modules/javafx.controls/src/main/java/javafx/scene/control/skin/ComboBoxPopupControl.java

*** 411,422 ****
          popupNeedsReconfiguring = true;
          reconfigurePopup();
  
          final ComboBoxBase<T> comboBoxBase = getSkinnable();
          _popup.show(comboBoxBase.getScene().getWindow(),
!                 snapPosition(p.getX()),
!                 snapPosition(p.getY()));
  
          popupContent.requestFocus();
  
          // second call to sizePopup here to enable proper sizing _after_ the popup
          // has been displayed. See RT-37622 for more detail.
--- 411,422 ----
          popupNeedsReconfiguring = true;
          reconfigurePopup();
  
          final ComboBoxBase<T> comboBoxBase = getSkinnable();
          _popup.show(comboBoxBase.getScene().getWindow(),
!                 snapPositionX(p.getX()),
!                 snapPositionY(p.getY()));
  
          popupContent.requestFocus();
  
          // second call to sizePopup here to enable proper sizing _after_ the popup
          // has been displayed. See RT-37622 for more detail.
*** 429,447 ****
          if (popupContent instanceof Region) {
              // snap to pixel
              final Region r = (Region) popupContent;
  
              // 0 is used here for the width due to RT-46097
!             double prefHeight = snapSize(r.prefHeight(0));
!             double minHeight = snapSize(r.minHeight(0));
!             double maxHeight = snapSize(r.maxHeight(0));
!             double h = snapSize(Math.min(Math.max(prefHeight, minHeight), Math.max(minHeight, maxHeight)));
! 
!             double prefWidth = snapSize(r.prefWidth(h));
!             double minWidth = snapSize(r.minWidth(h));
!             double maxWidth = snapSize(r.maxWidth(h));
!             double w = snapSize(Math.min(Math.max(prefWidth, minWidth), Math.max(minWidth, maxWidth)));
  
              popupContent.resize(w, h);
          } else {
              popupContent.autosize();
          }
--- 429,447 ----
          if (popupContent instanceof Region) {
              // snap to pixel
              final Region r = (Region) popupContent;
  
              // 0 is used here for the width due to RT-46097
!             double prefHeight = snapSizeY(r.prefHeight(0));
!             double minHeight = snapSizeY(r.minHeight(0));
!             double maxHeight = snapSizeY(r.maxHeight(0));
!             double h = snapSizeY(Math.min(Math.max(prefHeight, minHeight), Math.max(minHeight, maxHeight)));
! 
!             double prefWidth = snapSizeX(r.prefWidth(h));
!             double minWidth = snapSizeX(r.minWidth(h));
!             double maxWidth = snapSizeX(r.maxWidth(h));
!             double w = snapSizeX(Math.min(Math.max(prefWidth, minWidth), Math.max(minWidth, maxWidth)));
  
              popupContent.resize(w, h);
          } else {
              popupContent.autosize();
          }