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Simplify integration example with Program

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This commit is contained in:
Héctor Ramón Jiménez 2020-05-21 04:54:26 +02:00
parent ae5e2c6c73
commit d54f17c6aa
3 changed files with 67 additions and 116 deletions
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77
examples/integration/src/controls.rs
View file

@ -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)