migrations/egui
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eframe app creation refactor (#1363)

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* Change how eframe apps are created
* eframe: re-export epi::* so users don't need to care about what epi is
This commit is contained in:
Emil Ernerfeldt
2022-03-16 15:39:48 +01:00
committed by GitHub
parent c768d1d48e
commit c8f6cae362
26 changed files with 387 additions and 444 deletions
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16
eframe/examples/download_image.rs
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@@ -1,12 +1,16 @@
#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
use eframe::{egui, epi};
use eframe::egui;
use egui_extras::RetainedImage;
use poll_promise::Promise;
fn main() {
let options = eframe::NativeOptions::default();
eframe::run_native(Box::new(MyApp::default()), options);
eframe::run_native(
"Download and show an image with eframe/egui",
options,
|_cc| Box::new(MyApp::default()),
);
}
#[derive(Default)]
@@ -15,12 +19,8 @@ struct MyApp {
promise: Option<Promise<ehttp::Result<RetainedImage>>>,
}
impl epi::App for MyApp {
fn name(&self) -> &str {
"Download and show an image with eframe/egui"
}
fn update(&mut self, ctx: &egui::Context, _frame: &epi::Frame) {
impl eframe::App for MyApp {
fn update(&mut self, ctx: &egui::Context, _frame: &eframe::Frame) {
let promise = self.promise.get_or_insert_with(|| {
// Begin download.
// We download the image using `ehttp`, a library that works both in WASM and on native.