1 files changed, 37 insertions, 40 deletions

diff --git a/examples/integration/src/controls.rs b/examples/integration/src/controls.rs
index 0999336b..81c35072 100644
--- a/examples/integration/src/controls.rs
+++ b/examples/integration/src/controls.rs
@@ -1,11 +1,11 @@
-use crate::Scene;
-
 use iced_wgpu::Renderer;
 use iced_winit::{
-    slider, Align, Color, Column, Element, Length, Row, Slider, Text,
+    slider, Align, Color, Column, Command, Element, Length, Program, Row,
+    Slider, Text,
 };
 
 pub struct Controls {
+    background_color: Color,
     sliders: [slider::State; 3],
 }
 
@@ -17,58 +17,55 @@ pub enum Message {
 impl Controls {
     pub fn new() -> Controls {
         Controls {
+            background_color: Color::BLACK,
             sliders: Default::default(),
         }
     }
 
-    pub fn update(&self, message: Message, scene: &mut Scene) {
+    pub fn background_color(&self) -> Color {
+        self.background_color
+    }
+}
+
+impl Program for Controls {
+    type Renderer = Renderer;
+    type Message = Message;
+
+    fn update(&mut self, message: Message) -> Command<Message> {
         match message {
             Message::BackgroundColorChanged(color) => {
-                scene.background_color = color;
+                self.background_color = color;
             }
         }
+
+        Command::none()
     }
 
-    pub fn view(&mut self, scene: &Scene) -> Element<Message, Renderer> {
+    fn view(&mut self) -> Element<Message, Renderer> {
         let [r, g, b] = &mut self.sliders;
-        let background_color = scene.background_color;
+        let background_color = self.background_color;
 
         let sliders = Row::new()
             .width(Length::Units(500))
             .spacing(20)
-            .push(Slider::new(
-                r,
-                0.0..=1.0,
-                scene.background_color.r,
-                move |r| {
-                    Message::BackgroundColorChanged(Color {
-                        r,
-                        ..background_color
-                    })
-                },
-            ))
-            .push(Slider::new(
-                g,
-                0.0..=1.0,
-                scene.background_color.g,
-                move |g| {
-                    Message::BackgroundColorChanged(Color {
-                        g,
-                        ..background_color
-                    })
-                },
-            ))
-            .push(Slider::new(
-                b,
-                0.0..=1.0,
-                scene.background_color.b,
-                move |b| {
-                    Message::BackgroundColorChanged(Color {
-                        b,
-                        ..background_color
-                    })
-                },
-            ));
+            .push(Slider::new(r, 0.0..=1.0, background_color.r, move |r| {
+                Message::BackgroundColorChanged(Color {
+                    r,
+                    ..background_color
+                })
+            }))
+            .push(Slider::new(g, 0.0..=1.0, background_color.g, move |g| {
+                Message::BackgroundColorChanged(Color {
+                    g,
+                    ..background_color
+                })
+            }))
+            .push(Slider::new(b, 0.0..=1.0, background_color.b, move |b| {
+                Message::BackgroundColorChanged(Color {
+                    b,
+                    ..background_color
+                })
+            }));
 
         Row::new()
             .width(Length::Fill)