1use gpui::{relative, AnyElement, Styled};
  2use smallvec::SmallVec;
  3
  4use crate::prelude::*;
  5
  6#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Default)]
  7pub enum LabelSize {
  8    #[default]
  9    Default,
 10    Small,
 11    XSmall,
 12}
 13
 14#[derive(Default, PartialEq, Copy, Clone)]
 15pub enum LineHeightStyle {
 16    #[default]
 17    TextLabel,
 18    /// Sets the line height to 1.
 19    UiLabel,
 20}
 21
 22/// A common set of traits all labels must implement.
 23pub trait LabelCommon {
 24    fn size(self, size: LabelSize) -> Self;
 25    fn line_height_style(self, line_height_style: LineHeightStyle) -> Self;
 26    fn color(self, color: Color) -> Self;
 27    fn strikethrough(self, strikethrough: bool) -> Self;
 28}
 29
 30#[derive(IntoElement)]
 31pub struct LabelLike {
 32    size: LabelSize,
 33    line_height_style: LineHeightStyle,
 34    pub(crate) color: Color,
 35    strikethrough: bool,
 36    children: SmallVec<[AnyElement; 2]>,
 37}
 38
 39impl LabelLike {
 40    pub fn new() -> Self {
 41        Self {
 42            size: LabelSize::Default,
 43            line_height_style: LineHeightStyle::default(),
 44            color: Color::Default,
 45            strikethrough: false,
 46            children: SmallVec::new(),
 47        }
 48    }
 49}
 50
 51impl LabelCommon for LabelLike {
 52    fn size(mut self, size: LabelSize) -> Self {
 53        self.size = size;
 54        self
 55    }
 56
 57    fn line_height_style(mut self, line_height_style: LineHeightStyle) -> Self {
 58        self.line_height_style = line_height_style;
 59        self
 60    }
 61
 62    fn color(mut self, color: Color) -> Self {
 63        self.color = color;
 64        self
 65    }
 66
 67    fn strikethrough(mut self, strikethrough: bool) -> Self {
 68        self.strikethrough = strikethrough;
 69        self
 70    }
 71}
 72
 73impl ParentElement for LabelLike {
 74    fn children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]> {
 75        &mut self.children
 76    }
 77}
 78
 79impl RenderOnce for LabelLike {
 80    fn render(self, cx: &mut WindowContext) -> impl IntoElement {
 81        div()
 82            .when(self.strikethrough, |this| {
 83                this.relative().child(
 84                    div()
 85                        .absolute()
 86                        .top_1_2()
 87                        .w_full()
 88                        .h_px()
 89                        .bg(Color::Hidden.color(cx)),
 90                )
 91            })
 92            .map(|this| match self.size {
 93                LabelSize::Default => this.text_ui(),
 94                LabelSize::Small => this.text_ui_sm(),
 95                LabelSize::XSmall => this.text_ui_xs(),
 96            })
 97            .when(self.line_height_style == LineHeightStyle::UiLabel, |this| {
 98                this.line_height(relative(1.))
 99            })
100            .text_color(self.color.color(cx))
101            .children(self.children)
102    }
103}