c0f801dd8c
Continue #1712 ## Break Changes - The argument type of `render_item`, `render_section_header`, `render_section_footer`, `render_empty`, `render_initial`, `render_loading` in `ListDelegate` has been changed to has `&mut self` and `&mut Context<ListState<Self>>`. ```diff - fn render_item(&self, ix: IndexPath, window: &mut Window, cx: &mut App) -> Option<Self::Item> + fn render_item(&mut self, ix: IndexPath, window: &mut Window, cx: &mut Context<ListState<Self>>) -> Option<Self::Item> ```
479 lines
17 KiB
Rust
479 lines
17 KiB
Rust
use std::{sync::Arc, time::Duration};
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use fake::Fake;
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use gpui::{
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App, AppContext, Context, Entity, FocusHandle, Focusable, InteractiveElement as _, IntoElement,
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ParentElement, Render, SharedString, Styled, Task, Timer, WeakEntity, Window, div,
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prelude::FluentBuilder as _, px,
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};
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use raw_window_handle::HasWindowHandle;
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use gpui_component::{
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ActiveTheme as _, Icon, IconName, IndexPath, Placement, WindowExt as _,
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button::{Button, ButtonVariant, ButtonVariants as _},
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checkbox::Checkbox,
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date_picker::{DatePicker, DatePickerState},
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h_flex,
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input::{Input, InputState},
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list::{List, ListDelegate, ListItem, ListState},
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v_flex,
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webview::WebView,
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wry,
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};
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use crate::TestAction;
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use crate::{Story, section};
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pub struct ListItemDeletegate {
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story: WeakEntity<SheetStory>,
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confirmed_index: Option<usize>,
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selected_index: Option<usize>,
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items: Vec<Arc<String>>,
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matches: Vec<Arc<String>>,
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}
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impl ListDelegate for ListItemDeletegate {
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type Item = ListItem;
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fn items_count(&self, _: usize, _: &App) -> usize {
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self.matches.len()
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}
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fn perform_search(
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&mut self,
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query: &str,
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_: &mut Window,
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cx: &mut Context<ListState<Self>>,
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) -> Task<()> {
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let query = query.to_string();
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cx.spawn(async move |this, cx| {
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// Simulate a slow search.
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let sleep = (0.05..0.1).fake();
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Timer::after(Duration::from_secs_f64(sleep)).await;
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this.update(cx, |this, cx| {
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this.delegate_mut().matches = this
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.delegate()
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.items
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.iter()
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.filter(|item| item.to_lowercase().contains(&query.to_lowercase()))
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.cloned()
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.collect();
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cx.notify();
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})
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.ok();
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})
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}
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fn render_item(&mut self, ix: IndexPath, _: &mut Window, _: &mut Context<ListState<Self>>) -> Option<Self::Item> {
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let confirmed = Some(ix.row) == self.confirmed_index;
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if let Some(item) = self.matches.get(ix.row) {
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let list_item = ListItem::new(("item", ix.row))
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.check_icon(IconName::Check)
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.confirmed(confirmed)
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.child(
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h_flex()
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.items_center()
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.justify_between()
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.child(item.to_string()),
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)
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.suffix(|_, _| {
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Button::new("like")
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.tab_stop(false)
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.icon(IconName::Heart)
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.with_variant(ButtonVariant::Ghost)
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.size(px(18.))
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.on_click(move |_, window, cx| {
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cx.stop_propagation();
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window.prevent_default();
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println!("You have clicked like.");
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})
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});
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Some(list_item)
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} else {
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None
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}
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}
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fn render_empty(
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&mut self,
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_: &mut Window,
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cx: &mut Context<ListState<Self>>,
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) -> impl IntoElement {
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v_flex()
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.size_full()
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.child(
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Icon::new(IconName::Inbox)
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.size(px(50.))
