Optimize the carrousel piece fitInView

src/app/puzzle/vpiececarrousel.cpp

@@ -121,7 +121,7 @@ void VPieceCarrousel::Refresh()
         m_layersContainer->layout()->addWidget(carrouselLayer);
     }
 
-    m_comboBoxLayer->setCurrentIndex(0);
+    on_ActiveLayerChanged(0);
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/puzzle/vpiececarrousellayer.cpp

@@ -72,6 +72,7 @@ void VPieceCarrouselLayer::Refresh()
           [](const VPuzzlePiece* a, const VPuzzlePiece* b) -> bool { return a->GetName() < b->GetName();});
 
     // create the corresponding carrousel pieces
+
     for (auto piece : pieces)
     {
 //        qCDebug(pCarrouselLayer, "piece name : %s", piece->GetName().toStdString().c_str());
@@ -79,5 +80,11 @@ void VPieceCarrouselLayer::Refresh()
         VPieceCarrouselPiece *carrouselPiece = new VPieceCarrouselPiece(piece);
         m_carrouselPieces.append(carrouselPiece);
         layout()->addWidget(carrouselPiece);
+
+        // FIXME? the fitInView inside the refresh of the piece doesn't workd properly.
+        // only by doing the following I did get it to work:
+        setVisible(true);
+        carrouselPiece->CleanPreview();
+        setVisible(false);
     }
 }

src/app/puzzle/vpiececarrouselpiece.cpp

@@ -79,6 +79,12 @@ void VPieceCarrouselPiece::Init()
     Refresh();
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VPieceCarrouselPiece::CleanPreview()
+{
+    m_graphicsView->fitInView(m_graphicsView->scene()->sceneRect(), Qt::KeepAspectRatio);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VPieceCarrouselPiece::Refresh()
 {

src/app/puzzle/vpiececarrouselpiece.h

@@ -44,6 +44,11 @@ public:
 
     void Init();
     void Refresh();
+    /**
+    * @brief CleanPiecesPreview fitInView of the qGraphicsView of the pieces works properly
+    * only when the piece is in place in the layer and we call it from the layer.
+    */
+    void CleanPreview();
 
 signals: