Add facepile, indicator, follow_group

crates/storybook/src/ui/element/indicator.rs

@@ -0,0 +1,32 @@
+use crate::theme::theme;
+use gpui2::style::StyleHelpers;
+use gpui2::{elements::div, IntoElement};
+use gpui2::{Element, ViewContext};
+
+#[derive(Element)]
+pub struct Indicator {
+    player: usize,
+}
+
+pub fn indicator() -> Indicator {
+    Indicator { player: 0 }
+}
+
+impl Indicator {
+    pub fn player(mut self, player: usize) -> Self {
+        self.player = player;
+        self
+    }
+
+    fn render<V: 'static>(&mut self, _: &mut V, cx: &mut ViewContext<V>) -> impl IntoElement<V> {
+        let theme = theme(cx);
+        let player_color = theme.players[self.player].cursor;
+
+        div()
+            .w_4()
+            .h_1()
+            .rounded_bl_sm()
+            .rounded_br_sm()
+            .fill(player_color)
+    }
+}