use gpui::{div, Element, Render, Subscription, ViewContext};use workspace::{item::ItemHandle, ui::prelude::*, StatusItemView}; use crate::{state::Mode, Vim}; /// The ModeIndicator displays the current mode in the status bar.pub struct ModeIndicator {    pub(crate) mode: Option<Mode>,    _subscription: Subscription,} impl ModeIndicator {    /// Construct a new mode indicator in this window.    pub fn new(cx: &mut ViewContext<Self>) -> Self {        let _subscription = cx.observe_global::<Vim>(|this, cx| this.update_mode(cx));        let mut this = Self {            mode: None,            _subscription,        };        this.update_mode(cx);        this    }     fn update_mode(&mut self, cx: &mut ViewContext<Self>) {        // Vim doesn't exist in some tests        let Some(vim) = cx.try_global::<Vim>() else {            return;        };         if vim.enabled {            self.mode = Some(vim.state().mode);        } else {            self.mode = None;        }    }} impl Render for ModeIndicator {    fn render(&mut self, _: &mut ViewContext<Self>) -> impl IntoElement {        let Some(mode) = self.mode.as_ref() else {            return div().into_any();        };         Label::new(format!("-- {} --", mode))            .size(LabelSize::Small)            .into_any_element()    }} impl StatusItemView for ModeIndicator {    fn set_active_pane_item(        &mut self,        _active_pane_item: Option<&dyn ItemHandle>,        _cx: &mut ViewContext<Self>,    ) {        // nothing to do.    }}