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[demo] Move Fractal Clock to WrapApp

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This commit is contained in:
Emil Ernerfeldt
2021-01-01 21:27:10 +01:00
parent b1022d01c1
commit 4848c171eb
10 changed files with 100 additions and 140 deletions
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94
egui_demo_lib/src/wrap_app.rs
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@@ -2,10 +2,27 @@
#[derive(Default, serde::Deserialize, serde::Serialize)]
#[serde(default)]
pub struct WrapApp {
selectable_demo_name: String,
selected_anchor: String,
apps: Apps,
}
#[derive(Default, serde::Deserialize, serde::Serialize)]
#[serde(default)]
pub struct Apps {
demo: crate::apps::DemoApp,
http: crate::apps::HttpApp,
clock: crate::apps::FractalClock,
}
impl Apps {
fn iter_mut(&mut self) -> impl Iterator<Item = (&str, &mut dyn epi::App)> {
vec![
("demo", &mut self.demo as &mut dyn epi::App),
("http", &mut self.http as &mut dyn epi::App),
("clock", &mut self.clock as &mut dyn epi::App),
]
.into_iter()
}
}
impl epi::App for WrapApp {
@@ -22,46 +39,63 @@ impl epi::App for WrapApp {
}
fn update(&mut self, ctx: &egui::CtxRef, frame: &mut epi::Frame<'_>) {
let web_location_hash = frame
.info()
.web_info
.as_ref()
.map(|info| info.web_location_hash.clone())
.unwrap_or_default();
if let Some(web_info) = frame.info().web_info.as_ref() {
if let Some(anchor) = web_info.web_location_hash.strip_prefix("#") {
self.selected_anchor = anchor.to_owned();
}
}
if web_location_hash == "#clock" {
// TODO
} else if web_location_hash == "#http" {
self.selectable_demo_name = self.http.name().to_owned();
if self.selected_anchor.is_empty() {
self.selected_anchor = self.apps.iter_mut().next().unwrap().0.to_owned();
}
egui::TopPanel::top("wrap_app").show(ctx, |ui| {
ui.horizontal(|ui| {
ui.label(format!("web_location_hash: {:?}", web_location_hash));
ui.label("Demo Apps:");
ui.selectable_value(
&mut self.selectable_demo_name,
self.demo.name().to_owned(),
self.demo.name(),
);
ui.selectable_value(
&mut self.selectable_demo_name,
self.http.name().to_owned(),
self.http.name(),
);
// A menu-bar is a horizontal layout with some special styles applied.
egui::menu::bar(ui, |ui| {
for (anchor, app) in self.apps.iter_mut() {
if ui
.selectable_label(self.selected_anchor == anchor, app.name())
.clicked
{
self.selected_anchor = anchor.to_owned();
if frame.is_web() {
ui.output().open_url = Some(format!("#{}", anchor));
}
}
}
ui.with_layout(egui::Layout::right_to_left(), |ui| {
if let Some(seconds_since_midnight) = frame.info().seconds_since_midnight {
if clock_button(ui, seconds_since_midnight).clicked {
self.selected_anchor = "clock".to_owned();
if frame.is_web() {
ui.output().open_url = Some("#clock".to_owned());
}
}
}
egui::warn_if_debug_build(ui);
});
});
});
if self.selectable_demo_name == self.demo.name() {
self.demo.update(ctx, frame);
} else if self.selectable_demo_name == self.http.name() {
self.http.update(ctx, frame);
} else {
self.selectable_demo_name = self.demo.name().to_owned();
for (anchor, app) in self.apps.iter_mut() {
if anchor == self.selected_anchor {
app.update(ctx, frame);
}
}
}
}
fn clock_button(ui: &mut egui::Ui, seconds_since_midnight: f64) -> egui::Response {
let time = seconds_since_midnight;
let time = format!(
"{:02}:{:02}:{:02}.{:02}",
(time % (24.0 * 60.0 * 60.0) / 3600.0).floor(),
(time % (60.0 * 60.0) / 60.0).floor(),
(time % 60.0).floor(),
(time % 1.0 * 100.0).floor()
);
ui.add(egui::Button::new(time).text_style(egui::TextStyle::Monospace))
}