tdf#117537 block rentry to CheckAndMarkUnknownFont

Change-Id: I70e75a39d13e93e929c7aef5407b1100bb2a7c12
Reviewed-on: https://gerrit.libreoffice.org/55129Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

svx/source/tbxctrls/tbcontrl.cxx

@@ -193,6 +193,7 @@ private:
     Reference< XDispatchProvider > m_xDispatchProvider;
     Reference< XFrame >            m_xFrame;
     bool            mbEndPreview;
+    bool            mbCheckingUnknownFont;
 
     void            ReleaseFocus_Impl();
     void            EnableControls_Impl();
@@ -971,7 +972,8 @@ SvxFontNameBox_Impl::SvxFontNameBox_Impl( vcl::Window* pParent, const Reference<
     bRelease           ( true ),
     m_xDispatchProvider( rDispatchProvider ),
     m_xFrame (_xFrame),
-    mbEndPreview(false)
+    mbEndPreview(false),
+    mbCheckingUnknownFont(false)
 {
     SetOptimalSize();
     EnableControls_Impl();
@@ -1003,6 +1005,9 @@ IMPL_LINK( SvxFontNameBox_Impl, CheckAndMarkUnknownFont, VclWindowEvent&, event,
 {
     if( event.GetId() != VclEventId::EditModify )
         return;
+    if (mbCheckingUnknownFont) //tdf#117537 block rentry
+        return;
+    mbCheckingUnknownFont = true;
     OUString fontname = GetSubEdit()->GetText();
     lcl_GetDocFontList( &pFontList, this );
     // If the font is unknown, show it in italic.
@@ -1025,6 +1030,7 @@ IMPL_LINK( SvxFontNameBox_Impl, CheckAndMarkUnknownFont, VclWindowEvent&, event,
             SetQuickHelpText( SvxResId( RID_SVXSTR_CHARFONTNAME_NOTAVAILABLE ));
         }
     }
+    mbCheckingUnknownFont = false;
 }
 
 void SvxFontNameBox_Impl::Update( const css::awt::FontDescriptor* pFontDesc )