Harden editor app windowing boundary

editor/src/Workspace/UIEditorWorkspaceController.cpp

@@ -139,6 +139,53 @@ UIEditorWorkspaceController::UIEditorWorkspaceController(
     , m_session(std::move(session)) {
 }
 
+UIEditorWorkspaceController::UIEditorWorkspaceController(
+    const UIEditorWorkspaceController& other)
+    : m_panelRegistry(other.m_panelRegistry)
+    , m_baselineWorkspace(other.m_baselineWorkspace)
+    , m_baselineSession(other.m_baselineSession)
+    , m_workspace(other.m_workspace)
+    , m_session(other.m_session) {
+}
+
+UIEditorWorkspaceController& UIEditorWorkspaceController::operator=(
+    const UIEditorWorkspaceController& other) {
+    if (this == &other) {
+        return *this;
+    }
+
+    m_panelRegistry = other.m_panelRegistry;
+    m_baselineWorkspace = other.m_baselineWorkspace;
+    m_baselineSession = other.m_baselineSession;
+    m_workspace = other.m_workspace;
+    m_session = other.m_session;
+    m_boundWorkspace = nullptr;
+    m_boundSession = nullptr;
+    return *this;
+}
+
+UIEditorWorkspaceController UIEditorWorkspaceController::BindToState(
+    UIEditorPanelRegistry panelRegistry,
+    UIEditorWorkspaceModel& workspace,
+    UIEditorWorkspaceSession& session) {
+    UIEditorWorkspaceController controller(
+        std::move(panelRegistry),
+        workspace,
+        session);
+    controller.m_boundWorkspace = &workspace;
+    controller.m_boundSession = &session;
+    return controller;
+}
+
+void UIEditorWorkspaceController::SyncBoundState() {
+    if (m_boundWorkspace != nullptr) {
+        *m_boundWorkspace = m_workspace;
+    }
+    if (m_boundSession != nullptr) {
+        *m_boundSession = m_session;
+    }
+}
+
 UIEditorWorkspaceControllerValidationResult UIEditorWorkspaceController::ValidateState() const {
     const UIEditorPanelRegistryValidationResult registryValidation =
         ValidateUIEditorPanelRegistry(m_panelRegistry);
@@ -223,6 +270,8 @@ UIEditorWorkspaceCommandResult UIEditorWorkspaceController::FinalizeMutation(
             "Command produced invalid workspace state: " + validation.message);
     }
 
+    SyncBoundState();
+
     return BuildResult(
         command,
         UIEditorWorkspaceCommandStatus::Changed,
@@ -533,6 +582,8 @@ UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::RestoreLayou
             "Restored layout produced invalid controller state: " + validation.message);
     }
 
+    SyncBoundState();
+
     return BuildLayoutOperationResult(
         UIEditorWorkspaceLayoutOperationStatus::Changed,
         "Layout restored.");
@@ -595,6 +646,8 @@ UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::SetSplitRati
             "Split ratio update produced invalid controller state: " + postValidation.message);
     }
 
+    SyncBoundState();
+
     return BuildLayoutOperationResult(
         UIEditorWorkspaceLayoutOperationStatus::Changed,
         "Split ratio updated.");
@@ -701,6 +754,8 @@ UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::MoveTabToSta
             "MoveTabToStack produced invalid controller state: " + postValidation.message);
     }
 
+    SyncBoundState();
+
     return BuildLayoutOperationResult(
         UIEditorWorkspaceLayoutOperationStatus::Changed,
         "Tab moved to target stack.");
@@ -796,6 +851,8 @@ UIEditorWorkspaceLayoutOperationResult UIEditorWorkspaceController::DockTabRelat
             "DockTabRelative produced invalid controller state: " + postValidation.message);
     }
 
+    SyncBoundState();
+
     return BuildLayoutOperationResult(
         UIEditorWorkspaceLayoutOperationStatus::Changed,
         "Tab docked relative to target stack.");