X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/02761f6cd478e3c2c97cf6f93442747f7b029833..ac0c512d865e6236fc81882cb84cc38d09f8f0ec:/src/gtk/dcclient.cpp

diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp
index ff8c5aeb75..2edcb8c804 100644
--- a/src/gtk/dcclient.cpp
+++ b/src/gtk/dcclient.cpp
@@ -26,6 +26,7 @@
 #endif
 
 #include "wx/fontutil.h"
+#include "wx/scrolwin.h"
 
 #include "wx/gtk/win_gtk.h"
 #include "wx/gtk/private.h"
@@ -36,6 +37,11 @@
 // local defines
 //-----------------------------------------------------------------------------
 
+#define XLOG2DEV(x)    LogicalToDeviceX(x)
+#define XLOG2DEVREL(x) LogicalToDeviceXRel(x)
+#define YLOG2DEV(y)    LogicalToDeviceY(y)
+#define YLOG2DEVREL(y) LogicalToDeviceYRel(y)
+
 #define USE_PAINT_REGION 1
 
 //-----------------------------------------------------------------------------
@@ -251,24 +257,37 @@ static void wxFreePoolGC( GdkGC *gc )
 // wxWindowDC
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
+#if wxUSE_NEW_DC
+IMPLEMENT_ABSTRACT_CLASS(wxGTKWindowImplDC, wxGTKImplDC)
+#else
+IMPLEMENT_ABSTRACT_CLASS(wxWindowDC, wxDC)
+#endif
 
+#if wxUSE_NEW_DC
+wxGTKWindowImplDC::wxGTKWindowImplDC( wxDC *owner ) :
+   wxGTKImplDC( owner )
+#else
 wxWindowDC::wxWindowDC()
+#endif
 {
     m_penGC = (GdkGC *) NULL;
     m_brushGC = (GdkGC *) NULL;
     m_textGC = (GdkGC *) NULL;
     m_bgGC = (GdkGC *) NULL;
     m_cmap = (GdkColormap *) NULL;
-    m_isMemDC = false;
     m_isScreenDC = false;
-    m_owner = (wxWindow *)NULL;
+    m_owningWindow = (wxWindow *)NULL;
     m_context = (PangoContext *)NULL;
     m_layout = (PangoLayout *)NULL;
     m_fontdesc = (PangoFontDescription *)NULL;
 }
 
+#if wxUSE_NEW_DC
+wxGTKWindowImplDC::wxGTKWindowImplDC( wxDC *owner, wxWindow *window ) :
+   wxGTKImplDC( owner )
+#else
 wxWindowDC::wxWindowDC( wxWindow *window )
+#endif
 {
     wxASSERT_MSG( window, wxT("DC needs a window") );
 
@@ -277,8 +296,7 @@ wxWindowDC::wxWindowDC( wxWindow *window )
     m_textGC = (GdkGC *) NULL;
     m_bgGC = (GdkGC *) NULL;
     m_cmap = (GdkColormap *) NULL;
-    m_owner = (wxWindow *)NULL;
-    m_isMemDC = false;
+    m_owningWindow = (wxWindow *)NULL;
     m_isScreenDC = false;
     m_font = window->GetFont();
 
@@ -322,10 +340,20 @@ wxWindowDC::wxWindowDC( wxWindow *window )
        is white whereas a window might assume gray to be the
        standard (as e.g. wxStatusBar) */
 
-    m_owner = window;
+    m_owningWindow = window;
+
+    if (m_owningWindow && m_owningWindow->m_wxwindow && 
+        (m_owningWindow->GetLayoutDirection() == wxLayout_RightToLeft))
+    {
+        // reverse sense
+        m_signX = -1;
+
+        // origin in the upper right corner
+        m_deviceOriginX = m_owningWindow->GetClientSize().x;
+    }
 }
 
-wxWindowDC::~wxWindowDC()
+wxGTKWindowImplDC::~wxGTKWindowImplDC()
 {
     Destroy();
 
@@ -335,33 +363,43 @@ wxWindowDC::~wxWindowDC()
         pango_font_description_free( m_fontdesc );
 }
 
-void wxWindowDC::SetUpDC()
+void wxGTKWindowImplDC::SetUpDC( bool isMemDC )
 {
     m_ok = true;
 
     wxASSERT_MSG( !m_penGC, wxT("GCs already created") );
 
