convert ProminentEntry to enum class

Change-Id: I51578e83a6a44beece174792c9e3e59f7f8c5fef

include/tools/wintypes.hxx

@@ -312,7 +312,7 @@ typedef sal_uInt16 StandardButtonType;
 
 // prominent place for ListBox window types
 
-enum ProminentEntry { PROMINENT_TOP, PROMINENT_MIDDLE };
+enum class ProminentEntry { TOP, MIDDLE };
 
 #endif
 

svtools/source/control/ctrlbox.cxx

@@ -1530,7 +1530,7 @@ void FontSizeBox::ImplInit()
     SetDecimalDigits( 1 );
     SetMin( 20 );
     SetMax( 9999 );
-    SetProminentEntryType( PROMINENT_MIDDLE );
+    SetProminentEntryType( ProminentEntry::MIDDLE );
 }
 
 void FontSizeBox::Reformat()

vcl/source/control/ilstbox.cxx

@@ -524,7 +524,7 @@ ImplListBoxWindow::ImplListBoxWindow( vcl::Window* pParent, WinBits nWinStyle )
     mnCurrentPos            = LISTBOX_ENTRY_NOTFOUND;
     mnTrackingSaveSelection = LISTBOX_ENTRY_NOTFOUND;
     mnSeparatorPos          = LISTBOX_ENTRY_NOTFOUND;
-    meProminentType         = PROMINENT_TOP;
+    meProminentType         = ProminentEntry::TOP;
 
     SetLineColor();
     SetTextFillColor();
@@ -1992,7 +1992,7 @@ void ImplListBoxWindow::SetTopEntry( sal_Int32 nTop )
 
 void ImplListBoxWindow::ShowProminentEntry( sal_Int32 nEntryPos )
 {
-    if( meProminentType == PROMINENT_MIDDLE )
+    if( meProminentType == ProminentEntry::MIDDLE )
     {
         sal_Int32 nPos = nEntryPos;
         long nWHeight = PixelToLogic( GetSizePixel() ).Height();