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.text_color(cx.theme().muted_foreground),
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)
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.child("No matches found")
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.items_center()
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.justify_center()
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.p_3()
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.bg(cx.theme().muted)
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.text_color(cx.theme().muted_foreground)
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}
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fn cancel(&mut self, window: &mut Window, cx: &mut Context<ListState<Self>>) {
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_ = self.story.update(cx, |this, cx| {
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this.close_sheet(window, cx);
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});
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}
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fn confirm(&mut self, _secondary: bool, _: &mut Window, cx: &mut Context<ListState<Self>>) {
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_ = self.story.update(cx, |this, _| {
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self.confirmed_index = self.selected_index;
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if let Some(ix) = self.confirmed_index {
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if let Some(item) = self.matches.get(ix) {
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this.selected_value = Some(SharedString::from(item.to_string()));
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}
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}
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});
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}
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fn set_selected_index(
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&mut self,
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ix: Option<IndexPath>,
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_: &mut Window,
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cx: &mut Context<ListState<Self>>,
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) {
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self.selected_index = ix.map(|ix| ix.row);
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if let Some(_) = ix {
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cx.notify();
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}
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}
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}
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pub struct SheetStory {
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focus_handle: FocusHandle,
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placement: Option<Placement>,
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selected_value: Option<SharedString>,
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list: Entity<ListState<ListItemDeletegate>>,
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input1: Entity<InputState>,
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input2: Entity<InputState>,
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date: Entity<DatePickerState>,
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overlay: bool,
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overlay_closable: bool,
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}
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impl Story for SheetStory {
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fn title() -> &'static str {
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"Sheet"
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}
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fn description() -> &'static str {
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"Sheet for open a popup in the edge of the window"
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}
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fn new_view(window: &mut Window, cx: &mut App) -> Entity<impl Render> {
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Self::view(window, cx)
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}
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}
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impl SheetStory {
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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(window: &mut Window, cx: &mut Context<Self>) -> Self {
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let items: Vec<Arc<String>> = [
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"Baguette (France)",
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"Baklava (Turkey)",
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"Beef Wellington (UK)",
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"Biryani (India)",
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"Borscht (Ukraine)",
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"Bratwurst (Germany)",
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"Bulgogi (Korea)",
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"Burrito (USA)",
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"Ceviche (Peru)",
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"Chicken Tikka Masala (India)",
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"Churrasco (Brazil)",
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"Couscous (North Africa)",
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"Croissant (France)",
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"Dim Sum (China)",
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"Empanada (Argentina)",
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"Fajitas (Mexico)",
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"Falafel (Middle East)",
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"Feijoada (Brazil)",
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"Fish and Chips (UK)",
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"Fondue (Switzerland)",
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"Goulash (Hungary)",
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"Haggis (Scotland)",
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"Kebab (Middle East)",
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"Kimchi (Korea)",
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"Lasagna (Italy)",
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"Maple Syrup Pancakes (Canada)",
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"Moussaka (Greece)",
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"Pad Thai (Thailand)",
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"Paella (Spain)",
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"Pancakes (USA)",
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"Pasta Carbonara (Italy)",
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"Pavlova (Australia)",
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"Peking Duck (China)",
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"Pho (Vietnam)",
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"Pierogi (Poland)",
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"Pizza (Italy)",
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"Poutine (Canada)",
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"Pretzel (Germany)",
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"Ramen (Japan)",
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"Rendang (Indonesia)",
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"Sashimi (Japan)",
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"Satay (Indonesia)",
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"Shepherd's Pie (Ireland)",
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"Sushi (Japan)",
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"Tacos (Mexico)",
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"Tandoori Chicken (India)",
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"Tortilla (Spain)",
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"Tzatziki (Greece)",
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"Wiener Schnitzel (Austria)",
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]
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.iter()
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.map(|s| Arc::new(s.to_string()))
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.collect();
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let story = cx.entity().downgrade();
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let delegate = ListItemDeletegate {
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story,
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selected_index: None,
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confirmed_index: None,
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items: items.clone(),
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matches: items.clone(),
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};
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let list = cx.new(|cx| {
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let mut list = ListState::new(delegate, window, cx).searchable(true);
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list.focus(window, cx);
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list
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});
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let input1 = cx.new(|cx| InputState::new(window, cx).placeholder("Your Name"));
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let input2 = cx.new(|cx| {
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InputState::new(window, cx).placeholder("For test focus back on dialog close.")
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});
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let date = cx.new(|cx| DatePickerState::new(window, cx));
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Self {
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focus_handle: cx.focus_handle(),
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placement: None,
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selected_value: None,
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list,
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input1,
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input2,
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date,
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overlay: true,
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overlay_closable: true,
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}
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}
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fn open_sheet_at(&mut self, placement: Placement, window: &mut Window, cx: &mut Context<Self>) {
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let list = self.list.clone();
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let list_h = match placement {
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Placement::Left | Placement::Right => px(400.),
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Placement::Top | Placement::Bottom => px(160.),
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};
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let overlay = self.overlay;
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let overlay_closable = self.overlay_closable;
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let input1 = self.input1.clone();
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let date = self.date.clone();
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window.open_sheet_at(placement, cx, move |this, _, cx| {
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this.overlay(overlay)
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.overlay_closable(overlay_closable)
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.size(px(400.))
