X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/23205be83c2a88b1aa7204d2cee52ca8a755e698..739c5499fcab1c165b8dd0591c9fd9e2329b3cf9:/src/dfb/dcclient.cpp

diff --git a/src/dfb/dcclient.cpp b/src/dfb/dcclient.cpp
index c4bd27fc69..2a13ea7e2b 100644
--- a/src/dfb/dcclient.cpp
+++ b/src/dfb/dcclient.cpp
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/dfb/dcclient.cpp
-// Purpose:     wxWindowDC, wxClientDC and wxPaintDC
+// Purpose:     wxWindowDCImpl, wxClientDCImpl and wxPaintDC
 // Author:      Vaclav Slavik
 // Created:     2006-08-10
 // RCS-ID:      $Id$
@@ -23,16 +23,15 @@
     #pragma hdrstop
 #endif
 
-#include "wx/dcclient.h"
-
 #ifndef WX_PRECOMP
     #include "wx/window.h"
     #include "wx/nonownedwnd.h"
 #endif
 
+#include "wx/dfb/dcclient.h"
 #include "wx/dfb/private.h"
 
-#define TRACE_PAINT  _T("paint")
+#define TRACE_PAINT  "paint"
 
 // ===========================================================================
 // implementation
@@ -77,9 +76,14 @@ static wxRect GetUncoveredWindowArea(wxWindow *win)
 static
 wxIDirectFBSurfacePtr CreateDummySurface(wxWindow *win, const wxRect *rect)
 {
-    wxLogTrace(TRACE_PAINT, _T("%p ('%s'): creating dummy DC surface"),
+    wxLogTrace(TRACE_PAINT, "%p ('%s'): creating dummy DC surface",
                win, win->GetName().c_str());
     wxSize size(rect ? rect->GetSize() : win->GetSize());
+
+    // we can't create a surface of 0 size but the size of the window may be 0,
+    // so ensure that we have at least a single pixel to draw on
+    size.IncTo(wxSize(1, 1));
+
     return win->GetDfbSurface()->CreateCompatible
            (
              size,
@@ -88,21 +92,22 @@ wxIDirectFBSurfacePtr CreateDummySurface(wxWindow *win, const wxRect *rect)
 }
 
 //-----------------------------------------------------------------------------
-// wxWindowDC
+// wxWindowDCImpl
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
+IMPLEMENT_ABSTRACT_CLASS(wxWindowDCImpl, wxDFBDCImpl)
 
-wxWindowDC::wxWindowDC(wxWindow *win)
+wxWindowDCImpl::wxWindowDCImpl(wxDC *owner, wxWindow *win)
+              : wxDFBDCImpl(owner)
 {
     InitForWin(win, NULL);
 }
 
-void wxWindowDC::InitForWin(wxWindow *win, const wxRect *rect)
+void wxWindowDCImpl::InitForWin(wxWindow *win, const wxRect *rect)
 {
-    wxCHECK_RET( win, _T("invalid window") );
+    wxCHECK_RET( win, "invalid window" );
 
-    m_win = win;
+    m_window = win;
 
     // obtain the surface used for painting:
     wxPoint origin;
@@ -126,7 +131,7 @@ void wxWindowDC::InitForWin(wxWindow *win, const wxRect *rect)
         if ( win->GetTLW()->IsPainting() && !updateRegion.IsEmpty() )
         {
             r.Intersect(updateRegion.AsRect());
-            wxCHECK_RET( !r.IsEmpty(), _T("invalid painting rectangle") );
+            wxCHECK_RET( !r.IsEmpty(), "invalid painting rectangle" );
 
             // parent TLW will flip the entire surface when painting is done
             m_shouldFlip = false;
@@ -179,7 +184,7 @@ void wxWindowDC::InitForWin(wxWindow *win, const wxRect *rect)
         return;
 
     wxLogTrace(TRACE_PAINT,
-               _T("%p ('%s'): creating DC for area [%i,%i,%i,%i], clipped to [%i,%i,%i,%i], origin [%i,%i]"),
+               "%p ('%s'): creating DC for area [%i,%i,%i,%i], clipped to [%i,%i,%i,%i], origin [%i,%i]",
                win, win->GetName().c_str(),
                rectOrig.x, rectOrig.y, rectOrig.GetRight(), rectOrig.GetBottom(),
                r.x, r.y, r.GetRight(), r.GetBottom(),
@@ -192,7 +197,7 @@ void wxWindowDC::InitForWin(wxWindow *win, const wxRect *rect)
     SetDeviceOrigin(origin.x, origin.y);
 }
 
-wxWindowDC::~wxWindowDC()
+wxWindowDCImpl::~wxWindowDCImpl()
 {
     wxIDirectFBSurfacePtr surface(GetDirectFBSurface());
     if ( !surface )
@@ -206,7 +211,7 @@ wxWindowDC::~wxWindowDC()
     {
         // paint overlays on top of the surface being drawn to by this DC
         // before showing anything on the screen:
-        m_win->PaintOverlays(m_winRect);
+        GetWindow()->PaintOverlays(m_winRect);
 
         DFBSurfaceCapabilities caps = DSCAPS_NONE;
         surface->GetCapabilities(&caps);
@@ -222,14 +227,15 @@ wxWindowDC::~wxWindowDC()
 }
 
 //-----------------------------------------------------------------------------
-// wxClientDC
+// wxClientDCImpl
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
+IMPLEMENT_ABSTRACT_CLASS(wxClientDCImpl, wxWindowDCImpl)
 
-wxClientDC::wxClientDC(wxWindow *win)
+wxClientDCImpl::wxClientDCImpl(wxDC *owner, wxWindow *win)
+              : wxWindowDCImpl(owner, win)
 {
-    wxCHECK_RET( win, _T("invalid window") );
+    wxCHECK_RET( win, "invalid window" );
 
     wxRect rect = win->GetClientRect();
     InitForWin(win, &rect);
@@ -239,4 +245,4 @@ wxClientDC::wxClientDC(wxWindow *win)
 // wxPaintDC
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
+IMPLEMENT_ABSTRACT_CLASS(wxPaintDCImpl, wxWindowDCImpl)