Fix more z-index and rendering issues

Co-Authored-By: Antonio Scandurra <antonio@zed.dev>

crates/collab_ui2/src/collab_titlebar_item.rs

@@ -68,6 +68,7 @@ impl Render for CollabTitlebarItem {
 
         h_stack()
             .id("titlebar")
+            .z_index(160)
             .justify_between()
             .w_full()
             .h(rems(1.75))

crates/ui2/src/components/context_menu.rs

@@ -3,8 +3,8 @@ use crate::{
     ListSeparator, ListSubHeader,
 };
 use gpui::{
-    px, Action, AppContext, DismissEvent, Div, EventEmitter, FocusHandle, FocusableView,
+    px, Action, AnyElement, AppContext, DismissEvent, Div, EventEmitter, FocusHandle,
-    IntoElement, Render, Subscription, View, VisualContext,
+    FocusableView, IntoElement, Render, Subscription, View, VisualContext,
 };
 use menu::{SelectFirst, SelectLast, SelectNext, SelectPrev};
 use std::{rc::Rc, time::Duration};
@@ -18,6 +18,9 @@ pub enum ContextMenuItem {
         handler: Rc<dyn Fn(&mut WindowContext)>,
         action: Option<Box<dyn Action>>,
     },
+    CustomEntry {
+        entry_render: Box<dyn Fn(&mut WindowContext) -> AnyElement>,
+    },
 }
 
 pub struct ContextMenu {
@@ -83,6 +86,16 @@ impl ContextMenu {
         self
     }
 
+    pub fn custom_entry(
+        mut self,
+        entry_render: impl Fn(&mut WindowContext) -> AnyElement + 'static,
+    ) -> Self {
+        self.items.push(ContextMenuItem::CustomEntry {
+            entry_render: Box::new(entry_render),
+        });
+        self
+    }
+
     pub fn action(mut self, label: impl Into<SharedString>, action: Box<dyn Action>) -> Self {
         self.items.push(ContextMenuItem::Entry {
             label: label.into(),
@@ -230,9 +243,9 @@ impl Render for ContextMenu {
                     el
                 })
                 .flex_none()
-                .child(
+                .child(List::new().children(self.items.iter_mut().enumerate().map(
-                    List::new().children(self.items.iter().enumerate().map(
+                    |(ix, item)| {
-                        |(ix, item)| match item {
+                        match item {
                             ContextMenuItem::Separator => ListSeparator.into_any_element(),
                             ContextMenuItem::Header(header) => {
                                 ListSubHeader::new(header.clone()).into_any_element()
@@ -255,7 +268,7 @@ impl Render for ContextMenu {
                                     Label::new(label.clone()).into_any_element()
                                 };
 
-                                ListItem::new(label.clone())
+                                ListItem::new(ix)
                                     .inset(true)
                                     .selected(Some(ix) == self.selected_index)
                                     .on_click(move |_, cx| handler(cx))
@@ -271,9 +284,14 @@ impl Render for ContextMenu {
                                     )
                                     .into_any_element()
                             }
+                            ContextMenuItem::CustomEntry { entry_render } => ListItem::new(ix)
+                                .inset(true)
+                                .selected(Some(ix) == self.selected_index)
+                                .child(entry_render(cx))
+                                .into_any_element(),
+                        }
                     },
-                    )),
+                ))),
-                ),
         )
     }
 }

crates/ui2/src/components/list/list_item.rs

@@ -129,7 +129,6 @@ impl RenderOnce for ListItem {
     fn render(self, cx: &mut WindowContext) -> Self::Rendered {
         h_stack()
             .id(self.id)
-            .bg(gpui::green())
             .w_full()
             .relative()
             // When an item is inset draw the indent spacing outside of the item
@@ -172,8 +171,8 @@ impl RenderOnce for ListItem {
                             })
                     })
                     .when_some(self.on_click, |this, on_click| {
-                        this.cursor_copy()
+                        this.cursor_pointer()
-                            .on_click(move |event, cx| on_click(dbg!(event), cx))
+                            .on_click(move |event, cx| on_click(event, cx))
                     })
                     .when_some(self.on_secondary_mouse_down, |this, on_mouse_down| {
                         this.on_mouse_down(MouseButton::Right, move |event, cx| {

crates/ui2/src/components/tab_bar.rs

@@ -96,6 +96,7 @@ impl RenderOnce for TabBar {
 
         div()
             .id(self.id)
+            .z_index(120)
             .group("tab_bar")
             .flex()
             .flex_none()