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.title("Sheet Title")
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.gap_4()
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.child(Input::new(&input1))
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.child(DatePicker::new(&date).placeholder("Date of Birth"))
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.child(
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Button::new("send-notification")
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.child("Test Notification")
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.on_click(|_, window, cx| {
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window.push_notification("Hello this is message from Sheet.", cx)
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}),
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)
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.child(
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List::new(&list)
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.border_1()
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.border_color(cx.theme().border)
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.rounded(cx.theme().radius)
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.size_full()
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.flex_1()
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.h(list_h),
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)
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.footer(
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h_flex()
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.gap_6()
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.items_center()
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.child(Button::new("confirm").primary().label("Confirm").on_click(
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|_, window, cx| {
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window.close_sheet(cx);
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},
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))
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.child(
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Button::new("cancel")
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.label("Cancel")
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.on_click(|_, window, cx| {
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window.close_sheet(cx);
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}),
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),
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)
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});
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}
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fn close_sheet(&mut self, _: &mut Window, cx: &mut Context<Self>) {
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self.placement = None;
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cx.notify();
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}
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fn on_action_test_action(
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&mut self,
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_: &TestAction,
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window: &mut Window,
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cx: &mut Context<Self>,
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) {
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window.push_notification("You have clicked the TestAction.", cx);
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}
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}
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impl Focusable for SheetStory {
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fn focus_handle(&self, _cx: &gpui::App) -> FocusHandle {
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self.focus_handle.clone()
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}
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}
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impl Render for SheetStory {
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fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
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div()
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.id("sheet-story")
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.track_focus(&self.focus_handle)
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.on_action(cx.listener(Self::on_action_test_action))
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.size_full()
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.child(
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v_flex()
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.gap_6()
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.child(
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h_flex()
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.id("state")
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.items_center()
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.gap_3()
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.child(
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Checkbox::new("overlay")
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.label("Overlay")
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.checked(self.overlay)
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.on_click(cx.listener(|view, _, _, cx| {
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view.overlay = !view.overlay;
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cx.notify();
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})),
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)
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.child(
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Checkbox::new("closable")
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.label("Overlay Closable")
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.checked(self.overlay_closable)
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.on_click(cx.listener(|view, _, _, cx| {
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view.overlay_closable = !view.overlay_closable;
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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("Normal Sheet")
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.child(
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Button::new("show-sheet-left")
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.outline()
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.label("Left Sheet...")
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.on_click(cx.listener(|this, _, window, cx| {
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this.open_sheet_at(Placement::Left, window, cx)
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})),
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)
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.child(
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Button::new("show-sheet-top")
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.outline()
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.label("Top Sheet...")
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.on_click(cx.listener(|this, _, window, cx| {
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this.open_sheet_at(Placement::Top, window, cx)
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})),
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)
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.child(
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Button::new("show-sheet-right")
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.outline()
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.label("Right Sheet...")
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.on_click(cx.listener(|this, _, window, cx| {
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this.open_sheet_at(Placement::Right, window, cx)
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})),
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)
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.child(
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Button::new("show-sheet-bottom")
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.outline()
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.label("Bottom Sheet...")
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.on_click(cx.listener(|this, _, window, cx| {
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this.open_sheet_at(Placement::Bottom, window, cx)
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})),
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),
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)
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.child(
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section("Focus back test")
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.max_w_md()
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.child(Input::new(&self.input2))
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.child(
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Button::new("test-action")
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.outline()
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.label("Test Action")
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.flex_shrink_0()
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.on_click(|_, window, cx| {
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window.dispatch_action(Box::new(TestAction), cx);
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})
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.tooltip(
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"This button for test dispatch action, \
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to make sure when Dialog close,\
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\nthis still can handle the action.",
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),
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),
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)
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.child(
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section("WebView in Sheet").child(
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Button::new("webview")
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.outline()
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.label("Open WebView")
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.on_click(cx.listener(|_, _, window, cx| {
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let webview = cx.new(|cx| {
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let webview = wry::WebViewBuilder::new()
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.build_as_child(
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&window.window_handle().expect("No window handle"),
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)
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.unwrap();
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WebView::new(webview, window, cx)
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});
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webview.update(cx, |webview, _| {
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webview.load_url("https://github.com/explore");
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});
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window.open_sheet(cx, move |sheet, window, cx| {
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let height =
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window.window_bounds().get_bounds().size.height;
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let webview_bounds = webview.read(cx).bounds();
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sheet.title("WebView Title").p_0().child(
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div()
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.h(height - webview_bounds.origin.y)
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.child(webview.clone()),
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)
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});
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})),
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),
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)
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.when_some(self.selected_value.clone(), |this, selected_value| {
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this.child(
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h_flex().gap_1().child("You have selected:").child(
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div()
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.child(selected_value.to_string())
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.text_color(gpui::red()),
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),
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)
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}),
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)
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}
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}
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