init

.gitignore

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+/target

Cargo.toml

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+[package]
+name = "cs-project"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+cxx = "1.0.135"
+eframe = { version = "0.30.0", features = ["wgpu"] }
+tracing = { version = "0.1.41", features = ["release_max_level_info"] }
+tracing-subscriber = "0.3.19"

src/app.rs

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+use eframe::egui::{Context, TextEdit, Ui};
+use eframe::{egui, Frame};
+use eframe::egui::WidgetType::TextEdit;
+
+pub struct App {
+    prompt: String,
+    output: String,
+    evaluated: String,
+}
+
+impl Default for App {
+    fn default() -> Self {
+        Self {
+            prompt: String::new(),
+            output: String::new(),
+            evaluated: String::new(),
+        }
+    }
+}
+
+impl eframe::App for App {
+    fn update(&mut self, ctx: &Context, frame: &mut Frame) {
+        egui::TopBottomPanel::top("top").show(ctx, |ui| {
+            // TODO:  get cursor position from multiline
+            TextEdit::multiline(&mut self.prompt).show(ui);
+            TextEdit::singleline(&mut self.output).show(ui);
+        });
+        egui::CentralPanel::default().show(ctx, |ui| {
+
+        });
+        // reevaluate if prompt changes
+        if self.evaluated != self.prompt {
+            self.evaluated = self.prompt.clone();
+            self.output = crate::qalculate::eval(self.prompt.clone());
+        }
+    }
+
+    fn btn(&mut self, ui: &mut Ui, label: String, expr: String) {
+        if ui.button(label).clicked() {
+            // TODO: insert expr at cursor position in prompt
+        }
+    }
+}

src/main.rs

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+use eframe::egui;
+use crate::app::App;
+
+mod app;
+mod qalculate;
+
+fn main() {
+    tracing_subscriber::fmt().with_max_level(tracing::Level::TRACE).init();
+    let no = eframe::NativeOptions {
+        viewport: egui::ViewportBuilder::default().with_inner_size([600.0, 400.0]),
+        ..Default::default()
+    };
+    eframe::run_native(
+        "YAHH",
+        no,
+        Box::new(|cc| {
+            Ok(Box::<App>::default())
+        })
+    ).unwrap()
+}

src/qalculate.rs

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+pub fn eval(expr: String) -> String {
+    let out = std::process::Command::new("qalc")
+        .arg(expr)
+        .output().map_err(|e| e.to_string());
+
+    match out {
+        Err(e) => e,
+        Ok(out) => String::from_utf8_lossy(&out.stdout).into_owned().trim().split('=').last().unwrap().trim().to_string()
+    }
+}