-    if (m_isScreenDC)
-    {
-        m_penGC = wxGetPoolGC( m_window, wxPEN_SCREEN );
-        m_brushGC = wxGetPoolGC( m_window, wxBRUSH_SCREEN );
-        m_textGC = wxGetPoolGC( m_window, wxTEXT_SCREEN );
-        m_bgGC = wxGetPoolGC( m_window, wxBG_SCREEN );
-    }
-    else
-    if (m_isMemDC && (((wxMemoryDC*)this)->m_selected.GetDepth() == 1))
+    bool done = false;
+
+    if (isMemDC)
     {
-        m_penGC = wxGetPoolGC( m_window, wxPEN_MONO );
-        m_brushGC = wxGetPoolGC( m_window, wxBRUSH_MONO );
-        m_textGC = wxGetPoolGC( m_window, wxTEXT_MONO );
-        m_bgGC = wxGetPoolGC( m_window, wxBG_MONO );
+        wxGTKMemoryImplDC *mem_dc = (wxGTKMemoryImplDC*) this;
+        if (mem_dc->GetSelectedBitmap().GetDepth() == 1)
+        {
+            m_penGC = wxGetPoolGC( m_window, wxPEN_MONO );
+            m_brushGC = wxGetPoolGC( m_window, wxBRUSH_MONO );
+            m_textGC = wxGetPoolGC( m_window, wxTEXT_MONO );
+            m_bgGC = wxGetPoolGC( m_window, wxBG_MONO );
+            done = true;
+        }
     }
-    else
-    {
-        m_penGC = wxGetPoolGC( m_window, wxPEN_COLOUR );
-        m_brushGC = wxGetPoolGC( m_window, wxBRUSH_COLOUR );
-        m_textGC = wxGetPoolGC( m_window, wxTEXT_COLOUR );
-        m_bgGC = wxGetPoolGC( m_window, wxBG_COLOUR );
+
+    if (!done)
+    {    
+        if (m_isScreenDC)
+        {
+            m_penGC = wxGetPoolGC( m_window, wxPEN_SCREEN );
+            m_brushGC = wxGetPoolGC( m_window, wxBRUSH_SCREEN );
+            m_textGC = wxGetPoolGC( m_window, wxTEXT_SCREEN );
+            m_bgGC = wxGetPoolGC( m_window, wxBG_SCREEN );
+        }
+        else
+        {
+            m_penGC = wxGetPoolGC( m_window, wxPEN_COLOUR );
+            m_brushGC = wxGetPoolGC( m_window, wxBRUSH_COLOUR );
+            m_textGC = wxGetPoolGC( m_window, wxTEXT_COLOUR );
+            m_bgGC = wxGetPoolGC( m_window, wxBG_COLOUR );
+        }
     }
 
     /* background colour */
@@ -382,6 +420,8 @@ void wxWindowDC::SetUpDC()
 
     gdk_gc_set_fill( m_textGC, GDK_SOLID );
 
+    gdk_gc_set_colormap( m_textGC, m_cmap );
+
     /* m_penGC */
     m_pen.GetColour().CalcPixel( m_cmap );
     gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
@@ -425,24 +465,29 @@ void wxWindowDC::SetUpDC()
     }
 }
 
-void wxWindowDC::DoGetSize( int* width, int* height ) const
+void wxGTKWindowImplDC::DoGetSize( int* width, int* height ) const
 {
-    wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
+    wxCHECK_RET( m_owningWindow, _T("GetSize() doesn't work without window") );
 
-    m_owner->GetSize(width, height);
+    m_owningWindow->GetSize(width, height);
 }
 
-extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
-                          const wxColour & col, int style);
-
-bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
+bool wxGTKWindowImplDC::DoFloodFill(wxCoord x, wxCoord y,
                              const wxColour& col, int style)
 {
-    return wxDoFloodFill(this, x, y, col, style);
+#if wxUSE_IMAGE
+    extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
+                              const wxColour & col, int style);
+
+    return wxDoFloodFill( GetOwner(), x, y, col, style);
+#else
+    return false;
+#endif
 }
 
-bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
+bool wxGTKWindowImplDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
 {
+#if wxUSE_IMAGE
     // Generic (and therefore rather inefficient) method.
     // Could be improved.
     wxMemoryDC memdc;
@@ -454,11 +499,14 @@ bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
     wxImage image = bitmap.ConvertToImage();
     col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0));
     return true;
+#else // !wxUSE_IMAGE
+    return false;
+#endif // wxUSE_IMAGE/!wxUSE_IMAGE
 }
 
-void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
+void wxGTKWindowImplDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (m_pen.GetStyle() != wxTRANSPARENT)
     {
@@ -470,15 +518,15 @@ void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
     }
 }
 
-void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y )
+void wxGTKWindowImplDC::DoCrossHair( wxCoord x, wxCoord y )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (m_pen.GetStyle() != wxTRANSPARENT)
     {
         int w = 0;
         int h = 0;
-        GetSize( &w, &h );
+        GetOwner()->GetSize( &w, &h );
         wxCoord xx = XLOG2DEV(x);
         wxCoord yy = YLOG2DEV(y);
         if (m_window)
@@ -489,10 +537,10 @@ void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y )
     }
 }
 
-void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
+void wxGTKWindowImplDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
                             wxCoord xc, wxCoord yc )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     wxCoord xx1 = XLOG2DEV(x1);
     wxCoord yy1 = YLOG2DEV(y1);
@@ -572,8 +620,11 @@ void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
         {
             gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
 
-            gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc );
-            gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 );
+            if ((m_brush.GetStyle() != wxTRANSPARENT) && (alpha2 - alpha1 != 360*64))
+            {
+                gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc );
+                gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 );
+            }
         }
     }
 
@@ -581,9 +632,9 @@ void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
     CalcBoundingBox (x2, y2);
 }
 
-void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea )
+void wxGTKWindowImplDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     wxCoord xx = XLOG2DEV(x);
     wxCoord yy = YLOG2DEV(y);
@@ -643,9 +694,9 @@ void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord
     CalcBoundingBox (x + width, y + height);
 }
 
-void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y )
+void wxGTKWindowImplDC::DoDrawPoint( wxCoord x, wxCoord y )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)
         gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
@@ -653,9 +704,9 @@ void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y )
     CalcBoundingBox (x, y);
 }
 
-void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )
+void wxGTKWindowImplDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (m_pen.GetStyle() == wxTRANSPARENT) return;
     if (n <= 0) return;
@@ -687,9 +738,9 @@ void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord
         delete[] gpts;
 }
 
-void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) )
+void wxGTKWindowImplDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (n <= 0) return;
 
@@ -773,9 +824,9 @@ void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoor
         delete[] gdkpoints;
 }
 
