Add MultiBuffer component

crates/storybook2/src/stories/components.rs

@@ -7,6 +7,7 @@ pub mod command_palette;
 pub mod context_menu;
 pub mod facepile;
 pub mod keybinding;
+pub mod multi_buffer;
 pub mod palette;
 pub mod panel;
 pub mod project_panel;

crates/storybook2/src/stories/components/multi_buffer.rs

@@ -0,0 +1,34 @@
+use std::marker::PhantomData;
+
+use ui::prelude::*;
+use ui::{hello_world_rust_buffer_example, MultiBuffer};
+
+use crate::story::Story;
+
+#[derive(Element)]
+pub struct MultiBufferStory<S: 'static + Send + Sync + Clone> {
+    state_type: PhantomData<S>,
+}
+
+impl<S: 'static + Send + Sync + Clone> MultiBufferStory<S> {
+    pub fn new() -> Self {
+        Self {
+            state_type: PhantomData,
+        }
+    }
+
+    fn render(&mut self, cx: &mut ViewContext<S>) -> impl Element<State = S> {
+        let theme = theme(cx);
+
+        Story::container(cx)
+            .child(Story::title_for::<_, MultiBuffer<S>>(cx))
+            .child(Story::label(cx, "Default"))
+            .child(MultiBuffer::new(vec![
+                hello_world_rust_buffer_example(&theme),
+                hello_world_rust_buffer_example(&theme),
+                hello_world_rust_buffer_example(&theme),
+                hello_world_rust_buffer_example(&theme),
+                hello_world_rust_buffer_example(&theme),
+            ]))
+    }
+}

crates/storybook2/src/story_selector.rs

@@ -45,6 +45,7 @@ pub enum ComponentStory {
     ContextMenu,
     Facepile,
     Keybinding,
+    MultiBuffer,
     Palette,
     Panel,
     ProjectPanel,
@@ -76,6 +77,7 @@ impl ComponentStory {
             Self::ContextMenu => components::context_menu::ContextMenuStory::new().into_any(),
             Self::Facepile => components::facepile::FacepileStory::new().into_any(),
             Self::Keybinding => components::keybinding::KeybindingStory::new().into_any(),
+            Self::MultiBuffer => components::multi_buffer::MultiBufferStory::new().into_any(),
             Self::Palette => components::palette::PaletteStory::new().into_any(),
             Self::Panel => components::panel::PanelStory::new().into_any(),
             Self::ProjectPanel => components::project_panel::ProjectPanelStory::new().into_any(),

crates/ui2/src/components.rs

@@ -10,6 +10,7 @@ mod facepile;
 mod icon_button;
 mod keybinding;
 mod list;
+mod multi_buffer;
 mod palette;
 mod panel;
 mod panes;
@@ -37,6 +38,7 @@ pub use facepile::*;
 pub use icon_button::*;
 pub use keybinding::*;
 pub use list::*;
+pub use multi_buffer::*;
 pub use palette::*;
 pub use panel::*;
 pub use panes::*;

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)
+            }))
+    }
+}