gpui hello world

Cargo.toml

@@ -6,3 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+gpui = { git = "https://github.com/zed-industries/zed", tag = "v0.129.2" }

flake.nix

@@ -10,13 +10,14 @@
   };
 
   outputs = { self, fenix, nixpkgs }:
-  let
+    let pkgs = nixpkgs.legacyPackages.x86_64-linux;
-    pkgs = nixpkgs.legacyPackages.x86_64-linux;
     in {
       devShell.x86_64-linux = with pkgs;
         mkShell {
           nativeBuildInputs = [
             just
+            pkg-config
+            protobuf
             (fenix.packages.x86_64-linux.fromToolchainFile {
               dir = ./.;
               sha256 = "sha256-3St/9/UKo/6lz2Kfq2VmlzHyufduALpiIKaaKX4Pq0g=";
@@ -24,7 +25,26 @@
           ];
 
           buildInputs = [
+            curl
+            fontconfig
+            freetype
+            libgit2
+            openssl
+            sqlite
+            zlib
+            zstd
+            vulkan-loader
+          ] ++ lib.optionals stdenv.isLinux [
+            alsa-lib
+            libxkbcommon
+            wayland
+            xorg.libxcb
           ];
+
+          env = {
+            WAYLAND_DISPLAY = ""; # Window has nor decoration on Wayland
+            LD_LIBRARY_PATH = with pkgs; lib.makeLibraryPath [ vulkan-loader ];
+          };
         };
 
       formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixfmt;

justfile

@@ -4,4 +4,7 @@ build:
 
 alias r := run
 run:
-	cargo run
+	nixVulkanIntel cargo run
+
+fmt:
+	nix fmt flake.nix

src/main.rs

@@ -1,3 +1,39 @@
-fn main() {
+use gpui::*;
-    println!("Hello, world!");
+
+struct HelloWorld {
+    text: SharedString,
+}
+
+impl Render for HelloWorld {
+    fn render(&mut self, _cx: &mut ViewContext<Self>) -> impl IntoElement {
+        div()
+            .flex()
+            .bg(rgb(0x2e7d32))
+            .size(Length::Definite(Pixels(300.0).into()))
+            .justify_center()
+            .items_center()
+            .shadow_lg()
+            .border()
+            .border_color(rgb(0x0000ff))
+            .text_xl()
+            .text_color(rgb(0xffffff))
+            .child(format!("Hello, {}!", &self.text))
+    }
+}
+
+fn main() {
+    App::new().run(|cx: &mut AppContext| {
+        let bounds = Bounds::centered(None, size(px(600.0), px(600.0)), cx);
+        cx.open_window(
+            WindowOptions {
+                bounds: Some(bounds),
+                ..Default::default()
+            },
+            |cx| {
+                cx.new_view(|_cx| HelloWorld {
+                    text: "World".into(),
+                })
+            },
+        );
+    });
 }