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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18
egui_web/src/backend.rs
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@@ -139,7 +139,7 @@ pub struct AppRunner {
}
impl AppRunner {
pub fn new(canvas_id: &str, app: Box<dyn epi::App>) -> Result<Self, JsValue> {
pub fn new(canvas_id: &str, app_creator: epi::AppCreator) -> Result<Self, JsValue> {
let painter = WrappedGlowPainter::new(canvas_id).map_err(JsValue::from)?;
let prefer_dark_mode = crate::prefer_dark_mode();
@@ -177,6 +177,13 @@ impl AppRunner {
let storage = LocalStorage::default();
let app = app_creator(&epi::CreationContext {
egui_ctx: egui_ctx.clone(),
integration_info: frame.info(),
storage: Some(&storage),
gl: painter.painter.gl().clone(),
});
let mut runner = Self {
frame,
egui_ctx,
@@ -194,11 +201,6 @@ impl AppRunner {
runner.input.raw.max_texture_side = Some(runner.painter.max_texture_side());
let gl = runner.painter.painter.gl();
runner
.app
.setup(&runner.egui_ctx, &runner.frame, Some(&runner.storage), gl);
Ok(runner)
}
@@ -327,8 +329,8 @@ impl AppRunner {
/// Install event listeners to register different input events
/// and start running the given app.
pub fn start(canvas_id: &str, app: Box<dyn epi::App>) -> Result<AppRunnerRef, JsValue> {
let mut runner = AppRunner::new(canvas_id, app)?;
pub fn start(canvas_id: &str, app_creator: epi::AppCreator) -> Result<AppRunnerRef, JsValue> {
let mut runner = AppRunner::new(canvas_id, app_creator)?;
runner.warm_up()?;
start_runner(runner)
}