X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c67daf87774c71ae9f73af9969008af220e52a11..837904f2627957e99283378ccd41c2e3fc7a4a5e:/src/gtk/region.cpp

diff --git a/src/gtk/region.cpp b/src/gtk/region.cpp
index 44019db140..305967bc7d 100644
--- a/src/gtk/region.cpp
+++ b/src/gtk/region.cpp
@@ -2,19 +2,27 @@
 // Name:        region.cpp
 // Purpose:
 // Author:      Robert Roebling
-// Created:     01/02/98
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling
 // Licence:   	wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-
 #ifdef __GNUG__
 #pragma implementation "region.h"
 #endif
 
 #include "wx/region.h"
 
+#include "gdk/gdk.h"
+#include "gtk/gtk.h"
+
+#ifdef __WXDEBUG__
+#ifdef NULL
+#undef NULL
+#endif
+#define NULL ((void*)0L)
+#endif
+
 //-----------------------------------------------------------------------------
 // wxRegion
 //-----------------------------------------------------------------------------
@@ -29,16 +37,25 @@ class wxRegionRefData: public wxObjectRefData
   public:    
 
     GdkRegion  *m_region;
+    wxList      m_rects;
 };
 
 wxRegionRefData::wxRegionRefData(void)
 {
-  m_region = (GdkRegion *) NULL;
+    m_region = (GdkRegion *) NULL;
 }
 
 wxRegionRefData::~wxRegionRefData(void)
 {
-  if (m_region) gdk_region_destroy( m_region );
+    if (m_region) gdk_region_destroy( m_region );
+  
+    wxNode *node = m_rects.First();
+    while (node)
+    {
+        wxRect *r = (wxRect*)node->Data();
+        delete r;
+        node = node->Next();
+    }
 }
 
 //-----------------------------------------------------------------------------
@@ -49,205 +66,375 @@ IMPLEMENT_DYNAMIC_CLASS(wxRegion,wxGDIObject);
   
 wxRegion::wxRegion( long x, long y, long w, long h )
 {
-  m_refData = new wxRegionRefData();
-  GdkRegion *reg = gdk_region_new();
-  GdkRectangle rect;
-  rect.x = x;
-  rect.y = y;
-  rect.width = w;
-  rect.height = h;
-  M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
-  gdk_region_destroy( reg );
+    m_refData = new wxRegionRefData();
+    GdkRegion *reg = gdk_region_new();
+    GdkRectangle rect;
+    rect.x = x;
+    rect.y = y;
+    rect.width = w;
+    rect.height = h;
+    M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
+    gdk_region_destroy( reg );
+    M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,w,h) );
 }
 
 wxRegion::wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
 {
-  m_refData = new wxRegionRefData();
-  GdkRegion *reg = gdk_region_new();
-  GdkRectangle rect;
-  rect.x = topLeft.x;
-  rect.y = topLeft.y;
-  rect.width = bottomRight.x - rect.x;
-  rect.height = bottomRight.y - rect.y;
-  M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
-  gdk_region_destroy( reg );
+    m_refData = new wxRegionRefData();
+    GdkRegion *reg = gdk_region_new();
+    GdkRectangle rect;
+    rect.x = topLeft.x;
+    rect.y = topLeft.y;
+    rect.width = bottomRight.x - rect.x;
+    rect.height = bottomRight.y - rect.y;
+    M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
+    gdk_region_destroy( reg );
+    M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(topLeft,bottomRight) );
 }
 
 wxRegion::wxRegion( const wxRect& rect )
 {
-  m_refData = new wxRegionRefData();
-  GdkRegion *reg = gdk_region_new();
-  GdkRectangle g_rect;
-  g_rect.x = rect.x;
-  g_rect.y = rect.y;
-  g_rect.width = rect.width;
-  g_rect.height = rect.height;
-  M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
-  gdk_region_destroy( reg );
+    m_refData = new wxRegionRefData();
+    GdkRegion *reg = gdk_region_new();
+    GdkRectangle g_rect;
+    g_rect.x = rect.x;
+    g_rect.y = rect.y;
+    g_rect.width = rect.width;
+    g_rect.height = rect.height;
+    M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
+    gdk_region_destroy( reg );
+  
+    wxNode *node = M_REGIONDATA->m_rects.First();
+    while (node)
+    {
+        wxRect *r = (wxRect*)node->Data();
+        M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
+        node = node->Next();
+    }
 }
 
