Applied patch [ 807164 ] fixes for core library

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

diff --git a/src/msw/clipbrd.cpp b/src/msw/clipbrd.cpp
index e02807caaaf1104b281ea2b38c316ced1e02cfca..b857b77427cfc7d412ba1400684d48173f0a4aea 100644 (file)
--- a/src/msw/clipbrd.cpp
+++ b/src/msw/clipbrd.cpp
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================


@@ -17,7 +17,7 @@
 // headers
 // ---------------------------------------------------------------------------
 
 // headers
 // ---------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "clipbrd.h"
 #endif
 
     #pragma implementation "clipbrd.h"
 #endif
 


@@ -52,18 +52,22 @@
 #include "wx/clipbrd.h"
 
 #include <string.h>
 #include "wx/clipbrd.h"
 
 #include <string.h>

-#include <windows.h>

 
 #include "wx/msw/private.h"
 
 #include "wx/msw/private.h"

+
+#if wxUSE_WXDIB

 #include "wx/msw/dib.h"
 #include "wx/msw/dib.h"

+#endif

 
 // wxDataObject is tied to OLE/drag and drop implementation, therefore so are
 // the functions using wxDataObject in wxClipboard
 
 // wxDataObject is tied to OLE/drag and drop implementation, therefore so are
 // the functions using wxDataObject in wxClipboard

-#define wxUSE_DATAOBJ wxUSE_DRAG_AND_DROP
+//#define wxUSE_DATAOBJ wxUSE_DRAG_AND_DROP

 
 #if wxUSE_DATAOBJ
     #include "wx/dataobj.h"
 
 #if wxUSE_DATAOBJ
     #include "wx/dataobj.h"

+#endif

 
 

+#if wxUSE_OLE && !defined(__WXWINCE__)

     // use OLE clipboard
     #define wxUSE_OLE_CLIPBOARD 1
 #else // !wxUSE_DATAOBJ
     // use OLE clipboard
     #define wxUSE_OLE_CLIPBOARD 1
 #else // !wxUSE_DATAOBJ


@@ -75,10 +79,6 @@
     #include <ole2.h>
 #endif // wxUSE_OLE_CLIPBOARD
 
     #include <ole2.h>
 #endif // wxUSE_OLE_CLIPBOARD
 

-#ifdef __WIN16__
-    #define memcpy hmemcpy
-#endif
-

 // ===========================================================================
 // implementation
 // ===========================================================================
 // ===========================================================================
 // implementation
 // ===========================================================================


@@ -146,12 +146,30 @@ bool wxIsClipboardOpened()
 
 bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
 {
 
 bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
 {

-    // for bitmaps, DIBs will also do
-    return (::IsClipboardFormatAvailable(dataFormat) != 0) ||
-           (dataFormat.GetFormatId() == CF_BITMAP &&
-            ::IsClipboardFormatAvailable(CF_DIB));
+    if ( ::IsClipboardFormatAvailable(dataFormat) )
+    {
+        // ok from the first try
+        return TRUE;
+    }
+
+    // for several standard formats, we can convert from some other ones too
+    switch ( dataFormat.GetFormatId() )
+    {
+        // for bitmaps, DIBs will also do
+        case CF_BITMAP:
+            return ::IsClipboardFormatAvailable(CF_DIB) != 0;
+
+#if wxUSE_ENH_METAFILE && !defined(__WIN16__) && !defined(__WXWINCE__)
+        case CF_METAFILEPICT:
+            return ::IsClipboardFormatAvailable(CF_ENHMETAFILE) != 0;
+#endif // wxUSE_ENH_METAFILE
+
+        default:
+            return FALSE;
+    }

 }
 
 }
 

+

 bool wxSetClipboardData(wxDataFormat dataFormat,
                         const void *data,
                         int width, int height)
 bool wxSetClipboardData(wxDataFormat dataFormat,
                         const void *data,
                         int width, int height)


@@ -196,19 +214,24 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                 break;
             }
 
                 break;
             }
 

+#if wxUSE_WXDIB

         case wxDF_DIB:
             {
         case wxDF_DIB:
             {

-#if wxUSE_IMAGE_LOADING_IN_MSW

                 wxBitmap *bitmap = (wxBitmap *)data;
                 wxBitmap *bitmap = (wxBitmap *)data;

