Merge pull request #46 from ONLYOFFICE/release/v4.1.0

fix Bug 33001

slide/Drawing/DrawingDocument.js

@@ -4724,6 +4724,7 @@ function CThumbnailsManager()
 					if (this.m_oWordControl.m_oLogicDocument.viewMode === false)
 					{
 						editor.DublicateSlide();
+						e.preventDefault();
 						return false;
 					}
 				}

slide/Editor/Format/Presentation.js

@@ -2652,10 +2652,15 @@ CPresentation.prototype =
         else if ( e.KeyCode == 68 && false === editor.isViewMode && true === e.CtrlKey )
         {
            if(this.Slides[this.CurPage]){
-               this.Create_NewHistoryPoint(AscDFH.historydescription_Document_SetParagraphAlignHotKey);
-               this.Slides[this.CurPage].copySelectedObjects();
-               this.Recalculate();
-               this.Document_UpdateInterfaceState();
+               if(this.Slides[this.CurPage].graphicObjects.selectedObjects.length > 0){
+                   this.Create_NewHistoryPoint(AscDFH.historydescription_Document_SetParagraphAlignHotKey);
+                   this.Slides[this.CurPage].copySelectedObjects();
+                   this.Recalculate();
+                   this.Document_UpdateInterfaceState();
+               }
+               else{
+                   this.DublicateSlide();
+               }
            }
             bRetValue = keydownresult_PreventAll;
         }