make sure we catch invalid control refs better

[wxWidgets.git] / src / mac / carbon / scrolbar.cpp

diff --git a/src/mac/carbon/scrolbar.cpp b/src/mac/carbon/scrolbar.cpp
index f6f9bc4cfc5aace39b6cbb397235e9e237fd7e11..5f268188b9e3e1e76f676d2aaa81f17098b718bf 100644 (file)
--- a/src/mac/carbon/scrolbar.cpp
+++ b/src/mac/carbon/scrolbar.cpp
@@ -11,12 +11,14 @@
 
 #include "wx/wxprec.h"
 
 
 #include "wx/wxprec.h"
 

+#include "wx/scrolbar.h"
+

 #ifndef WX_PRECOMP
     #include "wx/intl.h"
     #include "wx/log.h"
 #ifndef WX_PRECOMP
     #include "wx/intl.h"
     #include "wx/log.h"

+    #include "wx/settings.h"

 #endif
 
 #endif
 

-#include "wx/scrolbar.h"

 #include "wx/mac/uma.h"
 
 IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl)
 #include "wx/mac/uma.h"
 
 IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl)


@@ -219,3 +221,23 @@ wxInt32 wxScrollBar::MacControlHit( WXEVENTHANDLERREF handler, WXEVENTREF mevent
 
     return noErr;
 }
 
     return noErr;
 }

+
+
+wxSize wxScrollBar::DoGetBestSize() const
+{
+    int w = 100;
+    int h = 100;
+
+    if ( IsVertical() )
+    {
+        w = wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
+    }
+    else
+    {
+        h = wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
+    }
+
+    wxSize best(w, h);
+    CacheBestSize(best);
+    return best;
+}