Re-introduce auto-height in editor2 (#3471)

Release Notes:

- N/A

crates/storybook2/src/stories.rs

@@ -1,3 +1,4 @@
+mod auto_height_editor;
 mod focus;
 mod kitchen_sink;
 mod picker;
@@ -5,6 +6,7 @@ mod scroll;
 mod text;
 mod z_index;
 
+pub use auto_height_editor::*;
 pub use focus::*;
 pub use kitchen_sink::*;
 pub use picker::*;

crates/storybook2/src/stories/auto_height_editor.rs

@@ -0,0 +1,34 @@
+use editor::Editor;
+use gpui::{
+    div, white, Div, KeyBinding, ParentElement, Render, Styled, View, ViewContext, VisualContext,
+    WindowContext,
+};
+
+pub struct AutoHeightEditorStory {
+    editor: View<Editor>,
+}
+
+impl AutoHeightEditorStory {
+    pub fn new(cx: &mut WindowContext) -> View<Self> {
+        cx.bind_keys([KeyBinding::new("enter", editor::Newline, Some("Editor"))]);
+        cx.build_view(|cx| Self {
+            editor: cx.build_view(|cx| {
+                let mut editor = Editor::auto_height(3, cx);
+                editor.set_soft_wrap_mode(language::language_settings::SoftWrap::EditorWidth, cx);
+                editor
+            }),
+        })
+    }
+}
+
+impl Render for AutoHeightEditorStory {
+    type Element = Div;
+
+    fn render(&mut self, _cx: &mut ViewContext<Self>) -> Self::Element {
+        div()
+            .size_full()
+            .bg(white())
+            .text_sm()
+            .child(div().w_32().bg(gpui::black()).child(self.editor.clone()))
+    }
+}

crates/storybook2/src/story_selector.rs

@@ -12,6 +12,7 @@ use ui::prelude::*;
 #[derive(Debug, PartialEq, Eq, Clone, Copy, strum::Display, EnumString, EnumIter)]
 #[strum(serialize_all = "snake_case")]
 pub enum ComponentStory {
+    AutoHeightEditor,
     Avatar,
     Button,
     Checkbox,
@@ -34,6 +35,7 @@ pub enum ComponentStory {
 impl ComponentStory {
     pub fn story(&self, cx: &mut WindowContext) -> AnyView {
         match self {
+            Self::AutoHeightEditor => AutoHeightEditorStory::new(cx).into(),
             Self::Avatar => cx.build_view(|_| ui::AvatarStory).into(),
             Self::Button => cx.build_view(|_| ui::ButtonStory).into(),
             Self::Checkbox => cx.build_view(|_| ui::CheckboxStory).into(),