Enlarged thumbnails on hover

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/PropertyAssetCtrl.cpp

@@ -63,7 +63,7 @@ AZ_POP_DISABLE_WARNING
 
 #include <UI/PropertyEditor/Model/AssetCompleterModel.h>
 #include <UI/PropertyEditor/View/AssetCompleterListView.h>
-#include <UI/PropertyEditor/ThumbnailDropDown.h>
+#include <UI/PropertyEditor/ThumbnailPropertyCtrl.h>
 
 namespace AzToolsFramework
 {
@@ -93,15 +93,11 @@ namespace AzToolsFramework
 
         setAcceptDrops(true);
 
-        m_thumbnail = new Thumbnailer::ThumbnailWidget(this);
-        m_thumbnail->setFixedSize(QSize(24, 24));
+        m_thumbnail = new ThumbnailPropertyCtrl(this);
+        m_thumbnail->setFixedSize(QSize(40, 24));
         m_thumbnail->setVisible(false);
 
-        m_thumbnailDropDown = new ThumbnailDropDown(this);
-        m_thumbnailDropDown->setFixedSize(QSize(40, 24));
-        m_thumbnailDropDown->setVisible(false);
-
-        connect(m_thumbnailDropDown, &ThumbnailDropDown::clicked, this, &PropertyAssetCtrl::OnEditButtonClicked);
+        connect(m_thumbnail, &ThumbnailPropertyCtrl::clicked, this, &PropertyAssetCtrl::OnEditButtonClicked);
 
         m_editButton = new QToolButton(this);
         m_editButton->setAutoRaise(true);
@@ -112,7 +108,6 @@ namespace AzToolsFramework
         connect(m_editButton, &QToolButton::clicked, this, &PropertyAssetCtrl::OnEditButtonClicked);
 
         pLayout->addWidget(m_thumbnail);
-        pLayout->addWidget(m_thumbnailDropDown);
         pLayout->addWidget(m_browseEdit);
         pLayout->addWidget(m_editButton);
 
@@ -1091,9 +1086,8 @@ namespace AzToolsFramework
     void PropertyAssetCtrl::UpdateThumbnail()
     {
         m_thumbnail->setVisible(m_showThumbnail);
-        m_thumbnailDropDown->setVisible(m_showThumbnailDropDown);
 
-        if (m_showThumbnail || m_showThumbnailDropDown)
+        if (m_showThumbnail)
         {
             const AZ::Data::AssetId assetID = GetCurrentAssetID();
             if (assetID.IsValid())
@@ -1112,17 +1106,12 @@ namespace AzToolsFramework
                     {
                         m_thumbnail->SetThumbnailKey(thumbnailKey, Thumbnailer::ThumbnailContext::DefaultContext);
                     }
-                    if (m_showThumbnailDropDown)
-                    {
-                        m_thumbnailDropDown->SetThumbnailKey(thumbnailKey, Thumbnailer::ThumbnailContext::DefaultContext);
-                    }
                     return;
                 }
             }
         }
 
         m_thumbnail->ClearThumbnail();
-        m_thumbnailDropDown->ClearThumbnail();
     }
 
     void PropertyAssetCtrl::SetClearButtonEnabled(bool enable)
@@ -1156,16 +1145,6 @@ namespace AzToolsFramework
         return m_showThumbnail;
     }
 
-    void PropertyAssetCtrl::SetShowThumbnailDropDown(bool enable)
-    {
-        m_showThumbnailDropDown = enable;
-    }
-
-    bool PropertyAssetCtrl::GetShowThumbnailDropDown() const
-    {
-        return m_showThumbnailDropDown;
-    }
-
     const AZ::Uuid& AssetPropertyHandlerDefault::GetHandledType() const
     {
         return AZ::GetAssetClassId();
@@ -1276,19 +1255,11 @@ namespace AzToolsFramework
             }
         }
         else if (attrib == AZ_CRC_CE("Thumbnail"))
-        {
-            bool showThumbnail = false;
-            if (attrValue->Read<bool>(showThumbnail))
-            {
-                GUI->SetShowThumbnail(showThumbnail);
-            }
-        }
-        else if (attrib == AZ_CRC_CE("ThumbnailWithDropDown"))
         {
             PropertyAssetCtrl::EditCallbackType* func = azdynamic_cast<PropertyAssetCtrl::EditCallbackType*>(attrValue->GetAttribute());
             if (func)
             {
-                GUI->SetShowThumbnailDropDown(true);
+                GUI->SetShowThumbnail(true);
                 GUI->SetEditNotifyCallback(func);
             }
             else

