added native pane splitter rendering

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27548 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/renderer.cpp

@@ -32,6 +32,7 @@
 #endif //WX_PRECOMP
 
 #include "wx/renderer.h"
+#include "wx/mac/uma.h"
 
 // ----------------------------------------------------------------------------
 // wxRendererMac: our wxRendererNative implementation
@@ -240,10 +241,53 @@ wxRendererMac::DrawSplitterSash(wxWindow *win,
                                 wxOrientation orient,
                                 int WXUNUSED(flags))
 {
-    // VZ: we have to somehow determine if we're drawing a normal sash or
+#if ( TARGET_API_MAC_OSX == 1 ) && ( MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3 )
-    //     a brushed metal one as they look quite differently... this is
+    if ( UMAGetSystemVersion() >= 0x1030 )
-    //     completely bogus anyhow, of course (TODO)
+    {
+        bool hasMetal = win->MacGetTopLevelWindow()->MacGetMetalAppearance() ;
+        SInt32 height ;
+        GetThemeMetric( kThemeMetricSmallPaneSplitterHeight , &height ) ;
+        HIRect splitterRect ;
+        if ( orient == wxVERTICAL )
+            splitterRect = CGRectMake( position , 0 , height, size.y);
+        else
+            splitterRect = CGRectMake( 0 , position , size.x , height );
+        HIViewConvertRect( &splitterRect , (HIViewRef) win->GetHandle() , (HIViewRef) win->MacGetTopLevelWindow()->GetHandle() ) ;
 
+        // under compositing we should only draw when called by the OS, otherwise just issue a redraw command
+        // strange redraw errors occur if we don't do this
+
+        if ( dc.IsKindOf( CLASSINFO( wxPaintDC ) ) == false )
+        {
+            Rect r = { splitterRect.origin.y , splitterRect.origin.x , 
+                splitterRect.origin.y + splitterRect.size.height , splitterRect.origin.x + splitterRect.size.width } ;
+            RgnHandle updateRgn = NewRgn() ;
+            RectRgn( updateRgn , &r ) ;
+            HIViewSetNeedsDisplayInRegion( (HIViewRef) win->GetHandle() , updateRgn , true ) ;
+            DisposeRgn( updateRgn ) ;
+        }
+        else
+        {
+            CGContextRef cgContext ;
+            Rect bounds ;
+            GetPortBounds( (CGrafPtr) dc.m_macPort , &bounds ) ;
+            QDBeginCGContext( (CGrafPtr) dc.m_macPort , &cgContext ) ;
+            CGContextTranslateCTM( cgContext , 0 , bounds.bottom - bounds.top ) ;
+            CGContextScaleCTM( cgContext , 1 , -1 ) ;
+
+            {
+                HIThemeSplitterDrawInfo drawInfo ;
+                drawInfo.version = 0 ;
+                drawInfo.state = kThemeStateActive ;
+                drawInfo.adornment = hasMetal ? kHIThemeSplitterAdornmentMetal : kHIThemeSplitterAdornmentNone ;
+                HIThemeDrawPaneSplitter( &splitterRect , &drawInfo , cgContext , kHIThemeOrientationNormal ) ;    
+            }
+            QDEndCGContext( (CGrafPtr) dc.m_macPort , &cgContext ) ;
+        }
+    }
+    else
+#endif
+    {
 #if 0
         dc.SetPen(*wxLIGHT_GREY_PEN);
         dc.SetBrush(*wxWHITE_BRUSH);
@@ -279,5 +323,6 @@ wxRendererMac::DrawSplitterSash(wxWindow *win,
             }
         }
 #endif
+    }
 }