use gpui::{    actions, div, prelude::*, App, Entity, FocusHandle, KeyBinding, Render, Subscription, Window,};use ui::prelude::*; actions!(focus, [ActionA, ActionB, ActionC]); pub struct FocusStory {    parent_focus: FocusHandle,    child_1_focus: FocusHandle,    child_2_focus: FocusHandle,    _focus_subscriptions: Vec<Subscription>,} impl FocusStory {    pub fn model(window: &mut Window, cx: &mut App) -> Entity<Self> {        cx.bind_keys([            KeyBinding::new("cmd-a", ActionA, Some("parent")),            KeyBinding::new("cmd-a", ActionB, Some("child-1")),            KeyBinding::new("cmd-c", ActionC, None),        ]);         cx.new(|cx| {            let parent_focus = cx.focus_handle();            let child_1_focus = cx.focus_handle();            let child_2_focus = cx.focus_handle();            let _focus_subscriptions = vec![                cx.on_focus(&parent_focus, window, |_, _, _| {                    println!("Parent focused");                }),                cx.on_blur(&parent_focus, window, |_, _, _| {                    println!("Parent blurred");                }),                cx.on_focus(&child_1_focus, window, |_, _, _| {                    println!("Child 1 focused");                }),                cx.on_blur(&child_1_focus, window, |_, _, _| {                    println!("Child 1 blurred");                }),                cx.on_focus(&child_2_focus, window, |_, _, _| {                    println!("Child 2 focused");                }),                cx.on_blur(&child_2_focus, window, |_, _, _| {                    println!("Child 2 blurred");                }),            ];             Self {                parent_focus,                child_1_focus,                child_2_focus,                _focus_subscriptions,            }        })    }} impl Render for FocusStory {    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {        let theme = cx.theme();        let color_1 = theme.status().created;        let color_2 = theme.status().modified;        let color_4 = theme.status().conflict;        let color_5 = theme.status().ignored;        let color_6 = theme.status().renamed;        let color_7 = theme.status().hint;         div()            .id("parent")            .active(|style| style.bg(color_7))            .track_focus(&self.parent_focus)            .key_context("parent")            .on_action(cx.listener(|_, _action: &ActionA, _window, _cx| {                println!("Action A dispatched on parent");            }))            .on_action(cx.listener(|_, _action: &ActionB, _window, _cx| {                println!("Action B dispatched on parent");            }))            .on_key_down(cx.listener(|_, event, _, _| println!("Key down on parent {:?}", event)))            .on_key_up(cx.listener(|_, event, _, _| println!("Key up on parent {:?}", event)))            .size_full()            .bg(color_1)            .focus(|style| style.bg(color_2))            .child(                div()                    .track_focus(&self.child_1_focus)                    .key_context("child-1")                    .on_action(cx.listener(|_, _action: &ActionB, _window, _cx| {                        println!("Action B dispatched on child 1 during");                    }))                    .w_full()                    .h_6()                    .bg(color_4)                    .focus(|style| style.bg(color_5))                    .in_focus(|style| style.bg(color_6))                    .on_key_down(                        cx.listener(|_, event, _, _| println!("Key down on child 1 {:?}", event)),                    )                    .on_key_up(                        cx.listener(|_, event, _, _| println!("Key up on child 1 {:?}", event)),                    )                    .child("Child 1"),            )            .child(                div()                    .track_focus(&self.child_2_focus)                    .key_context("child-2")                    .on_action(cx.listener(|_, _action: &ActionC, _window, _cx| {                        println!("Action C dispatched on child 2");                    }))                    .w_full()                    .h_6()                    .bg(color_4)                    .on_key_down(                        cx.listener(|_, event, _, _| println!("Key down on child 2 {:?}", event)),                    )                    .on_key_up(                        cx.listener(|_, event, _, _| println!("Key up on child 2 {:?}", event)),                    )                    .child("Child 2"),            )    }}