+
+ wxEventType scrollEvent = wxEVT_NULL;
+ int oldValue = m_value ;
+
+ m_value = oldValue + inc;
+
+ if (m_value < m_min)
+ {
+ if ( m_windowStyle & wxSP_WRAP )
+ m_value = m_max;
+ else
+ m_value = m_min;
+ }
+
+ if (m_value > m_max)
+ {
+ if ( m_windowStyle & wxSP_WRAP )
+ m_value = m_min;
+ else
+ m_value = m_max;
+ }
+
+ if ( m_value - oldValue == -1 )
+ scrollEvent = wxEVT_SCROLL_LINEDOWN ;
+ else if ( m_value - oldValue == 1 )
+ scrollEvent = wxEVT_SCROLL_LINEUP ;
+ else
+ scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
+
+ wxSpinEvent event(scrollEvent, m_windowId);
+
+ event.SetPosition(m_value);
+ event.SetEventObject( this );
+ if ((GetEventHandler()->ProcessEvent( event )) &&
+ !event.IsAllowed() )
+ {
+ m_value = oldValue ;
+ }
+ SetControl32BitValue( (ControlHandle) m_macControl , m_value ) ;
+
+ /* always send a thumbtrack event */
+ if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
+ {
+ scrollEvent = wxEVT_SCROLL_THUMBTRACK;
+ wxSpinEvent event2( scrollEvent, GetId());
+ event2.SetPosition( m_value );
+ event2.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( event2 );
+ }
+}
+
+void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart )
+{
+ if ( (ControlHandle) m_macControl == NULL )
+ return ;
+
+ int nScrollInc = 0;
+
+ switch( controlpart )
+ {
+ case kControlUpButtonPart :