Introduce app menus in `zed2` (#3511)

Antonio Scandurra created

Release Notes:

- N/A

Change summary

crates/editor2/src/display_map/block_map.rs |   8 
crates/editor2/src/display_map/wrap_map.rs  |   2 
crates/editor2/src/editor.rs                |  20 +
crates/editor2/src/editor_tests.rs          |   6 
crates/gpui2/src/app.rs                     | 101 +++++
crates/gpui2/src/app/test_context.rs        |  24 +
crates/gpui2/src/key_dispatch.rs            |  28 +
crates/gpui2/src/platform.rs                |  19 
crates/gpui2/src/platform/app_menu.rs       |  77 +++
crates/gpui2/src/platform/mac/platform.rs   | 444 +++++++++++-----------
crates/gpui2/src/platform/mac/window.rs     |   2 
crates/gpui2/src/platform/test/platform.rs  |  12 
crates/gpui2/src/window.rs                  |  28 +
crates/settings2/src/settings_file.rs       |  36 -
crates/zed2/src/app_menus.rs                | 175 +++++++++
crates/zed2/src/main.rs                     |  10 
crates/zed2/src/zed2.rs                     |  41 ++
17 files changed, 726 insertions(+), 307 deletions(-)

Detailed changes

crates/editor2/src/display_map/block_map.rs πŸ”—

@@ -993,7 +993,7 @@ mod tests {
     use super::*;
     use crate::display_map::inlay_map::InlayMap;
     use crate::display_map::{fold_map::FoldMap, tab_map::TabMap, wrap_map::WrapMap};
-    use gpui::{div, font, px, Element, Platform as _};
+    use gpui::{div, font, px, Element};
     use multi_buffer::MultiBuffer;
     use rand::prelude::*;
     use settings::SettingsStore;
@@ -1185,11 +1185,7 @@ mod tests {
     fn test_blocks_on_wrapped_lines(cx: &mut gpui::TestAppContext) {
         cx.update(|cx| init_test(cx));
 
-        let font_id = cx
-            .test_platform
-            .text_system()
-            .font_id(&font("Helvetica"))
-            .unwrap();
+        let font_id = cx.text_system().font_id(&font("Helvetica")).unwrap();
 
         let text = "one two three\nfour five six\nseven eight";
 

crates/editor2/src/display_map/wrap_map.rs πŸ”—

@@ -1032,7 +1032,7 @@ mod tests {
         display_map::{fold_map::FoldMap, inlay_map::InlayMap, tab_map::TabMap},
         MultiBuffer,
     };
-    use gpui::{font, px, test::observe, Platform};
+    use gpui::{font, px, test::observe};
     use rand::prelude::*;
     use settings::SettingsStore;
     use smol::stream::StreamExt;

crates/editor2/src/editor.rs πŸ”—

@@ -92,6 +92,7 @@ use std::{
     ops::{ControlFlow, Deref, DerefMut, Range, RangeInclusive},
     path::Path,
     sync::Arc,
+    sync::Weak,
     time::{Duration, Instant},
 };
 pub use sum_tree::Bias;
@@ -420,6 +421,25 @@ pub fn init(cx: &mut AppContext) {
         },
     )
     .detach();
+
+    cx.on_action(move |_: &workspace::NewFile, cx| {
+        let app_state = cx.global::<Weak<workspace::AppState>>();
+        if let Some(app_state) = app_state.upgrade() {
+            workspace::open_new(&app_state, cx, |workspace, cx| {
+                Editor::new_file(workspace, &Default::default(), cx)
+            })
+            .detach();
+        }
+    });
+    cx.on_action(move |_: &workspace::NewWindow, cx| {
+        let app_state = cx.global::<Weak<workspace::AppState>>();
+        if let Some(app_state) = app_state.upgrade() {
+            workspace::open_new(&app_state, cx, |workspace, cx| {
+                Editor::new_file(workspace, &Default::default(), cx)
+            })
+            .detach();
+        }
+    });
 }
 
 trait InvalidationRegion {

crates/editor2/src/editor_tests.rs πŸ”—

@@ -12,7 +12,7 @@ use futures::StreamExt;
 use gpui::{
     div,
     serde_json::{self, json},
-    Div, Flatten, Platform, TestAppContext, VisualTestContext, WindowBounds, WindowOptions,
+    Div, Flatten, TestAppContext, VisualTestContext, WindowBounds, WindowOptions,
 };
 use indoc::indoc;
 use language::{
@@ -3238,9 +3238,7 @@ async fn test_clipboard(cx: &mut gpui::TestAppContext) {
         the lazy dog"});
     cx.update_editor(|e, cx| e.copy(&Copy, cx));
     assert_eq!(
-        cx.test_platform
-            .read_from_clipboard()
-            .map(|item| item.text().to_owned()),
+        cx.read_from_clipboard().map(|item| item.text().to_owned()),
         Some("fox jumps over\n".to_owned())
     );
 

crates/gpui2/src/app.rs πŸ”—

@@ -15,10 +15,10 @@ use smol::future::FutureExt;
 pub use test_context::*;
 
 use crate::{
-    current_platform, image_cache::ImageCache, Action, ActionRegistry, Any, AnyView,
-    AnyWindowHandle, AppMetadata, AssetSource, BackgroundExecutor, ClipboardItem, Context,
+    current_platform, image_cache::ImageCache, init_app_menus, Action, ActionRegistry, Any,
+    AnyView, AnyWindowHandle, AppMetadata, AssetSource, BackgroundExecutor, ClipboardItem, Context,
     DispatchPhase, DisplayId, Entity, EventEmitter, FocusEvent, FocusHandle, FocusId,
-    ForegroundExecutor, KeyBinding, Keymap, LayoutId, PathPromptOptions, Pixels, Platform,
+    ForegroundExecutor, KeyBinding, Keymap, LayoutId, Menu, PathPromptOptions, Pixels, Platform,
     PlatformDisplay, Point, Render, SharedString, SubscriberSet, Subscription, SvgRenderer, Task,
     TextStyle, TextStyleRefinement, TextSystem, View, ViewContext, Window, WindowContext,
     WindowHandle, WindowId,
@@ -39,7 +39,10 @@ use std::{
     sync::{atomic::Ordering::SeqCst, Arc},
     time::Duration,
 };
-use util::http::{self, HttpClient};
+use util::{
+    http::{self, HttpClient},
+    ResultExt,
+};
 
 /// Temporary(?) wrapper around RefCell<AppContext> to help us debug any double borrows.
 /// Strongly consider removing after stabilization.
@@ -275,6 +278,8 @@ impl AppContext {
             }),
         });
 
+        init_app_menus(platform.as_ref(), &mut *app.borrow_mut());
+
         platform.on_quit(Box::new({
             let cx = app.clone();
             move || {
@@ -425,6 +430,10 @@ impl AppContext {
             .collect()
     }
 