-void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+void wxGTKWindowImplDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     wxCoord xx = XLOG2DEV(x);
     wxCoord yy = YLOG2DEV(y);
@@ -828,16 +879,45 @@ void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord h
         }
 
         if (m_pen.GetStyle() != wxTRANSPARENT)
-            gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+        {
+#if 1
+            if ((m_pen.GetWidth() == 2) && (m_pen.GetCap() == wxCAP_ROUND) &&
+                (m_pen.GetJoin() == wxJOIN_ROUND) && (m_pen.GetStyle() == wxSOLID))
+            {
+                // Use 2 1-line rects instead
+                gdk_gc_set_line_attributes( m_penGC, 1, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
+
+                if (m_signX == -1)
+                {
+                    // Different for RTL
+                    gdk_draw_rectangle( m_window, m_penGC, FALSE, xx+1, yy, ww-2, hh-2 );
+                    gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy-1, ww, hh );
+                }
+                else
+                {
+                    gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-2, hh-2 );
+                    gdk_draw_rectangle( m_window, m_penGC, FALSE, xx-1, yy-1, ww, hh );
+                }
+
+                // reset
+                gdk_gc_set_line_attributes( m_penGC, 2, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
+            }
+            else
+#endif
+            {
+                // Just use X11 for other cases
+                gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
+            }
+        }
     }
 
     CalcBoundingBox( x, y );
     CalcBoundingBox( x + width, y + height );
 }
 
-void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
+void wxGTKWindowImplDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
 
@@ -855,7 +935,7 @@ void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wx
     // X drawing errors with small radii
     if (rr == 0)
     {
-        DrawRectangle( x, y, width, height );
+        DoDrawRectangle( x, y, width, height );
         return;
     }
 
@@ -958,9 +1038,9 @@ void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wx
     CalcBoundingBox( x + width, y + height );
 }
 
-void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+void wxGTKWindowImplDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     wxCoord xx = XLOG2DEV(x);
     wxCoord yy = YLOG2DEV(y);
@@ -1017,19 +1097,19 @@ void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord hei
     CalcBoundingBox( x + width, y + height );
 }
 
-void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
+void wxGTKWindowImplDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 {
     // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
     DoDrawBitmap( (const wxBitmap&)icon, x, y, true );
 }
 
-void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
+void wxGTKWindowImplDC::DoDrawBitmap( const wxBitmap &bitmap,
                                wxCoord x, wxCoord y,
                                bool useMask )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
-    wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") );
+    wxCHECK_RET( bitmap.IsOk(), wxT("invalid bitmap") );
 
     bool is_mono = bitmap.GetDepth() == 1;
 
@@ -1040,6 +1120,9 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
     int w = bitmap.GetWidth();
     int h = bitmap.GetHeight();
 
+    if (m_owningWindow && m_owningWindow->GetLayoutDirection() == wxLayout_RightToLeft)
+        xx -= w;
+
     CalcBoundingBox( x, y );
     CalcBoundingBox( x + w, y + h );
 
@@ -1062,13 +1145,12 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
     if ((w != ww) || (h != hh))
         use_bitmap = use_bitmap.Rescale( 0, 0, ww, hh, ww, hh );
 
-#if !GTK_CHECK_VERSION(2,2,0)
     // NB: We can't render pixbufs with GTK+ < 2.2, we need to use pixmaps code.
     //     Pixbufs-based bitmaps with alpha channel don't have a mask, so we
     //     have to call GetPixmap() here -- it converts the pixbuf into pixmap
     //     and also creates the mask as a side-effect:
-    use_bitmap.GetPixmap();
-#endif
+    if (gtk_check_version(2,2,0))
+        use_bitmap.GetPixmap();
 
     // apply mask if any
     GdkBitmap *mask = (GdkBitmap *) NULL;
@@ -1152,7 +1234,7 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
     }
 }
 
-bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
+bool wxGTKWindowImplDC::DoBlit( wxCoord xdest, wxCoord ydest,
                          wxCoord width, wxCoord height,
                          wxDC *source,
                          wxCoord xsrc, wxCoord ysrc,
@@ -1160,7 +1242,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
                          bool useMask,
                          wxCoord xsrcMask, wxCoord ysrcMask )
 {
-    wxCHECK_MSG( Ok(), false, wxT("invalid window dc") );
+    wxCHECK_MSG( IsOk(), false, wxT("invalid window dc") );
 
     wxCHECK_MSG( source, false, wxT("invalid source dc") );
 
@@ -1170,8 +1252,14 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
     xsrc = source->LogicalToDeviceX(xsrc);
     ysrc = source->LogicalToDeviceY(ysrc);
 
-    wxClientDC *srcDC = (wxClientDC*)source;
-    wxMemoryDC *memDC = (wxMemoryDC*)source;
+    wxBitmap selected;
+    wxMemoryDC *memDC = wxDynamicCast(source, wxMemoryDC);
+    if ( memDC )
+    {
+        selected = memDC->GetSelectedBitmap();
+        if ( !selected.IsOk() )
+            return false;
+    }
 
     bool use_bitmap_method = false;
     bool is_mono = false;
@@ -1182,11 +1270,9 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
         ysrcMask = ysrc;
     }
 
-    if (srcDC->m_isMemDC)
+    if (selected.IsOk())
     {
-        if (!memDC->m_selected.Ok()) return false;
-
-        is_mono = (memDC->m_selected.GetDepth() == 1);
+        is_mono = (selected.GetDepth() == 1);
 
         // we use the "XCopyArea" way to copy a memory dc into
         // a different window if the memory dc BOTH
@@ -1194,7 +1280,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
         // b) it is clipped
         // c) is not 1-bit
 