-                HBITMAP hBitmap = (HBITMAP)bitmap->GetHBITMAP();
-                // NULL palette means to use the system one
-                HANDLE hDIB = wxBitmapToDIB(hBitmap, (HPALETTE)NULL); 
-                handle = SetClipboardData(CF_DIB, hDIB);
-#endif // wxUSE_IMAGE_LOADING_IN_MSW
+
+                HGLOBAL hDIB = wxDIB::ConvertFromBitmap(GetHbitmapOf(*bitmap));
+                if ( hDIB )
+                {
+                    handle = ::SetClipboardData(CF_DIB, hDIB);
+                }

                 break;
             }
                 break;
             }

+#endif

 
 

-#if wxUSE_METAFILE
+    // VZ: I'm told that this code works, but it doesn't seem to work for me
+    //     and, anyhow, I'd be highly surprised if it did. So I leave it here
+    //     but IMNSHO it is completely broken.
+#if wxUSE_METAFILE && !defined(wxMETAFILE_IS_ENH) && !defined(__WXWINCE__)

         case wxDF_METAFILE:
             {
                 wxMetafile *wxMF = (wxMetafile *)data;
         case wxDF_METAFILE:
             {
                 wxMetafile *wxMF = (wxMetafile *)data;


@@ -225,7 +248,20 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                 handle = SetClipboardData(CF_METAFILEPICT, data);
                 break;
             }
                 handle = SetClipboardData(CF_METAFILEPICT, data);
                 break;
             }

-#endif
+#endif // wxUSE_METAFILE
+
+#if wxUSE_ENH_METAFILE && !defined(__WIN16__) && !defined(__WXWINCE__)
+        case wxDF_ENHMETAFILE:
+            {
+                wxEnhMetaFile *emf = (wxEnhMetaFile *)data;
+                wxEnhMetaFile emfCopy = *emf;
+
+                handle = SetClipboardData(CF_ENHMETAFILE,
+                                          (void *)emfCopy.GetHENHMETAFILE());
+            }
+            break;
+#endif // wxUSE_ENH_METAFILE
+

         case CF_SYLK:
         case CF_DIF:
         case CF_TIFF:
         case CF_SYLK:
         case CF_DIF:
         case CF_TIFF:


@@ -260,6 +296,80 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                 handle = SetClipboardData(dataFormat, hGlobalMemory);
                 break;
             }
                 handle = SetClipboardData(dataFormat, hGlobalMemory);
                 break;
             }

+            // Only tested with non-Unicode, Visual C++ 6.0 so far
+#if defined(__VISUALC__) && !defined(UNICODE)
+        case wxDF_HTML:
+            {
+                char* html = (char *)data;
+                
+                // Create temporary buffer for HTML header...
+                char *buf = new char [400 + strlen(html)];
+                if(!buf) return FALSE;
+                
+                // Get clipboard id for HTML format...
+                static int cfid = 0;
+                if(!cfid) cfid = RegisterClipboardFormat(wxT("HTML Format"));
+                
+                // Create a template string for the HTML header...
+                strcpy(buf,
+                    "Version:0.9\r\n"
+                    "StartHTML:00000000\r\n"
+                    "EndHTML:00000000\r\n"
+                    "StartFragment:00000000\r\n"
+                    "EndFragment:00000000\r\n"
+                    "<html><body>\r\n"
+                    "<!--StartFragment -->\r\n");
+                
+                // Append the HTML...
+                strcat(buf, html);
+                strcat(buf, "\r\n");
+                // Finish up the HTML format...
+                strcat(buf,
+                    "<!--EndFragment-->\r\n"
+                    "</body>\r\n"
+                    "</html>");
+                
+                // Now go back, calculate all the lengths, and write out the
+                // necessary header information. Note, wsprintf() truncates the
+                // string when you overwrite it so you follow up with code to replace
+                // the 0 appended at the end with a '\r'...
+                char *ptr = strstr(buf, "StartHTML");
+                wsprintf(ptr+10, "%08u", strstr(buf, "<html>") - buf);
+                *(ptr+10+8) = '\r';
+                
+                ptr = strstr(buf, "EndHTML");
+                wsprintf(ptr+8, "%08u", strlen(buf));
+                *(ptr+8+8) = '\r';
+                
+                ptr = strstr(buf, "StartFragment");
+                wsprintf(ptr+14, "%08u", strstr(buf, "<!--StartFrag") - buf);
+                *(ptr+14+8) = '\r';
+                
+                ptr = strstr(buf, "EndFragment");
+                wsprintf(ptr+12, "%08u", strstr(buf, "<!--EndFrag") - buf);
+                *(ptr+12+8) = '\r';
+                
+                // Now you have everything in place ready to put on the
+                // clipboard.
+                
+                // Allocate global memory for transfer...
+                HGLOBAL hText = GlobalAlloc(GMEM_MOVEABLE |GMEM_DDESHARE, strlen(buf)+4);
+                
+                // Put your string in the global memory...
+                ptr = (char *)GlobalLock(hText);
+                strcpy(ptr, buf);
+                GlobalUnlock(hText);
+                
+                handle = ::SetClipboardData(cfid, hText);
+                
+                // Free memory...
+                GlobalFree(hText);
+                
+                // Clean up...
+                delete [] buf;
+                break;
+            }
+#endif

