Related: fdo#73051 make font size drop down of optimal width

presumably keithcu felt the font size was too wide, so lets
try and implement the desired effect of an optimal width.

Change-Id: Idc1741de04b3559fa415ebcf2289f96ba240ca8f

svx/source/tbxctrls/tbunocontroller.cxx

@@ -92,6 +92,7 @@ public:
 
     void                statusChanged_Impl( long nHeight, bool bErase = false );
     void                UpdateFont( const ::com::sun::star::awt::FontDescriptor& rCurrentFont );
+    void                SetOptimalSize();
 
     virtual bool        Notify( NotifyEvent& rNEvt );
 
@@ -124,12 +125,11 @@ SvxFontSizeBox_Impl::SvxFontSizeBox_Impl(
     FontSizeBox( _pParent, WinBits( WB_DROPDOWN ) ),
 
     m_pCtrl             ( &_rCtrl ),
-    m_aLogicalSize      ( 30,100 ),
+    m_aLogicalSize      ( 0,100 ),
     m_bRelease          ( true ),
     m_xDispatchProvider ( _rDispatchProvider ),
     m_xFrame            ( _xFrame )
 {
-    SetSizePixel( LogicToPixel( m_aLogicalSize, MAP_APPFONT ));
     SetValue( 0 );
     SetText( "" );
 }
@@ -260,6 +260,16 @@ bool SvxFontSizeBox_Impl::Notify( NotifyEvent& rNEvt )
     return nHandled || FontSizeBox::Notify( rNEvt );
 }
 
+void SvxFontSizeBox_Impl::SetOptimalSize()
+{
+    Size aPrefSize(LogicToPixel(m_aLogicalSize, MAP_APPFONT));
+    aPrefSize.Width() = get_preferred_size().Width();
+    SetSizePixel(aPrefSize);
+    Size aDropSize(LogicToPixel(Size(0, LOGICAL_EDIT_HEIGHT), MAP_APPFONT));
+    aDropSize.Width() = aPrefSize.Width();
+    SetDropDownSizePixel(aDropSize);
+}
+
 // ---------------------------------------------------------------------------
 
 void SvxFontSizeBox_Impl::DataChanged( const DataChangedEvent& rDCEvt )
@@ -267,9 +277,7 @@ void SvxFontSizeBox_Impl::DataChanged( const DataChangedEvent& rDCEvt )
     if ( (rDCEvt.GetType() == DATACHANGED_SETTINGS) &&
          (rDCEvt.GetFlags() & SETTINGS_STYLE) )
     {
-        SetSizePixel( LogicToPixel( m_aLogicalSize, MAP_APPFONT ));
-        Size aDropSize( m_aLogicalSize.Width(), LOGICAL_EDIT_HEIGHT );
-        SetDropDownSizePixel( LogicToPixel( aDropSize, MAP_APPFONT ));
+        SetOptimalSize();
     }
 
     FontSizeBox::DataChanged( rDCEvt );
@@ -413,6 +421,10 @@ uno::Reference< awt::XWindow > SAL_CALL FontHeightToolBoxControl::createItemWind
                         uno::Reference< frame::XDispatchProvider >( m_xFrame, uno::UNO_QUERY ),
                         m_xFrame,
                         *this );
+        //Get the box to fill itself with all its sizes
+        m_pBox->UpdateFont(m_aCurrentFont);
+        //Make it size itself to its optimal size re above sizes
+        m_pBox->SetOptimalSize();
         xItemWindow = VCLUnoHelper::GetInterface( m_pBox );
     }