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use kael_ui::prelude::*;
use std::path::PathBuf;
struct Assets {
base: PathBuf,
}
impl kael::AssetSource for Assets {
fn load(&self, path: &str) -> Result<Option<std::borrow::Cow<'static, [u8]>>> {
std::fs::read(self.base.join(path))
.map(|data| Some(std::borrow::Cow::Owned(data)))
.map_err(|err| err.into())
}
fn list(&self, path: &str) -> Result<Vec<SharedString>> {
std::fs::read_dir(self.base.join(path))
.map(|entries| {
entries
.filter_map(|entry| {
entry
.ok()
.and_then(|entry| entry.file_name().into_string().ok())
.map(SharedString::from)
})
.collect()
})
.map_err(|err| err.into())
}
}
fn main() {
Application::new()
.with_assets(Assets {
base: PathBuf::from(env!("CARGO_MANIFEST_DIR")),
})
.run(|cx| {
kael_ui::init(cx);
kael_ui::set_icon_base_path("assets/icons");
install_theme(cx, Theme::dark());
cx.open_window(
WindowOptions {
titlebar: Some(TitlebarOptions {
title: Some("Button Features Demo".into()),
..Default::default()
}),
window_bounds: Some(WindowBounds::Windowed(Bounds {
origin: Point::default(),
size: size(px(900.0), px(700.0)),
})),
..Default::default()
},
|_, cx| cx.new(|_| ButtonFeaturesDemo::new()),
)
.unwrap();
});
}
struct ButtonFeaturesDemo {
click_count: usize,
is_loading: bool,
selected_variant: usize,
}
impl ButtonFeaturesDemo {
fn new() -> Self {
Self {
click_count: 0,
is_loading: false,
selected_variant: 0,
}
}
}
impl Render for ButtonFeaturesDemo {
fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
let theme = use_theme();
VStack::new()
.size_full()
.bg(theme.tokens.background)
.text_color(theme.tokens.foreground)
.p(px(32.0))
.gap(px(32.0))
.child(
VStack::new()
.gap(px(8.0))
.child(
div()
.text_size(px(24.0))
.font_weight(FontWeight::BOLD)
.child("Button Features Demo"),
)
.child(
div()
.text_size(px(14.0))
.text_color(theme.tokens.muted_foreground)
.child(format!("Click count: {}", self.click_count)),
),
)
// Basic Variants
.child(
VStack::new()
.gap(px(16.0))
.child(
div()
.text_size(px(18.0))
.font_weight(FontWeight::SEMIBOLD)
.child("1. Button Variants"),
)
.child(
HStack::new()
.gap(px(12.0))
.child(
Button::new("default-btn", "Default")
.variant(ButtonVariant::Default)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
)
.child(
Button::new("secondary-btn", "Secondary")
.variant(ButtonVariant::Secondary)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
)
.child(
Button::new("destructive-btn", "Destructive")
.variant(ButtonVariant::Destructive)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
)
.child(
Button::new("outline-btn", "Outline")
.variant(ButtonVariant::Outline)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
)
.child(
Button::new("ghost-btn", "Ghost")
.variant(ButtonVariant::Ghost)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
)
.child(
Button::new("link-btn", "Link")
.variant(ButtonVariant::Link)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
),
),
)
// Sizes
.child(
VStack::new()
.gap(px(16.0))
.child(
div()
.text_size(px(18.0))
.font_weight(FontWeight::SEMIBOLD)
.child("2. Button Sizes"),
)
.child(
HStack::new()
.gap(px(12.0))
.items_center()
.child(
Button::new("small-btn", "Small")
.size(ButtonSize::Sm)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
)
.child(
Button::new("medium-btn", "Medium")
.size(ButtonSize::Md)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
)
.child(
Button::new("large-btn", "Large")
.size(ButtonSize::Lg)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
),
),
)
// Icons
.child(
VStack::new()
.gap(px(16.0))
.child(
div()
.text_size(px(18.0))
.font_weight(FontWeight::SEMIBOLD)
.child("3. Buttons with Icons"),
)
.child(
HStack::new()
.gap(px(12.0))
.child(
Button::new("save-btn", "Save")
.icon(IconSource::Named("save".to_string()))
.icon_position(IconPosition::Start)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
)
.child(
Button::new("next-btn", "Next")
.icon(IconSource::Named("chevron-right".to_string()))
.icon_position(IconPosition::End)
.variant(ButtonVariant::Secondary)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
)
.child(
Button::new("delete-btn", "Delete")
.icon(IconSource::Named("trash".to_string()))
.variant(ButtonVariant::Destructive)
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
),
),
)
// Loading State
.child(
VStack::new()
.gap(px(16.0))
.child(
div()
.text_size(px(18.0))
.font_weight(FontWeight::SEMIBOLD)
.child("4. Loading State"),
)
.child(
HStack::new()
.gap(px(12.0))
.child(
Button::new(
"toggle-loading-btn",
if self.is_loading {
"Stop Loading"
} else {
"Start Loading"
},
)
.variant(ButtonVariant::Secondary)
.on_click(cx.listener(
|view, _, _, cx| {
view.is_loading = !view.is_loading;
cx.notify();
},
)),
)
.child(
Button::new("loading-btn", "Processing...")
.loading(self.is_loading)
.icon(IconSource::Named("loader".to_string()))
.on_click(cx.listener(|view, _, _, cx| {
view.click_count += 1;
cx.notify();
})),
),
),
)
// Selected State
.child(
VStack::new()
.gap(px(16.0))
.child(
div()
.text_size(px(18.0))
.font_weight(FontWeight::SEMIBOLD)
.child("5. Selected State (Toggle Buttons)"),
)
.child(
HStack::new()
.gap(px(12.0))
.child(
Button::new("variant-0", "Option 1")
.variant(ButtonVariant::Outline)
.selected(self.selected_variant == 0)
.on_click(cx.listener(|view, _, _, cx| {
view.selected_variant = 0;
cx.notify();
})),
)
.child(
Button::new("variant-1", "Option 2")
.variant(ButtonVariant::Outline)
.selected(self.selected_variant == 1)
.on_click(cx.listener(|view, _, _, cx| {
view.selected_variant = 1;
cx.notify();
})),
)
.child(
Button::new("variant-2", "Option 3")
.variant(ButtonVariant::Outline)
.selected(self.selected_variant == 2)
.on_click(cx.listener(|view, _, _, cx| {
view.selected_variant = 2;
cx.notify();
})),
),
),
)
// Disabled State
.child(
VStack::new()
.gap(px(16.0))
.child(
div()
.text_size(px(18.0))
.font_weight(FontWeight::SEMIBOLD)
.child("6. Disabled State"),
)
.child(
HStack::new()
.gap(px(12.0))
.child(Button::new("disabled-default", "Disabled").disabled(true))
.child(
Button::new("disabled-secondary", "Disabled")
.variant(ButtonVariant::Secondary)
.disabled(true),
)
.child(
Button::new("disabled-destructive", "Disabled")
.variant(ButtonVariant::Destructive)
.disabled(true),
),
),
)
}
}