guise-ui 1.4.0

A component library for gpui, Zed's GPU-accelerated UI framework: a themed palette, sizing tokens, 130+ composable components, a reactive state layer, and an in-app Safari-style inspector.
Documentation 
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//! `AICitation` — a numbered reference chip.
//!
//! An assistant that cites its sources is only useful if the citation is
//! reachable, so this is a click target, not a decoration. It stays small
//! enough to sit inline at the end of a sentence and carries the number the
//! reader can match against the [`AISources`](super::AISources) list below.

use gpui::prelude::*;
use gpui::{div, px, App, ClickEvent, ElementId, IntoElement, SharedString, Window};

use crate::devtools::Probed;
use crate::input::ClickHandler;
use crate::theme::{theme, Size};

/// One source, as cited.
#[derive(Debug, Clone, Default)]
pub struct AISource {
    /// What to show: a page title, a filename.
    pub title: String,
    /// Where it came from — a URL, a path. Shown as the subtitle.
    pub location: String,
    /// The passage the model drew on, if the provider returned one.
    pub excerpt: Option<String>,
}

impl AISource {
    pub fn new(title: impl Into<String>, location: impl Into<String>) -> Self {
        AISource {
            title: title.into(),
            location: location.into(),
            excerpt: None,
        }
    }

    pub fn excerpt(mut self, excerpt: impl Into<String>) -> Self {
        self.excerpt = Some(excerpt.into());
        self
    }
}

/// A small numbered chip pointing at a source.
#[derive(IntoElement)]
pub struct AICitation {
    id: ElementId,
    index: usize,
    label: Option<SharedString>,
    size: Size,
    on_click: Option<ClickHandler>,
}

impl AICitation {
    /// `index` is the 1-based number shown to the reader.
    pub fn new(id: impl Into<ElementId>, index: usize) -> Self {
        AICitation {
            id: id.into(),
            index,
            label: None,
            size: Size::Xs,
            on_click: None,
        }
    }

    /// Show a name beside the number — a domain, a filename.
    pub fn label(mut self, label: impl Into<SharedString>) -> Self {
        self.label = Some(label.into());
        self
    }

    pub fn size(mut self, size: Size) -> Self {
        self.size = size;
        self
    }

    pub fn on_click(
        mut self,
        handler: impl Fn(&ClickEvent, &mut Window, &mut App) + 'static,
    ) -> Self {
        self.on_click = Some(Box::new(handler));
        self
    }
}

impl RenderOnce for AICitation {
    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
        let t = theme(cx);
        let font = t.font_size(self.size);
        let dimmed = t.dimmed().hsla();
        let text_color = t.text().hsla();
        let surface = t.surface_hover().hsla();
        let primary = t.primary().hsla();
        let clickable = self.on_click.is_some();

        div()
            .id(self.id)
            .flex()
            .items_center()
            .gap(px(4.0))
            .h(px(font * 1.7))
            .px(px(6.0))
            .rounded(px(font))
            .bg(surface)
            .text_size(px(font))
            .text_color(dimmed)
            .when(clickable, |chip| {
                chip.cursor_pointer()
                    .hover(move |chip| chip.text_color(primary))
            })
            .child(
                div()
                    .text_color(text_color)
                    .child(SharedString::from(self.index.to_string())),
            )
            .children(self.label)
            .when_some(self.on_click, |chip, handler| {
                chip.on_click(move |event, window, cx| handler(event, window, cx))
            })
            .probe("AICitation")
    }
}