 wxRegion::wxRegion(void)
 {
-  m_refData = new wxRegionRefData();
-  M_REGIONDATA->m_region = gdk_region_new();
+    m_refData = new wxRegionRefData();
+    M_REGIONDATA->m_region = gdk_region_new();
 }
 
 wxRegion::~wxRegion(void)
 {
 }
 
+bool wxRegion::operator == ( const wxRegion& region )
+{
+    return m_refData == region.m_refData; 
+}
+
+bool wxRegion::operator != ( const wxRegion& region )
+{
+    return m_refData != region.m_refData; 
+}
+
 void wxRegion::Clear(void)
 {
-  UnRef();
-  m_refData = new wxRegionRefData();
-  M_REGIONDATA->m_region = gdk_region_new();
+    UnRef();
+    m_refData = new wxRegionRefData();
+    M_REGIONDATA->m_region = gdk_region_new();
 }
 
 bool wxRegion::Union( long x, long y, long width, long height )
 {
-  GdkRectangle rect;
-  rect.x = x;
-  rect.y = y;
-  rect.width = width;
-  rect.height = height;
-  GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
-  gdk_region_destroy( M_REGIONDATA->m_region );
-  M_REGIONDATA->m_region = reg;
-  return TRUE;
+    GdkRectangle rect;
+    rect.x = x;
+    rect.y = y;
+    rect.width = width;
+    rect.height = height;
+    GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
+    gdk_region_destroy( M_REGIONDATA->m_region );
+    M_REGIONDATA->m_region = reg;
+    M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,width,height) );
+    return TRUE;
 }
 
 bool wxRegion::Union( const wxRect& rect )
 {
-  GdkRectangle g_rect;
-  g_rect.x = rect.x;
-  g_rect.y = rect.y;
-  g_rect.width = rect.width;
-  g_rect.height = rect.height;
-  GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &g_rect );
-  gdk_region_destroy( M_REGIONDATA->m_region );
-  M_REGIONDATA->m_region = reg;
-  return TRUE;
+    GdkRectangle g_rect;
+    g_rect.x = rect.x;
+    g_rect.y = rect.y;
+    g_rect.width = rect.width;
+    g_rect.height = rect.height;
+    GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &g_rect );
+    gdk_region_destroy( M_REGIONDATA->m_region );
+    M_REGIONDATA->m_region = reg;
+    M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(rect.x,rect.y,rect.width,rect.height) );
+    return TRUE;
 }
 
 bool wxRegion::Union( const wxRegion& region )
 {
-  GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
-  gdk_region_destroy( M_REGIONDATA->m_region );
-  M_REGIONDATA->m_region = reg;
-  return TRUE;
+    GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
+    gdk_region_destroy( M_REGIONDATA->m_region );
+    M_REGIONDATA->m_region = reg;
+  
+    wxNode *node = region.GetRectList()->First();
+    while (node)
+    {
+        wxRect *r = (wxRect*)node->Data();
+        M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
+        node = node->Next();
+    }
+  
+    return TRUE;
 }
 
 bool wxRegion::Intersect( long x, long y, long width, long height )
 {
-  wxRegion reg( x, y, width, height );
-  Intersect( reg );
-  return TRUE;
+    wxRegion reg( x, y, width, height );
+    Intersect( reg );
+    return TRUE;
 }
 
 bool wxRegion::Intersect( const wxRect& rect )
 {
-  wxRegion reg( rect );
-  Intersect( reg );
-  return TRUE;
+    wxRegion reg( rect );
+    Intersect( reg );
+    return TRUE;
 }
 
