add sizable trait

crates/core/src/link.rs

@@ -4,9 +4,9 @@ use gpui::{
     ParentElement as _, RenderOnce, Role, SharedString, StatefulInteractiveElement as _,
     Styled as _, Window, px,
 };
-use gpui_native_theme::ActiveTheme as _;
+use gpui_native_theme::{ActiveTheme as _, Size};
 
-use crate::common::h_flex;
+use crate::common::{Sizable, h_flex};
 
 /// The click handler. When set it replaces the default `href` opening.
 type ClickHandler = Box<dyn Fn(&ClickEvent, &mut Window, &mut App)>;
@@ -17,6 +17,7 @@ pub struct Link {
     id: ElementId,
     label: Option<SharedString>,
     href: Option<SharedString>,
+    size: Size,
     disabled: bool,
     a11y_label: Option<SharedString>,
     on_click: Option<ClickHandler>,
@@ -32,6 +33,7 @@ impl Link {
             id: id.into(),
             label: None,
             href: None,
+            size: Size::default(),
             disabled: false,
             a11y_label: None,
             on_click: None,
@@ -81,18 +83,26 @@ impl Link {
     }
 }
 
+impl Sizable for Link {
+    fn apply_size(&mut self, size: Size) {
+        self.size = size;
+    }
+}
+
 impl RenderOnce for Link {
     fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
         let theme = cx.theme();
         let colors = theme.colors;
         let ramps = theme.ramps;
+        let metrics = theme.sizes.resolve(self.size);
+
         let on_click = self.on_click;
         let href = self.href;
         let a11y_label = self.a11y_label.or_else(|| self.label.clone());
 
         h_flex()
             .id(self.id)
-            .text_sm()
+            .text_size(metrics.text_size)
             .text_color(colors.accent)
             .underline()
             .role(Role::Link)