Merge pull request #1284 from iced-rs/virtual-widgets

Stateless widgets

1 files changed, 49 insertions, 0 deletions

diff --git a/examples/pure/counter/src/main.rs b/examples/pure/counter/src/main.rs
new file mode 100644
index 00000000..726009df
--- /dev/null
+++ b/examples/pure/counter/src/main.rs
@@ -0,0 +1,49 @@
+use iced::pure::{button, column, text, Element, Sandbox};
+use iced::{Alignment, Settings};
+
+pub fn main() -> iced::Result {
+    Counter::run(Settings::default())
+}
+
+struct Counter {
+    value: i32,
+}
+
+#[derive(Debug, Clone, Copy)]
+enum Message {
+    IncrementPressed,
+    DecrementPressed,
+}
+
+impl Sandbox for Counter {
+    type Message = Message;
+
+    fn new() -> Self {
+        Self { value: 0 }
+    }
+
+    fn title(&self) -> String {
+        String::from("Counter - Iced")
+    }
+
+    fn update(&mut self, message: Message) {
+        match message {
+            Message::IncrementPressed => {
+                self.value += 1;
+            }
+            Message::DecrementPressed => {
+                self.value -= 1;
+            }
+        }
+    }
+
+    fn view(&self) -> Element<Message> {
+        column()
+            .padding(20)
+            .align_items(Alignment::Center)
+            .push(button("Increment").on_press(Message::IncrementPressed))
+            .push(text(self.value.to_string()).size(50))
+            .push(button("Decrement").on_press(Message::DecrementPressed))
+            .into()
+    }
+}