-        if (useMask && (memDC->m_selected.GetMask()))
+        if (useMask && (selected.GetMask()))
         {
             // we HAVE TO use the direct way for memory dcs
             // that have mask since the XCopyArea doesn't know
@@ -1209,8 +1295,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
             use_bitmap_method = true;
         }
         else if ((xsrc == 0) && (ysrc == 0) &&
-                 (width == memDC->m_selected.GetWidth()) &&
-                 (height == memDC->m_selected.GetHeight()))
+                 (width == selected.GetWidth()) &&
+                 (height == selected.GetHeight()))
         {
             // we SHOULD use the direct way if all of the bitmap
             // in the memory dc is copied in which case XCopyArea
@@ -1245,8 +1331,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
     if (use_bitmap_method)
     {
         // scale/translate bitmap size
-        wxCoord bm_width = memDC->m_selected.GetWidth();
-        wxCoord bm_height = memDC->m_selected.GetHeight();
+        wxCoord bm_width = selected.GetWidth();
+        wxCoord bm_height = selected.GetHeight();
 
         // Get clip coords for the bitmap. If we don't
         // use wxBitmap::Rescale(), which can clip the
@@ -1267,18 +1353,19 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
         wxCoord bm_hh = YLOG2DEVREL( bm_height );
 
         // Scale bitmap if required
-        wxBitmap use_bitmap = memDC->m_selected;
-        if ((memDC->m_selected.GetWidth()!= bm_ww) || ( memDC->m_selected.GetHeight()!= bm_hh))
+        wxBitmap use_bitmap = selected;
+        if ((selected.GetWidth()!= bm_ww) || ( selected.GetHeight()!= bm_hh))
         {
             // This indicates that the blitting code below will get
             // a clipped bitmap and therefore needs to move the origin
             // accordingly
             wxRegion tmp( xx,yy,ww,hh );
-            tmp.Intersect( m_currentClippingRegion );
+            if (!m_currentClippingRegion.IsNull())
+                tmp.Intersect( m_currentClippingRegion );
             tmp.GetBox(cx,cy,cw,ch);
 
             // Scale and clipped bitmap
-            use_bitmap = memDC->m_selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh);
+            use_bitmap = selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh);
         }
 
         // apply mask if any
@@ -1358,7 +1445,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
     }
     else // use_bitmap_method
     {
-        if ((width != ww) || (height != hh))
+        if (selected.IsOk() && ((width != ww) || (height != hh)))
         {
             // get clip coords
             wxRegion tmp( xx,yy,ww,hh );
@@ -1367,7 +1454,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
             tmp.GetBox(cx,cy,cw,ch);
 
             // rescale bitmap
-            wxBitmap bitmap = memDC->m_selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
+            wxBitmap bitmap = selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
 
             // draw scaled bitmap
             // was: gdk_draw_drawable( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
@@ -1376,11 +1463,22 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
         else
         {
             // No scaling and not a memory dc with a mask either
+#if wxUSE_NEW_DC
+            GdkWindow* window = NULL;
+            wxImplDC *impl = source->GetImpl();
+            wxGTKWindowImplDC *gtk_impl = wxDynamicCast(impl, wxGTKWindowImplDC);
+            if (gtk_impl)
+                window = gtk_impl->GetGDKWindow();
+#else            
+            GdkWindow* window = source->GetGDKWindow();
+#endif
+            if ( !window )
+                return false;
 
             // copy including child window contents
             gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
             gdk_draw_drawable( m_window, m_penGC,
-                               srcDC->GetWindow(),
+                               window,
                                xsrc, ysrc, xx, yy,
                                width, height );
             gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
@@ -1392,9 +1490,9 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
     return true;
 }
 
-void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
+void wxGTKWindowImplDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (!m_window) return;
 
@@ -1407,13 +1505,53 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
     wxCHECK_RET( m_layout, wxT("no Pango layout") );
     wxCHECK_RET( m_fontdesc, wxT("no Pango font description") );
 
-    bool underlined = m_font.Ok() && m_font.GetUnderlined();
+    gdk_pango_context_set_colormap( m_context, m_cmap );
+
+    bool underlined = m_font.IsOk() && m_font.GetUnderlined();
 
     const wxCharBuffer data = wxGTK_CONV( text );
     if ( !data )
         return;
-    const size_t datalen = strlen(data);
-    pango_layout_set_text( m_layout, data, datalen);
+    size_t datalen = strlen(data);
+
+    // in Pango >= 1.16 the "underline of leading/trailing spaces" bug
+    // has been fixed and thus the hack implemented below should never be used
+    static bool pangoOk = !wx_pango_version_check(1, 16, 0);
+
+    bool needshack = underlined && !pangoOk;
+    char *hackstring = NULL;
+
+    if (needshack)
+    {
+        // a PangoLayout which has leading/trailing spaces with underlined font
+        // is not correctly drawn by this pango version: Pango won't underline the spaces.
+        // This can be a problem; e.g. wxHTML rendering of underlined text relies on
+        // this behaviour. To workaround this problem, we use a special hack here
+        // suggested by pango maintainer Behdad Esfahbod: we prepend and append two
+        // empty space characters and give them a dummy colour attribute.
+        // This will force Pango to underline the leading/trailing spaces, too.
+
+        // need to realloc the string to prepend & append our special characters
+        hackstring = (char*)malloc((datalen+7)*sizeof(char));
+
+        // copy the leading U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
+        strcpy(hackstring, "\342\200\214");
+
+        // copy the user string
+        memcpy(&hackstring[3], data, datalen);
+
+        // copy the trailing U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
+        strcpy(&hackstring[datalen+3], "\342\200\214");
+
+        // the special characters that we added require 6 additional bytes:
+        datalen += 6;
+
+        pango_layout_set_text(m_layout, hackstring, datalen);
+    }
+    else
+    {
+        pango_layout_set_text(m_layout, data, datalen);
+    }
 
