#include <gdk/gdk.h>
#include <gtk/gtk.h>
+// Unfortunately the new way of implementing the region iterator
+// doesn't work with GTK+ 2.0 or above (can't access a Region in
+// GdkPrivateRegion)
+#ifdef __WXGTK20__
+#define OLDCODE 1
+#else
+#define OLDCODE 0
+#endif
//-----------------------------------------------------------------------------
// wxRegion
~wxRegionRefData();
GdkRegion *m_region;
+#if OLDCODE
wxList m_rects;
+#endif
};
wxRegionRefData::wxRegionRefData()
{
if (m_region) gdk_region_destroy( m_region );
+#if OLDCODE
wxNode *node = m_rects.First();
while (node)
{
delete r;
node = node->Next();
}
+#endif
}
//-----------------------------------------------------------------------------
rect.y = y;
rect.width = w;
rect.height = h;
+#ifdef __WXGTK20__
+ gdk_region_union_with_rect( reg, &rect );
+ M_REGIONDATA->m_region = reg;
+#else
M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
gdk_region_destroy( reg );
+#endif
+#if OLDCODE
M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,w,h) );
+#endif
}
wxRegion::wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
rect.y = topLeft.y;
rect.width = bottomRight.x - rect.x;
rect.height = bottomRight.y - rect.y;
+#ifdef __WXGTK20__
+ gdk_region_union_with_rect( reg, &rect );
+ M_REGIONDATA->m_region = reg;
+#else
M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
gdk_region_destroy( reg );
+#endif
+#if OLDCODE
M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(topLeft,bottomRight) );
+#endif
}
wxRegion::wxRegion( const wxRect& rect )
g_rect.y = rect.y;
g_rect.width = rect.width;
g_rect.height = rect.height;
+#ifdef __WXGTK20__
+ gdk_region_union_with_rect( reg, &g_rect );
+ M_REGIONDATA->m_region = reg;
+#else
M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
gdk_region_destroy( reg );
+#endif
+#if OLDCODE
M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(rect.x,rect.y,rect.width,rect.height) );
+#endif
}
wxRegion::wxRegion()
{
m_refData = new wxRegionRefData();
GdkRegion *reg = gdk_region_new();
+#ifdef __WXGTK20__
+ gdk_region_union_with_rect( reg, &rect );
+ M_REGIONDATA->m_region = reg;
+#else
M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
gdk_region_destroy( reg );
+#endif
}
else
{
+#ifdef __WXGTK20__
+ gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
+#else
GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
gdk_region_destroy( M_REGIONDATA->m_region );
M_REGIONDATA->m_region = reg;
+#endif
}
+#if OLDCODE
M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,width,height) );
+#endif
return TRUE;
}
M_REGIONDATA->m_region = gdk_region_new();
}
+#ifdef __WXGTK20__
+ gdk_region_union( M_REGIONDATA->m_region, region.GetRegion() );
+#else
GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
gdk_region_destroy( M_REGIONDATA->m_region );
M_REGIONDATA->m_region = reg;
+#endif
+#if OLDCODE
wxNode *node = region.GetRectList()->First();
while (node)
{
M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
node = node->Next();
}
+#endif
return TRUE;
}
return TRUE;
}
+#ifdef __WXGTK20__
+ gdk_region_intersect( M_REGIONDATA->m_region, region.GetRegion() );
+#else
GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
gdk_region_destroy( M_REGIONDATA->m_region );
M_REGIONDATA->m_region = reg;
+#endif
return TRUE;
}
M_REGIONDATA->m_region = gdk_region_new();
}
+#ifdef __WXGTK20__
+ gdk_region_subtract( M_REGIONDATA->m_region, region.GetRegion() );
+#else
GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
gdk_region_destroy( M_REGIONDATA->m_region );
M_REGIONDATA->m_region = reg;
+#endif
return TRUE;
}
M_REGIONDATA->m_region = gdk_region_new();
}
+#ifdef __WXGTK20__
+ gdk_region_xor( M_REGIONDATA->m_region, region.GetRegion() );
+#else
GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
gdk_region_destroy( M_REGIONDATA->m_region );
M_REGIONDATA->m_region = reg;
+#endif
+#if OLDCODE
