fix for using wxDataObjectComposite with the clipboard

[wxWidgets.git] / src / msw / dc.cpp

diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp
index 596a748cf3917739ff11776631d9668fa5c21502..f3d7c453e48e7d46c91b837edc6587c6464ad315 100644 (file)
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -49,7 +49,7 @@
 
 #include "wx/msw/private.h" // needs to be before #include <commdlg.h>
 
-#if wxUSE_COMMON_DIALOGS
+#if wxUSE_COMMON_DIALOGS && !defined(__WXMICROWIN__)
     #include <commdlg.h>
 #endif
 
@@ -252,7 +252,7 @@ void wxDC::SelectOldObjects(WXHDC dc)
 #if wxUSE_PALETTE
         if (m_oldPalette)
         {
-            ::SelectPalette((HDC) dc, (HPALETTE) m_oldPalette, TRUE);
+            ::SelectPalette((HDC) dc, (HPALETTE) m_oldPalette, FALSE);
         }
         m_oldPalette = 0;
 #endif // wxUSE_PALETTE
@@ -869,6 +869,10 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask
 
     HBITMAP hbmpMask = 0;
 
+#if wxUSE_PALETTE
+    HPALETTE oldPal = 0;
+#endif // wxUSE_PALETTE
+
     if ( useMask )
     {
         wxMask *mask = bmp.GetMask();
@@ -896,13 +900,29 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask
         if (wxSystemOptions::GetOptionInt(wxT("no-maskblt")) == 0)
 #endif
         {
+            HDC cdc = GetHdc();
             HDC hdcMem = ::CreateCompatibleDC(GetHdc());
             ::SelectObject(hdcMem, GetHbitmapOf(bmp));
 
-            ok = ::MaskBlt(GetHdc(), x, y, width, height,
+#if wxUSE_PALETTE
+            wxPalette *pal = bmp.GetPalette();
+            if ( pal && ::GetDeviceCaps(cdc,BITSPIXEL) <= 8 )
+            {
+                oldPal = ::SelectPalette(hdcMem, GetHpaletteOf(pal), FALSE);
+                ::RealizePalette(hdcMem);
+            }
+#endif // wxUSE_PALETTE
+
+            ok = ::MaskBlt(cdc, x, y, width, height,
                             hdcMem, 0, 0,
                             hbmpMask, 0, 0,
                             MAKEROP4(SRCCOPY, DSTCOPY)) != 0;
+
+#if wxUSE_PALETTE
+            if (oldPal)
+                ::SelectPalette(hdcMem, oldPal, FALSE);
+#endif // wxUSE_PALETTE
+
             ::DeleteDC(hdcMem);
         }
 
@@ -938,8 +958,23 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask
             ::SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() );
         }
 
+#if wxUSE_PALETTE
+            wxPalette *pal = bmp.GetPalette();
+            if ( pal && ::GetDeviceCaps(cdc,BITSPIXEL) <= 8 )
+            {
+                oldPal = ::SelectPalette(memdc, GetHpaletteOf(pal), FALSE);
+                ::RealizePalette(memdc);
+            }
+#endif // wxUSE_PALETTE
+
         ::SelectObject( memdc, hbitmap );
         ::BitBlt( cdc, x, y, width, height, memdc, 0, 0, SRCCOPY);
+
+#if wxUSE_PALETTE
+        if (oldPal)
+            ::SelectPalette(memdc, oldPal, FALSE);
+#endif // wxUSE_PALETTE
+
         ::DeleteDC( memdc );
 
         ::SetTextColor(GetHdc(), old_textground);
@@ -1084,7 +1119,7 @@ void wxDC::SetPalette(const wxPalette& palette)
     // that's not yet selected out.
     if (m_oldPalette)
     {
-        ::SelectPalette(GetHdc(), (HPALETTE) m_oldPalette, TRUE);
+        ::SelectPalette(GetHdc(), (HPALETTE) m_oldPalette, FALSE);
         m_oldPalette = 0;
     }
 
@@ -1096,7 +1131,7 @@ void wxDC::SetPalette(const wxPalette& palette)
         // the original colourmap
         if (m_oldPalette)
         {
-            ::SelectPalette(GetHdc(), (HPALETTE) m_oldPalette, TRUE);
+            ::SelectPalette(GetHdc(), (HPALETTE) m_oldPalette, FALSE);
             m_oldPalette = 0;
         }
 
@@ -1105,7 +1140,7 @@ void wxDC::SetPalette(const wxPalette& palette)
 
     if (m_palette.Ok() && m_palette.GetHPALETTE())
     {
-        HPALETTE oldPal = ::SelectPalette(GetHdc(), (HPALETTE) m_palette.GetHPALETTE(), TRUE);
+        HPALETTE oldPal = ::SelectPalette(GetHdc(), (HPALETTE) m_palette.GetHPALETTE(), FALSE);
         if (!m_oldPalette)
             m_oldPalette = (WXHPALETTE) oldPal;