72 lines
2.1 KiB
Rust
72 lines
2.1 KiB
Rust
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use dust_lang::{interpret, Result, Value};
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use serde::{Deserialize, Serialize};
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#[derive(Deserialize, Serialize)]
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pub struct App {
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source: String,
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output: Result<Value>,
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}
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impl App {
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pub fn new(cc: &eframe::CreationContext<'_>, source: String) -> Self {
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// This is also where you can customize the look and feel of egui using
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// `cc.egui_ctx.set_visuals` and `cc.egui_ctx.set_fonts`.
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cc.egui_ctx.set_zoom_factor(1.5);
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let app = App {
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source,
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output: Ok(Value::default()),
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};
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if let Some(storage) = cc.storage {
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return eframe::get_value(storage, eframe::APP_KEY).unwrap_or(app);
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} else {
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app
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}
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}
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}
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impl eframe::App for App {
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/// Called by the frame work to save state before shutdown.
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fn save(&mut self, storage: &mut dyn eframe::Storage) {
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eframe::set_value(storage, eframe::APP_KEY, self);
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}
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/// Called each time the UI needs repainting, which may be many times per second.
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fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
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egui::TopBottomPanel::top("top_panel").show(ctx, |ui| {
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egui::menu::bar(ui, |ui| {
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if ui.button("Quit").clicked() {
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ctx.send_viewport_cmd(egui::ViewportCommand::Close);
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}
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ui.add_space(16.0);
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egui::widgets::global_dark_light_mode_buttons(ui);
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});
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});
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egui::CentralPanel::default().show(ctx, |ui| {
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ui.code_editor(&mut self.source);
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if ui.button("run").clicked() {
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self.output = interpret(&self.source);
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}
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ui.separator();
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let output_text = match &self.output {
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Ok(value) => value.to_string(),
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Err(error) => error.to_string(),
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};
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ui.label(output_text);
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ui.with_layout(egui::Layout::bottom_up(egui::Align::LEFT), |ui| {
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egui::warn_if_debug_build(ui);
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ui.hyperlink_to("source code", "https://git.jeffa.io/jeff/dust");
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});
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});
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}
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}
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