Add dock state to workspace context

crates/agent_ui/src/agent_panel.rs

@@ -1395,6 +1395,10 @@ impl Panel for AgentPanel {
         "AgentPanel"
     }
 
+    fn panel_key() -> &'static str {
+        AGENT_PANEL_KEY
+    }
+
     fn position(&self, _window: &Window, cx: &App) -> DockPosition {
         agent_panel_dock_position(cx)
     }

crates/collab_ui/src/collab_panel.rs

@@ -3037,6 +3037,10 @@ impl Panel for CollabPanel {
         "CollabPanel"
     }
 
+    fn panel_key() -> &'static str {
+        COLLABORATION_PANEL_KEY
+    }
+
     fn activation_priority(&self) -> u32 {
         6
     }

crates/collab_ui/src/notification_panel.rs

@@ -612,6 +612,10 @@ impl Panel for NotificationPanel {
         "NotificationPanel"
     }
 
+    fn panel_key() -> &'static str {
+        NOTIFICATION_PANEL_KEY
+    }
+
     fn position(&self, _: &Window, cx: &App) -> DockPosition {
         NotificationPanelSettings::get_global(cx).dock
     }

crates/debugger_ui/src/debugger_panel.rs

@@ -43,6 +43,8 @@ use workspace::{
 };
 use zed_actions::ToggleFocus;
 
+const DEBUG_PANEL_KEY: &str = "DebugPanel";
+
 pub struct DebugPanel {
     size: Pixels,
     active_session: Option<Entity<DebugSession>>,
@@ -1414,6 +1416,10 @@ impl Panel for DebugPanel {
         "DebugPanel"
     }
 
+    fn panel_key() -> &'static str {
+        DEBUG_PANEL_KEY
+    }
+
     fn position(&self, _window: &Window, cx: &App) -> DockPosition {
         DebuggerSettings::get_global(cx).dock.into()
     }

crates/git_ui/src/git_panel.rs

@@ -4419,6 +4419,10 @@ impl Panel for GitPanel {
         "GitPanel"
     }
 
+    fn panel_key() -> &'static str {
+        GIT_PANEL_KEY
+    }
+
     fn position(&self, _: &Window, cx: &App) -> DockPosition {
         GitPanelSettings::get_global(cx).dock
     }

crates/outline_panel/src/outline_panel.rs

@@ -4838,6 +4838,10 @@ impl Panel for OutlinePanel {
         "Outline Panel"
     }
 
+    fn panel_key() -> &'static str {
+        OUTLINE_PANEL_KEY
+    }
+
     fn position(&self, _: &Window, cx: &App) -> DockPosition {
         match OutlinePanelSettings::get_global(cx).dock {
             DockSide::Left => DockPosition::Left,

crates/project_panel/src/project_panel.rs

@@ -6011,6 +6011,10 @@ impl Panel for ProjectPanel {
         "Project Panel"
     }
 
+    fn panel_key() -> &'static str {
+        PROJECT_PANEL_KEY
+    }
+
     fn starts_open(&self, _: &Window, cx: &App) -> bool {
         if !ProjectPanelSettings::get_global(cx).starts_open {
             return false;

crates/terminal_view/src/terminal_panel.rs

@@ -1572,6 +1572,10 @@ impl Panel for TerminalPanel {
         "TerminalPanel"
     }
 
+    fn panel_key() -> &'static str {
+        TERMINAL_PANEL_KEY
+    }
+
     fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
         if (self.is_enabled(cx) || !self.has_no_terminals(cx))
             && TerminalSettings::get_global(cx).button

crates/workspace/src/dock.rs

@@ -27,6 +27,7 @@ pub use proto::PanelId;
 
 pub trait Panel: Focusable + EventEmitter<PanelEvent> + Render + Sized {
     fn persistent_name() -> &'static str;
+    fn panel_key() -> &'static str;
     fn position(&self, window: &Window, cx: &App) -> DockPosition;
     fn position_is_valid(&self, position: DockPosition) -> bool;
     fn set_position(&mut self, position: DockPosition, window: &mut Window, cx: &mut Context<Self>);
@@ -61,6 +62,7 @@ pub trait Panel: Focusable + EventEmitter<PanelEvent> + Render + Sized {
 pub trait PanelHandle: Send + Sync {
     fn panel_id(&self) -> EntityId;
     fn persistent_name(&self) -> &'static str;
+    fn panel_key(&self) -> &'static str;
     fn position(&self, window: &Window, cx: &App) -> DockPosition;
     fn position_is_valid(&self, position: DockPosition, cx: &App) -> bool;
     fn set_position(&self, position: DockPosition, window: &mut Window, cx: &mut App);
@@ -108,6 +110,10 @@ where
         T::persistent_name()
     }
 
+    fn panel_key(&self) -> &'static str {
+        T::panel_key()
+    }
+
     fn position(&self, window: &Window, cx: &App) -> DockPosition {
         self.read(cx).position(window, cx)
     }
@@ -1016,6 +1022,10 @@ pub mod test {
             "TestPanel"
         }
 
+        fn panel_key() -> &'static str {
+            "TestPanel"
+        }
+
         fn position(&self, _window: &Window, _: &App) -> super::DockPosition {
             self.position
         }

crates/workspace/src/workspace.rs

@@ -6367,6 +6367,24 @@ impl Render for Workspace {
             }
         }
 
+        if self.left_dock.read(cx).is_open() {
+            if let Some(active_panel) = self.left_dock.read(cx).active_panel() {
+                context.set("left_dock", active_panel.panel_key());
+            }
+        }
+
+        if self.right_dock.read(cx).is_open() {
+            if let Some(active_panel) = self.right_dock.read(cx).active_panel() {
+                context.set("right_dock", active_panel.panel_key());
+            }
+        }
+
+        if self.bottom_dock.read(cx).is_open() {
+            if let Some(active_panel) = self.bottom_dock.read(cx).active_panel() {
+                context.set("bottom_dock", active_panel.panel_key());
+            }
+        }
+
         let centered_layout = self.centered_layout
             && self.center.panes().len() == 1
             && self.active_item(cx).is_some();