ZIm/crates/storybook/src/stories/focus.rs
2024-12-28 23:09:55 +00:00

119 lines
4.4 KiB
Rust

use gpui::{
actions, div, prelude::*, FocusHandle, KeyBinding, Render, Subscription, View, WindowContext,
};
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 view(cx: &mut WindowContext) -> View<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_view(move |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, |_, _| {
println!("Parent focused");
}),
cx.on_blur(&parent_focus, |_, _| {
println!("Parent blurred");
}),
cx.on_focus(&child_1_focus, |_, _| {
println!("Child 1 focused");
}),
cx.on_blur(&child_1_focus, |_, _| {
println!("Child 1 blurred");
}),
cx.on_focus(&child_2_focus, |_, _| {
println!("Child 2 focused");
}),
cx.on_blur(&child_2_focus, |_, _| {
println!("Child 2 blurred");
}),
];
Self {
parent_focus,
child_1_focus,
child_2_focus,
_focus_subscriptions,
}
})
}
}
impl Render for FocusStory {
fn render(&mut self, cx: &mut ViewContext<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, _cx| {
println!("Action A dispatched on parent");
}))
.on_action(cx.listener(|_, _action: &ActionB, _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, _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, _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"),
)
}
}