+    pub fn active_window(&self) -> Option<AnyWindowHandle> {
+        self.platform.active_window()
+    }
+
     /// Opens a new window with the given option and the root view returned by the given function.
     /// The function is invoked with a `WindowContext`, which can be used to interact with window-specific
     /// functionality.
@@ -1015,6 +1024,90 @@ impl AppContext {
         activate();
         subscription
     }
+
+    pub(crate) fn clear_pending_keystrokes(&mut self) {
+        for window in self.windows() {
+            window
+                .update(self, |_, cx| {
+                    cx.window
+                        .current_frame
+                        .dispatch_tree
+                        .clear_pending_keystrokes()
+                })
+                .ok();
+        }
+    }
+
+    pub fn is_action_available(&mut self, action: &dyn Action) -> bool {
+        if let Some(window) = self.active_window() {
+            if let Ok(window_action_available) =
+                window.update(self, |_, cx| cx.is_action_available(action))
+            {
+                return window_action_available;
+            }
+        }
+
+        self.global_action_listeners
+            .contains_key(&action.as_any().type_id())
+    }
+
+    pub fn set_menus(&mut self, menus: Vec<Menu>) {
+        self.platform.set_menus(menus, &self.keymap.lock());
+    }
+
+    pub fn dispatch_action(&mut self, action: &dyn Action) {
+        if let Some(active_window) = self.active_window() {
+            active_window
+                .update(self, |_, cx| cx.dispatch_action(action.boxed_clone()))
+                .log_err();
+        } else {
+            self.propagate_event = true;
+
+            if let Some(mut global_listeners) = self
+                .global_action_listeners
+                .remove(&action.as_any().type_id())
+            {
+                for listener in &global_listeners {
+                    listener(action.as_any(), DispatchPhase::Capture, self);
+                    if !self.propagate_event {
+                        break;
+                    }
+                }
+
+                global_listeners.extend(
+                    self.global_action_listeners
+                        .remove(&action.as_any().type_id())
+                        .unwrap_or_default(),
+                );
+
+                self.global_action_listeners
+                    .insert(action.as_any().type_id(), global_listeners);
+            }
+
+            if self.propagate_event {
+                if let Some(mut global_listeners) = self
+                    .global_action_listeners
+                    .remove(&action.as_any().type_id())
+                {
+                    for listener in global_listeners.iter().rev() {
+                        listener(action.as_any(), DispatchPhase::Bubble, self);
+                        if !self.propagate_event {
+                            break;
+                        }
+                    }
+
+                    global_listeners.extend(
+                        self.global_action_listeners
+                            .remove(&action.as_any().type_id())
+                            .unwrap_or_default(),
+                    );
+
+                    self.global_action_listeners
+                        .insert(action.as_any().type_id(), global_listeners);
+                }
+            }
+        }
+    }
 }
 
 impl Context for AppContext {

crates/gpui2/src/app/test_context.rs πŸ”—

@@ -1,9 +1,10 @@
 use crate::{
     div, Action, AnyView, AnyWindowHandle, AppCell, AppContext, AsyncAppContext,
-    BackgroundExecutor, Bounds, Context, Div, Entity, EventEmitter, ForegroundExecutor, InputEvent,
-    KeyDownEvent, Keystroke, Model, ModelContext, Pixels, PlatformWindow, Point, Render, Result,
-    Size, Task, TestDispatcher, TestPlatform, TestWindow, TestWindowHandlers, View, ViewContext,
-    VisualContext, WindowBounds, WindowContext, WindowHandle, WindowOptions,
+    BackgroundExecutor, Bounds, ClipboardItem, Context, Div, Entity, EventEmitter,
+    ForegroundExecutor, InputEvent, KeyDownEvent, Keystroke, Model, ModelContext, Pixels, Platform,
+    PlatformWindow, Point, Render, Result, Size, Task, TestDispatcher, TestPlatform, TestWindow,
+    TestWindowHandlers, TextSystem, View, ViewContext, VisualContext, WindowBounds, WindowContext,
+    WindowHandle, WindowOptions,
 };
 use anyhow::{anyhow, bail};
 use futures::{Stream, StreamExt};
@@ -16,6 +17,7 @@ pub struct TestAppContext {
     pub foreground_executor: ForegroundExecutor,
     pub dispatcher: TestDispatcher,
     pub test_platform: Rc<TestPlatform>,
+    text_system: Arc<TextSystem>,
 }
 
 impl Context for TestAppContext {
@@ -82,6 +84,7 @@ impl TestAppContext {
         let platform = TestPlatform::new(background_executor.clone(), foreground_executor.clone());
         let asset_source = Arc::new(());
         let http_client = util::http::FakeHttpClient::with_404_response();
+        let text_system = Arc::new(TextSystem::new(platform.text_system()));
 
         Self {
             app: AppContext::new(platform.clone(), asset_source, http_client),
@@ -89,6 +92,7 @@ impl TestAppContext {
             foreground_executor,
             dispatcher: dispatcher.clone(),
             test_platform: platform,
+            text_system,
         }
     }
 
@@ -155,6 +159,18 @@ impl TestAppContext {
         (view, Box::leak(cx))
     }
 
+    pub fn text_system(&self) -> &Arc<TextSystem> {
+        &self.text_system
+    }
+
+    pub fn write_to_clipboard(&self, item: ClipboardItem) {
+        self.test_platform.write_to_clipboard(item)
+    }
+
+    pub fn read_from_clipboard(&self) -> Option<ClipboardItem> {
+        self.test_platform.read_from_clipboard()
+    }
+
     pub fn simulate_new_path_selection(
         &self,
         select_path: impl FnOnce(&std::path::Path) -> Option<std::path::PathBuf>,

crates/gpui2/src/key_dispatch.rs πŸ”—

@@ -28,7 +28,7 @@ pub(crate) struct DispatchTree {
 pub(crate) struct DispatchNode {
     pub key_listeners: SmallVec<[KeyListener; 2]>,
     pub action_listeners: SmallVec<[DispatchActionListener; 16]>,
-    pub context: KeyContext,
+    pub context: Option<KeyContext>,
     parent: Option<DispatchNodeId>,
 }
 
@@ -70,33 +70,33 @@ impl DispatchTree {
         });
         self.node_stack.push(node_id);
         if let Some(context) = context {
-            self.active_node().context = context.clone();
+            self.active_node().context = Some(context.clone());
             self.context_stack.push(context);
         }
     }
 
     pub fn pop_node(&mut self) {
         let node_id = self.node_stack.pop().unwrap();
-        if !self.nodes[node_id.0].context.is_empty() {
+        if self.nodes[node_id.0].context.is_some() {
             self.context_stack.pop();
         }
     }
 
-    pub fn clear_keystroke_matchers(&mut self) {
+    pub fn clear_pending_keystrokes(&mut self) {
         self.keystroke_matchers.clear();
     }
 
     /// Preserve keystroke matchers from previous frames to support multi-stroke
     /// bindings across multiple frames.
-    pub fn preserve_keystroke_matchers(&mut self, old_tree: &mut Self, focus_id: Option<FocusId>) {
+    pub fn preserve_pending_keystrokes(&mut self, old_tree: &mut Self, focus_id: Option<FocusId>) {
         if let Some(node_id) = focus_id.and_then(|focus_id| self.focusable_node_id(focus_id)) {
             let dispatch_path = self.dispatch_path(node_id);
 
             self.context_stack.clear();
             for node_id in dispatch_path {
                 let node = self.node(node_id);
-                if !node.context.is_empty() {
-                    self.context_stack.push(node.context.clone());
+                if let Some(context) = node.context.clone() {
+                    self.context_stack.push(context);
                 }
 
                 if let Some((context_stack, matcher)) = old_tree
@@ -161,6 +161,20 @@ impl DispatchTree {
         actions
     }
 
