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use crate::frame::app::App;
use crate::imports::*;
pub struct Core<T>
where
T: App,
{
app: Box<T>,
is_shutdown_pending: bool,
_settings_storage_requested: bool,
_last_settings_storage_request: Instant,
#[allow(dead_code)]
runtime: Runtime,
events: ApplicationEventsChannel,
}
impl<T> Core<T>
where
T: App,
{
/// Core initialization
pub fn try_new(
cc: &eframe::CreationContext<'_>,
runtime: Runtime,
app_creator: crate::frame::AppCreator<T>,
) -> Result<Self> {
let mut app = app_creator(cc, runtime.clone())?;
app.init(&runtime, cc);
let events = runtime.events().clone();
Ok(Self {
runtime,
app,
is_shutdown_pending: false,
_settings_storage_requested: false,
_last_settings_storage_request: Instant::now(),
events,
})
}
}
impl<T> eframe::App for Core<T>
where
T: App,
{
#[cfg(not(target_arch = "wasm32"))]
fn on_exit(&mut self, _gl: Option<&eframe::glow::Context>) {
self.is_shutdown_pending = true;
Runtime::halt();
println!("bye!");
}
fn clear_color(&self, _visuals: &egui::Visuals) -> [f32; 4] {
egui::Rgba::TRANSPARENT.to_array()
}
/// Called each time the UI needs repainting, which may be many times per second.
/// Put your widgets into a `SidePanel`, `TopPanel`, `CentralPanel`, `Window` or `Area`.
fn update(&mut self, ctx: &egui::Context, frame: &mut eframe::Frame) {
log_info!("--- update ---");
for event in self.events.iter() {
if let Err(err) = self.handle_events(event.clone(), ctx, frame) {
log_error!("error processing wallet runtime event: {}", err);
}
}
if self.is_shutdown_pending {
return;
}
ctx.input(|input| {
input.events.iter().for_each(|event| {
if let egui::Event::Key {
key,
pressed,
modifiers,
repeat,
// TODO - propagate
physical_key: _,
// ..
} = event
{
self.handle_keyboard_events(*key, *pressed, modifiers, *repeat);
}
});
});
if let Some(device) = self.app.device() {
device.set_screen_size(&ctx.screen_rect())
}
self.render(ctx, frame);
// #[cfg(not(target_arch = "wasm32"))]
// if let Some(screenshot) = self.screenshot.clone() {
// self.handle_screenshot(ctx, screenshot);
// }
}
}
impl<T> Core<T>
where
T: App,
{
fn render(&mut self, ctx: &egui::Context, frame: &mut eframe::Frame) {
self.app.render(ctx, frame);
}
// #[cfg(not(target_arch = "wasm32"))]
// fn handle_screenshot(&mut self, ctx: &Context, screenshot: Arc<ColorImage>) {
// match rfd::FileDialog::new().save_file() {
// Some(mut path) => {
// path.set_extension("png");
// let screen_rect = ctx.screen_rect();
// let pixels_per_point = ctx.pixels_per_point();
// let screenshot = screenshot.clone();
// let sender = self.sender();
// std::thread::Builder::new()
// .name("screenshot".to_string())
// .spawn(move || {
// let image = screenshot.region(&screen_rect, Some(pixels_per_point));
// image::save_buffer(
// &path,
// image.as_raw(),
// image.width() as u32,
// image.height() as u32,
// image::ColorType::Rgba8,
// )
// .unwrap();
// sender
// .try_send(Events::Notify {
// user_notification: UserNotification::success(format!(
// "Capture saved to\n{}",
// path.to_string_lossy()
// ))
// .as_toast(),
// })
// .unwrap()
// })
// .expect("Unable to spawn screenshot thread");
// self.screenshot.take();
// }
// None => {
// self.screenshot.take();
// }
// }
// }
pub fn handle_events(
&mut self,
event: RuntimeEvent,
ctx: &egui::Context,
_frame: &mut eframe::Frame,
) -> Result<()> {
// log_info!("--- event: {:?}", event);
if matches!(event, RuntimeEvent::Exit) {
self.is_shutdown_pending = true;
}
self.app.handle_event(ctx, event);
Ok(())
}
fn handle_keyboard_events(
&mut self,
key: egui::Key,
pressed: bool,
modifiers: &egui::Modifiers,
_repeat: bool,
) {
self.app
.handle_keyboard_events(key, pressed, modifiers, false);
}
// pub fn apply_mobile_style(&self, ui: &mut Ui) {
// ui.style_mut().text_styles = self.mobile_style.text_styles.clone();
// }
// pub fn apply_default_style(&self, ui: &mut Ui) {
// ui.style_mut().text_styles = self.default_style.text_styles.clone();
// }
}