1. fixed (?) blitting bitmaps with mask

2. fixed wxWindowBase compilation (oops)
3. fixed kbd handling in wxScrolledWindow under MSW


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5660 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/wincmn.cpp

@@ -748,7 +748,7 @@ bool wxWindowBase::TransferDataToWindow()
 
         if ( recurse )
         {
-            if ( !child->TransferToWindow() )
+            if ( !child->TransferDataToWindow() )
             {
                 // warning already given
                 return FALSE;
@@ -780,7 +780,7 @@ bool wxWindowBase::TransferDataFromWindow()
 
         if ( recurse )
         {
-            if ( !child->TransferFromWindow() )
+            if ( !child->TransferDataFromWindow() )
             {
                 // warning already given
                 return FALSE;

src/generic/scrolwin.cpp

@@ -109,7 +109,8 @@ bool wxScrolledWindow::Create(wxWindow *parent,
 
     m_targetWindow = this;
 
-    return wxPanel::Create(parent, id, pos, size, style, name);
+    // we need wxWANTS_CHARS to process arrows ourselves
+    return wxPanel::Create(parent, id, pos, size, style | wxWANTS_CHARS, name);
 }
 
 wxScrolledWindow::~wxScrolledWindow()

src/msw/bitmap.cpp

@@ -582,15 +582,15 @@ wxMask::~wxMask()
 // Create a mask from a mono bitmap (copies the bitmap).
 bool wxMask::Create(const wxBitmap& bitmap)
 {
+    wxCHECK_MSG( bitmap.Ok() && bitmap.GetDepth() == 1, FALSE,
+                 _T("can't create mask from invalid or not monochrome bitmap") );
+
     if ( m_maskBitmap )
     {
         ::DeleteObject((HBITMAP) m_maskBitmap);
         m_maskBitmap = 0;
     }
-    if (!bitmap.Ok() || bitmap.GetDepth() != 1)
-    {
-        return FALSE;
-    }
+
     m_maskBitmap = (WXHBITMAP) CreateBitmap(
                                             bitmap.GetWidth(),
                                             bitmap.GetHeight(),

src/msw/dc.cpp

@@ -23,7 +23,6 @@
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
-#include "wx/msw/private.h" // needs to be before #include <commdlg.h>
 
 #ifdef __BORLANDC__
     #pragma hdrstop
@@ -46,6 +45,8 @@
 #include <string.h>
 #include <math.h>
 
+#include "wx/msw/private.h" // needs to be before #include <commdlg.h>
+
 #if wxUSE_COMMON_DIALOGS
 #if wxUSE_NORLANDER_HEADERS
     #include <windows.h>
@@ -57,7 +58,7 @@
     #include <print.h>
 #endif
 
-    IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
 
 // ---------------------------------------------------------------------------
 // constants
@@ -1254,7 +1255,7 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
         const wxBitmap& bmp = source->m_selectedBitmap;
         mask = bmp.GetMask();
 
-        wxCHECK_MSG( bmp.Ok() && mask, FALSE,
+        wxCHECK_MSG( bmp.Ok() && mask && mask->GetMaskBitmap(), FALSE,
                      _T("can't blit with mask without mask") );
     }
 
@@ -1288,16 +1289,24 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
     if (useMask)
     {
 #ifdef __WIN32__
-        if ( ::MaskBlt(GetHdc(), xdest, ydest,
-                       (int)width, (int)height,
+        HBITMAP hbmpMask = wxInvertMask((HBITMAP)mask->GetMaskBitmap());
+
+        // we want the part of the image corresponding to the mask to be
+        // transparent, i.e. do PATCOPY there and apply dwRop elsewhere
+        const wxColour& colBg = m_backgroundBrush.GetColour();
+        HBRUSH hbrBg = (HBRUSH)::CreateSolidBrush(wxColourToRGB(colBg));
+        HBRUSH hbrOld = (HBRUSH)::SelectObject(GetHdc(), hbrBg);
+
+        success = ::MaskBlt(GetHdc(), xdest, ydest, width, height,
                             GetHdcOf(*source), xsrc, ysrc,
-                       (HBITMAP) mask->GetMaskBitmap(),
-                       0, 0, MAKEROP4(SRCCOPY, PATCOPY)) != 0 )
-        {
-            // Success
-            success = TRUE;
-        }
-        else
+                            hbmpMask, 0, 0,
+                            MAKEROP4(PATCOPY, dwRop)) != 0;
+
+        (void)::SelectObject(GetHdc(), hbrOld);
+        ::DeleteObject(hbrOld);
+        ::DeleteObject(hbmpMask);
+
+        if ( !success )
 #endif // Win32
         {
             // Blit bitmap with mask

src/msw/dib.cpp

@@ -426,7 +426,6 @@ BOOL wxReadDIB(LPTSTR lpFileName, HBITMAP *bitmap, HPALETTE *palette)
     BITMAPFILEHEADER   bf;
     WORD                nNumColors;
     BOOL result = FALSE;
-    wxChar str[128];
     WORD offBits;
     HDC hDC;
     BOOL bCoreHead = FALSE;
@@ -436,8 +435,7 @@ BOOL wxReadDIB(LPTSTR lpFileName, HBITMAP *bitmap, HPALETTE *palette)
 
     fh = OpenFile (wxFNCONV(lpFileName), &of, OF_READ);
     if (fh == -1) {
-        wsprintf(str,wxT("Can't open file '%s'"), lpFileName);
-	MessageBox(NULL, str, wxT("Error"), MB_ICONSTOP | MB_OK);
+        wxLogError(_("Can't open file '%s'"), lpFileName);
         return (0);
     }