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