Refresh delegate painting in the Outliner even if the widget is not in focus.

Signed-off-by: Danilo Aimini <82231674+AMZN-daimini@users.noreply.github.com>

Code/Framework/AzToolsFramework/AzToolsFramework/FocusMode/FocusModeNotificationBus.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <AzCore/Component/EntityId.h>
+#include <AzCore/EBus/EBus.h>
+
+namespace AzToolsFramework
+{
+    class FocusModeNotifications
+        : public AZ::EBusTraits
+    {
+    public:
+        virtual ~FocusModeNotifications() = default;
+
+        virtual void OnEditorFocusChanged(AZ::EntityId entityId) = 0;
+    };
+
+    using FocusModeNotificationBus = AZ::EBus<FocusModeNotifications>;
+
+} // namespace AzToolsFramework

Code/Framework/AzToolsFramework/AzToolsFramework/FocusMode/FocusModeSystemComponent.cpp

@@ -9,6 +9,7 @@
 #include <AzCore/Component/TransformBus.h>
 
 #include <AzToolsFramework/API/ViewportEditorModeTrackerInterface.h>
+#include <AzToolsFramework/FocusMode/FocusModeNotificationBus.h>
 #include <AzToolsFramework/FocusMode/FocusModeSystemComponent.h>
 
 namespace AzToolsFramework
@@ -64,7 +65,13 @@ namespace AzToolsFramework
 
     void FocusModeSystemComponent::SetFocusRoot(AZ::EntityId entityId)
     {
+        if (m_focusRoot == entityId)
+        {
+            return;
+        }
+
         m_focusRoot = entityId;
+        FocusModeNotificationBus::Broadcast(&FocusModeNotifications::OnEditorFocusChanged, m_focusRoot);
 
         // TODO - If m_focusRoot != AZ::EntityId(), activate focus mode via ViewportEditorModeTrackerInterface; else, deactivate focus mode
     }

Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerTreeView.cpp

@@ -38,10 +38,14 @@ namespace AzToolsFramework
 
         AZ_Assert((m_editorEntityFrameworkInterface != nullptr),
             "EntityOutlinerTreeView requires a EditorEntityFrameworkInterface instance on Construction.");
+
+        FocusModeNotificationBus::Handler::BusConnect();
     }
 
     EntityOutlinerTreeView::~EntityOutlinerTreeView()
     {
+        FocusModeNotificationBus::Handler::BusDisconnect();
+
         ClearQueuedMouseEvent();
     }
 
@@ -261,6 +265,11 @@ namespace AzToolsFramework
 
         StyledTreeView::StartCustomDrag(indexListSorted, supportedActions);
     }
+
+    void EntityOutlinerTreeView::OnEditorFocusChanged([[maybe_unused]] AZ::EntityId entityId)
+    {
+        viewport()->repaint();
+    }
 }
 
 #include <UI/Outliner/moc_EntityOutlinerTreeView.cpp>

Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerTreeView.hxx

@@ -15,6 +15,7 @@
 #include <QBasicTimer>
 #include <QEvent>
 
+#include <AzToolsFramework/FocusMode/FocusModeNotificationBus.h>
 #include <AzQtComponents/Components/Widgets/TreeView.h>
 #endif
 
@@ -35,6 +36,7 @@ namespace AzToolsFramework
     //! of other entities. If the selection updates instantly, this would never be possible.
     class EntityOutlinerTreeView
         : public AzQtComponents::StyledTreeView
+        , private FocusModeNotificationBus::Handler
     {
         Q_OBJECT;
     public:
@@ -60,6 +62,9 @@ namespace AzToolsFramework
         void dragMoveEvent(QDragMoveEvent* event) override;
         void dropEvent(QDropEvent* event) override;
 
+        // FocusModeNotificationBus overrides ...
+        void OnEditorFocusChanged(AZ::EntityId entityId) override;
+
         //! Renders the left side of the item: appropriate background, branch lines, icons.
         void drawBranches(QPainter* painter, const QRect& rect, const QModelIndex& index) const override;
 

Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabViewportFocusPathHandler.cpp

@@ -34,11 +34,8 @@ namespace AzToolsFramework::Prefab
         m_breadcrumbsWidget = breadcrumbsWidget;
         m_backButton = backButton;
 
-        m_backButton->setVisible(false);
-
         // If a part of the path is clicked, focus on that instance
-        connect(
-            m_breadcrumbsWidget, &AzQtComponents::BreadCrumbs::linkClicked, this,
+        connect(m_breadcrumbsWidget, &AzQtComponents::BreadCrumbs::linkClicked, this,
             [&](const QString&, int linkIndex)
             {
                 m_prefabFocusInterface->FocusOnPathIndex(linkIndex);
@@ -65,7 +62,14 @@ namespace AzToolsFramework::Prefab
         m_breadcrumbsWidget->pushPath(m_prefabFocusInterface->GetPrefabFocusPath().c_str());
 
         // Only show the back icon button if the path has more than one element
-        m_backButton->setVisible(m_prefabFocusInterface->GetPrefabFocusPathLength() > 1);
+        if(m_prefabFocusInterface->GetPrefabFocusPathLength() > 1)
+        {
+            m_backButton->show();
+        }
+        else
+        {
+            m_backButton->hide();
+        }
     }
 
 } // namespace AzToolsFramework::Prefab

Code/Framework/AzToolsFramework/AzToolsFramework/aztoolsframework_files.cmake

@@ -150,6 +150,7 @@ set(FILES
     Fingerprinting/TypeFingerprinter.h
     Fingerprinting/TypeFingerprinter.cpp
     FocusMode/FocusModeInterface.h
+    FocusMode/FocusModeNotificationBus.h
     FocusMode/FocusModeSystemComponent.h
     FocusMode/FocusModeSystemComponent.cpp
     Logger/TraceLogger.cpp