     if (underlined)
     {
@@ -1422,6 +1560,22 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         a->start_index = 0;
         a->end_index = datalen;
         pango_attr_list_insert(attrs, a);
+
+        if (needshack)
+        {
+            // dummy colour for the leading space
+            a = pango_attr_foreground_new (0x0057, 0x52A9, 0xD614);
+            a->start_index = 0;
+            a->end_index = 1;
+            pango_attr_list_insert(attrs, a);
+
+            // dummy colour for the trailing space
+            a = pango_attr_foreground_new (0x0057, 0x52A9, 0xD614);
+            a->start_index = datalen - 1;
+            a->end_index = datalen;
+            pango_attr_list_insert(attrs, a);
+        }
+
         pango_layout_set_attributes(m_layout, attrs);
         pango_attr_list_unref(attrs);
     }
@@ -1451,7 +1605,10 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
          }
 
          // Draw layout.
-         gdk_draw_layout( m_window, m_textGC, x, y, m_layout );
+         if (m_owningWindow && m_owningWindow->GetLayoutDirection() == wxLayout_RightToLeft)
+             gdk_draw_layout( m_window, m_textGC, x-w, y, m_layout );
+         else
+             gdk_draw_layout( m_window, m_textGC, x, y, m_layout );
 
          // reset unscaled size
          pango_font_description_set_size( m_fontdesc, oldSize );
@@ -1468,8 +1625,12 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
         }
+
         // Draw layout.
-        gdk_draw_layout( m_window, m_textGC, x, y, m_layout );
+        if (m_owningWindow && m_owningWindow->GetLayoutDirection() == wxLayout_RightToLeft)
+            gdk_draw_layout( m_window, m_textGC, x-w, y, m_layout );
+        else
+            gdk_draw_layout( m_window, m_textGC, x, y, m_layout );
     }
 
     if (underlined)
@@ -1485,6 +1646,9 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
     height = wxCoord(height / m_scaleY);
     CalcBoundingBox (x + width, y + height);
     CalcBoundingBox (x, y);
+
+    if (hackstring)
+        free(hackstring);
 }
 
 
@@ -1492,16 +1656,17 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
 // a better approach here:
 //           http://www.daa.com.au/pipermail/pygtk/2003-April/005052.html
 
-void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
+void wxGTKWindowImplDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
 {
+#if wxUSE_IMAGE
     if (!m_window || text.empty())
         return;
 
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if ( wxIsNullDouble(angle) )
     {
-        DrawText(text, x, y);
+        DoDrawText(text, x, y);
         return;
     }
 
@@ -1509,7 +1674,7 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y,
     wxCoord h;
 
     // TODO: implement later without GdkFont for GTK 2.0
-    GetTextExtent(text, &w, &h, NULL,NULL, &m_font);
+    DoGetTextExtent(text, &w, &h, NULL,NULL, &m_font);
 
     // draw the string normally
     wxBitmap src(w, h);
@@ -1592,12 +1757,13 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y,
     // update the bounding box
     CalcBoundingBox(x + minX, y + minY);
     CalcBoundingBox(x + maxX, y + maxY);
+#endif // wxUSE_IMAGE
 }
 
-void wxWindowDC::DoGetTextExtent(const wxString &string,
+void wxGTKWindowImplDC::DoGetTextExtent(const wxString &string,
                                  wxCoord *width, wxCoord *height,
                                  wxCoord *descent, wxCoord *externalLeading,
-                                 wxFont *theFont) const
+                                 const wxFont *theFont) const
 {
     if ( width )
         *width = 0;
@@ -1612,11 +1778,11 @@ void wxWindowDC::DoGetTextExtent(const wxString &string,
         return;
 
     // ensure that theFont is always non-NULL
-    if ( !theFont || !theFont->Ok() )
+    if ( !theFont || !theFont->IsOk() )
         theFont = wx_const_cast(wxFont *, &m_font);
 
     // and use it if it's valid
-    if ( theFont->Ok() )
+    if ( theFont->IsOk() )
     {
         pango_layout_set_font_description
         (
@@ -1653,11 +1819,55 @@ void wxWindowDC::DoGetTextExtent(const wxString &string,
     }
 
     // Reset old font description
-    if (theFont)
+    if (theFont->IsOk())
         pango_layout_set_font_description( m_layout, m_fontdesc );
 }
 
-wxCoord wxWindowDC::GetCharWidth() const
+
+bool wxGTKWindowImplDC::DoGetPartialTextExtents(const wxString& text,
+                                         wxArrayInt& widths) const
+{
+    const size_t len = text.length();
+    widths.Empty();
+    widths.Add(0, len);
+
+    if (text.empty())
+        return true;
+
+    // Set layout's text
+    const wxCharBuffer dataUTF8 = wxGTK_CONV_FONT(text, m_font);
+    if ( !dataUTF8 )
+    {
+        // hardly ideal, but what else can we do if conversion failed?
+        wxLogLastError(wxT("DoGetPartialTextExtents"));
+        return false;
+    }
+
+    pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
+
+    // Calculate the position of each character based on the widths of
+    // the previous characters
+
+    // Code borrowed from Scintilla's PlatGTK
+    PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
+    PangoRectangle pos;
+    pango_layout_iter_get_cluster_extents(iter, NULL, &pos);
+    size_t i = 0;
+    while (pango_layout_iter_next_cluster(iter))
+    {
+        pango_layout_iter_get_cluster_extents(iter, NULL, &pos);
+        int position = PANGO_PIXELS(pos.x);
+        widths[i++] = position;
+    }
+    while (i < len)
+        widths[i++] = PANGO_PIXELS(pos.x + pos.width);
+    pango_layout_iter_free(iter);
+
+    return true;
+}
+
+
+wxCoord wxGTKWindowImplDC::GetCharWidth() const
 {
     pango_layout_set_text( m_layout, "H", 1 );
     int w;
@@ -1665,55 +1875,33 @@ wxCoord wxWindowDC::GetCharWidth() const
     return w;
 }
 
