Add MultiBuffer component

crates/ui2/src/components/multi_buffer.rs

@@ -0,0 +1,42 @@
+use std::marker::PhantomData;
+
+use crate::prelude::*;
+use crate::{v_stack, Buffer, Icon, IconButton, Label, LabelSize};
+
+#[derive(Element)]
+pub struct MultiBuffer<S: 'static + Send + Sync + Clone> {
+    state_type: PhantomData<S>,
+    buffers: Vec<Buffer<S>>,
+}
+
+impl<S: 'static + Send + Sync + Clone> MultiBuffer<S> {
+    pub fn new(buffers: Vec<Buffer<S>>) -> Self {
+        Self {
+            state_type: PhantomData,
+            buffers,
+        }
+    }
+
+    fn render(&mut self, cx: &mut ViewContext<S>) -> impl Element<State = S> {
+        let theme = theme(cx);
+
+        v_stack()
+            .w_full()
+            .h_full()
+            .flex_1()
+            .children(self.buffers.clone().into_iter().map(|buffer| {
+                v_stack()
+                    .child(
+                        div()
+                            .flex()
+                            .items_center()
+                            .justify_between()
+                            .p_4()
+                            .fill(theme.lowest.base.default.background)
+                            .child(Label::new("main.rs").size(LabelSize::Small))
+                            .child(IconButton::new(Icon::ArrowUpRight)),
+                    )
+                    .child(buffer)
+            }))
+    }
+}