Desktop: Mac native menu bar

Cargo.toml

@@ -135,6 +135,7 @@ web-sys = { version = "=0.3.77", features = [
 	"ImageBitmapRenderingContext",
 ] }
 winit = { git = "https://github.com/rust-windowing/winit.git" }
+keyboard-types = "0.8"
 url = "2.5"
 tokio = { version = "1.29", features = ["fs", "macros", "io-std", "rt"] }
 vello = { git = "https://github.com/linebender/vello.git", rev = "87cc5bee6d3a34d15017dbbb58634ddc7f33ff9b" } # TODO switch back to stable when a release is made
@@ -225,3 +226,7 @@ debug = true
 [profile.profiling]
 inherits = "release"
 debug = true
+
+[patch.crates-io]
+# Force cargo to use only one version of the dpi crate (vendoring breaks without this)
+dpi = { git = "https://github.com/rust-windowing/winit.git" }

desktop/Cargo.toml

@@ -66,6 +66,7 @@ windows = { version = "0.58.0", features = [
 
 # macOS-specific dependencies
 [target.'cfg(target_os = "macos")'.dependencies]
+muda = { git = "https://github.com/tauri-apps/muda.git", rev = "3f460b8fbaed59cda6d95ceea6904f000f093f15", default-features = false }
 metal = { version = "0.31.0", optional = true }
 objc = { version = "0.2", optional = true }
 core-foundation = { version = "0.10", optional = true }

desktop/src/app.rs

@@ -19,8 +19,8 @@ use crate::event::{AppEvent, AppEventScheduler};
 use crate::persist::PersistentData;
 use crate::render::GraphicsState;
 use crate::window::Window;
-use graphite_desktop_wrapper::messages::{DesktopFrontendMessage, DesktopWrapperMessage, Platform};
-use graphite_desktop_wrapper::{DesktopWrapper, NodeGraphExecutionResult, WgpuContext, serialize_frontend_messages};
+use crate::wrapper::messages::{DesktopFrontendMessage, DesktopWrapperMessage, Platform};
+use crate::wrapper::{DesktopWrapper, NodeGraphExecutionResult, WgpuContext, serialize_frontend_messages};
 
 pub(crate) struct App {
 	cef_context: Box<dyn cef::CefContext>,
@@ -258,6 +258,11 @@ impl App {
 					}
 				});
 			}
+			DesktopFrontendMessage::UpdateMenu { entries } => {
+				if let Some(window) = &self.window {
+					window.update_menu(entries);
+				}
+			}
 		}
 	}
 
@@ -338,12 +343,15 @@ impl App {
 				tracing::info!("Exiting main event loop");
 				event_loop.exit();
 			}
+			AppEvent::MenuEvent { id } => {
+				self.dispatch_desktop_wrapper_message(DesktopWrapperMessage::MenuEvent { id });
+			}
 		}
 	}
 }
 impl ApplicationHandler for App {
 	fn can_create_surfaces(&mut self, event_loop: &dyn ActiveEventLoop) {
-		let window = Window::new(event_loop);
+		let window = Window::new(event_loop, self.app_event_scheduler.clone());
 		self.window = Some(window);
 
 		let graphics_state = GraphicsState::new(self.window.as_ref().unwrap(), self.wgpu_context.clone());

desktop/src/cef.rs

@@ -14,7 +14,7 @@
 
 use crate::event::{AppEvent, AppEventScheduler};
 use crate::render::FrameBufferRef;
-use graphite_desktop_wrapper::{WgpuContext, deserialize_editor_message};
+use crate::wrapper::{WgpuContext, deserialize_editor_message};
 use std::fs::File;
 use std::io::{Cursor, Read};
 use std::path::PathBuf;

desktop/src/event.rs

@@ -1,5 +1,5 @@
-use graphite_desktop_wrapper::NodeGraphExecutionResult;
-use graphite_desktop_wrapper::messages::DesktopWrapperMessage;
+use crate::wrapper::NodeGraphExecutionResult;
+use crate::wrapper::messages::DesktopWrapperMessage;
 
 pub(crate) enum AppEvent {
 	UiUpdate(wgpu::Texture),
@@ -9,6 +9,7 @@ pub(crate) enum AppEvent {
 	DesktopWrapperMessage(DesktopWrapperMessage),
 	NodeGraphExecutionResult(NodeGraphExecutionResult),
 	CloseWindow,
+	MenuEvent { id: u64 },
 }
 
 #[derive(Clone)]

desktop/src/gpu_context.rs

@@ -1,4 +1,4 @@
-use graphite_desktop_wrapper::{WgpuContext, WgpuContextBuilder, WgpuFeatures};
+use crate::wrapper::{WgpuContext, WgpuContextBuilder, WgpuFeatures};
 
 pub(super) async fn create_wgpu_context() -> WgpuContext {
 	let wgpu_context_builder = WgpuContextBuilder::new().with_features(WgpuFeatures::PUSH_CONSTANTS);

desktop/src/lib.rs

@@ -16,6 +16,8 @@ mod window;
 
 mod gpu_context;
 
+pub(crate) use graphite_desktop_wrapper as wrapper;
+
 use app::App;
 use cef::CefHandler;
 use cli::Cli;

desktop/src/persist.rs

@@ -1,4 +1,4 @@
-use graphite_desktop_wrapper::messages::{Document, DocumentId, Preferences};
+use crate::wrapper::messages::{Document, DocumentId, Preferences};
 
 #[derive(Default, serde::Serialize, serde::Deserialize)]
 pub(crate) struct PersistentData {

desktop/src/render/graphics_state.rs

@@ -1,6 +1,6 @@
 use crate::window::Window;
 
-use graphite_desktop_wrapper::{Color, WgpuContext, WgpuExecutor};
+use crate::wrapper::{Color, WgpuContext, WgpuExecutor};
 
 #[derive(derivative::Derivative)]
 #[derivative(Debug)]

desktop/src/window.rs

@@ -3,10 +3,13 @@ use winit::event_loop::ActiveEventLoop;
 use winit::window::{Window as WinitWindow, WindowAttributes};
 
 use crate::consts::APP_NAME;
+use crate::event::AppEventScheduler;
+use crate::wrapper::messages::MenuItem;
 
 pub(crate) trait NativeWindow {
 	fn configure(attributes: WindowAttributes, event_loop: &dyn ActiveEventLoop) -> WindowAttributes;
-	fn new(window: &dyn WinitWindow) -> Self;
+	fn new(window: &dyn WinitWindow, app_event_scheduler: AppEventScheduler) -> Self;
+	fn update_menu(&self, _entries: Vec<MenuItem>) {}
 }
 
 #[cfg(target_os = "linux")]
@@ -31,7 +34,7 @@ pub(crate) struct Window {
 }
 
 impl Window {
-	pub(crate) fn new(event_loop: &dyn ActiveEventLoop) -> Self {
+	pub(crate) fn new(event_loop: &dyn ActiveEventLoop, app_event_scheduler: AppEventScheduler) -> Self {
 		let mut attributes = WindowAttributes::default()
 			.with_title(APP_NAME)
 			.with_min_surface_size(winit::dpi::LogicalSize::new(400, 300))
@@ -42,7 +45,7 @@ impl Window {
 		attributes = native::NativeWindowImpl::configure(attributes, event_loop);
 
 		let winit_window = event_loop.create_window(attributes).unwrap();
-		let native_handle = native::NativeWindowImpl::new(winit_window.as_ref());
+		let native_handle = native::NativeWindowImpl::new(winit_window.as_ref(), app_event_scheduler);
 		Self {
 			winit_window: winit_window.into(),
 			native_handle,
@@ -84,4 +87,8 @@ impl Window {
 	pub(crate) fn set_cursor(&self, cursor: winit::cursor::Cursor) {
 		self.winit_window.set_cursor(cursor);
 	}
+
+	pub(crate) fn update_menu(&self, entries: Vec<MenuItem>) {
+		self.native_handle.update_menu(entries);
+	}
 }

desktop/src/window/linux.rs

@@ -5,12 +5,11 @@ use winit::platform::x11::WindowAttributesX11;
 use winit::window::{Window, WindowAttributes};
 
 use crate::consts::{APP_ID, APP_NAME};
-
-use super::NativeWindow;
+use crate::event::AppEventScheduler;
 
 pub(super) struct NativeWindowImpl {}
 
-impl NativeWindow for NativeWindowImpl {
+impl super::NativeWindow for NativeWindowImpl {
 	fn configure(attributes: WindowAttributes, event_loop: &dyn ActiveEventLoop) -> WindowAttributes {
 		if event_loop.is_wayland() {
 			let wayland_attributes = WindowAttributesWayland::default().with_name(APP_ID, "").with_prefer_csd(true);
@@ -21,7 +20,7 @@ impl NativeWindow for NativeWindowImpl {
 		}
 	}
 
-	fn new(_window: &dyn Window) -> Self {
+	fn new(_window: &dyn Window, _app_event_scheduler: AppEventScheduler) -> Self {
 		NativeWindowImpl {}
 	}
 }

desktop/src/window/mac.rs

@@ -1,11 +1,15 @@
 use winit::event_loop::ActiveEventLoop;
 use winit::window::{Window, WindowAttributes};
 
-use super::NativeWindow;
+use crate::consts::APP_NAME;
+use crate::event::AppEventScheduler;
+use crate::wrapper::messages::MenuItem;
 
-pub(super) struct NativeWindowImpl {}
+pub(super) struct NativeWindowImpl {
+	menu: menu::Menu,
+}
 
-impl NativeWindow for NativeWindowImpl {
+impl super::NativeWindow for NativeWindowImpl {
 	fn configure(attributes: WindowAttributes, _event_loop: &dyn ActiveEventLoop) -> WindowAttributes {
 		let mac_window = winit::platform::macos::WindowAttributesMacOS::default()
 			.with_titlebar_transparent(true)
@@ -14,7 +18,15 @@ impl NativeWindow for NativeWindowImpl {
 		attributes.with_platform_attributes(Box::new(mac_window))
 	}
 
