[LM] inital commit

.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# These are backup files generated by rustfmt
+**/*.rs.bk

.vscode/extensions.json

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+{
+  "recommendations": [
+    "rust-lang.rust-analyzer",
+    "vadimcn.vscode-lldb",
+    "Slint.slint"
+  ]
+}

Cargo.toml

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+[package]
+name = "sciencecalc"
+version = "0.1.0"
+authors = ["Lukas Martin"]
+edition = "2021"
+build = "build.rs"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+slint = "1.6"
+
+[build-dependencies]
+slint-build = "1.6"

build.rs

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+fn main() {
+    slint_build::compile("ui/appwindow.slint").unwrap();
+}

src/main.rs

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+slint::include_modules!();
+
+fn main() -> Result<(), slint::PlatformError> {
+    let ui = AppWindow::new()?;
+
+    ui.on_request_increase_value({
+        let ui_handle = ui.as_weak();
+        move || {
+            let ui = ui_handle.unwrap();
+            ui.set_counter(ui.get_counter() + 1);
+        }
+    });
+
+    ui.run()
+}

ui/appwindow.slint

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+import { Button, VerticalBox } from "std-widgets.slint";
+
+export component AppWindow inherits Window {
+    in-out property <int> counter: 42;
+    callback request-increase-value();
+    VerticalBox {
+        Text {
+            text: "Counter: \{root.counter}";
+        }
+
+        Button {
+            text: "Increase value";
+            clicked => {
+                root.request-increase-value();
+            }
+            height: 35px;
+        }
+    }
+}