+    pub fn is_action_available(&self, action: &dyn Action, target: DispatchNodeId) -> bool {
+        for node_id in self.dispatch_path(target) {
+            let node = &self.nodes[node_id.0];
+            if node
+                .action_listeners
+                .iter()
+                .any(|listener| listener.action_type == action.as_any().type_id())
+            {
+                return true;
+            }
+        }
+        false
+    }
+
     pub fn bindings_for_action(
         &self,
         action: &dyn Action,

crates/gpui2/src/platform.rs πŸ”—

@@ -1,3 +1,4 @@
+mod app_menu;
 mod keystroke;
 #[cfg(target_os = "macos")]
 mod mac;
@@ -5,10 +6,10 @@ mod mac;
 mod test;
 
 use crate::{
-    point, size, AnyWindowHandle, BackgroundExecutor, Bounds, DevicePixels, Font, FontId,
-    FontMetrics, FontRun, ForegroundExecutor, GlobalPixels, GlyphId, InputEvent, LineLayout,
-    Pixels, Point, RenderGlyphParams, RenderImageParams, RenderSvgParams, Result, Scene,
-    SharedString, Size, TaskLabel,
+    point, size, Action, AnyWindowHandle, BackgroundExecutor, Bounds, DevicePixels, Font, FontId,
+    FontMetrics, FontRun, ForegroundExecutor, GlobalPixels, GlyphId, InputEvent, Keymap,
+    LineLayout, Pixels, Point, RenderGlyphParams, RenderImageParams, RenderSvgParams, Result,
+    Scene, SharedString, Size, TaskLabel,
 };
 use anyhow::{anyhow, bail};
 use async_task::Runnable;
@@ -32,6 +33,7 @@ use std::{
 };
 use uuid::Uuid;
 
+pub use app_menu::*;
 pub use keystroke::*;
 #[cfg(target_os = "macos")]
 pub use mac::*;
@@ -44,7 +46,7 @@ pub(crate) fn current_platform() -> Rc<dyn Platform> {
     Rc::new(MacPlatform::new())
 }
 
-pub trait Platform: 'static {
+pub(crate) trait Platform: 'static {
     fn background_executor(&self) -> BackgroundExecutor;
     fn foreground_executor(&self) -> ForegroundExecutor;
     fn text_system(&self) -> Arc<dyn PlatformTextSystem>;
@@ -59,7 +61,7 @@ pub trait Platform: 'static {
 
     fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>>;
     fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>>;
-    fn main_window(&self) -> Option<AnyWindowHandle>;
+    fn active_window(&self) -> Option<AnyWindowHandle>;
     fn open_window(
         &self,
         handle: AnyWindowHandle,
@@ -90,6 +92,11 @@ pub trait Platform: 'static {
     fn on_reopen(&self, callback: Box<dyn FnMut()>);
     fn on_event(&self, callback: Box<dyn FnMut(InputEvent) -> bool>);
 
+    fn set_menus(&self, menus: Vec<Menu>, keymap: &Keymap);
+    fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>);
+    fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>);
+    fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>);
+
     fn os_name(&self) -> &'static str;
     fn os_version(&self) -> Result<SemanticVersion>;
     fn app_version(&self) -> Result<SemanticVersion>;

crates/gpui2/src/platform/app_menu.rs πŸ”—

@@ -0,0 +1,77 @@
+use crate::{Action, AppContext, Platform};
+use util::ResultExt;
+
+pub struct Menu<'a> {
+    pub name: &'a str,
+    pub items: Vec<MenuItem<'a>>,
+}
+
+pub enum MenuItem<'a> {
+    Separator,
+    Submenu(Menu<'a>),
+    Action {
+        name: &'a str,
+        action: Box<dyn Action>,
+        os_action: Option<OsAction>,
+    },
+}
+
+impl<'a> MenuItem<'a> {
+    pub fn separator() -> Self {
+        Self::Separator
+    }
+
+    pub fn submenu(menu: Menu<'a>) -> Self {
+        Self::Submenu(menu)
+    }
+
+    pub fn action(name: &'a str, action: impl Action) -> Self {
+        Self::Action {
+            name,
+            action: Box::new(action),
+            os_action: None,
+        }
+    }
+
+    pub fn os_action(name: &'a str, action: impl Action, os_action: OsAction) -> Self {
+        Self::Action {
+            name,
+            action: Box::new(action),
+            os_action: Some(os_action),
+        }
+    }
+}
+
+#[derive(Copy, Clone, Eq, PartialEq)]
+pub enum OsAction {
+    Cut,
+    Copy,
+    Paste,
+    SelectAll,
+    Undo,
+    Redo,
+}
+
+pub(crate) fn init_app_menus(platform: &dyn Platform, cx: &mut AppContext) {
+    platform.on_will_open_app_menu(Box::new({
+        let cx = cx.to_async();
+        move || {
+            cx.update(|cx| cx.clear_pending_keystrokes()).ok();
+        }
+    }));
+
+    platform.on_validate_app_menu_command(Box::new({
+        let cx = cx.to_async();
+        move |action| {
+            cx.update(|cx| cx.is_action_available(action))
+                .unwrap_or(false)
+        }
+    }));
+
+    platform.on_app_menu_action(Box::new({
+        let cx = cx.to_async();
+        move |action| {
+            cx.update(|cx| cx.dispatch_action(action)).log_err();
+        }
+    }));
+}

crates/gpui2/src/platform/mac/platform.rs πŸ”—

@@ -1,18 +1,19 @@
-use super::BoolExt;
+use super::{events::key_to_native, BoolExt};
 use crate::{
-    AnyWindowHandle, BackgroundExecutor, ClipboardItem, CursorStyle, DisplayId, ForegroundExecutor,
-    InputEvent, MacDispatcher, MacDisplay, MacDisplayLinker, MacTextSystem, MacWindow,
-    PathPromptOptions, Platform, PlatformDisplay, PlatformTextSystem, PlatformWindow, Result,
-    SemanticVersion, VideoTimestamp, WindowOptions,
+    Action, AnyWindowHandle, BackgroundExecutor, ClipboardItem, CursorStyle, DisplayId,
+    ForegroundExecutor, InputEvent, Keymap, MacDispatcher, MacDisplay, MacDisplayLinker,
+    MacTextSystem, MacWindow, Menu, MenuItem, PathPromptOptions, Platform, PlatformDisplay,
+    PlatformTextSystem, PlatformWindow, Result, SemanticVersion, VideoTimestamp, WindowOptions,
 };
 use anyhow::anyhow;
 use block::ConcreteBlock;
 use cocoa::{
     appkit::{
         NSApplication, NSApplicationActivationPolicy::NSApplicationActivationPolicyRegular,
-        NSModalResponse, NSOpenPanel, NSPasteboard, NSPasteboardTypeString, NSSavePanel, NSWindow,
+        NSEventModifierFlags, NSMenu, NSMenuItem, NSModalResponse, NSOpenPanel, NSPasteboard,
+        NSPasteboardTypeString, NSSavePanel, NSWindow,
     },
-    base::{id, nil, BOOL, YES},
+    base::{id, nil, selector, BOOL, YES},
     foundation::{
         NSArray, NSAutoreleasePool, NSBundle, NSData, NSInteger, NSProcessInfo, NSString,
         NSUInteger, NSURL,
@@ -155,12 +156,12 @@ pub struct MacPlatformState {
     reopen: Option<Box<dyn FnMut()>>,
     quit: Option<Box<dyn FnMut()>>,
     event: Option<Box<dyn FnMut(InputEvent) -> bool>>,
-    // menu_command: Option<Box<dyn FnMut(&dyn Action)>>,
-    // validate_menu_command: Option<Box<dyn FnMut(&dyn Action) -> bool>>,
+    menu_command: Option<Box<dyn FnMut(&dyn Action)>>,
+    validate_menu_command: Option<Box<dyn FnMut(&dyn Action) -> bool>>,
     will_open_menu: Option<Box<dyn FnMut()>>,
+    menu_actions: Vec<Box<dyn Action>>,
     open_urls: Option<Box<dyn FnMut(Vec<String>)>>,
     finish_launching: Option<Box<dyn FnOnce()>>,
-    // menu_actions: Vec<Box<dyn Action>>,
 }
 
 impl MacPlatform {
@@ -179,12 +180,12 @@ impl MacPlatform {
             reopen: None,
             quit: None,
             event: None,
+            menu_command: None,
+            validate_menu_command: None,
             will_open_menu: None,
+            menu_actions: Default::default(),
             open_urls: None,
             finish_launching: None,
-            // menu_command: None,
-            // validate_menu_command: None,
-            // menu_actions: Default::default(),
         }))
     }
 
@@ -200,151 +201,153 @@ impl MacPlatform {
         }
     }
 
-    // unsafe fn create_menu_bar(
-    //     &self,
-    //     menus: Vec<Menu>,
-    //     delegate: id,
-    //     actions: &mut Vec<Box<dyn Action>>,
-    //     keystroke_matcher: &KeymapMatcher,
-    // ) -> id {
-    //     let application_menu = NSMenu::new(nil).autorelease();
-    //     application_menu.setDelegate_(delegate);
-
-    //     for menu_config in menus {
-    //         let menu = NSMenu::new(nil).autorelease();
-    //         menu.setTitle_(ns_string(menu_config.name));
-    //         menu.setDelegate_(delegate);
-
-    //         for item_config in menu_config.items {
-    //             menu.addItem_(self.create_menu_item(
-    //                 item_config,
-    //                 delegate,
-    //                 actions,
-    //                 keystroke_matcher,
-    //             ));
-    //         }
-
-    //         let menu_item = NSMenuItem::new(nil).autorelease();
-    //         menu_item.setSubmenu_(menu);
-    //         application_menu.addItem_(menu_item);
-
-    //         if menu_config.name == "Window" {
-    //             let app: id = msg_send![APP_CLASS, sharedApplication];
-    //             app.setWindowsMenu_(menu);
-    //         }
-    //     }
-
-    //     application_menu
-    // }
+    unsafe fn create_menu_bar(
+        &self,
+        menus: Vec<Menu>,
+        delegate: id,
+        actions: &mut Vec<Box<dyn Action>>,
+        keymap: &Keymap,
+    ) -> id {
+        let application_menu = NSMenu::new(nil).autorelease();
+        application_menu.setDelegate_(delegate);
+
+        for menu_config in menus {
+            let menu = NSMenu::new(nil).autorelease();
+            menu.setTitle_(ns_string(menu_config.name));
+            menu.setDelegate_(delegate);
+
+            for item_config in menu_config.items {
+                menu.addItem_(self.create_menu_item(item_config, delegate, actions, keymap));
+            }
 
-    // unsafe fn create_menu_item(
-    //     &self,
-    //     item: MenuItem,
-    //     delegate: id,
-    //     actions: &mut Vec<Box<dyn Action>>,
-    //     keystroke_matcher: &KeymapMatcher,
-    // ) -> id {
-    //     match item {
-    //         MenuItem::Separator => NSMenuItem::separatorItem(nil),
-    //         MenuItem::Action {
-    //             name,
-    //             action,
-    //             os_action,
-    //         } => {
-    //             // TODO
-    //             let keystrokes = keystroke_matcher
-    //                 .bindings_for_action(action.id())
-    //                 .find(|binding| binding.action().eq(action.as_ref()))
-    //                 .map(|binding| binding.keystrokes());
-    //             let selector = match os_action {
-    //                 Some(crate::OsAction::Cut) => selector("cut:"),
-    //                 Some(crate::OsAction::Copy) => selector("copy:"),
-    //                 Some(crate::OsAction::Paste) => selector("paste:"),
-    //                 Some(crate::OsAction::SelectAll) => selector("selectAll:"),
-    //                 Some(crate::OsAction::Undo) => selector("undo:"),
-    //                 Some(crate::OsAction::Redo) => selector("redo:"),
-    //                 None => selector("handleGPUIMenuItem:"),
-    //             };
-
-    //             let item;
-    //             if let Some(keystrokes) = keystrokes {
-    //                 if keystrokes.len() == 1 {
-    //                     let keystroke = &keystrokes[0];
-    //                     let mut mask = NSEventModifierFlags::empty();
-    //                     for (modifier, flag) in &[
-    //                         (keystroke.cmd, NSEventModifierFlags::NSCommandKeyMask),
-    //                         (keystroke.ctrl, NSEventModifierFlags::NSControlKeyMask),
-    //                         (keystroke.alt, NSEventModifierFlags::NSAlternateKeyMask),
-    //                         (keystroke.shift, NSEventModifierFlags::NSShiftKeyMask),
-    //                     ] {
-    //                         if *modifier {
-    //                             mask |= *flag;
-    //                         }
-    //                     }
-
-    //                     item = NSMenuItem::alloc(nil)
-    //                         .initWithTitle_action_keyEquivalent_(
-    //                             ns_string(name),
-    //                             selector,
-    //                             ns_string(key_to_native(&keystroke.key).as_ref()),
-    //                         )
-    //                         .autorelease();
-    //                     item.setKeyEquivalentModifierMask_(mask);
-    //                 }
-    //                 // For multi-keystroke bindings, render the keystroke as part of the title.
-    //                 else {
-    //                     use std::fmt::Write;
-
-    //                     let mut name = format!("{name} [");
-    //                     for (i, keystroke) in keystrokes.iter().enumerate() {
-    //                         if i > 0 {
-    //                             name.push(' ');
-    //                         }
-    //                         write!(&mut name, "{}", keystroke).unwrap();
-    //                     }
-    //                     name.push(']');
-
-    //                     item = NSMenuItem::alloc(nil)
-    //                         .initWithTitle_action_keyEquivalent_(
-    //                             ns_string(&name),
-    //                             selector,
-    //                             ns_string(""),
-    //                         )
-    //                         .autorelease();
-    //                 }
-    //             } else {
-    //                 item = NSMenuItem::alloc(nil)
-    //                     .initWithTitle_action_keyEquivalent_(
-    //                         ns_string(name),
-    //                         selector,
-    //                         ns_string(""),
-    //                     )
-    //                     .autorelease();
-    //             }
-
-    //             let tag = actions.len() as NSInteger;
-    //             let _: () = msg_send![item, setTag: tag];
-    //             actions.push(action);
-    //             item
-    //         }
-    //         MenuItem::Submenu(Menu { name, items }) => {
-    //             let item = NSMenuItem::new(nil).autorelease();
-    //             let submenu = NSMenu::new(nil).autorelease();
-    //             submenu.setDelegate_(delegate);
-    //             for item in items {
-    //                 submenu.addItem_(self.create_menu_item(
-    //                     item,
-    //                     delegate,
-    //                     actions,
-    //                     keystroke_matcher,
-    //                 ));
-    //             }
-    //             item.setSubmenu_(submenu);
-    //             item.setTitle_(ns_string(name));
-    //             item
-    //         }
-    //     }
-    // }
+            let menu_item = NSMenuItem::new(nil).autorelease();
+            menu_item.setSubmenu_(menu);
+            application_menu.addItem_(menu_item);
+
+            if menu_config.name == "Window" {
+                let app: id = msg_send![APP_CLASS, sharedApplication];
+                app.setWindowsMenu_(menu);
+            }
+        }
+
+        application_menu
+    }
+
+    unsafe fn create_menu_item(
+        &self,
+        item: MenuItem,
+        delegate: id,
+        actions: &mut Vec<Box<dyn Action>>,
+        keymap: &Keymap,
+    ) -> id {
+        match item {
+            MenuItem::Separator => NSMenuItem::separatorItem(nil),
+            MenuItem::Action {
+                name,
+                action,
+                os_action,
+            } => {
+                let keystrokes = keymap
+                    .bindings_for_action(action.type_id())
+                    .find(|binding| binding.action().partial_eq(action.as_ref()))
+                    .map(|binding| binding.keystrokes());
+
+                let selector = match os_action {
+                    Some(crate::OsAction::Cut) => selector("cut:"),
+                    Some(crate::OsAction::Copy) => selector("copy:"),
+                    Some(crate::OsAction::Paste) => selector("paste:"),
+                    Some(crate::OsAction::SelectAll) => selector("selectAll:"),
+                    Some(crate::OsAction::Undo) => selector("undo:"),
+                    Some(crate::OsAction::Redo) => selector("redo:"),
+                    None => selector("handleGPUIMenuItem:"),
+                };
+
+                let item;
+                if let Some(keystrokes) = keystrokes {
+                    if keystrokes.len() == 1 {
+                        let keystroke = &keystrokes[0];
+                        let mut mask = NSEventModifierFlags::empty();
+                        for (modifier, flag) in &[
+                            (
+                                keystroke.modifiers.command,
+                                NSEventModifierFlags::NSCommandKeyMask,
+                            ),
+                            (
+                                keystroke.modifiers.control,
+                                NSEventModifierFlags::NSControlKeyMask,
+                            ),
+                            (
+                                keystroke.modifiers.alt,
+                                NSEventModifierFlags::NSAlternateKeyMask,
+                            ),
+                            (
+                                keystroke.modifiers.shift,
+                                NSEventModifierFlags::NSShiftKeyMask,
+                            ),
+                        ] {
+                            if *modifier {
+                                mask |= *flag;
+                            }
+                        }
+
+                        item = NSMenuItem::alloc(nil)
+                            .initWithTitle_action_keyEquivalent_(
+                                ns_string(name),
+                                selector,
+                                ns_string(key_to_native(&keystroke.key).as_ref()),
+                            )
+                            .autorelease();
+                        item.setKeyEquivalentModifierMask_(mask);
+                    }
+                    // For multi-keystroke bindings, render the keystroke as part of the title.
+                    else {
+                        use std::fmt::Write;
+
+                        let mut name = format!("{name} [");
+                        for (i, keystroke) in keystrokes.iter().enumerate() {
+                            if i > 0 {
+                                name.push(' ');
+                            }
+                            write!(&mut name, "{}", keystroke).unwrap();
+                        }
+                        name.push(']');
+
+                        item = NSMenuItem::alloc(nil)
+                            .initWithTitle_action_keyEquivalent_(
+                                ns_string(&name),
+                                selector,
+                                ns_string(""),
+                            )
+                            .autorelease();
+                    }
+                } else {
+                    item = NSMenuItem::alloc(nil)
+                        .initWithTitle_action_keyEquivalent_(
+                            ns_string(name),
+                            selector,
+                            ns_string(""),
+                        )
+                        .autorelease();
+                }
+
+                let tag = actions.len() as NSInteger;
+                let _: () = msg_send![item, setTag: tag];
+                actions.push(action);
+                item
+            }
+            MenuItem::Submenu(Menu { name, items }) => {
+                let item = NSMenuItem::new(nil).autorelease();
+                let submenu = NSMenu::new(nil).autorelease();
+                submenu.setDelegate_(delegate);
+                for item in items {
+                    submenu.addItem_(self.create_menu_item(item, delegate, actions, keymap));
+                }
+                item.setSubmenu_(submenu);
+                item.setTitle_(ns_string(name));
+                item
+            }
+        }
+    }
 }
 
 impl Platform for MacPlatform {
@@ -479,8 +482,8 @@ impl Platform for MacPlatform {
         MacDisplay::find_by_id(id).map(|screen| Rc::new(screen) as Rc<_>)
     }
 
-    fn main_window(&self) -> Option<AnyWindowHandle> {
-        MacWindow::main_window()
+    fn active_window(&self) -> Option<AnyWindowHandle> {
+        MacWindow::active_window()
     }
 
     fn open_window(
@@ -631,6 +634,18 @@ impl Platform for MacPlatform {
         self.0.lock().event = Some(callback);
     }
 
+    fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>) {
+        self.0.lock().menu_command = Some(callback);
+    }
+
+    fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>) {
+        self.0.lock().will_open_menu = Some(callback);
+    }
+
+    fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
+        self.0.lock().validate_menu_command = Some(callback);
+    }
+
     fn os_name(&self) -> &'static str {
         "macOS"
     }
@@ -673,6 +688,15 @@ impl Platform for MacPlatform {
         }
     }
 
+    fn set_menus(&self, menus: Vec<Menu>, keymap: &Keymap) {
+        unsafe {
+            let app: id = msg_send![APP_CLASS, sharedApplication];
+            let mut state = self.0.lock();
+            let actions = &mut state.menu_actions;
+            app.setMainMenu_(self.create_menu_bar(menus, app.delegate(), actions, keymap));
+        }
+    }
+
     fn local_timezone(&self) -> UtcOffset {
         unsafe {
             let local_timezone: id = msg_send![class!(NSTimeZone), localTimeZone];
@@ -681,32 +705,6 @@ impl Platform for MacPlatform {
         }
     }
 
-    // fn on_menu_command(&self, callback: Box<dyn FnMut(&dyn Action)>) {
-    //     self.0.lock().menu_command = Some(callback);
-    // }
-
-    // fn on_will_open_menu(&self, callback: Box<dyn FnMut()>) {
-    //     self.0.lock().will_open_menu = Some(callback);
-    // }
-
-    // fn on_validate_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
-    //     self.0.lock().validate_menu_command = Some(callback);
-    // }
-
-    // fn set_menus(&self, menus: Vec<Menu>, keystroke_matcher: &KeymapMatcher) {
-    //     unsafe {
-    //         let app: id = msg_send![APP_CLASS, sharedApplication];
-    //         let mut state = self.0.lock();
-    //         let actions = &mut state.menu_actions;
-    //         app.setMainMenu_(self.create_menu_bar(
-    //             menus,
-    //             app.delegate(),
-    //             actions,
-    //             keystroke_matcher,
-    //         ));
-    //     }
-    // }
-
     fn path_for_auxiliary_executable(&self, name: &str) -> Result<PathBuf> {
         unsafe {
             let bundle: id = NSBundle::mainBundle();
@@ -956,7 +954,7 @@ unsafe fn path_from_objc(path: id) -> PathBuf {
     PathBuf::from(path)
 }
 
-unsafe fn get_foreground_platform(object: &mut Object) -> &MacPlatform {
+unsafe fn get_mac_platform(object: &mut Object) -> &MacPlatform {
     let platform_ptr: *mut c_void = *object.get_ivar(MAC_PLATFORM_IVAR);
     assert!(!platform_ptr.is_null());
     &*(platform_ptr as *const MacPlatform)
@@ -965,7 +963,7 @@ unsafe fn get_foreground_platform(object: &mut Object) -> &MacPlatform {
 extern "C" fn send_event(this: &mut Object, _sel: Sel, native_event: id) {
     unsafe {
         if let Some(event) = InputEvent::from_native(native_event, None) {
-            let platform = get_foreground_platform(this);
+            let platform = get_mac_platform(this);
             if let Some(callback) = platform.0.lock().event.as_mut() {
                 if !callback(event) {
                     return;
@@ -981,7 +979,7 @@ extern "C" fn did_finish_launching(this: &mut Object, _: Sel, _: id) {
         let app: id = msg_send![APP_CLASS, sharedApplication];
         app.setActivationPolicy_(NSApplicationActivationPolicyRegular);
 
-        let platform = get_foreground_platform(this);
+        let platform = get_mac_platform(this);
         let callback = platform.0.lock().finish_launching.take();
         if let Some(callback) = callback {
             callback();
@@ -991,7 +989,7 @@ extern "C" fn did_finish_launching(this: &mut Object, _: Sel, _: id) {
 
 extern "C" fn should_handle_reopen(this: &mut Object, _: Sel, _: id, has_open_windows: bool) {
     if !has_open_windows {
-        let platform = unsafe { get_foreground_platform(this) };
+        let platform = unsafe { get_mac_platform(this) };
         if let Some(callback) = platform.0.lock().reopen.as_mut() {
             callback();
         }
@@ -999,21 +997,21 @@ extern "C" fn should_handle_reopen(this: &mut Object, _: Sel, _: id, has_open_wi
 }
 
 extern "C" fn did_become_active(this: &mut Object, _: Sel, _: id) {
-    let platform = unsafe { get_foreground_platform(this) };
+    let platform = unsafe { get_mac_platform(this) };
     if let Some(callback) = platform.0.lock().become_active.as_mut() {
         callback();
     }
 }
 
 extern "C" fn did_resign_active(this: &mut Object, _: Sel, _: id) {
-    let platform = unsafe { get_foreground_platform(this) };
+    let platform = unsafe { get_mac_platform(this) };
     if let Some(callback) = platform.0.lock().resign_active.as_mut() {
         callback();
     }
 }
 
 extern "C" fn will_terminate(this: &mut Object, _: Sel, _: id) {
-    let platform = unsafe { get_foreground_platform(this) };
+    let platform = unsafe { get_mac_platform(this) };
     if let Some(callback) = platform.0.lock().quit.as_mut() {
         callback();
     }
@@ -1035,49 +1033,47 @@ extern "C" fn open_urls(this: &mut Object, _: Sel, _: id, urls: id) {
             })
             .collect::<Vec<_>>()
     };
-    let platform = unsafe { get_foreground_platform(this) };
+    let platform = unsafe { get_mac_platform(this) };
     if let Some(callback) = platform.0.lock().open_urls.as_mut() {
         callback(urls);
     }
 }
 
-extern "C" fn handle_menu_item(__this: &mut Object, _: Sel, __item: id) {
-    todo!()
-    // unsafe {
-    //     let platform = get_foreground_platform(this);
-    //     let mut platform = platform.0.lock();
-    //     if let Some(mut callback) = platform.menu_command.take() {
-    //         let tag: NSInteger = msg_send![item, tag];
-    //         let index = tag as usize;
-    //         if let Some(action) = platform.menu_actions.get(index) {
-    //             callback(action.as_ref());
-    //         }
-    //         platform.menu_command = Some(callback);
-    //     }
-    // }
+extern "C" fn handle_menu_item(this: &mut Object, _: Sel, item: id) {
+    unsafe {
+        let platform = get_mac_platform(this);
+        let mut platform = platform.0.lock();
+        if let Some(mut callback) = platform.menu_command.take() {
+            let tag: NSInteger = msg_send![item, tag];
+            let index = tag as usize;
+            if let Some(action) = platform.menu_actions.get(index) {
+                callback(action.as_ref());
+            }
+            platform.menu_command = Some(callback);
+        }
+    }
 }
 
-extern "C" fn validate_menu_item(__this: &mut Object, _: Sel, __item: id) -> bool {
-    todo!()
-    // unsafe {
-    //     let mut result = false;
-    //     let platform = get_foreground_platform(this);
-    //     let mut platform = platform.0.lock();
-    //     if let Some(mut callback) = platform.validate_menu_command.take() {
-    //         let tag: NSInteger = msg_send![item, tag];
-    //         let index = tag as usize;
-    //         if let Some(action) = platform.menu_actions.get(index) {
-    //             result = callback(action.as_ref());
-    //         }
-    //         platform.validate_menu_command = Some(callback);
-    //     }
-    //     result
-    // }
+extern "C" fn validate_menu_item(this: &mut Object, _: Sel, item: id) -> bool {
+    unsafe {
+        let mut result = false;
+        let platform = get_mac_platform(this);
+        let mut platform = platform.0.lock();
+        if let Some(mut callback) = platform.validate_menu_command.take() {
+            let tag: NSInteger = msg_send![item, tag];
+            let index = tag as usize;
+            if let Some(action) = platform.menu_actions.get(index) {
+                result = callback(action.as_ref());
+            }
+            platform.validate_menu_command = Some(callback);
+        }
+        result
+    }
 }
 
 extern "C" fn menu_will_open(this: &mut Object, _: Sel, _: id) {
     unsafe {
-        let platform = get_foreground_platform(this);
+        let platform = get_mac_platform(this);
         let mut platform = platform.0.lock();
         if let Some(mut callback) = platform.will_open_menu.take() {
             callback();

crates/gpui2/src/platform/mac/window.rs πŸ”—

@@ -662,7 +662,7 @@ impl MacWindow {
         }
     }
 
-    pub fn main_window() -> Option<AnyWindowHandle> {
+    pub fn active_window() -> Option<AnyWindowHandle> {
         unsafe {
             let app = NSApplication::sharedApplication(nil);
             let main_window: id = msg_send![app, mainWindow];

crates/gpui2/src/platform/test/platform.rs πŸ”—

@@ -1,6 +1,6 @@
 use crate::{
     AnyWindowHandle, BackgroundExecutor, ClipboardItem, CursorStyle, DisplayId, ForegroundExecutor,
-    Platform, PlatformDisplay, PlatformTextSystem, TestDisplay, TestWindow, WindowOptions,
+    Keymap, Platform, PlatformDisplay, PlatformTextSystem, TestDisplay, TestWindow, WindowOptions,
 };
 use anyhow::{anyhow, Result};
 use collections::VecDeque;
@@ -127,7 +127,7 @@ impl Platform for TestPlatform {
         self.displays().iter().find(|d| d.id() == id).cloned()
     }
 
-    fn main_window(&self) -> Option<crate::AnyWindowHandle> {
+    fn active_window(&self) -> Option<crate::AnyWindowHandle> {
         unimplemented!()
     }
 
@@ -212,6 +212,14 @@ impl Platform for TestPlatform {
         unimplemented!()
     }
 
+    fn set_menus(&self, _menus: Vec<crate::Menu>, _keymap: &Keymap) {}
+
+    fn on_app_menu_action(&self, _callback: Box<dyn FnMut(&dyn crate::Action)>) {}
+
+    fn on_will_open_app_menu(&self, _callback: Box<dyn FnMut()>) {}
+
+    fn on_validate_app_menu_command(&self, _callback: Box<dyn FnMut(&dyn crate::Action) -> bool>) {}
+
     fn os_name(&self) -> &'static str {
         "test"
     }

crates/gpui2/src/window.rs πŸ”—

@@ -430,7 +430,7 @@ impl<'a> WindowContext<'a> {
         self.window
             .current_frame
             .dispatch_tree
-            .clear_keystroke_matchers();
+            .clear_pending_keystrokes();
         self.app.push_effect(Effect::FocusChanged {
             window_handle: self.window.handle,
             focused: Some(focus_id),
@@ -804,6 +804,22 @@ impl<'a> WindowContext<'a> {
         );
     }
 
+    pub fn is_action_available(&self, action: &dyn Action) -> bool {
+        let target = self
+            .focused()
+            .and_then(|focused_handle| {
+                self.window
+                    .current_frame
+                    .dispatch_tree
+                    .focusable_node_id(focused_handle.id)
+            })
+            .unwrap_or_else(|| self.window.current_frame.dispatch_tree.root_node_id());
+        self.window
+            .current_frame
+            .dispatch_tree
+            .is_action_available(action, target)
+    }
+
     /// The position of the mouse relative to the window.
     pub fn mouse_position(&self) -> Point<Pixels> {
         self.window.mouse_position
@@ -1190,7 +1206,7 @@ impl<'a> WindowContext<'a> {
         self.window
             .current_frame
             .dispatch_tree
-            .preserve_keystroke_matchers(
+            .preserve_pending_keystrokes(
                 &mut self.window.previous_frame.dispatch_tree,
                 self.window.focus,
             );
@@ -1377,8 +1393,8 @@ impl<'a> WindowContext<'a> {
         for node_id in &dispatch_path {
             let node = self.window.current_frame.dispatch_tree.node(*node_id);
 
