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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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51
egui_demo_lib/src/wrap_app.rs
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@@ -12,14 +12,26 @@ pub struct Apps {
}
impl Apps {
fn iter_mut(&mut self) -> impl Iterator<Item = (&str, &mut dyn epi::App)> {
fn iter_mut(&mut self) -> impl Iterator<Item = (&str, &str, &mut dyn epi::App)> {
vec![
("demo", &mut self.demo as &mut dyn epi::App),
("easymark", &mut self.easy_mark_editor as &mut dyn epi::App),
("✨ Demos", "demo", &mut self.demo as &mut dyn epi::App),
(
"🖹 EasyMark editor",
"easymark",
&mut self.easy_mark_editor as &mut dyn epi::App,
),
#[cfg(feature = "http")]
("http", &mut self.http as &mut dyn epi::App),
("clock", &mut self.clock as &mut dyn epi::App),
("colors", &mut self.color_test as &mut dyn epi::App),
("⬇ HTTP", "http", &mut self.http as &mut dyn epi::App),
(
"🕑 Fractal Clock",
"clock",
&mut self.clock as &mut dyn epi::App,
),
(
"🎨 Color test",
"colors",
&mut self.color_test as &mut dyn epi::App,
),
]
.into_iter()
}
@@ -37,24 +49,17 @@ pub struct WrapApp {
dropped_files: Vec<egui::DroppedFile>,
}
impl epi::App for WrapApp {
fn name(&self) -> &str {
"egui demo apps"
}
fn setup(
&mut self,
_ctx: &egui::Context,
_frame: &epi::Frame,
_storage: Option<&dyn epi::Storage>,
_gl: &std::rc::Rc<epi::glow::Context>,
) {
impl WrapApp {
pub fn new(_cc: &epi::CreationContext<'_>) -> Self {
#[cfg(feature = "persistence")]
if let Some(storage) = _storage {
*self = epi::get_value(storage, epi::APP_KEY).unwrap_or_default();
if let Some(storage) = _cc.storage {
return epi::get_value(storage, epi::APP_KEY).unwrap_or_default();
}
Self::default()
}
}
impl epi::App for WrapApp {
#[cfg(feature = "persistence")]
fn save(&mut self, storage: &mut dyn epi::Storage) {
epi::set_value(storage, epi::APP_KEY, self);
@@ -111,7 +116,7 @@ impl epi::App for WrapApp {
let mut found_anchor = false;
for (anchor, app) in self.apps.iter_mut() {
for (_name, anchor, app) in self.apps.iter_mut() {
if anchor == self.selected_anchor || ctx.memory().everything_is_visible() {
app.update(ctx, frame);
found_anchor = true;
@@ -138,9 +143,9 @@ impl WrapApp {
ui.checkbox(&mut self.backend_panel.open, "💻 Backend");
ui.separator();
for (anchor, app) in self.apps.iter_mut() {
for (name, anchor, _app) in self.apps.iter_mut() {
if ui
.selectable_label(self.selected_anchor == anchor, app.name())
.selectable_label(self.selected_anchor == anchor, name)
.clicked()
{
self.selected_anchor = anchor.to_owned();