refactor

crates/dock/src/lib.rs

@@ -1,4 +1,7 @@
-use gpui::{Pixels, px};
+use std::sync::Arc;
+
+use gpui::{Context, Pixels, Window, px};
+use gpui_base::dock::PanelView;
 
 mod dock_area;
 mod invalid_panel;
@@ -8,12 +11,21 @@ mod window_controls;
 
 pub use dock_area::SignedDockSkin;
 pub use gpui_component::dock::{
-    AnyDrag, BasePanel, BasePanelView, ClosePanel, DockArea, DockAreaState, DockContext, DockEvent,
-    DockLayout, DockPlacement, DockState, DragPanel, DropIndicator, DropPlaceholderBounds,
-    DropTarget, Panel, PanelControl, PanelEvent, PanelHandle, PanelInfo, PanelState, PanelStyle,
-    PanelView, TitleStyle, ToggleZoom, panel_handle, register_panel,
+    BasePanel, DockArea, DockEvent, DockLayout, DockPlacement, Panel, PanelEvent, panel_handle,
 };
 
+/// Add an already-wrapped panel handle to the center of `area`.
+///
+/// Every panel entry point opens its panel there.
+pub fn add_center_panel(
+    area: &mut DockArea,
+    panel: Arc<dyn PanelView>,
+    window: &mut Window,
+    cx: &mut Context<DockArea>,
+) {
+    area.add_panel_view(panel, DockPlacement::Center, None, window, cx);
+}
+
 /// The fixed height of the tab bar, which doubles as the window title bar.
 pub const TAB_BAR_HEIGHT: Pixels = px(44.);