From 89519b152199ed46b3de0c9f1070bdd5d147c7d4 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@zed.dev>
Date: Tue, 19 Sep 2023 08:46:02 -0600
Subject: [PATCH] WIP

---
 crates/storybook/src/gpui3/app.rs           | 11 +++-
 crates/storybook/src/gpui3/geometry.rs      |  4 +-
 crates/storybook/src/gpui3/mod.rs           |  1 +
 crates/storybook/src/gpui3/platform.rs      | 58 +++++++++++++++++++++
 crates/storybook/src/gpui3/platform/test.rs |  0
 crates/storybook/src/gpui3/window.rs        | 10 +++-
 6 files changed, 79 insertions(+), 5 deletions(-)
 create mode 100644 crates/storybook/src/gpui3/platform.rs
 create mode 100644 crates/storybook/src/gpui3/platform/test.rs

diff --git a/crates/storybook/src/gpui3/app.rs b/crates/storybook/src/gpui3/app.rs
index 92e498e6adc95955e1593c74910070011ad1d351..2222070888aceb696394680e76666798607c7d95 100644
--- a/crates/storybook/src/gpui3/app.rs
+++ b/crates/storybook/src/gpui3/app.rs
@@ -1,13 +1,15 @@
 use anyhow::{anyhow, Result};
 use slotmap::SlotMap;
-use std::{any::Any, marker::PhantomData};
+use std::{any::Any, marker::PhantomData, rc::Rc};
 
 use super::{
+    platform::Platform,
     window::{Window, WindowHandle, WindowId},
     Context, LayoutId, Reference, View, WindowContext,
 };
 
 pub struct AppContext {
+    platform: Rc<dyn Platform>,
     pub(crate) entities: SlotMap<EntityId, Option<Box<dyn Any>>>,
     pub(crate) windows: SlotMap<WindowId, Option<Window>>,
     // We recycle this memory across layout requests.
@@ -15,14 +17,19 @@ pub struct AppContext {
 }
 
 impl AppContext {
-    pub fn new() -> Self {
+    pub fn new(platform: Rc<dyn Platform>) -> Self {
         AppContext {
+            platform,
             entities: SlotMap::with_key(),
             windows: SlotMap::with_key(),
             layout_id_buffer: Default::default(),
         }
     }
 
+    pub fn test() -> Self {
+        Self::new(TestPlatform::new())
+    }
+
     pub fn open_window<S: 'static>(
         &mut self,
         build_root_view: impl FnOnce(&mut WindowContext) -> View<S>,
diff --git a/crates/storybook/src/gpui3/geometry.rs b/crates/storybook/src/gpui3/geometry.rs
index f4c517138a2164af47cb32fc619523d0dde40877..64293d121bec6f067bda42e9b77213d2ddc6576d 100644
--- a/crates/storybook/src/gpui3/geometry.rs
+++ b/crates/storybook/src/gpui3/geometry.rs
@@ -31,7 +31,7 @@ unsafe impl<T: Clone + Debug + Zeroable + Pod> Zeroable for Point<T> {}
 
 unsafe impl<T: Clone + Debug + Zeroable + Pod> Pod for Point<T> {}
 
-#[derive(Refineable, Default, Clone, Copy, Debug)]
+#[derive(Refineable, Default, Clone, Copy, Debug, PartialEq)]
 #[refineable(debug)]
 pub struct Size<T: Clone + Debug> {
     pub width: T,
@@ -65,7 +65,7 @@ impl Size<Length> {
     }
 }
 
-#[derive(Refineable, Clone, Default, Debug)]
+#[derive(Refineable, Clone, Default, Debug, PartialEq)]
 #[refineable(debug)]
 pub struct Bounds<T: Clone + Debug> {
     pub origin: Point<T>,
diff --git a/crates/storybook/src/gpui3/mod.rs b/crates/storybook/src/gpui3/mod.rs
index 36c9040f38e68a9936e5e7a9a66bb73c4e18e633..79fba6f447767e0654ccc390a3c7dfba4fbb131a 100644
--- a/crates/storybook/src/gpui3/mod.rs
+++ b/crates/storybook/src/gpui3/mod.rs
@@ -3,6 +3,7 @@ mod color;
 mod element;
 mod elements;
 mod geometry;
+mod platform;
 mod renderer;
 mod scene;
 mod style;
diff --git a/crates/storybook/src/gpui3/platform.rs b/crates/storybook/src/gpui3/platform.rs
new file mode 100644
index 0000000000000000000000000000000000000000..f475ce39406ae9322dc278412b44bb3d5ef62eff
--- /dev/null
+++ b/crates/storybook/src/gpui3/platform.rs
@@ -0,0 +1,58 @@
+mod test;
+use super::{AnyWindowHandle, Bounds, Point};
+use raw_window_handle::{HasRawDisplayHandle, HasRawWindowHandle};
+
+pub trait Platform {
+    fn open_window(
+        &self,
+        handle: AnyWindowHandle,
+        options: WindowOptions,
+    ) -> Box<dyn PlatformWindow>;
+}
+
+pub trait PlatformWindow: HasRawWindowHandle + HasRawDisplayHandle {}
+
+#[derive(Debug)]
+pub struct WindowOptions<'a> {
+    pub bounds: WindowBounds,
+    pub titlebar: Option<TitlebarOptions<'a>>,
+    pub center: bool,
+    pub focus: bool,
+    pub show: bool,
+    pub kind: WindowKind,
+    pub is_movable: bool,
+}
+
+#[derive(Debug, Default)]
+pub struct TitlebarOptions<'a> {
+    pub title: Option<&'a str>,
+    pub appears_transparent: bool,
+    pub traffic_light_position: Option<Point<f32>>,
+}
+
+#[derive(Copy, Clone, Debug)]
+pub enum Appearance {
+    Light,
+    VibrantLight,
+    Dark,
+    VibrantDark,
+}
+
+impl Default for Appearance {
+    fn default() -> Self {
+        Self::Light
+    }
+}
+
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+pub enum WindowKind {
+    Normal,
+    PopUp,
+}
+
+#[derive(Copy, Clone, Debug, PartialEq)]
+pub enum WindowBounds {
+    Fullscreen,
+    Maximized,
+    Fixed(Bounds<f32>),
+}
diff --git a/crates/storybook/src/gpui3/platform/test.rs b/crates/storybook/src/gpui3/platform/test.rs
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/crates/storybook/src/gpui3/window.rs b/crates/storybook/src/gpui3/window.rs
index 3b0f561643f7b1bd6c54d71503a1d25647e8d0bb..28e0bbb8c4c415c6f51bd5276adff0ce5c221daa 100644
--- a/crates/storybook/src/gpui3/window.rs
+++ b/crates/storybook/src/gpui3/window.rs
@@ -5,7 +5,10 @@ use super::{
 use anyhow::Result;
 use derive_more::{Deref, DerefMut};
 use gpui2::Reference;
-use std::{any::Any, marker::PhantomData};
+use std::{
+    any::{Any, TypeId},
+    marker::PhantomData,
+};
 
 pub struct AnyWindow {}
 
@@ -216,6 +219,11 @@ impl<S> WindowHandle<S> {
     }
 }
 
+pub struct AnyWindowHandle {
+    id: WindowId,
+    state_type: TypeId,
+}
+
 #[derive(Clone)]
 pub struct Layout {
     pub order: u32,