 bool wxRegion::Intersect( const wxRegion& region )
 {
-  GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
-  gdk_region_destroy( M_REGIONDATA->m_region );
-  M_REGIONDATA->m_region = reg;
-  return TRUE;
+    GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
+    gdk_region_destroy( M_REGIONDATA->m_region );
+    M_REGIONDATA->m_region = reg;
+    return TRUE;
 }
 
 bool wxRegion::Subtract( long x, long y, long width, long height )
 {
-  wxRegion reg( x, y, width, height );
-  Subtract( reg );
-  return TRUE;
+    wxRegion reg( x, y, width, height );
+    Subtract( reg );
+    return TRUE;
 }
 
 bool wxRegion::Subtract( const wxRect& rect )
 {
-  wxRegion reg( rect );
-  Subtract( reg );
-  return TRUE;
+    wxRegion reg( rect );
+    Subtract( reg );
+    return TRUE;
 }
 
 bool wxRegion::Subtract( const wxRegion& region )
 {
-  GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
-  gdk_region_destroy( M_REGIONDATA->m_region );
-  M_REGIONDATA->m_region = reg;
-  return TRUE;
+    GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
+    gdk_region_destroy( M_REGIONDATA->m_region );
+    M_REGIONDATA->m_region = reg;
+    return TRUE;
 }
 
 bool wxRegion::Xor( long x, long y, long width, long height )
 {
-  wxRegion reg( x, y, width, height );
-  Xor( reg );
-  return TRUE;
+    wxRegion reg( x, y, width, height );
+    Xor( reg );
+    return TRUE;
 }
 
 bool wxRegion::Xor( const wxRect& rect )
 {
-  wxRegion reg( rect );
-  Xor( reg );
-  return TRUE;
+    wxRegion reg( rect );
+    Xor( reg );
+    return TRUE;
 }
 
 bool wxRegion::Xor( const wxRegion& region )
 {
-  GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
-  gdk_region_destroy( M_REGIONDATA->m_region );
-  M_REGIONDATA->m_region = reg;
-  return TRUE;
+    GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
+    gdk_region_destroy( M_REGIONDATA->m_region );
+    M_REGIONDATA->m_region = reg;
+  
+    wxNode *node = region.GetRectList()->First();
+    while (node)
+    {
+        wxRect *r = (wxRect*)node->Data();
+        M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
+        node = node->Next();
+    }
+  
+    return TRUE;
 }
 
 void wxRegion::GetBox( long& x, long& y, long&w, long &h ) const
 {
-  x = 0;
-  y = 0;
-  w = -1;
-  h = -1;
+    x = 0;
+    y = 0;
+    w = -1;
+    h = -1;
+    wxNode *node = GetRectList()->First();
+    while (node)
+    {
+        wxRect *r = (wxRect*)node->Data();
+        if (node == GetRectList()->First())
+        {
+            x = r->x;
+            y = r->y;
+            w = r->width;
+            h = r->height;
+        }
+        else
+        {
+            if (r->x < x)
+            {
+                x = r->x;
+                w += x - r->x;
+            }
+            if (r->y < y) 
+            {
+                y = r->y;
+                h += y - r->y;
+            }
+            if (r->width+r->x > x+w) 
+            {
+                w = r->x + r->width - x;
+            }
+            if (r->height+r->y > y+h) 
+            {
+                h = r->y + r->height - y;
+            }
+        }
+        node = node->Next();
+    }
 }
 
 wxRect wxRegion::GetBox(void) const
 {
-  return wxRect( 0, 0, -1, -1 );
+    long x = 0;
+    long y = 0;
+    long w = -1;
+    long h = -1;
+    GetBox( x, y, w, h );
+    return wxRect( x, y, w, h );
 }
 
 bool wxRegion::Empty(void) const
 {
-  return gdk_region_empty( M_REGIONDATA->m_region );
+    return gdk_region_empty( M_REGIONDATA->m_region );
 }
 
 wxRegionContain wxRegion::Contains( long x, long y ) const
 {
-  if (gdk_region_point_in( M_REGIONDATA->m_region, x, y ))
-    return wxInRegion;
-  else
-    return wxOutRegion;
+    if (gdk_region_point_in( M_REGIONDATA->m_region, x, y ))
+        return wxInRegion;
+    else
+        return wxOutRegion;
 }
 
