
-        }
-
         ui.separator();
 
         {

egui_demo_lib/src/wrap_app.rs

@@ -93,6 +93,23 @@ impl epi::App for WrapApp {
         if self.backend_panel.open || ctx.memory().everything_is_visible() {
             egui::SidePanel::left("backend_panel").show(ctx, |ui| {
                 self.backend_panel.ui(ui, frame);
+
+                ui.separator();
+
+                ui.horizontal(|ui| {
+                    if ui
+                        .button("Reset egui")
+                        .on_hover_text("Forget scroll, positions, sizes etc")
+                        .clicked()
+                    {
+                        *ui.ctx().memory() = Default::default();
+                    }
+
+                    if ui.button("Reset everything").clicked() {
+                        *self = Default::default();
+                        *ui.ctx().memory() = Default::default();
+                    }
+                });
             });
         }