84 lines
2.2 KiB
Rust
84 lines
2.2 KiB
Rust
use std::marker::PhantomData;
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use crate::prelude::*;
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use crate::{theme, token, SystemColor};
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#[derive(Clone, Copy)]
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enum TrafficLightColor {
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Red,
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Yellow,
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Green,
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}
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#[derive(Element)]
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struct TrafficLight<S: 'static + Send + Sync> {
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state_type: PhantomData<S>,
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color: TrafficLightColor,
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window_has_focus: bool,
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}
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impl<S: 'static + Send + Sync> TrafficLight<S> {
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fn new(color: TrafficLightColor, window_has_focus: bool) -> Self {
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Self {
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state_type: PhantomData,
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color,
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window_has_focus,
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}
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}
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fn render(&mut self, cx: &mut ViewContext<S>) -> impl Element<State = S> {
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let theme = theme(cx);
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let system_color = SystemColor::new();
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let fill = match (self.window_has_focus, self.color) {
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(true, TrafficLightColor::Red) => system_color.mac_os_traffic_light_red,
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(true, TrafficLightColor::Yellow) => system_color.mac_os_traffic_light_yellow,
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(true, TrafficLightColor::Green) => system_color.mac_os_traffic_light_green,
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(false, _) => theme.lowest.base.active.background,
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};
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div().w_3().h_3().rounded_full().fill(fill)
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}
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}
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#[derive(Element)]
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pub struct TrafficLights<S: 'static + Send + Sync> {
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state_type: PhantomData<S>,
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window_has_focus: bool,
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}
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impl<S: 'static + Send + Sync> TrafficLights<S> {
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pub fn new() -> Self {
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Self {
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state_type: PhantomData,
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window_has_focus: true,
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}
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}
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pub fn window_has_focus(mut self, window_has_focus: bool) -> Self {
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self.window_has_focus = window_has_focus;
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self
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}
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fn render(&mut self, cx: &mut ViewContext<S>) -> impl Element<State = S> {
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let theme = theme(cx);
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let token = token();
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div()
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.flex()
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.items_center()
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.gap_2()
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.child(TrafficLight::new(
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TrafficLightColor::Red,
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self.window_has_focus,
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))
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.child(TrafficLight::new(
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TrafficLightColor::Yellow,
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self.window_has_focus,
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))
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.child(TrafficLight::new(
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TrafficLightColor::Green,
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self.window_has_focus,
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))
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}
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}
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