-	fn new(_window: &dyn Window) -> Self {
-		NativeWindowImpl {}
+	fn new(_window: &dyn Window, app_event_scheduler: AppEventScheduler) -> Self {
+		let menu = menu::Menu::new(app_event_scheduler, APP_NAME);
+
+		NativeWindowImpl { menu }
+	}
+
+	fn update_menu(&self, entries: Vec<MenuItem>) {
+		self.menu.update(entries);
 	}
 }
+
+mod menu;

desktop/src/window/mac/menu.rs

@@ -0,0 +1,99 @@
+use muda::Menu as MudaMenu;
+use muda::accelerator::Accelerator;
+use muda::{AboutMetadataBuilder, CheckMenuItem, IsMenuItem, MenuEvent, MenuId, MenuItem, MenuItemKind, PredefinedMenuItem, Submenu};
+
+use crate::event::{AppEvent, AppEventScheduler};
+use crate::wrapper::messages::MenuItem as WrapperMenuItem;
+
+pub(super) struct Menu {
+	inner: MudaMenu,
+}
+
+impl Menu {
+	pub(super) fn new(event_scheduler: AppEventScheduler, app_name: &str) -> Self {
+		let about = PredefinedMenuItem::about(None, Some(AboutMetadataBuilder::new().name(Some(app_name)).build()));
+		let hide = PredefinedMenuItem::hide(None);
+		let hide_others = PredefinedMenuItem::hide_others(None);
+		let show_all = PredefinedMenuItem::show_all(None);
+		let quit = PredefinedMenuItem::quit(None);
+		let app_submenu = Submenu::with_items(
+			"",
+			true,
+			&[&about, &PredefinedMenuItem::separator(), &hide, &hide_others, &show_all, &PredefinedMenuItem::separator(), &quit],
+		)
+		.unwrap();
+
+		let menu = MudaMenu::new();
+		menu.prepend(&app_submenu).unwrap();
+
+		menu.init_for_nsapp();
+
+		MenuEvent::set_event_handler(Some(move |event: MenuEvent| {
+			if let Some(id) = menu_id_to_u64(event.id()) {
+				event_scheduler.schedule(AppEvent::MenuEvent { id });
+			}
+		}));
+
+		Menu { inner: menu }
+	}
+
+	pub(super) fn update(&self, entries: Vec<WrapperMenuItem>) {
+		// remove all items except the first (app menu)
+		self.inner.items().iter().skip(1).for_each(|item: &muda::MenuItemKind| {
+			self.inner.remove(menu_item_kind_to_dyn(item)).unwrap();
+		});
+
+		let items = menu_items_from_wrapper(entries);
+		let items = items.iter().map(|item| menu_item_kind_to_dyn(item)).collect::<Vec<&dyn IsMenuItem>>();
+		self.inner.append_items(items.as_ref()).unwrap();
+	}
+}
+
+fn menu_items_from_wrapper(entries: Vec<WrapperMenuItem>) -> Vec<MenuItemKind> {
+	let mut menu_items: Vec<MenuItemKind> = Vec::new();
+	for entry in entries {
+		match entry {
+			WrapperMenuItem::Action { id, text, enabled, shortcut } => {
+				let id = u64_to_menu_id(id);
+				let accelerator = shortcut.map(|s| Accelerator::new(Some(s.modifiers), s.key));
+				let item = MenuItem::with_id(id, text, enabled, accelerator);
+				menu_items.push(MenuItemKind::MenuItem(item));
+			}
+			WrapperMenuItem::Checkbox { id, text, enabled, shortcut, checked } => {
+				let id = u64_to_menu_id(id);
+				let accelerator = shortcut.map(|s| Accelerator::new(Some(s.modifiers), s.key));
+				let check = CheckMenuItem::with_id(id, text, enabled, checked, accelerator);
+				menu_items.push(MenuItemKind::Check(check));
+			}
+			WrapperMenuItem::SubMenu { text: name, items, .. } => {
+				let items = menu_items_from_wrapper(items);
+				let items = items.iter().map(|item| menu_item_kind_to_dyn(item)).collect::<Vec<&dyn IsMenuItem>>();
+				let submenu = Submenu::with_items(name, true, &items).unwrap();
+				menu_items.push(MenuItemKind::Submenu(submenu));
+			}
+			WrapperMenuItem::Separator => {
+				let separator = PredefinedMenuItem::separator();
+				menu_items.push(MenuItemKind::Predefined(separator));
+			}
+		}
+	}
+	menu_items
+}
+
+fn menu_item_kind_to_dyn(item: &MenuItemKind) -> &dyn IsMenuItem {
+	match item {
+		MenuItemKind::MenuItem(i) => i,
+		MenuItemKind::Submenu(i) => i,
+		MenuItemKind::Predefined(i) => i,
+		MenuItemKind::Check(i) => i,
+		MenuItemKind::Icon(i) => i,
+	}
+}
+
+fn u64_to_menu_id(id: u64) -> String {
+	format!("{id:08x}")
+}
+
+fn menu_id_to_u64(id: &MenuId) -> Option<u64> {
+	u64::from_str_radix(&id.0, 16).ok()
+}