Clear selection when switch active sheet.

src/app/puzzle/carousel/vpcarrousel.cpp

@@ -203,6 +203,12 @@ void VPCarrousel::on_ActivePieceListChanged(int index)
 
             if (not sheet.isNull())
             {
+                VPSheetPtr activeSheet = layout->GetFocusedSheet();
+                if (not activeSheet.isNull())
+                {
+                    activeSheet->ClearSelection();
+                }
+
                 m_ignoreActiveSheetChange = true;
                 layout->SetFocusedSheet(sheet);
                 m_ignoreActiveSheetChange = false;

src/app/puzzle/layout/vpsheet.cpp

@@ -595,6 +595,28 @@ auto VPSheet::SceneData() const -> VPSheetSceneData *
     return m_sceneData;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VPSheet::ClearSelection() const
+{
+    QList<VPPiecePtr> selectedPieces = GetSelectedPieces();
+    for (const auto& piece : selectedPieces)
+    {
+        if (piece->IsSelected())
+        {
+            piece->SetSelected(false);
+        }
+    }
+
+    if (not selectedPieces.isEmpty())
+    {
+        VPLayoutPtr layout = GetLayout();
+        if (not layout.isNull())
+        {
+            emit GetLayout()->PieceSelectionChanged(VPPiecePtr());
+        }
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VPSheet::SheetUnits() const -> Unit
 {

src/app/puzzle/layout/vpsheet.h

@@ -255,6 +255,8 @@ public:
 
     VPSheetSceneData *SceneData() const;
 
+    void ClearSelection() const;
+
 public slots:
     void CheckPiecePositionValidity(const VPPiecePtr &piece) const;
 

src/app/puzzle/scene/vpmaingraphicsview.cpp

@@ -457,19 +457,7 @@ void VPMainGraphicsView::on_ItemClicked(QGraphicsItem *item)
             VPSheetPtr sheet = layout->GetFocusedSheet();
             if (not sheet.isNull())
             {
-                QList<VPPiecePtr> selectedPieces = sheet->GetSelectedPieces();
+                sheet->ClearSelection();
-                for (const auto& piece : selectedPieces)
-                {
-                    if (piece->IsSelected())
-                    {
-                        piece->SetSelected(false);
-                    }
-                }
-
-                if (not selectedPieces.isEmpty())
-                {
-                    emit layout->PieceSelectionChanged(VPPiecePtr());
-                }
             }
         }
     }