feat(context-menu): returns dismissed result on macOS

src/items/submenu.rs

@@ -250,7 +250,7 @@ impl ContextMenu for Submenu {
         &self,
         view: *const std::ffi::c_void,
         position: Option<Position>,
-    ) {
+    ) -> bool {
         self.inner
             .borrow_mut()
             .show_context_menu_for_nsview(view, position)

src/lib.rs

@@ -354,6 +354,8 @@ pub trait ContextMenu {
     ///
     /// - `position` is relative to the window top-left corner, if `None`, the cursor position is used.
     ///
+    /// Returns `true` if menu tracking ended because an item was selected, and `false` if menu tracking was cancelled for any reason.
+    ///
     /// # Safety
     ///
     /// The view must be a pointer to a valid `NSView`.
@@ -362,7 +364,7 @@ pub trait ContextMenu {
         &self,
         view: *const std::ffi::c_void,
         position: Option<dpi::Position>,
-    );
+    ) -> bool;
 
     /// Get the underlying NSMenu reserved for context menus.
     ///

src/menu.rs

@@ -408,7 +408,7 @@ impl ContextMenu for Menu {
         &self,
         view: *const std::ffi::c_void,
         position: Option<Position>,
-    ) {
+    ) -> bool {
         self.inner
             .borrow_mut()
             .show_context_menu_for_nsview(view, position)

src/platform_impl/macos/mod.rs

@@ -175,7 +175,7 @@ impl Menu {
         &self,
         view: *const c_void,
         position: Option<Position>,
-    ) {
+    ) -> bool {
         // SAFETY: Upheld by caller
         show_context_menu(&self.ns_menu.1, view, position)
     }
@@ -660,7 +660,7 @@ impl MenuChild {
         &self,
         view: *const c_void,
         position: Option<Position>,
-    ) {
+    ) -> bool {
         show_context_menu(&self.ns_menu.as_ref().unwrap().1, view, position)
     }
 
@@ -1100,7 +1100,11 @@ fn menuitem_set_native_icon(menuitem: &NSMenuItem, icon: Option<NativeIcon>) {
     }
 }
 
-unsafe fn show_context_menu(ns_menu: &NSMenu, view: *const c_void, position: Option<Position>) {
+unsafe fn show_context_menu(
+    ns_menu: &NSMenu,
+    view: *const c_void,
+    position: Option<Position>,
+) -> bool {
     // SAFETY: Caller verifies that the view is valid.
     let view: &NSView = unsafe { &*view.cast() };
 
@@ -1120,7 +1124,7 @@ unsafe fn show_context_menu(ns_menu: &NSMenu, view: *const c_void, position: Opt
         (location, None)
     };
 
-    let _ = unsafe { ns_menu.popUpMenuPositioningItem_atLocation_inView(None, location, in_view) };
+    unsafe { ns_menu.popUpMenuPositioningItem_atLocation_inView(None, location, in_view) }
 }
 
 impl NativeIcon {