inner layout support

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67903 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/cocoa/gauge.mm

@@ -37,6 +37,13 @@
 
 @end
 
+@interface NSView(PossibleSizeMethods)
+- (NSControlSize)controlSize;
+@end
+
+namespace
+{
+
 class wxOSXGaugeCocoaImpl : public wxWidgetCocoaImpl
 {
 public :
@@ -64,6 +71,27 @@ public :
             [(wxNSProgressIndicator*)m_osxView startAnimation:nil];
         }
     }
+
+    void GetLayoutInset(int &left , int &top , int &right, int &bottom) const
+    {
+        left = top = right = bottom = 0;
+        NSControlSize size = size = [(wxNSProgressIndicator*)m_osxView controlSize];
+
+        switch( size )
+        {
+            case NSRegularControlSize:
+                left = right = 2;
+                top = 0;
+                bottom = 4;
+                break;
+            case NSMiniControlSize:
+            case NSSmallControlSize:
+                left = right = 1;
+                top = 0;
+                bottom = 2;
+                break;
+        }
+    }
 protected:
     void SetDeterminateMode()
     {
@@ -75,7 +103,8 @@ protected:
         }
     }
 };
-
+    
+} // anonymous namespace
 
 wxWidgetImplType* wxWidgetImpl::CreateGauge( wxWindowMac* wxpeer,
                                     wxWindowMac* WXUNUSED(parent),