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use bevy::prelude::*;
use kayak_ui::prelude::{widgets::*, *};
#[derive(Component, Default, PartialEq, Clone)]
struct CurrentCount;
impl Widget for CurrentCount {}
#[derive(Component, Default, PartialEq, Clone)]
struct CurrentCountState {
foo: u32,
}
#[derive(Bundle)]
struct CurrentCountBundle {
count: CurrentCount,
styles: KStyle,
computed_styles: ComputedStyles,
widget_name: WidgetName,
}
impl Default for CurrentCountBundle {
fn default() -> Self {
Self {
count: CurrentCount,
styles: KStyle::default(),
computed_styles: ComputedStyles::default(),
widget_name: CurrentCount.get_name(),
}
}
}
fn current_count_render(
In(entity): In<Entity>,
widget_context: Res<KayakWidgetContext>,
mut commands: Commands,
query: Query<&CurrentCountState>,
) -> bool {
let state_entity =
widget_context.use_state(&mut commands, entity, CurrentCountState::default());
if let Ok(current_count) = query.get(state_entity) {
let parent_id = Some(entity);
rsx! {
<ElementBundle>
<TextWidgetBundle
text={
TextProps {
content: format!("Current Count: {}", current_count.foo),
size: 16.0,
line_height: Some(40.0),
..Default::default()
}
}
/>
<KButtonBundle
button={KButton {
text: "Click me!".into(),
}}
styles={KStyle {
font_size: (48.).into(),
height: Units::Pixels(64.).into(),
..default()
}}
on_event={OnEvent::new(
move |In(_entity): In<Entity>,
mut event: ResMut<KEvent>,
mut query: Query<&mut CurrentCountState>| {
if let EventType::Click(..) = event.event_type {
event.prevent_default();
event.stop_propagation();
if let Ok(mut current_count) = query.get_mut(state_entity) {
current_count.foo += 1;
}
}
},
)}
/>
</ElementBundle>
};
}
true
}
fn startup(
mut commands: Commands,
mut font_mapping: ResMut<FontMapping>,
asset_server: Res<AssetServer>,
) {
let camera_entity = commands
.spawn((Camera2dBundle::default(), CameraUIKayak))
.id();
font_mapping.set_default(asset_server.load("lato-light.kttf"));
let mut widget_context = KayakRootContext::new(camera_entity);
widget_context.add_plugin(KayakWidgetsContextPlugin);
let parent_id = None;
widget_context.add_widget_data::<CurrentCount, CurrentCountState>();
widget_context.add_widget_system(
CurrentCount.get_name(),
widget_update::<CurrentCount, CurrentCountState>,
current_count_render,
);
rsx! {
<KayakAppBundle>
<WindowContextProviderBundle>
<WindowBundle
window={KWindow {
title: "State Example Window 1".into(),
draggable: true,
initial_position: Vec2::new(10.0, 10.0),
size: Vec2::new(300.0, 250.0),
..KWindow::default()
}}
>
<CurrentCountBundle />
</WindowBundle>
<WindowBundle
window={KWindow {
title: "State Example Window 2".into(),
draggable: true,
initial_position: Vec2::new(500.0, 10.0),
size: Vec2::new(300.0, 250.0),
..KWindow::default()
}}
>
<CurrentCountBundle />
</WindowBundle>
</WindowContextProviderBundle>
</KayakAppBundle>
};
commands.spawn((widget_context, EventDispatcher::default()));
}
fn main() {
App::new()
.insert_resource(ClearColor(Color::rgb(0.0, 0.0, 0.0)))
.add_plugins(DefaultPlugins)
.add_plugins((KayakContextPlugin, KayakWidgets))
.add_systems(Startup, startup)
.run()
}