-wxCoord wxWindowDC::GetCharHeight() const
+wxCoord wxGTKWindowImplDC::GetCharHeight() const
 {
-    PangoFontMetrics *metrics = pango_context_get_metrics (m_context, m_fontdesc, NULL);
-    return PANGO_PIXELS (pango_font_metrics_get_descent (metrics) + pango_font_metrics_get_ascent (metrics));
+    PangoFontMetrics *metrics = pango_context_get_metrics (m_context, m_fontdesc, pango_context_get_language(m_context));
+    wxCHECK_MSG( metrics, -1, _T("failed to get pango font metrics") );
+
+    wxCoord h = PANGO_PIXELS (pango_font_metrics_get_descent (metrics) +
+                pango_font_metrics_get_ascent (metrics));
+    pango_font_metrics_unref (metrics);
+    return h;
 }
 
-void wxWindowDC::Clear()
+void wxGTKWindowImplDC::Clear()
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (!m_window) return;
 
-    // VZ: the code below results in infinite recursion and crashes when
-    //     dc.Clear() is done from OnPaint() so I disable it for now.
-    //     I don't know what the correct fix is but Clear() surely should not
-    //     reenter OnPaint()!
-#if 0
-    /* - we either are a memory dc or have a window as the
-       owner. anything else shouldn't happen.
-       - we don't use gdk_window_clear() as we don't set
-       the window's background colour anymore. it is too
-       much pain to keep the DC's and the window's back-
-       ground colour in synch. */
-
-    if (m_owner)
-    {
-        m_owner->Clear();
-        return;
-    }
-
-    if (m_isMemDC)
-    {
-        int width,height;
-        GetSize( &width, &height );
-        gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
-        return;
-    }
-#else // 1
     int width,height;
-    GetSize( &width, &height );
+    DoGetSize( &width, &height );
     gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
-#endif // 0/1
 }
 
-void wxWindowDC::SetFont( const wxFont &font )
+void wxGTKWindowImplDC::SetFont( const wxFont &font )
 {
     m_font = font;
 
-    if (m_font.Ok())
+    if (m_font.IsOk())
     {
         if (m_fontdesc)
             pango_font_description_free( m_fontdesc );
@@ -1721,11 +1909,11 @@ void wxWindowDC::SetFont( const wxFont &font )
         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
 
 
-        if (m_owner)
+        if (m_owningWindow)
         {
             PangoContext *oldContext = m_context;
 
-            m_context = m_owner->GtkGetPangoDefaultContext();
+            m_context = m_owningWindow->GtkGetPangoDefaultContext();
 
             // If we switch back/forth between different contexts
             // we also have to create a new layout. I think so,
@@ -1743,15 +1931,15 @@ void wxWindowDC::SetFont( const wxFont &font )
     }
 }
 
-void wxWindowDC::SetPen( const wxPen &pen )
+void wxGTKWindowImplDC::SetPen( const wxPen &pen )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (m_pen == pen) return;
 
     m_pen = pen;
 
-    if (!m_pen.Ok()) return;
+    if (!m_pen.IsOk()) return;
 
     if (!m_window) return;
 
@@ -1893,15 +2081,15 @@ void wxWindowDC::SetPen( const wxPen &pen )
     gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
 }
 
-void wxWindowDC::SetBrush( const wxBrush &brush )
+void wxGTKWindowImplDC::SetBrush( const wxBrush &brush )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (m_brush == brush) return;
 
     m_brush = brush;
 
-    if (!m_brush.Ok()) return;
+    if (!m_brush.IsOk()) return;
 
     if (!m_window) return;
 
@@ -1910,7 +2098,7 @@ void wxWindowDC::SetBrush( const wxBrush &brush )
 
     gdk_gc_set_fill( m_brushGC, GDK_SOLID );
 
-    if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->Ok()))
+    if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->IsOk()))
     {
         if (m_brush.GetStipple()->GetDepth() != 1)
         {
@@ -1938,18 +2126,18 @@ void wxWindowDC::SetBrush( const wxBrush &brush )
     }
 }
 
-void wxWindowDC::SetBackground( const wxBrush &brush )
+void wxGTKWindowImplDC::SetBackground( const wxBrush &brush )
 {
    /* CMB 21/7/98: Added SetBackground. Sets background brush
     * for Clear() and bg colour for shapes filled with cross-hatch brush */
 
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (m_backgroundBrush == brush) return;
 
     m_backgroundBrush = brush;
 
-    if (!m_backgroundBrush.Ok()) return;
+    if (!m_backgroundBrush.IsOk()) return;
 
     if (!m_window) return;
 
@@ -1961,7 +2149,7 @@ void wxWindowDC::SetBackground( const wxBrush &brush )
 
     gdk_gc_set_fill( m_bgGC, GDK_SOLID );
 
