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1051
Cargo.lock
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1051
Cargo.lock
generated
File diff suppressed because it is too large
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@ -12,6 +12,11 @@ rust-version = "1.60"
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egui = "0.19.0"
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eframe = { version = "0.19.0", features = ["persistence"] }
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serde = { version = "1", features = ["derive"] } # You only need this if you want app persistence
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nostr_rust = { git = "git://jb55.com/nostr_rust", rev = "ccf7e521fe3bb9ca8f86516aef2c1f71db0213ed" }
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ehttp = "0.2.0"
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image = { version = "0.24", features = ["jpeg", "png", "webp"] }
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egui_extras = { version = "0.19.0", features = ["image", "svg"] }
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poll-promise = "0.2.0"
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# native:
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[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
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1
rust-toolchain
Normal file
1
rust-toolchain
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@ -0,0 +1 @@
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nightly
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171
src/app.rs
171
src/app.rs
@ -1,3 +1,12 @@
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use egui::{Align, Layout, RichText, WidgetText};
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use egui_extras::RetainedImage;
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use nostr_rust::events::Event;
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use poll_promise::Promise;
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use std::borrow::{Borrow, Cow};
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use std::collections::HashMap;
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type ImageCache = HashMap<String, Promise<ehttp::Result<RetainedImage>>>;
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/// We derive Deserialize/Serialize so we can persist app state on shutdown.
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#[derive(serde::Deserialize, serde::Serialize)]
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#[serde(default)] // if we add new fields, give them default values when deserializing old state
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@ -5,6 +14,12 @@ pub struct Damus {
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// Example stuff:
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label: String,
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#[serde(skip)]
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events: Vec<Event>,
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#[serde(skip)]
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img_cache: ImageCache,
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// this how you opt-out of serialization of a member
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#[serde(skip)]
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value: f32,
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@ -15,6 +30,8 @@ impl Default for Damus {
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Self {
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// Example stuff:
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label: "Hello World!".to_owned(),
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events: vec![],
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img_cache: HashMap::new(),
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value: 2.7,
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}
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}
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@ -36,19 +53,78 @@ impl Damus {
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}
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}
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fn timeline_view(app: &mut Damus, ui: &mut egui::Ui) {
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ui.heading("Timeline");
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#[allow(clippy::needless_pass_by_value)]
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fn parse_response(response: ehttp::Response) -> Result<RetainedImage, String> {
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let content_type = response.content_type().unwrap_or_default();
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ui.horizontal(|ui| {
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ui.label("Write something: ");
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ui.text_edit_singleline(&mut app.label);
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if content_type.starts_with("image/svg+xml") {
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RetainedImage::from_svg_bytes(&response.url, &response.bytes)
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} else if content_type.starts_with("image/") {
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RetainedImage::from_image_bytes(&response.url, &response.bytes)
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} else {
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Err(format!(
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"Expected image, found content-type {:?}",
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content_type
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))
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}
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}
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fn fetch_img(ctx: &egui::Context, url: &str) -> Promise<ehttp::Result<RetainedImage>> {
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let (sender, promise) = Promise::new();
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let request = ehttp::Request::get(url);
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let ctx = ctx.clone();
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ehttp::fetch(request, move |response| {
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let image = response.and_then(parse_response);
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sender.send(image); // send the results back to the UI thread. ctx.request_repaint();
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});
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promise
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}
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ui.add(egui::Slider::new(&mut app.value, 0.0..=10.0).text("value"));
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if ui.button("Increment").clicked() {
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app.value += 1.0;
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fn render_pfp(ctx: &egui::Context, img_cache: &mut ImageCache, ui: &mut egui::Ui, url: String) {
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let m_cached_promise = img_cache.get_mut(&url);
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if m_cached_promise.is_none() {
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img_cache.insert(url.clone(), fetch_img(ctx, &url));
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}
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match img_cache[&url].ready() {
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None => {
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ui.spinner(); // still loading
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}
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Some(Err(err)) => {
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ui.colored_label(ui.visuals().error_fg_color, err); // something went wrong
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}
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Some(Ok(image)) => {
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image.show_max_size(ui, egui::vec2(64.0, 64.0));
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}
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}
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}
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fn render_event(ctx: &egui::Context, img_cache: &mut ImageCache, ui: &mut egui::Ui, ev: &Event) {
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render_pfp(
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ctx,
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img_cache,
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ui,
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//"https://damus.io/img/damus.svg".into(),
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"http://cdn.jb55.com/img/red-me.jpg".into(),
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);
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ui.label(&ev.content);
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}
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fn render_events(ctx: &egui::Context, app: &mut Damus, ui: &mut egui::Ui) {
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for ev in &app.events {
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ui.spacing_mut().item_spacing.y = 10.0;
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render_event(ctx, &mut app.img_cache, ui, ev);
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}
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}
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fn timeline_view(ctx: &egui::Context, app: &mut Damus, ui: &mut egui::Ui) {
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ui.heading("Timeline");
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egui::ScrollArea::vertical().show(ui, |ui| {
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render_events(ctx, app, ui);
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});
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/*
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ui.with_layout(egui::Layout::bottom_up(egui::Align::LEFT), |ui| {
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ui.horizontal(|ui| {
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ui.spacing_mut().item_spacing.x = 0.0;
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@ -62,6 +138,35 @@ fn timeline_view(app: &mut Damus, ui: &mut egui::Ui) {
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ui.label(".");
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});
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});
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*/
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}
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fn render_damus(ctx: &egui::Context, _frame: &mut eframe::Frame, app: &mut Damus) {
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#[cfg(not(target_arch = "wasm32"))] // no File->Quit on web pages!