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/PropertyAssetCtrl.hxx

@@ -45,7 +45,7 @@ namespace AzToolsFramework
 {
     class AssetCompleterModel;
     class AssetCompleterListView;
-    class ThumbnailDropDown;
+    class ThumbnailPropertyCtrl;
 
     namespace Thumbnailer
     {
@@ -95,8 +95,7 @@ namespace AzToolsFramework
         void OnAssetIDChanged(AZ::Data::AssetId newAssetID);
 
     protected:
-        ThumbnailDropDown* m_thumbnailDropDown = nullptr;
-        Thumbnailer::ThumbnailWidget* m_thumbnail = nullptr;
+        ThumbnailPropertyCtrl* m_thumbnail = nullptr;
         QPushButton* m_errorButton = nullptr;
         QToolButton* m_editButton = nullptr;
 
@@ -158,8 +157,6 @@ namespace AzToolsFramework
 
         bool m_showThumbnail = false;
 
-        bool m_showThumbnailDropDown = false;
-
         // ! Default suffix used in the field's placeholder text when a default value is set.
         const char* m_DefaultSuffix = " (default)";
 
@@ -209,8 +206,6 @@ namespace AzToolsFramework
 
         void SetShowThumbnail(bool enable);
         bool GetShowThumbnail() const;
-        void SetShowThumbnailDropDown(bool enable);
-        bool GetShowThumbnailDropDown() const;
 
         void SetSelectedAssetID(const AZ::Data::AssetId& newID);
         void SetCurrentAssetType(const AZ::Data::AssetType& newType);

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/ThumbnailPropertyCtrl.cpp

@@ -19,12 +19,14 @@ AZ_PUSH_DISABLE_WARNING(4251 4800, "-Wunknown-warning-option") // 4251: 'QRawFon
 #include <QPainter>
 #include <UI/UICore/AspectRatioAwarePixmapWidget.hxx>
 #include <Thumbnails/ThumbnailWidget.h>
+#include <QApplication>
 AZ_POP_DISABLE_WARNING
-#include "ThumbnailDropDown.h"
+#include "ThumbnailPropertyCtrl.h"
 
 namespace AzToolsFramework
 {
-    ThumbnailDropDown::ThumbnailDropDown(QWidget* parent)
+
+    ThumbnailPropertyCtrl::ThumbnailPropertyCtrl(QWidget* parent)
         : QWidget(parent)
     {
         QHBoxLayout* pLayout = new QHBoxLayout();
@@ -51,19 +53,20 @@ namespace AzToolsFramework
         setLayout(pLayout);
     }
 
-    void ThumbnailDropDown::SetThumbnailKey(Thumbnailer::SharedThumbnailKey key, const char* contextName)
+    void ThumbnailPropertyCtrl::SetThumbnailKey(Thumbnailer::SharedThumbnailKey key, const char* contextName)
     {
+        m_key = key;
         m_emptyThumbnail->setVisible(false);
         m_thumbnail->SetThumbnailKey(key, contextName);
     }
 
-    void ThumbnailDropDown::ClearThumbnail()
+    void ThumbnailPropertyCtrl::ClearThumbnail()
     {
         m_emptyThumbnail->setVisible(true);
         m_thumbnail->ClearThumbnail();
     }
 
-    bool ThumbnailDropDown::event(QEvent* e)
+    bool ThumbnailPropertyCtrl::event(QEvent* e)
     {
         if (isEnabled())
         {
@@ -77,7 +80,7 @@ namespace AzToolsFramework
         return QWidget::event(e);
     }
 
-    void ThumbnailDropDown::paintEvent(QPaintEvent* e)
+    void ThumbnailPropertyCtrl::paintEvent(QPaintEvent* e)
     {
         QPainter p(this);
         QRect targetRect(QPoint(), QSize(40, 24));
@@ -85,17 +88,41 @@ namespace AzToolsFramework
         QWidget::paintEvent(e);
     }
 
