migrations/egui
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Move http fetch api from eframe to epi

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This commit is contained in:
Emil Ernerfeldt
2020-12-31 14:31:11 +01:00
parent 9db1b8dbf9
commit 375e317547
8 changed files with 240 additions and 129 deletions
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29
egui_web/src/backend.rs
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@@ -1,6 +1,7 @@
use crate::*;
pub use egui::{pos2, Srgba};
use http::WebHttp;
// ----------------------------------------------------------------------------
@@ -137,12 +138,13 @@ impl epi::RepaintSignal for NeedRepaint {
// ----------------------------------------------------------------------------
pub struct AppRunner {
pub web_backend: WebBackend,
pub input: WebInput,
pub app: Box<dyn epi::App>,
pub needs_repaint: std::sync::Arc<NeedRepaint>,
pub storage: LocalStorage,
pub last_save_time: f64,
web_backend: WebBackend,
pub(crate) input: WebInput,
app: Box<dyn epi::App>,
pub(crate) needs_repaint: std::sync::Arc<NeedRepaint>,
storage: LocalStorage,
last_save_time: f64,
http: Arc<WebHttp>,
}
impl AppRunner {
@@ -158,6 +160,7 @@ impl AppRunner {
needs_repaint: Default::default(),
storage,
last_save_time: now_sec(),
http: Arc::new(WebHttp {}),
})
}
@@ -182,7 +185,8 @@ impl AppRunner {
let raw_input = self.input.new_frame(canvas_size);
self.web_backend.begin_frame(raw_input);
let mut integration_context = epi::IntegrationContext {
let mut app_output = epi::backend::AppOutput::default();
let mut frame = epi::backend::FrameBuilder {
info: epi::IntegrationInfo {
web_info: Some(epi::WebInfo {
web_location_hash: location_hash().unwrap_or_default(),
@@ -192,18 +196,19 @@ impl AppRunner {
native_pixels_per_point: Some(native_pixels_per_point()),
},
tex_allocator: Some(&mut self.web_backend.painter),
output: Default::default(),
http: self.http.clone(),
output: &mut app_output,
repaint_signal: self.needs_repaint.clone(),
};
}
.build();
let egui_ctx = &self.web_backend.ctx;
self.app.ui(egui_ctx, &mut integration_context);
let app_output = integration_context.output;
self.app.ui(egui_ctx, &mut frame);
let (egui_output, paint_jobs) = self.web_backend.end_frame()?;
handle_output(&egui_output);
{
let epi::AppOutput {
let epi::backend::AppOutput {
quit: _, // Can't quit a web page
window_size: _, // Can't resize a web page
pixels_per_point: _, // Can't zoom from within the app (we respect the web browser's zoom level)