1786018092

src/main.rs

@@ -10,6 +10,12 @@ 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()
 
     // let red = (255, 0, 0, 255);

ui/main.slint

@@ -1,16 +1,17 @@
-import { AboutSlint, Button, VerticalBox } from "std-widgets.slint";
+import { Button, VerticalBox } from "std-widgets.slint";
 
 export component AppWindow inherits Window {
+    in-out property<int> counter: 42;
+    callback request-increase-value();
     VerticalBox {
-        alignment: start;
         Text {
-            text: "Hello World!";
-            font-size: 24px;
-            horizontal-alignment: center;
+            text: "Counter: \{root.counter}";
         }
-        AboutSlint {
-            preferred-height: 150px;
+        Button {
+            text: "Increase value";
+            clicked => {
+                root.request-increase-value();
+            }
         }
-        HorizontalLayout { alignment: center; Button { text: "OK!"; } }
     }
 }