wxButtons no longer leave junk on dialogs when moved.

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

diff --git a/src/mac/region.cpp b/src/mac/region.cpp
index 315b966927af0e6d304a99617f9fa65bdb14a3fd..b4dddad04ba564c336cecea6ac8b0784fab9f62d 100644 (file)
--- a/src/mac/region.cpp
+++ b/src/mac/region.cpp
@@ -27,22 +27,23 @@
 
 class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
 public:
-       wxRegionRefData()
-       {
-               m_macRgn = NewRgn() ;
-       }
+    wxRegionRefData()
+    {
+        m_macRgn = NewRgn() ;
+    }
 
-       wxRegionRefData(const wxRegionRefData& data)
-       {
-               m_macRgn = NewRgn() ;
+    wxRegionRefData(const wxRegionRefData& data)
+        : wxGDIRefData()
+    {
+        m_macRgn = NewRgn() ;
         CopyRgn( data.m_macRgn , m_macRgn ) ;
-       }
+    }
 
-       ~wxRegionRefData()
-       {
+    ~wxRegionRefData()
+    {
         DisposeRgn( m_macRgn ) ;
-       }
-       RgnHandle       m_macRgn ;
+    }
+    RgnHandle  m_macRgn ;
 };
 
 #define M_REGION (((wxRegionRefData*)m_refData)->m_macRgn)
@@ -63,25 +64,25 @@ wxRegion::wxRegion()
 wxRegion::wxRegion(WXHRGN hRegion )
 {
     m_refData = new wxRegionRefData;
-    CopyRgn( hRegion , M_REGION ) ;
+    CopyRgn( (RgnHandle) hRegion , (RgnHandle) M_REGION ) ;
 }
 
 wxRegion::wxRegion(long x, long y, long w, long h)
 {
     m_refData = new wxRegionRefData;
-    SetRectRgn( M_REGION , x , y , x+w , y+h ) ;
+    SetRectRgn( (RgnHandle) M_REGION , x , y , x+w , y+h ) ;
 }
 
 wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
 {
     m_refData = new wxRegionRefData;
-    SetRectRgn( M_REGION , topLeft.x , topLeft.y , bottomRight.x , bottomRight.y ) ;
+    SetRectRgn( (RgnHandle) M_REGION , topLeft.x , topLeft.y , bottomRight.x , bottomRight.y ) ;
 }
 
 wxRegion::wxRegion(const wxRect& rect)
 {
     m_refData = new wxRegionRefData;
-    SetRectRgn( M_REGION , rect.x , rect.y , rect.x+rect.width , rect.y+rect.height ) ;
+    SetRectRgn( (RgnHandle) M_REGION , rect.x , rect.y , rect.x+rect.width , rect.y+rect.height ) ;
 }
 
 /*!
@@ -286,22 +287,60 @@ wxRegionContain wxRegion::Contains(const wxRect& rect) const
 }
 
 ///////////////////////////////////////////////////////////////////////////////
-//                                                                                                                                                      //
-//                                                        wxRegionIterator                                                              //
-//                                                                                                                                                      //
+//                                                                           //
+//                               wxRegionIterator                            //
+//                                                                           //
 ///////////////////////////////////////////////////////////////////////////////
 
 /*!
  * Initialize empty iterator
  */
-wxRegionIterator::wxRegionIterator() : m_current(0), m_numRects(0), m_rects(NULL)
+wxRegionIterator::wxRegionIterator()
+    : m_current(0), m_numRects(0), m_rects(NULL)
 {
 }
 
 wxRegionIterator::~wxRegionIterator()
 {
-    if (m_rects)
+    if (m_rects) {
+        delete[] m_rects;
+        m_rects = NULL;
+    }
+}
+
+wxRegionIterator::wxRegionIterator(const wxRegionIterator& iterator)
+    : wxObject()
+    , m_current(iterator.m_current)
+    , m_numRects(0)
+    , m_rects(NULL)
+{
+    SetRects(iterator.m_numRects, iterator.m_rects);
+}
+
+wxRegionIterator& wxRegionIterator::operator=(const wxRegionIterator& iterator)
+{
+    m_current  = iterator.m_current;
+    SetRects(iterator.m_numRects, iterator.m_rects);
+    return *this;
+}
+
+/*!
+ * Set iterator rects for region
+ */
+void wxRegionIterator::SetRects(long numRects, wxRect *rects)
+{
+    if (m_rects) {
         delete[] m_rects;
+        m_rects = NULL;
+    }
+    if (rects)
+    {
+        int i;
+        m_rects = new wxRect[numRects];
+        for (i = 0; i < numRects; i++)
+            m_rects[i] = rects[i];
+    }
+    m_numRects = numRects;
 }
 
 /*!
@@ -311,7 +350,7 @@ wxRegionIterator::wxRegionIterator(const wxRegion& region)
 {
     m_rects = NULL;
 
-       Reset(region);
+    Reset(region);
 }
 
 /*!
@@ -319,22 +358,22 @@ wxRegionIterator::wxRegionIterator(const wxRegion& region)
  */
 void wxRegionIterator::Reset(const wxRegion& region)
 {
-       m_current = 0;
-       m_region = region;
+    m_current = 0;
+    m_region = region;
 
-    if (m_rects)
+    if (m_rects) {
         delete[] m_rects;
+        m_rects = NULL;
+    }
 
-    m_rects = NULL;
-
-       if (m_region.Empty())
-               m_numRects = 0;
-       else
+    if (m_region.Empty())
+        m_numRects = 0;
+    else
     {
        // we cannot dissolve it into rects on mac
         m_rects = new wxRect[1];
-               Rect rect ;
-               GetRegionBounds( OTHER_M_REGION( region ) , &rect ) ;
+        Rect rect ;
+        GetRegionBounds( OTHER_M_REGION( region ) , &rect ) ;
         m_rects[0].x = rect.left;
         m_rects[0].y = rect.top;
         m_rects[0].width = rect.right - rect.left;
@@ -347,20 +386,25 @@ void wxRegionIterator::Reset(const wxRegion& region)
  * Increment iterator. The rectangle returned is the one after the
  * incrementation.
  */
-void wxRegionIterator::operator ++ ()
+wxRegionIterator& wxRegionIterator::operator ++ ()
 {
-       if (m_current < m_numRects)
-               ++m_current;
+    if (m_current < m_numRects)
+        ++m_current;
+    return *this;
 }
 
 /*!
  * Increment iterator. The rectangle returned is the one before the
  * incrementation.
  */
-void wxRegionIterator::operator ++ (int)
+wxRegionIterator wxRegionIterator::operator ++ (int)
 {
-       if (m_current < m_numRects)
-               ++m_current;
+    wxRegionIterator previous(*this);
+
+    if (m_current < m_numRects)
+        ++m_current;
+
+    return previous;
 }
 
 long wxRegionIterator::GetX() const