use eframe::egui; fn main() -> Result<(), eframe::Error> { env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`). let options = eframe::NativeOptions { viewport: egui::ViewportBuilder::default() .with_inner_size([1200.0, 800.0]) // wide enough for the drag-drop overlay text .with_drag_and_drop(true), ..Default::default() }; eframe::run_native( "Calcifer", options, Box::new(|_cc| Box::::default()), ) } #[derive(Default)] struct MyApp { picked_path: Option, } impl eframe::App for MyApp { fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) { egui::SidePanel::left("my_left_panel").show(ctx, |ui| { ui.label("Tree ?"); }); egui::CentralPanel::default().show(ctx, |ui| { if ui.button("Open fileā€¦").clicked() { if let Some(path) = rfd::FileDialog::new().pick_file() { self.picked_path = Some(path.display().to_string()); } } ui.label("Code"); if let Some(picked_path) = &self.picked_path { ui.horizontal(|ui| { ui.label("Picked file:"); ui.monospace(picked_path); }); } }); egui::TopBottomPanel::bottom("terminal").show(ctx, |ui| { ui.label("Terminal"); }); } }