-            if !node.context.is_empty() {
-                context_stack.push(node.context.clone());
+            if let Some(context) = node.context.clone() {
+                context_stack.push(context);
             }
 
             for key_listener in node.key_listeners.clone() {
@@ -1402,7 +1418,7 @@ impl<'a> WindowContext<'a> {
 
             // Match keystrokes
             let node = self.window.current_frame.dispatch_tree.node(*node_id);
-            if !node.context.is_empty() {
+            if node.context.is_some() {
                 if let Some(key_down_event) = event.downcast_ref::<KeyDownEvent>() {
                     if let Some(found) = self
                         .window
@@ -1547,7 +1563,7 @@ impl<'a> WindowContext<'a> {
         let context_stack = dispatch_tree
             .dispatch_path(node_id)
             .into_iter()
-            .map(|node_id| dispatch_tree.node(node_id).context.clone())
+            .filter_map(|node_id| dispatch_tree.node(node_id).context.clone())
             .collect();
         dispatch_tree.bindings_for_action(action, &context_stack)
     }

crates/settings2/src/settings_file.rs πŸ”—

@@ -132,39 +132,3 @@ pub fn load_default_keymap(cx: &mut AppContext) {
     //     KeymapFile::load_asset(asset_path, cx).unwrap();
     // }
 }
-
-pub fn handle_keymap_file_changes(
-    mut user_keymap_file_rx: mpsc::UnboundedReceiver<String>,
-    cx: &mut AppContext,
-) {
-    cx.spawn(move |cx| async move {
-        //  let mut settings_subscription = None;
-        while let Some(user_keymap_content) = user_keymap_file_rx.next().await {
-            if let Some(keymap_content) = KeymapFile::parse(&user_keymap_content).log_err() {
-                cx.update(|cx| reload_keymaps(cx, &keymap_content)).ok();
-
-                // todo!()
-                // let mut old_base_keymap = cx.read(|cx| *settings::get::<BaseKeymap>(cx));
-                // drop(settings_subscription);
-                // settings_subscription = Some(cx.update(|cx| {
-                //     cx.observe_global::<SettingsStore, _>(move |cx| {
-                //         let new_base_keymap = *settings::get::<BaseKeymap>(cx);
-                //         if new_base_keymap != old_base_keymap {
-                //             old_base_keymap = new_base_keymap.clone();
-                //             reload_keymaps(cx, &keymap_content);
-                //         }
-                //     })
-                // }));
-            }
-        }
-    })
-    .detach();
-}
-
-fn reload_keymaps(cx: &mut AppContext, keymap_content: &KeymapFile) {
-    // todo!()
-    // cx.clear_bindings();
-    load_default_keymap(cx);
-    keymap_content.clone().add_to_cx(cx).log_err();
-    // cx.set_menus(menus::menus());
-}

crates/zed2/src/app_menus.rs πŸ”—

@@ -0,0 +1,175 @@
+use gpui::{Menu, MenuItem, OsAction};
+
+#[cfg(target_os = "macos")]
+pub fn app_menus() -> Vec<Menu<'static>> {
+    vec![
+        Menu {
+            name: "Zed",
+            items: vec![
+                MenuItem::action("About Zed…", super::About),
+                MenuItem::action("Check for Updates", auto_update::Check),
+                MenuItem::separator(),
+                MenuItem::submenu(Menu {
+                    name: "Preferences",
+                    items: vec![
+                        MenuItem::action("Open Settings", super::OpenSettings),
+                        MenuItem::action("Open Key Bindings", super::OpenKeymap),
+                        MenuItem::action("Open Default Settings", super::OpenDefaultSettings),
+                        MenuItem::action("Open Default Key Bindings", super::OpenDefaultKeymap),
+                        MenuItem::action("Open Local Settings", super::OpenLocalSettings),
+                        MenuItem::action("Select Theme", theme_selector::Toggle),
+                    ],
+                }),
+                MenuItem::action("Install CLI", install_cli::Install),
+                MenuItem::separator(),
+                MenuItem::action("Hide Zed", super::Hide),
+                MenuItem::action("Hide Others", super::HideOthers),
+                MenuItem::action("Show All", super::ShowAll),
+                MenuItem::action("Quit", super::Quit),
+            ],
+        },
+        Menu {
+            name: "File",
+            items: vec![
+                MenuItem::action("New", workspace::NewFile),
+                MenuItem::action("New Window", workspace::NewWindow),
+                MenuItem::separator(),
+                MenuItem::action("Open…", workspace::Open),
+                // MenuItem::action("Open Recent...", recent_projects::OpenRecent),
+                MenuItem::separator(),
+                MenuItem::action("Add Folder to Project…", workspace::AddFolderToProject),
+                MenuItem::action("Save", workspace::Save { save_intent: None }),
+                MenuItem::action("Save As…", workspace::SaveAs),
+                MenuItem::action("Save All", workspace::SaveAll { save_intent: None }),
+                MenuItem::action(
+                    "Close Editor",
+                    workspace::CloseActiveItem { save_intent: None },
+                ),
+                MenuItem::action("Close Window", workspace::CloseWindow),
+            ],
+        },
+        Menu {
+            name: "Edit",
+            items: vec![
+                MenuItem::os_action("Undo", editor::Undo, OsAction::Undo),
+                MenuItem::os_action("Redo", editor::Redo, OsAction::Redo),
+                MenuItem::separator(),
+                MenuItem::os_action("Cut", editor::Cut, OsAction::Cut),
+                MenuItem::os_action("Copy", editor::Copy, OsAction::Copy),
+                MenuItem::os_action("Paste", editor::Paste, OsAction::Paste),
+                MenuItem::separator(),
+                MenuItem::action("Find", search::buffer_search::Deploy { focus: true }),
+                MenuItem::action("Find In Project", workspace::NewSearch),
+                MenuItem::separator(),
+                MenuItem::action("Toggle Line Comment", editor::ToggleComments::default()),
+                MenuItem::action("Emoji & Symbols", editor::ShowCharacterPalette),
+            ],
+        },
+        Menu {
+            name: "Selection",
+            items: vec![
+                MenuItem::os_action("Select All", editor::SelectAll, OsAction::SelectAll),
+                MenuItem::action("Expand Selection", editor::SelectLargerSyntaxNode),
+                MenuItem::action("Shrink Selection", editor::SelectSmallerSyntaxNode),
+                MenuItem::separator(),
+                MenuItem::action("Add Cursor Above", editor::AddSelectionAbove),
+                MenuItem::action("Add Cursor Below", editor::AddSelectionBelow),
+                MenuItem::action(
+                    "Select Next Occurrence",
+                    editor::SelectNext {
+                        replace_newest: false,
+                    },
+                ),
+                MenuItem::separator(),
+                MenuItem::action("Move Line Up", editor::MoveLineUp),
+                MenuItem::action("Move Line Down", editor::MoveLineDown),
+                MenuItem::action("Duplicate Selection", editor::DuplicateLine),
+            ],
+        },
+        Menu {
+            name: "View",
+            items: vec![
+                MenuItem::action("Zoom In", super::IncreaseBufferFontSize),
+                MenuItem::action("Zoom Out", super::DecreaseBufferFontSize),
+                MenuItem::action("Reset Zoom", super::ResetBufferFontSize),
+                MenuItem::separator(),
+                MenuItem::action("Toggle Left Dock", workspace::ToggleLeftDock),
+                MenuItem::action("Toggle Right Dock", workspace::ToggleRightDock),
+                MenuItem::action("Toggle Bottom Dock", workspace::ToggleBottomDock),
+                MenuItem::action("Close All Docks", workspace::CloseAllDocks),
+                MenuItem::submenu(Menu {
+                    name: "Editor Layout",
+                    items: vec![
+                        MenuItem::action("Split Up", workspace::SplitUp),
+                        MenuItem::action("Split Down", workspace::SplitDown),
+                        MenuItem::action("Split Left", workspace::SplitLeft),
+                        MenuItem::action("Split Right", workspace::SplitRight),
+                    ],
+                }),
+                MenuItem::separator(),
+                MenuItem::action("Project Panel", project_panel::ToggleFocus),
+                MenuItem::action("Command Palette", command_palette::Toggle),
+                MenuItem::action("Diagnostics", diagnostics::Deploy),
+                MenuItem::separator(),
+            ],
+        },
+        Menu {
+            name: "Go",
+            items: vec![
+                MenuItem::action("Back", workspace::GoBack),
+                MenuItem::action("Forward", workspace::GoForward),
+                MenuItem::separator(),
+                MenuItem::action("Go to File", file_finder::Toggle),
+                // MenuItem::action("Go to Symbol in Project", project_symbols::Toggle),
+                MenuItem::action("Go to Symbol in Editor", outline::Toggle),
+                MenuItem::action("Go to Definition", editor::GoToDefinition),
+                MenuItem::action("Go to Type Definition", editor::GoToTypeDefinition),
+                MenuItem::action("Find All References", editor::FindAllReferences),
+                MenuItem::action("Go to Line/Column", go_to_line::Toggle),
+                MenuItem::separator(),
+                MenuItem::action("Next Problem", editor::GoToDiagnostic),
+                MenuItem::action("Previous Problem", editor::GoToPrevDiagnostic),
+            ],
+        },
+        Menu {
+            name: "Window",
+            items: vec![
+                MenuItem::action("Minimize", super::Minimize),
+                MenuItem::action("Zoom", super::Zoom),
+                MenuItem::separator(),
+            ],
+        },
+        Menu {
+            name: "Help",
+            items: vec![
+                MenuItem::action("Command Palette", command_palette::Toggle),
+                MenuItem::separator(),
+                MenuItem::action("View Telemetry", crate::OpenTelemetryLog),
+                MenuItem::action("View Dependency Licenses", crate::OpenLicenses),
+                MenuItem::action("Show Welcome", workspace::Welcome),
+                MenuItem::separator(),
+                // todo!(): Needs `feedback2` crate.
+                // MenuItem::action("Give us feedback", feedback::feedback_editor::GiveFeedback),
+                // MenuItem::action(
+                //     "Copy System Specs Into Clipboard",
+                //     feedback::CopySystemSpecsIntoClipboard,
+                // ),
+                // MenuItem::action("File Bug Report", feedback::FileBugReport),
+                // MenuItem::action("Request Feature", feedback::RequestFeature),
+                MenuItem::separator(),
+                MenuItem::action(
+                    "Documentation",
+                    crate::OpenBrowser {
+                        url: "https://zed.dev/docs".into(),
+                    },
+                ),
+                MenuItem::action(
+                    "Zed Twitter",
+                    crate::OpenBrowser {
+                        url: "https://twitter.com/zeddotdev".into(),
+                    },
+                ),
+            ],
+        },
+    ]
+}