     }
 
     if ( handle == 0 )
     }
 
     if ( handle == 0 )


@@ -278,6 +388,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
 
     switch ( dataFormat )
     {
 
     switch ( dataFormat )
     {

+#ifndef __WXWINCE__

         case wxDF_BITMAP:
             {
                 BITMAP bm;
         case wxDF_BITMAP:
             {
                 BITMAP bm;


@@ -319,23 +430,18 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 wxBM->SetWidth(bm.bmWidth);
                 wxBM->SetHeight(bm.bmHeight);
                 wxBM->SetDepth(bm.bmPlanes);
                 wxBM->SetWidth(bm.bmWidth);
                 wxBM->SetHeight(bm.bmHeight);
                 wxBM->SetDepth(bm.bmPlanes);

-#if WXWIN_COMPATIBILITY_2
-                wxBM->SetOk(TRUE);
-#endif // WXWIN_COMPATIBILITY_2

                 retval = wxBM;
                 break;
             }
                 retval = wxBM;
                 break;
             }

-
+#endif

         case wxDF_METAFILE:
         case CF_SYLK:
         case CF_DIF:
         case CF_TIFF:
         case CF_PALETTE:
         case wxDF_DIB:
         case wxDF_METAFILE:
         case CF_SYLK:
         case CF_DIF:
         case CF_TIFF:
         case CF_PALETTE:
         case wxDF_DIB:

-            {
-                wxLogError(_("Unsupported clipboard format."));
-                return FALSE;
-            }
+            wxLogError(_("Unsupported clipboard format."));
+            return NULL;

 
         case wxDF_OEMTEXT:
             dataFormat = wxDF_TEXT;
 
         case wxDF_OEMTEXT:
             dataFormat = wxDF_TEXT;


@@ -355,11 +461,11 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 if (!s)
                     break;
 
                 if (!s)
                     break;
 

-                LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
+                LPSTR lpGlobalMemory = (LPSTR) GlobalLock(hGlobalMemory);

 
                 memcpy(s, lpGlobalMemory, hsize);
 
 
                 memcpy(s, lpGlobalMemory, hsize);
 

-                ::GlobalUnlock(hGlobalMemory);
+                GlobalUnlock(hGlobalMemory);

 
                 retval = s;
                 break;
 
                 retval = s;
                 break;


@@ -379,11 +485,11 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 if ( !buf )
                     break;
 
                 if ( !buf )
                     break;
 

-                LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
+                LPSTR lpGlobalMemory = (LPSTR) GlobalLock(hGlobalMemory);

 
                 memcpy(buf, lpGlobalMemory, size);
 
 
                 memcpy(buf, lpGlobalMemory, size);
 

-                ::GlobalUnlock(hGlobalMemory);
+                GlobalUnlock(hGlobalMemory);

 
                 retval = buf;
                 break;
 
                 retval = buf;
                 break;


@@ -400,7 +506,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
 
 wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
 {
 
 wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
 {

-  return ::EnumClipboardFormats(dataFormat);
+  return (wxDataFormat::NativeFormat)::EnumClipboardFormats(dataFormat);