-    void ThumbnailDropDown::enterEvent(QEvent* e)
+#pragma optimize("", off)
+    void ThumbnailPropertyCtrl::enterEvent(QEvent* e)
     {
         m_dropDownArrow->setPixmap(QPixmap(":/stylesheet/img/triangle0_highlighted.png"));
+        if (!m_thumbnailEnlarged && m_key)
+        {
+            QWidget* rootWidget = QApplication::activeWindow();
+            if (!rootWidget)
+                return;
+            QPoint rootPosition = rootWidget->pos();
+            QPoint myPosition = pos();
+            QPoint position = mapToGlobal(myPosition - QPoint(185, 0));
+            QSize size(180, 180);
+            m_thumbnailEnlarged = new Thumbnailer::ThumbnailWidget();
+            m_thumbnailEnlarged->setFixedSize(size);
+            m_thumbnailEnlarged->move(position);
+            m_thumbnailEnlarged->setWindowTitle("test");
+            m_thumbnailEnlarged->setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
+            m_thumbnailEnlarged->SetThumbnailKey(m_key);
+            m_thumbnailEnlarged->show();
+        }
         QWidget::enterEvent(e);
     }
+#pragma optimize("", on)
 
-    void ThumbnailDropDown::leaveEvent(QEvent* e)
+    void ThumbnailPropertyCtrl::leaveEvent(QEvent* e)
     {
         m_dropDownArrow->setPixmap(QPixmap(":/stylesheet/img/triangle0.png"));
+        if (m_thumbnailEnlarged)
+        {
+            delete m_thumbnailEnlarged;
+            m_thumbnailEnlarged = nullptr;
+        }
         QWidget::leaveEvent(e);
     }
 }
 
-#include "UI/PropertyEditor/moc_ThumbnailDropDown.cpp"
+#include "UI/PropertyEditor/moc_ThumbnailPropertyCtrl.cpp"

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/ThumbnailPropertyCtrl.h

@@ -30,11 +30,12 @@ namespace AzToolsFramework
         class ThumbnailWidget;
     }
 
-    class ThumbnailDropDown : public QWidget
+    //! Used by PropertyAssetCtrl to display thumbnail preview of the asset as well as additional drop-down actions
+    class ThumbnailPropertyCtrl : public QWidget
     {
         Q_OBJECT
     public:
-        explicit ThumbnailDropDown(QWidget* parent = nullptr);
+        explicit ThumbnailPropertyCtrl(QWidget* parent = nullptr);
 
         //! Call this to set what thumbnail widget will display
         void SetThumbnailKey(Thumbnailer::SharedThumbnailKey key, const char* contextName = "Default");
@@ -52,7 +53,9 @@ namespace AzToolsFramework
         void leaveEvent(QEvent* e) override;
 
     private:
+        Thumbnailer::SharedThumbnailKey m_key;
         Thumbnailer::ThumbnailWidget* m_thumbnail = nullptr;
+        Thumbnailer::ThumbnailWidget* m_thumbnailEnlarged = nullptr;
         QLabel* m_emptyThumbnail = nullptr;
         AspectRatioAwarePixmapWidget* m_dropDownArrow = nullptr;
     };

Code/Framework/AzToolsFramework/AzToolsFramework/aztoolsframework_files.cmake

@@ -417,8 +417,8 @@ set(FILES
     UI/PropertyEditor/GrowTextEdit.cpp
     UI/PropertyEditor/MultiLineTextEditHandler.h
     UI/PropertyEditor/MultiLineTextEditHandler.cpp
-    UI/PropertyEditor/ThumbnailDropDown.h
-    UI/PropertyEditor/ThumbnailDropDown.cpp
+    UI/PropertyEditor/ThumbnailPropertyCtrl.h
+    UI/PropertyEditor/ThumbnailPropertyCtrl.cpp
     UI/Slice/SlicePushWidget.cpp
     UI/Slice/SlicePushWidget.hxx
     UI/Slice/SliceOverridesNotificationWindow.cpp

Gems/AtomLyIntegration/CommonFeatures/Code/Source/Material/EditorMaterialComponentSlot.cpp

@@ -98,7 +98,7 @@ namespace AZ
                             ->Attribute(AZ::Edit::Attributes::DefaultAsset, &EditorMaterialComponentSlot::GetDefaultAssetId)
                             ->Attribute(AZ::Edit::Attributes::NameLabelOverride, &EditorMaterialComponentSlot::GetLabel)
                             ->Attribute(AZ::Edit::Attributes::ShowProductAssetFileName, true)
-                            ->Attribute("ThumbnailWithDropDown", &EditorMaterialComponentSlot::OpenPopupMenu)
+                            ->Attribute("Thumbnail", &EditorMaterialComponentSlot::OpenPopupMenu)
                         ;
                 }
             }