287 lines
9.6 KiB
Rust
287 lines
9.6 KiB
Rust
use gpui::{
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hsla, App, AppContext, Context, Entity, Focusable, Hsla, IntoElement, ParentElement, Render,
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SharedString, Styled, Subscription, Window,
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};
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use gpui_component::{
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checkbox::Checkbox,
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clipboard::Clipboard,
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h_flex,
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slider::{Slider, SliderEvent, SliderState},
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v_flex, Colorize as _, ContextModal, StyledExt,
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};
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use crate::section;
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pub struct SliderStory {
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focus_handle: gpui::FocusHandle,
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slider1: Entity<SliderState>,
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slider1_value: f32,
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slider2: Entity<SliderState>,
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slider2_value: f32,
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slider_hsl: [Entity<SliderState>; 4],
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slider_hsl_value: Hsla,
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disabled: bool,
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_subscritions: Vec<Subscription>,
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}
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impl super::Story for SliderStory {
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fn title() -> &'static str {
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"Slider"
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}
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fn description() -> &'static str {
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"Displays a slider control for selecting a value within a range."
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}
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fn new_view(window: &mut Window, cx: &mut App) -> Entity<impl Render + Focusable> {
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Self::view(window, cx)
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}
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}
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impl SliderStory {
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pub fn view(window: &mut Window, cx: &mut App) -> Entity<Self> {
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cx.new(|cx| Self::new(window, cx))
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}
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fn new(_: &mut Window, cx: &mut Context<Self>) -> Self {
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let slider1 = cx.new(|_| {
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SliderState::new()
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.min(-255.)
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.max(255.)
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.default_value(15.)
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.step(15.)
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});
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let slider2 = cx.new(|_| SliderState::new().min(0.).max(5.).step(1.0));
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let slider_hsl = [
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cx.new(|_| {
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SliderState::new()
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.min(0.)
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.max(1.)
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.step(0.01)
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.default_value(0.38)
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}),
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cx.new(|_| {
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SliderState::new()
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.min(0.)
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.max(1.)
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.step(0.01)
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.default_value(0.5)
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}),
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cx.new(|_| {
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SliderState::new()
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.min(0.)
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.max(1.)
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.step(0.01)
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.default_value(0.5)
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}),
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cx.new(|_| {
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SliderState::new()
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.min(0.)
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.max(1.)
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.step(0.01)
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.default_value(0.5)
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}),
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];
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let mut _subscritions = vec![
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cx.subscribe(&slider1, |this, _, event: &SliderEvent, cx| match event {
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SliderEvent::Change(value) => {
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this.slider1_value = *value;
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cx.notify();
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}
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}),
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cx.subscribe(&slider2, |this, _, event: &SliderEvent, cx| match event {
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SliderEvent::Change(value) => {
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this.slider2_value = *value;
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cx.notify();
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}
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}),
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];
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_subscritions.extend(
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slider_hsl
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.iter()
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.map(|slider| {
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cx.subscribe(slider, |this, _, event: &SliderEvent, cx| match event {
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SliderEvent::Change(_) => {
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this.slider_hsl_value = hsla(
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this.slider_hsl[0].read(cx).value(),
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this.slider_hsl[1].read(cx).value(),
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this.slider_hsl[2].read(cx).value(),
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this.slider_hsl[3].read(cx).value(),
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);
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cx.notify();
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}
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})
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})
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.collect::<Vec<_>>(),
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);
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slider_hsl[0].update(cx, |slider, cx| {
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cx.emit(SliderEvent::Change(slider.value()));
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});
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Self {
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focus_handle: cx.focus_handle(),
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slider1_value: 0.,
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slider2_value: 0.,
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slider1,
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slider2,
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slider_hsl,
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slider_hsl_value: gpui::red(),
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disabled: false,
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_subscritions,
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}
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}
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}
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impl Focusable for SliderStory {
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fn focus_handle(&self, _: &gpui::App) -> gpui::FocusHandle {
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self.focus_handle.clone()
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}
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}
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impl Render for SliderStory {
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fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
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let rgb = SharedString::from(self.slider_hsl_value.to_hex());
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v_flex()
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.items_center()
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.gap_y_3()
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.child(
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h_flex().justify_between().child(
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Checkbox::new("disabled")
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.checked(self.disabled)
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.label("Disabled")
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.on_click(cx.listener(|this, check: &bool, _, cx| {
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this.disabled = *check;
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cx.notify();
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})),
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),
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)
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.child(
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section("Horizontal Slider")
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.max_w_md()
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.v_flex()
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.child(
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Slider::new(&self.slider1)
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.horizontal()
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.disabled(self.disabled),
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)
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.child(format!("Value: {}", self.slider1_value)),
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)
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.child(
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section("Slider (0 - 5)")
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.max_w_md()
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.v_flex()
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.child(
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Slider::new(&self.slider2)
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.horizontal()
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.disabled(self.disabled),
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)
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.child(format!("Value: {}", self.slider2_value)),
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)
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.child(
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section(
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h_flex()
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.gap_2()
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.justify_between()
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.child("Color Picker")
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.child(
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h_flex()
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.gap_2()
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.items_center()
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.child(
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h_flex()
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.text_color(self.slider_hsl_value)
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.child(rgb.clone()),
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)
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.child(Clipboard::new("copy-hsl").value(rgb).on_copied(
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|_, window, cx| {
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window.push_notification("Color copied to clipboard.", cx)
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},
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)),
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),
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)
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.max_w_md()
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.justify_around()
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.child(
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v_flex()
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.h_32()
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.gap_3()
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.items_center()
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.justify_center()
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.child(
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Slider::new(&self.slider_hsl[0])
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.vertical()
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.reverse()
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.disabled(self.disabled),
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)
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.child(
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v_flex()
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.items_center()
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.child("Hue")
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.child(format!("{:.0}", self.slider_hsl_value.h * 360.)),
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),
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)
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.child(
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v_flex()
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.h_32()
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.gap_3()
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.items_center()
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.justify_center()
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.child(
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Slider::new(&self.slider_hsl[1])
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.vertical()
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.reverse()
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.disabled(self.disabled),
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)
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.child(
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v_flex()
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.items_center()
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.child("Saturation")
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.child(format!("{:.0}", self.slider_hsl_value.s * 100.)),
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),
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)
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.child(
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v_flex()
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.h_32()
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.gap_3()
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.items_center()
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.justify_center()
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.child(
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Slider::new(&self.slider_hsl[2])
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.vertical()
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.reverse()
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.disabled(self.disabled),
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)
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.child(
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v_flex()
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.items_center()
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.child("Lightness")
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.child(format!("{:.0}", self.slider_hsl_value.l * 100.)),
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),
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)
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.child(
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v_flex()
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.h_32()
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.gap_3()
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.items_center()
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.justify_center()
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.child(
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Slider::new(&self.slider_hsl[3])
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.vertical()
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.reverse()
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.disabled(self.disabled),
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)
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.child(
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v_flex()
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.items_center()
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.child("Alpha")
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.child(format!("{:.0}", self.slider_hsl_value.a * 100.)),
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),
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),
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)
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}
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}
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