 }
 
 int wxRegisterClipboardFormat(wxChar *formatName)
 }
 
 int wxRegisterClipboardFormat(wxChar *formatName)


@@ -424,6 +530,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
 wxClipboard::wxClipboard()
 {
     m_clearOnExit = FALSE;
 wxClipboard::wxClipboard()
 {
     m_clearOnExit = FALSE;

+    m_isOpened = FALSE;

 }
 
 wxClipboard::~wxClipboard()
 }
 
 wxClipboard::~wxClipboard()


@@ -439,7 +546,7 @@ void wxClipboard::Clear()
 #if wxUSE_OLE_CLIPBOARD
     if ( FAILED(OleSetClipboard(NULL)) )
     {
 #if wxUSE_OLE_CLIPBOARD
     if ( FAILED(OleSetClipboard(NULL)) )
     {

-        wxLogLastError("OleSetClipboard(NULL)");
+        wxLogLastError(wxT("OleSetClipboard(NULL)"));

     }
 #endif
 }
     }
 #endif
 }


@@ -449,7 +556,7 @@ bool wxClipboard::Flush()
 #if wxUSE_OLE_CLIPBOARD
     if ( FAILED(OleFlushClipboard()) )
     {
 #if wxUSE_OLE_CLIPBOARD
     if ( FAILED(OleFlushClipboard()) )
     {

-        wxLogLastError("OleFlushClipboard");
+        wxLogLastError(wxT("OleFlushClipboard"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -467,6 +574,7 @@ bool wxClipboard::Flush()
 bool wxClipboard::Open()
 {
     // OLE opens clipboard for us
 bool wxClipboard::Open()
 {
     // OLE opens clipboard for us

+    m_isOpened = TRUE;

 #if wxUSE_OLE_CLIPBOARD
     return TRUE;
 #else
 #if wxUSE_OLE_CLIPBOARD
     return TRUE;
 #else


@@ -477,7 +585,7 @@ bool wxClipboard::Open()
 bool wxClipboard::IsOpened() const
 {
 #if wxUSE_OLE_CLIPBOARD
 bool wxClipboard::IsOpened() const
 {
 #if wxUSE_OLE_CLIPBOARD

-    return TRUE;
+    return m_isOpened;

 #else
     return wxIsClipboardOpened();
 #endif
 #else
     return wxIsClipboardOpened();
 #endif


@@ -527,7 +635,7 @@ bool wxClipboard::AddData( wxDataObject *data )
 #elif wxUSE_DATAOBJ
     wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
 
 #elif wxUSE_DATAOBJ
     wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
 

-    wxDataFormat format = data->GetFormat();
+    wxDataFormat format = data->GetPreferredFormat();

 
     switch ( format )
     {
 
     switch ( format )
     {


@@ -544,23 +652,35 @@ bool wxClipboard::AddData( wxDataObject *data )
         {
             wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
             wxBitmap bitmap(bitmapDataObject->GetBitmap());
         {
             wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
             wxBitmap bitmap(bitmapDataObject->GetBitmap());

-            return wxSetClipboardData(data->GetFormat(), &bitmap);
+            return wxSetClipboardData(data->GetPreferredFormat(), &bitmap);

         }
 
 #if wxUSE_METAFILE
         case wxDF_METAFILE:
         {
         }
 
 #if wxUSE_METAFILE
         case wxDF_METAFILE:
         {

-            wxMetafileDataObject* metaFileDataObject = 
+#if 1
+            // TODO
+            wxLogError("Not implemented because wxMetafileDataObject does not contain width and height values.");
+            return FALSE;
+#else
+            wxMetafileDataObject* metaFileDataObject =

                 (wxMetafileDataObject*) data;
             wxMetafile metaFile = metaFileDataObject->GetMetafile();
             return wxSetClipboardData(wxDF_METAFILE, &metaFile,
                                       metaFileDataObject->GetWidth(),
                                       metaFileDataObject->GetHeight());
                 (wxMetafileDataObject*) data;
             wxMetafile metaFile = metaFileDataObject->GetMetafile();
             return wxSetClipboardData(wxDF_METAFILE, &metaFile,
                                       metaFileDataObject->GetWidth(),
                                       metaFileDataObject->GetHeight());