-    if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->Ok()))
+    if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->IsOk()))
     {
         if (m_backgroundBrush.GetStipple()->GetDepth() != 1)
         {
@@ -1983,9 +2171,9 @@ void wxWindowDC::SetBackground( const wxBrush &brush )
     }
 }
 
-void wxWindowDC::SetLogicalFunction( int function )
+void wxGTKWindowImplDC::SetLogicalFunction( int function )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (m_logicalFunction == function)
         return;
@@ -2031,14 +2219,14 @@ void wxWindowDC::SetLogicalFunction( int function )
     gdk_gc_set_function( m_textGC, mode );
 }
 
-void wxWindowDC::SetTextForeground( const wxColour &col )
+void wxGTKWindowImplDC::SetTextForeground( const wxColour &col )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     // don't set m_textForegroundColour to an invalid colour as we'd crash
     // later then (we use m_textForegroundColour.GetColor() without checking
     // in a few places)
-    if ( !col.Ok() || (m_textForegroundColour == col) )
+    if ( !col.IsOk() || (m_textForegroundColour == col) )
         return;
 
     m_textForegroundColour = col;
@@ -2050,12 +2238,12 @@ void wxWindowDC::SetTextForeground( const wxColour &col )
     }
 }
 
-void wxWindowDC::SetTextBackground( const wxColour &col )
+void wxGTKWindowImplDC::SetTextBackground( const wxColour &col )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     // same as above
-    if ( !col.Ok() || (m_textBackgroundColour == col) )
+    if ( !col.IsOk() || (m_textBackgroundColour == col) )
         return;
 
     m_textBackgroundColour = col;
@@ -2067,9 +2255,9 @@ void wxWindowDC::SetTextBackground( const wxColour &col )
     }
 }
 
-void wxWindowDC::SetBackgroundMode( int mode )
+void wxGTKWindowImplDC::SetBackgroundMode( int mode )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     m_backgroundMode = mode;
 
@@ -2085,14 +2273,14 @@ void wxWindowDC::SetBackgroundMode( int mode )
     }
 }
 
-void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) )
+void wxGTKWindowImplDC::SetPalette( const wxPalette& WXUNUSED(palette) )
 {
-    wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") );
+    wxFAIL_MSG( wxT("wxGTKWindowImplDC::SetPalette not implemented") );
 }
 
-void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+void wxGTKWindowImplDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (!m_window) return;
 
@@ -2102,6 +2290,12 @@ void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoo
     rect.width = XLOG2DEVREL(width);
     rect.height = YLOG2DEVREL(height);
 
+    if (m_owningWindow && m_owningWindow->m_wxwindow && 
+        (m_owningWindow->GetLayoutDirection() == wxLayout_RightToLeft))
+    {
+        rect.x -= rect.width;
+    }
+
     if (!m_currentClippingRegion.IsNull())
         m_currentClippingRegion.Intersect( rect );
     else
@@ -2114,7 +2308,11 @@ void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoo
 
     wxCoord xx, yy, ww, hh;
     m_currentClippingRegion.GetBox( xx, yy, ww, hh );
+#if wxUSE_NEW_DC
+    wxImplDC::DoSetClippingRegion( xx, yy, ww, hh );
+#else
     wxDC::DoSetClippingRegion( xx, yy, ww, hh );
+#endif
 
     gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
     gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
@@ -2122,9 +2320,9 @@ void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoo
     gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
 }
 
-void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
+void wxGTKWindowImplDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     if (region.Empty())
     {
@@ -2146,7 +2344,11 @@ void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 
     wxCoord xx, yy, ww, hh;
     m_currentClippingRegion.GetBox( xx, yy, ww, hh );
+#if wxUSE_NEW_DC
+    wxImplDC::DoSetClippingRegion( xx, yy, ww, hh );
+#else
     wxDC::DoSetClippingRegion( xx, yy, ww, hh );
+#endif
 
     gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
     gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
@@ -2154,11 +2356,15 @@ void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
     gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
 }
 
-void wxWindowDC::DestroyClippingRegion()
+void wxGTKWindowImplDC::DestroyClippingRegion()
 {
-    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+    wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
+#if wxUSE_NEW_DC
+    wxImplDC::DestroyClippingRegion();
+#else
     wxDC::DestroyClippingRegion();
+#endif
 
     m_currentClippingRegion.Clear();
 
@@ -2185,7 +2391,7 @@ void wxWindowDC::DestroyClippingRegion()
     }
 }
 
-void wxWindowDC::Destroy()
+void wxGTKWindowImplDC::Destroy()
 {
     if (m_penGC) wxFreePoolGC( m_penGC );
     m_penGC = (GdkGC*) NULL;
@@ -2197,14 +2403,38 @@ void wxWindowDC::Destroy()
     m_bgGC = (GdkGC*) NULL;
 }
 
-void wxWindowDC::ComputeScaleAndOrigin()
+void wxGTKWindowImplDC::SetDeviceOrigin( wxCoord x, wxCoord y )
+{
+    m_deviceOriginX = x;
+    m_deviceOriginY = y;
+
+    ComputeScaleAndOrigin();
+}
+
+void wxGTKWindowImplDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
+{
+    m_signX = (xLeftRight ?  1 : -1);
+    m_signY = (yBottomUp  ? -1 :  1);
+
+    if (m_owningWindow && m_owningWindow->m_wxwindow && 
+        (m_owningWindow->GetLayoutDirection() == wxLayout_RightToLeft))
+        m_signX = -m_signX;
+
+    ComputeScaleAndOrigin();
+}
+
+void wxGTKWindowImplDC::ComputeScaleAndOrigin()
 {
     const wxRealPoint origScale(m_scaleX, m_scaleY);
 
