use gpui::{    AnyElement, App, BoxShadow, IntoElement, ParentElement, RenderOnce, Styled, Window, div, hsla,    point, prelude::FluentBuilder, px, relative,};use theme::ActiveTheme; use crate::{ElevationIndex, prelude::*}; use super::ButtonLike; #[derive(Clone, Copy, PartialEq)]pub enum SplitButtonStyle {    Filled,    Outlined,    Transparent,} pub enum SplitButtonKind {    ButtonLike(ButtonLike),    IconButton(IconButton),} impl From<IconButton> for SplitButtonKind {    fn from(icon_button: IconButton) -> Self {        Self::IconButton(icon_button)    }} impl From<ButtonLike> for SplitButtonKind {    fn from(button_like: ButtonLike) -> Self {        Self::ButtonLike(button_like)    }} /// /// A button with two parts: a primary action on the left and a secondary action on the right.////// The left side is a [`ButtonLike`] with the main action, while the right side can contain/// any element (typically a dropdown trigger or similar).////// The two sections are visually separated by a divider, but presented as a unified control.#[derive(IntoElement)]pub struct SplitButton {    left: SplitButtonKind,    right: AnyElement,    style: SplitButtonStyle,} impl SplitButton {    pub fn new(left: impl Into<SplitButtonKind>, right: AnyElement) -> Self {        Self {            left: left.into(),            right,            style: SplitButtonStyle::Filled,        }    }     pub fn style(mut self, style: SplitButtonStyle) -> Self {        self.style = style;        self    }} impl RenderOnce for SplitButton {    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {        let is_filled_or_outlined = matches!(            self.style,            SplitButtonStyle::Filled | SplitButtonStyle::Outlined        );         h_flex()            .when(is_filled_or_outlined, |this| {                this.rounded_sm()                    .border_1()                    .border_color(cx.theme().colors().border.opacity(0.8))            })            .when(self.style == SplitButtonStyle::Transparent, |this| {                this.gap_px()            })            .child(div().flex_grow().child(match self.left {                SplitButtonKind::ButtonLike(button) => button.into_any_element(),                SplitButtonKind::IconButton(icon) => icon.into_any_element(),            }))            .child(                div()                    .h(relative(0.8))                    .w_px()                    .bg(cx.theme().colors().border.opacity(0.5)),            )            .child(self.right)            .when(self.style == SplitButtonStyle::Filled, |this| {                this.bg(ElevationIndex::Surface.on_elevation_bg(cx))                    .shadow(vec![BoxShadow {                        color: hsla(0.0, 0.0, 0.0, 0.16),                        offset: point(px(0.), px(1.)),                        blur_radius: px(0.),                        spread_radius: px(0.),                    }])            })    }}