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egui::TopBottomPanel::top("top_panel").show(ctx, |ui| {
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// The top panel is often a good place for a menu bar:
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egui::menu::bar(ui, |ui| {
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ui.menu_button("File", |ui| {
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if ui.button("Quit").clicked() {
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_frame.close();
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}
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});
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});
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});
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egui::SidePanel::left("side_panel").show(ctx, |ui| timeline_view(ctx, app, ui));
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egui::CentralPanel::default().show(ctx, |ui| {
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// The central panel the region left after adding TopPanel's and SidePanel's
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ui.heading("eframe template");
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ui.hyperlink("https://github.com/emilk/eframe_template");
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ui.add(egui::github_link_file!(
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"https://github.com/emilk/eframe_template/blob/master/",
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"Source code."
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));
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egui::warn_if_debug_build(ui);
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});
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}
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impl eframe::App for Damus {
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@ -78,39 +183,25 @@ impl eframe::App for Damus {
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// Tip: a good default choice is to just keep the `CentralPanel`.
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// For inspiration and more examples, go to https://emilk.github.io/egui
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#[cfg(not(target_arch = "wasm32"))] // no File->Quit on web pages!
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egui::TopBottomPanel::top("top_panel").show(ctx, |ui| {
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// The top panel is often a good place for a menu bar:
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egui::menu::bar(ui, |ui| {
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ui.menu_button("File", |ui| {
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if ui.button("Quit").clicked() {
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_frame.close();
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}
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});
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});
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});
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let test_event = Event {
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id: "6938e3cd841f3111dbdbd909f87fd52c3d1f1e4a07fd121d1243196e532811cb".to_string(),
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pub_key: "f0a6ff7f70b872de6d82c8daec692a433fd23b6a49f25923c6f034df715cdeec".to_string(),
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created_at: 1667781968,
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kind: 1,
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tags: vec![],
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content: "yello\nthere".to_string(),
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sig: "af02c971015995f79e07fa98aaf98adeeb6a56d0005e451ee4e78844cff712a6bc0f2109f72a878975f162dcefde4173b65ebd4c3d3ab3b520a9dcac6acf092d".to_string(),
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};
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egui::SidePanel::left("side_panel").show(ctx, |ui| timeline_view(self, ui));
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egui::CentralPanel::default().show(ctx, |ui| {
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// The central panel the region left after adding TopPanel's and SidePanel's
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ui.heading("eframe template");
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ui.hyperlink("https://github.com/emilk/eframe_template");
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ui.add(egui::github_link_file!(
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"https://github.com/emilk/eframe_template/blob/master/",
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"Source code."
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));
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egui::warn_if_debug_build(ui);
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});
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if false {
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egui::Window::new("Window").show(ctx, |ui| {
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ui.label("Windows can be moved by dragging them.");
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ui.label("They are automatically sized based on contents.");
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ui.label("You can turn on resizing and scrolling if you like.");
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ui.label("You would normally chose either panels OR windows.");
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});
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if self.events.len() == 0 {
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self.events.push(test_event.clone());
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println!("{}", &self.events[0].content);
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self.events.push(test_event.clone());
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println!("{}", &self.events[1].content);
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self.events.push(test_event.clone());
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println!("{}", &self.events[2].content);
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}
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render_damus(ctx, _frame, self);
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}
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}
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