Experiment with a new Group container

examples/group_layout/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "group_layout"
+version = "0.1.0"
+authors = ["Emil Ernerfeldt <emil.ernerfeldt@gmail.com>"]
+license = "MIT OR Apache-2.0"
+edition = "2021"
+rust-version = "1.76"
+publish = false
+
+[lints]
+workspace = true
+
+
+[dependencies]
+eframe = { workspace = true, features = [
+    "default",
+    "__screenshot", # __screenshot is so we can dump a screenshot using EFRAME_SCREENSHOT_TO
+] }
+env_logger = { version = "0.10", default-features = false, features = [
+    "auto-color",
+    "humantime",
+] }

examples/group_layout/src/main.rs

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+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
+#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+
+use eframe::egui;
+
+fn main() -> Result<(), eframe::Error> {
+    env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
+
+    let options = eframe::NativeOptions {
+        viewport: egui::ViewportBuilder::default().with_inner_size([640.0, 480.0]),
+        ..Default::default()
+    };
+
+    eframe::run_simple_native("My egui App", options, move |ctx, _frame| {
+        egui::CentralPanel::default().show(ctx, |ui| {
+            ui.vertical_centered(|ui| {
+                egui::Group::new("my_group")
+                    .frame(egui::Frame::group(ui.style()))
+                    .show(ui, |ui| {
+                        ui.horizontal(|ui| {
+                            ui.label("Hello");
+                            ui.code("world!");
+                        });
+
+                        if ui.button("Reset egui").clicked() {
+                            ui.memory_mut(|mem| *mem = Default::default());
+                        }
+                    });
+            });
+        });
+    })
+}