dock: Add popup_menu delegate to custom panel menu. (#202)

crates/app/src/story_workspace.rs

@@ -76,101 +76,112 @@ impl StoryWorkspace {
             })
         });
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Buttons",
             "Displays a button or a component that looks like a button.",
             ButtonStory::view(cx).into(),
             tab_panel.clone(),
+            false,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Input",
             "A control that allows the user to input text.",
             InputStory::view(cx).into(),
             tab_panel.clone(),
+            false,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Text",
             "Links, paragraphs, checkboxes, and more.",
             TextStory::view(cx).into(),
             tab_panel.clone(),
+            true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Switch",
             "A control that allows the user to toggle between two states.",
             SwitchStory::view(cx).into(),
             tab_panel.clone(),
+            true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Dropdowns",
             "Displays a list of options for the user to pick from—triggered by a button.",
             DropdownStory::new(cx).into(),
             tab_panel.clone(),
+            true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Modal",
             "Modal & Drawer use examples",
             ModalStory::view(cx).into(),
             tab_panel.clone(),
+            true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Popup",
             "A popup displays content on top of the main page.",
             PopupStory::view(cx).into(),
             tab_panel.clone(),
+            true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Tooltip",
             "Displays a short message when users hover over an element.",
             TooltipStory::view(cx).into(),
             tab_panel.clone(),
+            true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "List",
             "A list displays a series of items.",
             ListStory::view(cx).into(),
             tab_panel.clone(),
+            true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Icon",
             "Icon use examples",
             IconStory::view(cx).into(),
             tab_panel.clone(),
+            true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Image",
             "Render SVG image and Chart",
             ImageStory::view(cx).into(),
             right_tab_panel1.clone(),
+            true,
             cx,
         )
         .detach();
@@ -183,47 +194,52 @@ impl StoryWorkspace {
         //     cx,
         // );
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Table",
             "Powerful table and datagrids built.",
             TableStory::view(cx).into(),
             tab_panel.clone(),
+            true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Progress",
             "Displays an indicator showing the completion progress of a task, typically displayed as a progress bar.",
             ProgressStory::view(cx).into(),
             tab_panel.clone(),
+                 true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Resizable",
             "Accessible resizable panel groups and layouts with keyboard support.",
             ResizableStory::view(cx).into(),
             tab_panel.clone(),
+            true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Scrollable",
             "A scrollable area with scroll bar.",
             ScrollableStory::view(cx).into(),
             tab_panel.clone(),
+            true,
             cx,
         )
         .detach();
 
-        StoryContainer::add_pane(
+        StoryContainer::add_panel(
             "Calendar",
             "A calendar component.",
             CalendarStory::view(cx).into(),
             right_tab_panel.clone(),
+            true,
             cx,
         )
         .detach();

crates/story/src/lib.rs

@@ -37,8 +37,8 @@ pub use tooltip_story::TooltipStory;
 pub use webview_story::WebViewStory;
 
 use gpui::{
-    div, prelude::FluentBuilder as _, px, AnyView, AppContext, Div, EventEmitter, FocusableView,
+    actions, div, prelude::FluentBuilder as _, px, AnyView, AppContext, Div, EventEmitter,
-    InteractiveElement, IntoElement, ParentElement, Render, SharedString,
+    FocusableView, InteractiveElement, IntoElement, ParentElement, Render, SharedString,
     StatefulInteractiveElement, Styled as _, Task, View, ViewContext, VisualContext, WindowContext,
 };
 
@@ -48,6 +48,7 @@ use ui::{
     dock::{Panel, PanelEvent, TabPanel},
     h_flex,
     label::Label,
+    popup_menu::PopupMenu,
     v_flex,
 };
 
@@ -57,6 +58,8 @@ pub fn init(cx: &mut AppContext) {
     popup_story::init(cx);
 }
 
+actions!(story, [PanelInfo]);
+
 pub fn section(title: impl IntoElement, cx: &WindowContext) -> Div {
     use ui::theme::ActiveTheme;
     let theme = cx.theme();
@@ -81,6 +84,7 @@ pub struct StoryContainer {
     width: Option<gpui::Pixels>,
     height: Option<gpui::Pixels>,
     story: Option<AnyView>,
+    closeable: bool,
 }
 
 impl FocusableView for StoryContainer {
@@ -100,6 +104,7 @@ impl StoryContainer {
     pub fn new(
         name: impl Into<SharedString>,
         description: impl Into<SharedString>,
+        closeable: bool,
         cx: &mut WindowContext,
     ) -> Self {
         let focus_handle = cx.focus_handle();
@@ -111,14 +116,16 @@ impl StoryContainer {
             width: None,
             height: None,
             story: None,
+            closeable,
         }
     }
 
