Fix thumbnails being drawn over whole resource preview

qrenderdoc/Widgets/ResourcePreview.cpp

@@ -119,7 +119,7 @@ void ResourcePreview::changeEvent(QEvent *event)
     setSelected(m_Selected);
 }
 
-WId ResourcePreview::thumbWinId()
+QWidget *ResourcePreview::thumbWidget()
 {
-  return ui->thumbnail->winId();
-}
+  return ui->thumbnail;
+}

qrenderdoc/Widgets/ResourcePreview.h

@@ -53,7 +53,7 @@ public:
   void clickEvent(QMouseEvent *e);
   void doubleClickEvent(QMouseEvent *e);
 
-  WId thumbWinId();
+  QWidget *thumbWidget();
 
   void setActive(bool b)
   {

qrenderdoc/Windows/TextureViewer.cpp

@@ -1965,7 +1965,7 @@ void TextureViewer::InitResourcePreview(ResourcePreview *prev, ResourceId id, Co
 
     prev->setResourceName(fullname);
 
-    WindowingData winData = m_Ctx.CreateWindowingData(prev);
+    WindowingData winData = m_Ctx.CreateWindowingData(prev->thumbWidget());
 
     if(m_Ctx.GetTexture(id))
     {
@@ -1991,7 +1991,7 @@ void TextureViewer::InitResourcePreview(ResourcePreview *prev, ResourceId id, Co
     prev->setActive(true);
     prev->setSelected(true);
 
-    WindowingData winData = m_Ctx.CreateWindowingData(prev);
+    WindowingData winData = m_Ctx.CreateWindowingData(prev->thumbWidget());
     m_Ctx.Replay().AsyncInvoke([this, winData](IReplayController *) {
       m_Output->AddThumbnail(winData, ResourceId(), CompType::Typeless);
     });