extern crate alloc;
#[cfg(feature = "std")]
use crate::app::{App, RendererFactory};
use crate::components::{Button, Checkbox, ProgressBar, Slider, Switch, TabBar, Text, TextInput};
use crate::ecs::{Entity, World};
use crate::event::GestureHandler;
use crate::event::gesture::GestureEvent;
use crate::prelude::*;
#[cfg(feature = "std")]
use crate::surface::Surface;
use crate::widget::Theme;
use crate::widget::theme::{self, ColorToken};
use alloc::vec::Vec;
pub struct ThemeChoice(pub Theme);
pub const ACCENT: ColorToken = ColorToken::custom("accent");
pub fn dark_with_accent() -> Theme {
Theme::dark().with(ACCENT, Color::rgb(255, 200, 60))
}
pub fn light_with_accent() -> Theme {
Theme::light().with(ACCENT, Color::rgb(220, 60, 90))
}
pub fn custom_theme() -> Theme {
Theme::dark().with_many([
(ColorToken::Primary, Color::rgb(255, 105, 180)),
(ColorToken::OnPrimary, Color::rgb(20, 20, 30)),
(ColorToken::Success, Color::rgb(255, 200, 60)),
(ColorToken::Surface, Color::rgb(38, 28, 50)),
(ColorToken::SurfaceVariant, Color::rgb(70, 50, 90)),
(ColorToken::OnSurface, Color::rgb(245, 235, 255)),
(ColorToken::OnSurfaceVariant, Color::rgb(180, 150, 200)),
(ACCENT, Color::rgb(140, 200, 220)),
])
}
fn theme_swap_handler(world: &mut World, entity: Entity, event: &GestureEvent) -> bool {
if !matches!(event, GestureEvent::Tap { .. }) {
return false;
}
let Some(theme) = world.get::<ThemeChoice>(entity).map(|c| c.0.clone()) else {
return false;
};
theme::set_theme(world, theme);
true
}
pub fn build_widgets(world: &mut World, parent: Entity) {
ui! {
:(
parent: parent
world: world
:)
Row (height: 44, padding: Padding::all(12)) {
Button (
grow: 1.0,
height: 36,
border_radius: 6,
text_color: ColorToken::OnPrimary,
normal_color: Color::rgb(40, 50, 70),
pressed_color: Color::rgb(20, 25, 35)
) [
ThemeChoice(dark_with_accent()),
GestureHandler {
on_gesture: theme_swap_handler,
},
] {
Text ("Dark") {}
}
Button (
grow: 1.0,
height: 36,
border_radius: 6,
text_color: ColorToken::OnPrimary,
normal_color: Color::rgb(0, 100, 200),
pressed_color: Color::rgb(0, 70, 150)
) [
ThemeChoice(light_with_accent()),
GestureHandler {
on_gesture: theme_swap_handler,
},
] {
Text ("Light") {}
}
Button (
grow: 1.0,
height: 36,
border_radius: 6,
text_color: ColorToken::OnPrimary,
normal_color: Color::rgb(255, 105, 180),
pressed_color: Color::rgb(200, 70, 140)
) [
ThemeChoice(custom_theme()),
GestureHandler {
on_gesture: theme_swap_handler,
},
] {
Text ("Custom") {}
}
}
};
ui! {
:(
parent: parent
world: world
:)
Column (grow: 1.0) {
Row (height: 28, align: AlignItems::Center) {
View (width: 90) {
Text ("Slider") {}
}
Slider (
min: Fixed::ZERO,
max: Fixed::from_int(100),
grow: 1.0,
height: 20
) {}
}
Row (height: 36, align: AlignItems::Center) {
View (width: 90) {
Text ("Switch") {}
}
Switch (width: 56, height: 28) {}
}
Row (height: 36, align: AlignItems::Center) {
View (width: 90) {
Text ("Checkbox") {}
}
Checkbox (width: 24, height: 24, border_radius: 4) {}
}
Row (height: 28, align: AlignItems::Center) {
View (width: 90) {
Text ("Progress") {}
}
ProgressBar (grow: 1.0, height: 12, border_radius: 6) {}
}
Row (height: 36, align: AlignItems::Center) {
View (width: 90) {
Text ("Input") {}
}
TextInput (grow: 1.0, height: 28) {}
}
Row (height: 24, align: AlignItems::Center) {
View (width: 90) {
Text ("Tabs") {}
}
TabBar (count: 3, grow: 1.0, height: 24) {
View (grow: 1.0) {}
View (grow: 1.0) {}
View (grow: 1.0) {}
}
}
Row (height: 32, align: AlignItems::Center) {
View (width: 120) {
Text ("Custom 'accent'") {}
}
View (width: 32, height: 24, border_radius: 4, bg_color: ACCENT) {}
}
}
};
let pbs: Vec<Entity> = world.query::<ProgressBar>().collect();
for pb in pbs {
if let Some(p) = world.get_mut::<ProgressBar>(pb) {
p.value = 0.6;
}
}
}
#[cfg(feature = "std")]
pub fn setup_app<B, F>(app: &mut App<B, F>, parent: Entity)
where
B: Surface,
F: RendererFactory<B>,
{
app.with_theme(dark_with_accent());
build_widgets(&mut app.world, parent);
}
#[cfg(test)]
mod tests {
use super::*;
use crate::widget::IdMap;
use crate::widget::builder::WidgetBuilder;
#[test]
fn build_widgets_smoke() {
let mut world = World::new();
world.insert_resource(IdMap::new());
world.insert_resource(dark_with_accent());
let parent = WidgetBuilder::new(&mut world).id();
build_widgets(&mut world, parent);
assert!(
world
.get::<crate::widget::Children>(parent)
.is_some_and(|c| !c.0.is_empty())
);
}
}