guise-ui 1.5.2

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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//! `Title` — headings `h1..h6` by `order`.

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

use crate::devtools::Probed;
use crate::theme::{theme, Color};

/// A heading. `order` 1..=6 selects the heading level.
#[derive(IntoElement)]
pub struct Title {
  content: SharedString,
  order: u8,
  color: Option<Color>,
}

impl Title {
  pub fn new(content: impl Into<SharedString>) -> Self {
    Title {
      content: content.into(),
      order: 1,
      color: None,
    }
  }

  /// Heading level 1..=6 (clamped). 1 is the largest.
  pub fn order(mut self, order: u8) -> Self {
    self.order = order.clamp(1, 6);
    self
  }

  pub fn color(mut self, color: Color) -> Self {
    self.color = Some(color);
    self
  }

  fn font_size(&self) -> f32 {
    match self.order {
      1 => 34.0,
      2 => 26.0,
      3 => 22.0,
      4 => 18.0,
      5 => 16.0,
      _ => 14.0,
    }
  }
}

impl RenderOnce for Title {
  fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
    let t = theme(cx);
    let color = self.color.unwrap_or_else(|| t.text());
    let size = self.font_size();
    div()
      .min_w(px(0.0))
      .text_size(px(size))
      .font_weight(FontWeight::BOLD)
      .line_height(px(size * 1.3))
      .text_color(color.hsla())
      .child(self.content)
      .probe("Title")
      .attr_with("order", || self.order.to_string())
  }
}