wxNode *node = region.GetRectList()->First();
while (node)
{
M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
node = node->Next();
}
+#endif
return TRUE;
}
wxList *wxRegion::GetRectList() const
{
+#if OLDCODE
if (!m_refData)
return (wxList*) NULL;
return &(M_REGIONDATA->m_rects);
+#else
+ return (wxList*) NULL;
+#endif
}
//-----------------------------------------------------------------------------
-// wxRegion
+// wxRegionIterator
//-----------------------------------------------------------------------------
+#if OLDCODE
+
IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
wxRegionIterator::wxRegionIterator()
wxRegionIterator::operator bool () const
{
- return m_current < (size_t)m_region.GetRectList()->Number();
+ return m_region.GetRectList() && m_current < (size_t)m_region.GetRectList()->Number();
}
bool wxRegionIterator::HaveRects() const
{
- return m_current < (size_t)m_region.GetRectList()->Number();
+ return m_region.GetRectList() && m_current < (size_t)m_region.GetRectList()->Number();
}
void wxRegionIterator::operator ++ ()
{
- if (m_current < (size_t)m_region.GetRectList()->Number()) ++m_current;
+ if (HaveRects()) ++m_current;
}
void wxRegionIterator::operator ++ (int)
{
- if (m_current < (size_t)m_region.GetRectList()->Number()) ++m_current;
+ if (HaveRects()) ++m_current;
}
wxCoord wxRegionIterator::GetX() const
return r->height;
}
+#else
+
+// the following structures must match the private structures
+// in X11 region code ( xc/lib/X11/region.h )
+
+// this makes the Region type transparent
+// and we have access to the region rectangles
+
+struct _XBox {
+ short x1, x2, y1, y2;
+};
+
+struct _XRegion {
+ long size , numRects;
+ _XBox *rects, extents;
+};
+
+class wxRIRefData: public wxObjectRefData
+{
+public:
+
+ wxRIRefData() : m_rects(0), m_numRects(0){}
+ ~wxRIRefData();
+
+ wxRect *m_rects;
+ size_t m_numRects;
+
+ void CreateRects( const wxRegion& r );
+};
+
+wxRIRefData::~wxRIRefData()
+{
+ delete m_rects;
+}
+
+#include <gdk/gdkprivate.h>
+
+void wxRIRefData::CreateRects( const wxRegion& region )
+{
+ if( m_rects )
+ delete m_rects;
+ m_rects = 0;
+ m_numRects= 0;
+ GdkRegion *gdkregion= region.GetRegion();
+ if( gdkregion ){
+ Region r= ((GdkRegionPrivate *)gdkregion)->xregion;
+ if( r ){
+ m_numRects= r->numRects;
+ if( m_numRects )
+ {
+ m_rects= new wxRect[m_numRects];
+ for( size_t i=0; i<m_numRects; ++i )
+ {
+ _XBox &xr= r->rects[i];
+ wxRect&wr= m_rects[i];
+ wr.x = xr.x1;
+ wr.y = xr.y1;
+ wr.width = xr.x2-xr.x1;
+ wr.height= xr.y2-xr.y1;
+ }
+ }
+ }
+ }
+}
+
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
+
+wxRegionIterator::wxRegionIterator()
+{
+ m_refData = new wxRIRefData();
+ Reset();
+}
+
+wxRegionIterator::wxRegionIterator( const wxRegion& region )
+{
+ m_refData = new wxRIRefData();
+ Reset(region);
+}
+
+void wxRegionIterator::Reset( const wxRegion& region )
+{
+ m_region = region;
+ ((wxRIRefData*)m_refData)->CreateRects(region);
+ Reset();
+}
+
+bool wxRegionIterator::HaveRects() const
+{
+ return m_current < ((wxRIRefData*)m_refData)->m_numRects;
+}
+
+wxRegionIterator::operator bool () const
+{
+ return HaveRects();
+}
+
+void wxRegionIterator::operator ++ ()
+{
+ if (HaveRects()) ++m_current;
+}
+
+void wxRegionIterator::operator ++ (int)
+{
+ if (HaveRects()) ++m_current;
+}
+
+wxCoord wxRegionIterator::GetX() const
+{
+ if( !HaveRects() ) return 0;
+ return ((wxRIRefData*)m_refData)->m_rects[m_current].x;
+}
+
+wxCoord wxRegionIterator::GetY() const
+{
+ if( !HaveRects() ) return 0;
+ return ((wxRIRefData*)m_refData)->m_rects[m_current].y;
+}
+
+wxCoord wxRegionIterator::GetW() const
+{
+ if( !HaveRects() ) return -1;
+ return ((wxRIRefData*)m_refData)->m_rects[m_current].width;
+}
+
+wxCoord wxRegionIterator::GetH() const
+{
+ if( !HaveRects() ) return -1;
+ return ((wxRIRefData*)m_refData)->m_rects[m_current].height;
+}
+
+#endif