egui/egui_demo_lib/src/apps/demo/app.rs
Emil Ernerfeldt 31b7eda51e Rename Egui to egui
Also update iamges in README.md
2021-01-17 14:48:59 +01:00

30 lines
953 B
Rust

/// Demonstrates how to make an app using egui.
///
/// Implements `epi::App` so it can be used with
/// [`egui_glium`](https://crates.io/crates/egui_glium) and [`egui_web`](https://crates.io/crates/egui_web).
#[derive(Default)]
#[cfg_attr(feature = "persistence", derive(serde::Deserialize, serde::Serialize))]
#[cfg_attr(feature = "persistence", serde(default))]
pub struct DemoApp {
demo_windows: super::DemoWindows,
}
impl epi::App for DemoApp {
fn name(&self) -> &str {
"✨ Demos"
}
#[cfg(feature = "persistence")]
fn load(&mut self, storage: &dyn epi::Storage) {
*self = epi::get_value(storage, epi::APP_KEY).unwrap_or_default()
}
#[cfg(feature = "persistence")]
fn save(&mut self, storage: &mut dyn epi::Storage) {
epi::set_value(storage, epi::APP_KEY, self);
}
fn update(&mut self, ctx: &egui::CtxRef, _frame: &mut epi::Frame<'_>) {
self.demo_windows.ui(ctx);
}
}