respecting DoDragDrop flags like CopyOnly

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

diff --git a/src/mac/carbon/region.cpp b/src/mac/carbon/region.cpp
index ab424534701419b84e8bea10166cd3d4c3e62a7e..3e437b45990454a769f85e2361ce6b0897cd16e4 100644 (file)
--- a/src/mac/carbon/region.cpp
+++ b/src/mac/carbon/region.cpp
@@ -18,10 +18,8 @@
 #include "wx/gdicmn.h"
 #include "wx/mac/uma.h"
 
-#if !USE_SHARED_LIBRARY
-    IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
-    IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
 
 //-----------------------------------------------------------------------------
 // wxRegionRefData implementation
@@ -91,25 +89,41 @@ wxRegion::wxRegion(size_t n, const wxPoint *points, int WXUNUSED(fillStyle))
 {
     m_refData = new wxRegionRefData;
 
-    OpenRgn();
-
-    wxCoord x1, x2 , y1 , y2 ;
-    x2 = x1 = points[0].x ;
-    y2 = y1 = points[0].y ;
-    ::MoveTo(x1,y1);
-    for (size_t i = 1; i < n; i++)
+    // OS X somehow does not collect the region invisibly as before, so sometimes things
+    // get drawn on screen instead of just being combined into a region, therefore we allocate a temp gworld now
+    
+       GWorldPtr       gWorld = NULL;
+       GWorldPtr       oldWorld;
+       GDHandle        oldGDHandle;
+    OSStatus    err ;
+       Rect            destRect = {0,0,1,1};
+    
+    ::GetGWorld( &oldWorld, &oldGDHandle );
+    err = ::NewGWorld( &gWorld, 32, &destRect, nil, nil, 0 );
+    if ( err == noErr )
     {
-        x2 = points[i].x ;
-        y2 = points[i].y ;
-        ::LineTo(x2, y2);
-    }
-    // close the polyline if necessary
-    if ( x1 != x2 || y1 != y2 )
-    {
-        ::LineTo(x1,y1 ) ;
+        ::SetGWorld( gWorld, GetGDevice() );
+        
+        OpenRgn();
+
+        wxCoord x1, x2 , y1 , y2 ;
+        x2 = x1 = points[0].x ;
+        y2 = y1 = points[0].y ;
+        ::MoveTo(x1,y1);
+        for (size_t i = 1; i < n; i++)
+        {
+            x2 = points[i].x ;
+            y2 = points[i].y ;
+            ::LineTo(x2, y2);
+        }
+        // close the polyline if necessary
+        if ( x1 != x2 || y1 != y2 )
+        {
+            ::LineTo(x1,y1 ) ;
+        }
+        CloseRgn( M_REGION ) ;
+        ::SetGWorld( oldWorld, oldGDHandle );
     }
-    ClosePoly();
-    CloseRgn( M_REGION ) ;
 }
 
 /*!
@@ -428,7 +442,7 @@ OSStatus wxMacRegionToRectsSetterCallback (
     if (message == kQDRegionToRectsMsgParse)
     {
         RegionToRectsCallbackData *cb = (RegionToRectsCallbackData*) data ;
-        cb->m_rects[cb->m_current] = wxRect( rect->left , rect->top , rect->right - rect->left , rect->bottom - rect->top ) ;
+        cb->m_rects[cb->m_current++] = wxRect( rect->left , rect->top , rect->right - rect->left , rect->bottom - rect->top ) ;
     }
     return noErr;
 }