 wxRegionContain wxRegion::Contains( long x, long y, long w, long h ) const
 {
-  GdkRectangle rect;
-  rect.x = x;
-  rect.y = y;
-  rect.width = w;
-  rect.height = h;
-  GdkOverlapType res = gdk_region_rect_in( M_REGIONDATA->m_region, &rect );
-  switch (res)
-  {
-   case GDK_OVERLAP_RECTANGLE_IN:   return wxInRegion;
-   case GDK_OVERLAP_RECTANGLE_OUT:  return wxOutRegion;
-   case GDK_OVERLAP_RECTANGLE_PART: return wxPartRegion;
-  }
-  return wxOutRegion;
+    GdkRectangle rect;
+    rect.x = x;
+    rect.y = y;
+    rect.width = w;
+    rect.height = h;
+    GdkOverlapType res = gdk_region_rect_in( M_REGIONDATA->m_region, &rect );
+    switch (res)
+    {
+        case GDK_OVERLAP_RECTANGLE_IN:   return wxInRegion;
+        case GDK_OVERLAP_RECTANGLE_OUT:  return wxOutRegion;
+        case GDK_OVERLAP_RECTANGLE_PART: return wxPartRegion;
+    }
+    return wxOutRegion;
+}
+
+wxRegionContain wxRegion::Contains(const wxPoint& pt) const
+{
+    return Contains( pt.x, pt.y );
+}
+
+wxRegionContain wxRegion::Contains(const wxRect& rect) const
+{
+    return Contains( rect.x, rect.y, rect.width, rect.height );
 }
 
 GdkRegion *wxRegion::GetRegion(void) const
 {
-  return M_REGIONDATA->m_region;
+    return M_REGIONDATA->m_region;
 }
 
+wxList *wxRegion::GetRectList() const
+{
+    return &(M_REGIONDATA->m_rects);
+}
+
+//-----------------------------------------------------------------------------
+// wxRegion
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
+  
+wxRegionIterator::wxRegionIterator(void)
+{
+    m_current = 0;
+}
+
+wxRegionIterator::wxRegionIterator( const wxRegion& region )
+{
+    m_region = region;
+    m_current = 0;
+}
+
+void wxRegionIterator::Reset( const wxRegion& region )
+{
+    m_region = region;
+    m_current = 0;
+}
+
+wxRegionIterator::operator bool (void) const 
+{ 
+    return m_current < m_region.GetRectList()->Number(); 
+}
+
+bool wxRegionIterator::HaveRects(void) const 
+{ 
+    return m_current < m_region.GetRectList()->Number(); 
+}
+
+void wxRegionIterator::operator ++ (void)
+{
+    if (m_current < m_region.GetRectList()->Number()) ++m_current;
+}
+
+void wxRegionIterator::operator ++ (int)
+{
+    if (m_current < m_region.GetRectList()->Number()) ++m_current;
+}
+
+long wxRegionIterator::GetX(void) const
+{
+    wxNode *node = m_region.GetRectList()->Nth( m_current );
+    if (!node) return 0;
+    wxRect *r = (wxRect*)node->Data();
+    return r->x;
+}
+
+long wxRegionIterator::GetY(void) const
+{
+    wxNode *node = m_region.GetRectList()->Nth( m_current );
+    if (!node) return 0;
+    wxRect *r = (wxRect*)node->Data();
+    return r->y;
+}
+
+long wxRegionIterator::GetW(void) const
+{
+    wxNode *node = m_region.GetRectList()->Nth( m_current );
+    if (!node) return 0;
+    wxRect *r = (wxRect*)node->Data();
+    return r->width;
+}
+
+long wxRegionIterator::GetH(void) const
+{
+    wxNode *node = m_region.GetRectList()->Nth( m_current );
+    if (!node) return 0;
+    wxRect *r = (wxRect*)node->Data();
+    return r->height;
+}
+
+