crates/zed2/src/main.rs πŸ”—

@@ -22,8 +22,7 @@ use node_runtime::RealNodeRuntime;
 use parking_lot::Mutex;
 use serde::{Deserialize, Serialize};
 use settings::{
-    default_settings, handle_keymap_file_changes, handle_settings_file_changes, watch_config_file,
-    Settings, SettingsStore,
+    default_settings, handle_settings_file_changes, watch_config_file, Settings, SettingsStore,
 };
 use simplelog::ConfigBuilder;
 use smol::process::Command;
@@ -51,8 +50,9 @@ use uuid::Uuid;
 use welcome::{show_welcome_experience, FIRST_OPEN};
 use workspace::{AppState, WorkspaceStore};
 use zed2::{
-    build_window_options, ensure_only_instance, handle_cli_connection, initialize_workspace,
-    languages, Assets, IsOnlyInstance, OpenListener, OpenRequest,
+    app_menus, build_window_options, ensure_only_instance, handle_cli_connection,
+    handle_keymap_file_changes, initialize_workspace, languages, Assets, IsOnlyInstance,
+    OpenListener, OpenRequest,
 };
 
 mod open_listener;
@@ -224,7 +224,7 @@ fn main() {
         // feedback::init(cx);
         welcome::init(cx);
 
-        // cx.set_menus(menus::menus());
+        cx.set_menus(app_menus());
         initialize_workspace(app_state.clone(), cx);
 
         if stdout_is_a_pty() {

crates/zed2/src/zed2.rs πŸ”—

@@ -1,11 +1,13 @@
 #![allow(unused_variables, unused_mut)]
 //todo!()
 
+mod app_menus;
 mod assets;
 pub mod languages;
 mod only_instance;
 mod open_listener;
 
+pub use app_menus::*;
 pub use assets::*;
 use breadcrumbs::Breadcrumbs;
 use collections::VecDeque;
@@ -18,9 +20,10 @@ pub use only_instance::*;
 pub use open_listener::*;
 
 use anyhow::{anyhow, Context as _};
+use futures::{channel::mpsc, StreamExt};
 use project_panel::ProjectPanel;
 use quick_action_bar::QuickActionBar;
-use settings::{initial_local_settings_content, Settings};
+use settings::{initial_local_settings_content, load_default_keymap, KeymapFile, Settings};
 use std::{borrow::Cow, ops::Deref, sync::Arc};
 use terminal_view::terminal_panel::TerminalPanel;
 use util::{
@@ -565,6 +568,42 @@ fn open_log_file(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) {
         .detach();
 }
 
+pub fn handle_keymap_file_changes(
+    mut user_keymap_file_rx: mpsc::UnboundedReceiver<String>,
+    cx: &mut AppContext,
+) {
+    cx.spawn(move |cx| async move {
+        //  let mut settings_subscription = None;
+        while let Some(user_keymap_content) = user_keymap_file_rx.next().await {
+            if let Some(keymap_content) = KeymapFile::parse(&user_keymap_content).log_err() {
+                cx.update(|cx| reload_keymaps(cx, &keymap_content)).ok();
+
+                // todo!()
+                // let mut old_base_keymap = cx.read(|cx| *settings::get::<BaseKeymap>(cx));
+                // drop(settings_subscription);
+                // settings_subscription = Some(cx.update(|cx| {
+                //     cx.observe_global::<SettingsStore, _>(move |cx| {
+                //         let new_base_keymap = *settings::get::<BaseKeymap>(cx);
+                //         if new_base_keymap != old_base_keymap {
+                //             old_base_keymap = new_base_keymap.clone();
+                //             reload_keymaps(cx, &keymap_content);
+                //         }
+                //     })
+                // }));
+            }
+        }
+    })
+    .detach();
+}
+
+fn reload_keymaps(cx: &mut AppContext, keymap_content: &KeymapFile) {
+    // todo!()
+    // cx.clear_bindings();
+    load_default_keymap(cx);
+    keymap_content.clone().add_to_cx(cx).log_err();
+    cx.set_menus(app_menus());
+}
+
 fn open_local_settings_file(
     workspace: &mut Workspace,
     _: &OpenLocalSettings,