-    pub fn add_pane(
+    pub fn add_panel(
         name: impl Into<SharedString>,
         description: impl Into<SharedString>,
         story: AnyView,
         tab_panel: View<TabPanel>,
+        closeable: bool,
         cx: &mut WindowContext,
     ) -> Task<Result<View<Self>>> {
         let name = name.into();
@@ -126,7 +133,8 @@ impl StoryContainer {
 
         cx.spawn(|mut cx| async move {
             tab_panel.update(&mut cx, |panel, cx| {
-                let view = cx.new_view(|cx| Self::new(name, description, cx).story(story));
+                let view =
+                    cx.new_view(|cx| Self::new(name, description, closeable, cx).story(story));
                 panel.add_panel(Arc::new(view.clone()), cx);
                 view
             })
@@ -153,6 +161,14 @@ impl Panel for StoryContainer {
     fn title(&self, _cx: &WindowContext) -> SharedString {
         self.name.clone()
     }
+
+    fn closeable(&self, _cx: &WindowContext) -> bool {
+        self.closeable
+    }
+
+    fn popup_menu(&self, menu: PopupMenu, _cx: &WindowContext) -> PopupMenu {
+        menu.menu("Panel Info", Box::new(PanelInfo))
+    }
 }
 
 impl EventEmitter<PanelEvent> for StoryContainer {}

crates/ui/src/dock/panel.rs

@@ -1,6 +1,8 @@
 use gpui::{AnyView, EventEmitter, FocusableView, SharedString, View, WindowContext};
 use rust_i18n::t;
 
+use crate::popup_menu::PopupMenu;
+
 use super::PanelEvent;
 
 pub trait Panel: EventEmitter<PanelEvent> + FocusableView {
@@ -13,6 +15,11 @@ pub trait Panel: EventEmitter<PanelEvent> + FocusableView {
     fn closeable(&self, _cx: &WindowContext) -> bool {
         true
     }
+
+    /// The addition popup menu of the panel, default is `None`.
+    fn popup_menu(&self, this: PopupMenu, _cx: &WindowContext) -> PopupMenu {
+        this
+    }
 }
 
 pub trait PanelView: 'static + Send + Sync {
@@ -21,6 +28,10 @@ pub trait PanelView: 'static + Send + Sync {
         t!("Dock.Unnamed").into()
     }
 
+    fn closeable(&self, cx: &WindowContext) -> bool;
+
+    fn popup_menu(&self, menu: PopupMenu, cx: &WindowContext) -> PopupMenu;
+
     fn view(&self) -> AnyView;
 }
 
@@ -29,6 +40,14 @@ impl<T: Panel> PanelView for View<T> {
         self.read(cx).title(cx)
     }
 
+    fn closeable(&self, cx: &WindowContext) -> bool {
+        self.read(cx).closeable(cx)
+    }
+
+    fn popup_menu(&self, menu: PopupMenu, cx: &WindowContext) -> PopupMenu {
+        self.read(cx).popup_menu(menu, cx)
+    }
+
     fn view(&self) -> AnyView {
         self.clone().into()
     }

crates/ui/src/dock/tab_panel.rs

@@ -4,14 +4,14 @@ use gpui::{
     div, prelude::FluentBuilder, rems, AnchorCorner, AppContext, DefiniteLength, DismissEvent,
     DragMoveEvent, Empty, EventEmitter, FocusHandle, FocusableView, InteractiveElement as _,
     IntoElement, ParentElement, Render, ScrollHandle, StatefulInteractiveElement, Styled, View,
-    ViewContext, VisualContext as _, WeakView,
+    ViewContext, VisualContext as _, WeakView, WindowContext,
 };
 use rust_i18n::t;
 
 use crate::{
     button::Button,
     h_flex,
-    popup_menu::PopupMenuExt,
+    popup_menu::{PopupMenu, PopupMenuExt},
     tab::{Tab, TabBar},
     theme::ActiveTheme,
     tooltip::Tooltip,
@@ -164,6 +164,9 @@ impl TabPanel {
 
     fn render_menu_button(&self, cx: &mut ViewContext<Self>) -> impl IntoElement {
         let is_zoomed = self.is_zoomed;
+        let closeable = self.closeable(cx);
+        let view = cx.view().clone();
+        let build_popup_menu = move |this, cx: &WindowContext| view.read(cx).popup_menu(this, cx);
 
         h_flex()
             .gap_2()
@@ -186,8 +189,9 @@ impl TabPanel {
                     .icon(IconName::Ellipsis)
                     .xsmall()
                     .ghost()
-                    .popup_menu(move |this, _| {
+                    .popup_menu(move |this, cx| {
-                        this.menu(
+                        build_popup_menu(this, cx)
+                            .menu(
                                 if is_zoomed {
                                     t!("Dock.Zoom Out")
                                 } else {
@@ -195,9 +199,11 @@ impl TabPanel {
                                 },
                                 Box::new(ToggleZoom),
                             )
-                        .separator()
+                            .when(closeable, |this| {
+                                this.separator()
                                     .menu(t!("Dock.Close"), Box::new(ClosePanel))
                             })
+                    })
                     .anchor(AnchorCorner::TopRight),
             )
     }
@@ -498,7 +504,21 @@ impl TabPanel {
     }
 }
 
-impl Panel for TabPanel {}
+impl Panel for TabPanel {
+    fn closeable(&self, cx: &WindowContext) -> bool {
+        self.active_panel()
+            .map(|panel| panel.closeable(cx))
+            .unwrap_or(false)
+    }
+
+    fn popup_menu(&self, menu: PopupMenu, cx: &WindowContext) -> PopupMenu {
+        if let Some(panel) = self.active_panel() {
+            panel.popup_menu(menu, cx)
+        } else {
+            menu
+        }
+    }
+}
 impl FocusableView for TabPanel {
     fn focus_handle(&self, _cx: &AppContext) -> gpui::FocusHandle {
         // FIXME: Delegate to the active panel