feat(desktop): scaffold shell with browser/preview/inspector/timeline panels

apps/desktop/src/main.rs

@@ -1,38 +1,13 @@
 use gpui::{
-    App, Application, Bounds, Context, SharedString, TitlebarOptions, Window, WindowBounds,
-    WindowOptions, div, prelude::*, px, size,
+    px, size, App, AppContext, Application, Bounds, SharedString, TitlebarOptions, WindowBounds,
+    WindowOptions,
 };
 
+mod panels;
+mod shell;
 mod theme;
 
-use theme::ActiveTheme;
-
-struct Root {
-    status: SharedString,
-}
-
-impl Render for Root {
-    fn render(&mut self, window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
-        let colors = window.theme().colors;
-
-        div()
-            .flex()
-            .flex_col()
-            .gap_2()
-            .size_full()
-            .justify_center()
-            .items_center()
-            .bg(colors.background)
-            .text_color(colors.foreground)
-            .child(div().text_xl().child("OpenCut"))
-            .child(
-                div()
-                    .text_sm()
-                    .text_color(colors.muted_foreground)
-                    .child(self.status.clone()),
-            )
-    }
-}
+use shell::Shell;
 
 fn main() {
     #[cfg(target_os = "linux")]
@@ -73,9 +48,7 @@ fn main() {
                     })
                     .detach();
 
-                    Root {
-                        status: "desktop shell scaffold".into(),
-                    }
+                    Shell::new(cx)
                 })
             },
         )

apps/desktop/src/panels/browser.rs

@@ -0,0 +1,23 @@
+use gpui::{div, prelude::*, Context, Window};
+
+use crate::theme::ActiveTheme;
+
+pub(crate) struct Browser;
+
+impl Render for Browser {
+    fn render(&mut self, window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+        let colors = window.theme().colors;
+
+        div()
+            .flex()
+            .w_1_4()
+            .h_full()
+            .items_center()
+            .justify_center()
+            .border_r_1()
+            .border_color(colors.sidebar_border)
+            .bg(colors.sidebar)
+            .text_color(colors.sidebar_foreground)
+            .child("Browser")
+    }
+}

apps/desktop/src/panels/inspector.rs

@@ -0,0 +1,23 @@
+use gpui::{div, prelude::*, Context, Window};
+
+use crate::theme::ActiveTheme;
+
+pub(crate) struct Inspector;
+
+impl Render for Inspector {
+    fn render(&mut self, window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+        let colors = window.theme().colors;
+
+        div()
+            .flex()
+            .w_1_4()
+            .h_full()
+            .items_center()
+            .justify_center()
+            .border_l_1()
+            .border_color(colors.border)
+            .bg(colors.card)
+            .text_color(colors.card_foreground)
+            .child("Inspector")
+    }
+}

apps/desktop/src/panels/mod.rs

@@ -0,0 +1,9 @@
+mod browser;
+mod inspector;
+mod preview;
+mod timeline;
+
+pub(crate) use browser::Browser;
+pub(crate) use inspector::Inspector;
+pub(crate) use preview::Preview;
+pub(crate) use timeline::Timeline;

apps/desktop/src/panels/preview.rs

@@ -0,0 +1,20 @@
+use gpui::{div, prelude::*, Context, Window};
+
+use crate::theme::ActiveTheme;
+
+pub(crate) struct Preview;
+
+impl Render for Preview {
+    fn render(&mut self, window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+        let colors = window.theme().colors;
+
+        div()
+            .flex()
+            .w_1_2()
+            .h_full()
+            .items_center()
+            .justify_center()
+            .bg(colors.background)
+            .child("Preview")
+    }
+}

apps/desktop/src/panels/timeline.rs

@@ -0,0 +1,20 @@
+use gpui::{div, prelude::*, Context, Window};
+
+use crate::theme::ActiveTheme;
+
+pub(crate) struct Timeline;
+
+impl Render for Timeline {
+    fn render(&mut self, window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+        let colors = window.theme().colors;
+
+        div()
+            .flex()
+            .h_1_3()
+            .items_center()
+            .justify_center()
+            .bg(colors.card)
+            .text_color(colors.card_foreground)
+            .child("Timeline")
+    }
+}

apps/desktop/src/shell.rs

@@ -0,0 +1,49 @@
+use gpui::{div, prelude::*, App, Context, Entity, Window};
+
+use crate::panels::{Browser, Inspector, Preview, Timeline};
+use crate::theme::ActiveTheme;
+
+// Panels are entities created once in `new`, not via `cx.new` inline in
+// `render`, so each keeps its own state across renders instead of being
+// torn down and rebuilt on every frame.
+pub(crate) struct Shell {
+    browser: Entity<Browser>,
+    preview: Entity<Preview>,
+    inspector: Entity<Inspector>,
+    timeline: Entity<Timeline>,
+}
+
+impl Shell {
+    pub(crate) fn new(cx: &mut App) -> Self {
+        Self {
+            browser: cx.new(|_| Browser),
+            preview: cx.new(|_| Preview),
+            inspector: cx.new(|_| Inspector),
+            timeline: cx.new(|_| Timeline),
+        }
+    }
+}
+
+impl Render for Shell {
+    fn render(&mut self, window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+        let colors = window.theme().colors;
+
+        div()
+            .flex()
+            .flex_col()
+            .size_full()
+            .bg(colors.background)
+            .text_color(colors.foreground)
+            .child(
+                div()
+                    .flex()
+                    .h_2_3()
+                    .border_b_1()
+                    .border_color(colors.border)
+                    .child(self.browser.clone())
+                    .child(self.preview.clone())
+                    .child(self.inspector.clone()),
+            )
+            .child(self.timeline.clone())
+    }
+}