use gpui::{    AnyElement, App, ClipboardItem, IntoElement, ParentElement, RenderOnce, Styled, Window,}; use crate::{Tooltip, prelude::*}; #[derive(IntoElement, RegisterComponent)]pub struct CopyButton {    message: SharedString,    icon_size: IconSize,    disabled: bool,    tooltip_label: SharedString,    visible_on_hover: Option<SharedString>,    custom_on_click: Option<Box<dyn Fn(&mut Window, &mut App) + 'static>>,} impl CopyButton {    pub fn new(message: impl Into<SharedString>) -> Self {        Self {            message: message.into(),            icon_size: IconSize::Small,            disabled: false,            tooltip_label: "Copy".into(),            visible_on_hover: None,            custom_on_click: None,        }    }     pub fn icon_size(mut self, icon_size: IconSize) -> Self {        self.icon_size = icon_size;        self    }     pub fn disabled(mut self, disabled: bool) -> Self {        self.disabled = disabled;        self    }     pub fn tooltip_label(mut self, tooltip_label: impl Into<SharedString>) -> Self {        self.tooltip_label = tooltip_label.into();        self    }     pub fn visible_on_hover(mut self, visible_on_hover: impl Into<SharedString>) -> Self {        self.visible_on_hover = Some(visible_on_hover.into());        self    }     pub fn custom_on_click(        mut self,        custom_on_click: impl Fn(&mut Window, &mut App) + 'static,    ) -> Self {        self.custom_on_click = Some(Box::new(custom_on_click));        self    }} impl RenderOnce for CopyButton {    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {        let message = self.message;        let message_clone = message.clone();         let id = format!("copy-button-{}", message_clone);         let copied = cx            .read_from_clipboard()            .map(|item| item.text().as_ref() == Some(&message_clone.into()))            .unwrap_or(false);         let (icon, color, tooltip) = if copied {            (IconName::Check, Color::Success, "Copied!".into())        } else {            (IconName::Copy, Color::Muted, self.tooltip_label)        };         let custom_on_click = self.custom_on_click;        let visible_on_hover = self.visible_on_hover;         let button = IconButton::new(id, icon)            .icon_color(color)            .icon_size(self.icon_size)            .disabled(self.disabled)            .tooltip(Tooltip::text(tooltip))            .on_click(move |_, window, cx| {                if let Some(custom_on_click) = custom_on_click.as_ref() {                    (custom_on_click)(window, cx);                } else {                    cx.stop_propagation();                    cx.write_to_clipboard(ClipboardItem::new_string(message.clone().into()));                }            });         if let Some(visible_on_hover) = visible_on_hover {            button.visible_on_hover(visible_on_hover)        } else {            button        }    }} impl Component for CopyButton {    fn scope() -> ComponentScope {        ComponentScope::Input    }     fn description() -> Option<&'static str> {        Some("An icon button that encapsulates the logic to copy a string into the clipboard.")    }     fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {        let label_text = "Here's an example label";        let mut counter: usize = 0;         let mut copy_b = || {            counter += 1;            CopyButton::new(format!(                "Here's an example label (id for uniqueness: {} — ignore this)",                counter            ))        };         let example = vec![            single_example(                "Default",                h_flex()                    .gap_1()                    .child(Label::new(label_text).size(LabelSize::Small))                    .child(copy_b())                    .into_any_element(),            ),            single_example(                "Multiple Icon Sizes",                h_flex()                    .gap_1()                    .child(Label::new(label_text).size(LabelSize::Small))                    .child(copy_b().icon_size(IconSize::XSmall))                    .child(copy_b().icon_size(IconSize::Medium))                    .child(copy_b().icon_size(IconSize::XLarge))                    .into_any_element(),            ),            single_example(                "Custom Tooltip Label",                h_flex()                    .gap_1()                    .child(Label::new(label_text).size(LabelSize::Small))                    .child(copy_b().tooltip_label("Custom tooltip label"))                    .into_any_element(),            ),            single_example(                "Visible On Hover",                h_flex()                    .group("container")                    .gap_1()                    .child(Label::new(label_text).size(LabelSize::Small))                    .child(copy_b().visible_on_hover("container"))                    .into_any_element(),            ),        ];         Some(example_group(example).vertical().into_any_element())    }}