Init of the game resource viewer

resource-viewer/Cargo.toml

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+[package]
+name = "resource-viewer"
+version = "0.1.0"
+edition = "2021"
+build = "build.rs"
+
+[dependencies]
+slint = "1.0"
+
+[build-dependencies]
+slint-build = "1.0"

resource-viewer/build.rs

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

resource-viewer/src/main.rs

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

resource-viewer/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();
+            }
+        }
+    }
+}