+#if wxUSE_NEW_DC
+    wxImplDC::ComputeScaleAndOrigin();
+#else
     wxDC::ComputeScaleAndOrigin();
+#endif
 
     // if scale has changed call SetPen to recalulate the line width
-    if ( wxRealPoint(m_scaleX, m_scaleY) != origScale && m_pen.Ok() )
+    if ( wxRealPoint(m_scaleX, m_scaleY) != origScale && m_pen.IsOk() )
     {
         // this is a bit artificial, but we need to force wxDC to think the pen
         // has changed
@@ -2215,22 +2445,71 @@ void wxWindowDC::ComputeScaleAndOrigin()
 }
 
 // Resolution in pixels per logical inch
-wxSize wxWindowDC::GetPPI() const
+wxSize wxGTKWindowImplDC::GetPPI() const
 {
     return wxSize( (int) (m_mm_to_pix_x * 25.4 + 0.5), (int) (m_mm_to_pix_y * 25.4 + 0.5));
 }
 
-int wxWindowDC::GetDepth() const
+int wxGTKWindowImplDC::GetDepth() const
 {
     return gdk_drawable_get_depth(m_window);
 }
 
 
+//-----------------------------------------------------------------------------
+// wxClientDC
+//-----------------------------------------------------------------------------
+
+#if wxUSE_NEW_DC
+IMPLEMENT_ABSTRACT_CLASS(wxGTKClientImplDC, wxGTKWindowImplDC)
+#else
+IMPLEMENT_ABSTRACT_CLASS(wxClientDC, wxWindowDC)
+#endif
+
+#if wxUSE_NEW_DC
+wxGTKClientImplDC::wxGTKClientImplDC( wxDC *owner )
+          : wxGTKWindowImplDC( owner )
+{
+}
+
+wxGTKClientImplDC::wxGTKClientImplDC( wxDC *owner, wxWindow *win )
+          : wxGTKWindowImplDC( owner, win )
+#else
+wxClientDC::wxClientDC()
+{
+}
+
+wxClientDC::wxClientDC( wxWindow *win )
+          : wxWindowDC( win )
+#endif          
+          
+{
+    wxCHECK_RET( win, _T("NULL window in wxGTKClientImplDC::wxClientDC") );
+
+#ifdef __WXUNIVERSAL__
+    wxPoint ptOrigin = win->GetClientAreaOrigin();
+    SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
+    wxSize size = win->GetClientSize();
+    SetClippingRegion(wxPoint(0, 0), size);
+#endif // __WXUNIVERSAL__
+}
+
+void wxGTKClientImplDC::DoGetSize(int *width, int *height) const
+{
+    wxCHECK_RET( m_owningWindow, _T("GetSize() doesn't work without window") );
+
+    m_owningWindow->GetClientSize( width, height );
+}
+
 //-----------------------------------------------------------------------------
 // wxPaintDC
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxClientDC)
+#if wxUSE_NEW_DC
+IMPLEMENT_ABSTRACT_CLASS(wxGTKPaintImplDC, wxGTKClientImplDC)
+#else
+IMPLEMENT_ABSTRACT_CLASS(wxPaintDC, wxClientDC)
+#endif
 
 // Limit the paint region to the window size. Sometimes
 // the paint region is too big, and this risks X11 errors
@@ -2251,15 +2530,30 @@ static void wxLimitRegionToSize(wxRegion& region, const wxSize& sz)
     }
 }
 
+#if wxUSE_NEW_DC
+wxGTKPaintImplDC::wxGTKPaintImplDC( wxDC *owner )
+         : wxGTKClientImplDC( owner )
+{
+}
+
+wxGTKPaintImplDC::wxGTKPaintImplDC( wxDC *owner, wxWindow *win )
+         : wxGTKClientImplDC( owner, win )
+#else
+wxPaintDC::wxPaintDC()
+         : wxClientDC()
+{
+}
+
 wxPaintDC::wxPaintDC( wxWindow *win )
          : wxClientDC( win )
+#endif
 {
 #if USE_PAINT_REGION
     if (!win->m_clipPaintRegion)
         return;
 
     wxSize sz = win->GetSize();
-    m_paintClippingRegion = win->GetUpdateRegion();
+    m_paintClippingRegion = win->m_nativeUpdateRegion;
     wxLimitRegionToSize(m_paintClippingRegion, sz);
 
     GdkRegion *region = m_paintClippingRegion.GetRegion();
@@ -2279,32 +2573,6 @@ wxPaintDC::wxPaintDC( wxWindow *win )
 #endif // USE_PAINT_REGION
 }
 
-//-----------------------------------------------------------------------------
-// wxClientDC
-//-----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
-
-wxClientDC::wxClientDC( wxWindow *win )
-          : wxWindowDC( win )
-{
-    wxCHECK_RET( win, _T("NULL window in wxClientDC::wxClientDC") );
-
-#ifdef __WXUNIVERSAL__
-    wxPoint ptOrigin = win->GetClientAreaOrigin();
-    SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
-    wxSize size = win->GetClientSize();
-    SetClippingRegion(wxPoint(0, 0), size);
-#endif // __WXUNIVERSAL__
-}
-
-void wxClientDC::DoGetSize(int *width, int *height) const
-{
-    wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
-
-    m_owner->GetClientSize( width, height );
-}
-
 // ----------------------------------------------------------------------------
 // wxDCModule
 // ----------------------------------------------------------------------------