Joseph T. LyonsUse try_global()b807e6f2 years agoHistory
68 lines · 1.9 KB · Rust
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use gpui::{div, Element, Render, Subscription, ViewContext};use settings::SettingsStore;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>,    _subscriptions: Vec<Subscription>,} impl ModeIndicator {    /// Construct a new mode indicator in this window.    pub fn new(cx: &mut ViewContext<Self>) -> Self {        let _subscriptions = vec![            cx.observe_global::<Vim>(|this, cx| this.update_mode(cx)),            cx.observe_global::<SettingsStore>(|this, cx| this.update_mode(cx)),        ];         let mut this = Self {            mode: None,            _subscriptions,        };        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();        };         let text = match mode {            Mode::Normal => "-- NORMAL --",            Mode::Insert => "-- INSERT --",            Mode::Visual => "-- VISUAL --",            Mode::VisualLine => "-- VISUAL LINE --",            Mode::VisualBlock => "-- VISUAL BLOCK --",        };        Label::new(text).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.    }}