Menus · ContextMenu manual: opens on the owner's numbered request at a point, not on a right click, for rows that come after the press

src/menus/hosts.rs

@@ -2,8 +2,8 @@ use std::rc::Rc;
 
 use gpui::{
     AnyElement, App, ClickEvent, Div, ElementId, Entity, InteractiveElement, IntoElement,
-    MouseButton, ParentElement, RenderOnce, SharedString, Stateful, Styled, Window, div,
-    prelude::*,
+    MouseButton, ParentElement, Pixels, Point, RenderOnce, SharedString, Stateful, Styled, Window,
+    div, prelude::*,
 };
 use smallvec::SmallVec;
 
@@ -226,6 +226,7 @@ impl RenderOnce for SplitButton {
 pub struct ContextMenu {
     id: ElementId,
     menu: Menu,
+    request: Option<Option<(u64, Point<Pixels>)>>,
     children: SmallVec<[AnyElement; 2]>,
 }
 
@@ -234,9 +235,16 @@ impl ContextMenu {
         Self {
             id: id.into(),
             menu,
+            request: None,
             children: SmallVec::new(),
         }
     }
+
+    /// Opens on the owner's numbered request, not on a right click: for rows that come after the press.
+    pub fn manual(mut self, request: Option<(u64, Point<Pixels>)>) -> Self {
+        self.request = Some(request);
+        self
+    }
 }
 
 impl ParentElement for ContextMenu {
@@ -248,14 +256,24 @@ impl ParentElement for ContextMenu {
 impl RenderOnce for ContextMenu {
     fn render(self, window: &mut Window, cx: &mut App) -> impl IntoElement {
         let state = state(&self.id, window, cx);
+        if let Some(Some((number, at))) = self.request {
+            let asked = window.use_keyed_state((self.id.clone(), "asked"), cx, |_, _| None);
+            if *asked.read(cx) != Some(number) {
+                asked.update(cx, |asked, _| *asked = Some(number));
+                log::info!("context menu {:?}: asked at {at:?}", self.id);
+                Open::show(&state, &self.menu, Spot::At(at), false, cx);
+            }
+        }
         let (open, shut, menu) = (state.clone(), state.clone(), self.menu.clone());
         div()
             .id(self.id.clone())
             .relative()
-            .on_mouse_down(MouseButton::Right, move |event, window, cx| {
-                window.prevent_default();
-                log::info!("context menu: at {:?}", event.position);
-                Open::show(&open, &menu, Spot::At(event.position), false, cx);
+            .when(self.request.is_none(), |host| {
+                host.on_mouse_down(MouseButton::Right, move |event, window, cx| {
+                    window.prevent_default();
+                    log::info!("context menu: at {:?}", event.position);
+                    Open::show(&open, &menu, Spot::At(event.position), false, cx);
+                })
             })
             .on_mouse_down(MouseButton::Left, move |_, window, cx| {
                 if shut.read(cx).is_open() {

src/menus/tests/mod.rs

@@ -18,6 +18,7 @@ struct Desk {
     view_rows: bool,
     enters_above: usize,
     shift: bool,
+    asked: Option<(u64, gpui::Point<gpui::Pixels>)>,
 }
 
 impl Desk {
@@ -83,7 +84,15 @@ impl Render for Desk {
                         ContextMenu::new("area", menu.clone())
                             .child(div().w(px(200.0)).h(px(120.0))),
                     )
-                    .child(SearchableMenu::new("find", "Find", menu)),
+                    .child(SearchableMenu::new("find", "Find", menu.clone()))
+                    .child(
+                        ContextMenu::new("late", menu).manual(self.asked).child(
+                            div()
+                                .debug_selector(|| "late".into())
+                                .w(px(200.0))
+                                .h(px(40.0)),
+                        ),
+                    ),
             )
     }
 }
@@ -117,6 +126,7 @@ fn desk(cx: &mut TestAppContext) -> (gpui::Entity<Desk>, &mut VisualTestContext)
         view_rows: true,
         enters_above: 0,
         shift: false,
+        asked: None,
     });
     settle(cx);
     (view, cx)
@@ -209,6 +219,27 @@ fn a_right_click_opens_the_context_menu_where_it_lands(cx: &mut TestAppContext)
     assert_eq!(ran(&view, cx), ["cut"]);
 }
 
+#[gpui::test]
+fn a_manual_context_menu_opens_only_from_its_owner(cx: &mut TestAppContext) {
+    let (view, cx) = desk(cx);
+    let at = cx.debug_bounds("late").expect("the host").center();
+    cx.simulate_mouse_move(at, None, Modifiers::none());
+    cx.simulate_mouse_down(at, MouseButton::Right, Modifiers::none());
+    cx.simulate_mouse_up(at, MouseButton::Right, Modifiers::none());
+    settle(cx);
+    press("down", cx);
+    press("enter", cx);
+    assert!(ran(&view, cx).is_empty(), "a right click opens nothing");
+    view.update(cx, |desk, cx| {
+        desk.asked = Some((1, point(px(60.0), px(80.0))));
+        cx.notify();
+    });
+    settle(cx);
+    press("down", cx);
+    press("enter", cx);
+    assert_eq!(ran(&view, cx), ["cut"]);
+}
+
 #[gpui::test]
 fn the_trigger_toggles_and_a_press_outside_closes(cx: &mut TestAppContext) {
     let (view, cx) = desk(cx);