+#endif

         }
 #endif // wxUSE_METAFILE
 
         default:
         }
 #endif // wxUSE_METAFILE
 
         default:

-            return wxSetClipboardData(data);
+        {
+// This didn't compile, of course
+//            return wxSetClipboardData(data);
+            // TODO
+            wxLogError(wxT("Not implemented."));
+            return FALSE;
+        }

     }
 #else // !wxUSE_DATAOBJ
     return FALSE;
     }
 #else // !wxUSE_DATAOBJ
     return FALSE;


@@ -569,6 +689,7 @@ bool wxClipboard::AddData( wxDataObject *data )
 
 void wxClipboard::Close()
 {
 
 void wxClipboard::Close()
 {

+    m_isOpened = FALSE;

     // OLE closes clipboard for us
 #if !wxUSE_OLE_CLIPBOARD
     wxCloseClipboard();
     // OLE closes clipboard for us
 #if !wxUSE_OLE_CLIPBOARD
     wxCloseClipboard();


@@ -594,7 +715,8 @@ bool wxClipboard::GetData( wxDataObject& data )
 
     // build the list of supported formats
     size_t nFormats = data.GetFormatCount(wxDataObject::Set);
 
     // build the list of supported formats
     size_t nFormats = data.GetFormatCount(wxDataObject::Set);

-    wxDataFormat format, *formats;
+    wxDataFormat format;
+    wxDataFormat *formats;

     if ( nFormats == 1 )
     {
         // the most common case
     if ( nFormats == 1 )
     {
         // the most common case


@@ -683,11 +805,15 @@ bool wxClipboard::GetData( wxDataObject& data )
                 case CF_BITMAP:
                     formatEtc.tymed = TYMED_GDI;
                     break;
                 case CF_BITMAP:
                     formatEtc.tymed = TYMED_GDI;
                     break;

-
+#ifndef __WXWINCE__

                 case CF_METAFILEPICT:
                     formatEtc.tymed = TYMED_MFPICT;
                     break;
 
                 case CF_METAFILEPICT:
                     formatEtc.tymed = TYMED_MFPICT;
                     break;
 

+                case CF_ENHMETAFILE:
+                    formatEtc.tymed = TYMED_ENHMF;
+                    break;
+#endif

                 default:
                     formatEtc.tymed = TYMED_HGLOBAL;
             }
                 default:
                     formatEtc.tymed = TYMED_HGLOBAL;
             }


@@ -733,7 +859,7 @@ bool wxClipboard::GetData( wxDataObject& data )
 #elif wxUSE_DATAOBJ
     wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
 
 #elif wxUSE_DATAOBJ
     wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );
 

-    wxDataFormat format = data.GetFormat();
+    wxDataFormat format = data.GetPreferredFormat();

     switch ( format )
     {
         case wxDF_TEXT:
     switch ( format )
     {
         case wxDF_TEXT:


@@ -744,7 +870,7 @@ bool wxClipboard::GetData( wxDataObject& data )
             if ( !s )
                 return FALSE;
 
             if ( !s )
                 return FALSE;
 

-            textDataObject.SetText(s);
+            textDataObject.SetText(wxString::FromAscii(s));

             delete [] s;
 
             return TRUE;
             delete [] s;
 
             return TRUE;


@@ -754,7 +880,7 @@ bool wxClipboard::GetData( wxDataObject& data )
         case wxDF_DIB:
         {
             wxBitmapDataObject& bitmapDataObject = (wxBitmapDataObject &)data;
         case wxDF_DIB:
         {
             wxBitmapDataObject& bitmapDataObject = (wxBitmapDataObject &)data;

-            wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data->GetFormat());
+            wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data.GetPreferredFormat());

             if ( !bitmap )
                 return FALSE;
 
             if ( !bitmap )
                 return FALSE;
 


@@ -778,14 +904,12 @@ bool wxClipboard::GetData( wxDataObject& data )
         }
 #endif // wxUSE_METAFILE
     }
         }
 #endif // wxUSE_METAFILE
     }

+    return FALSE;

 #else // !wxUSE_DATAOBJ
     wxFAIL_MSG( wxT("no clipboard implementation") );
 #else // !wxUSE_DATAOBJ
     wxFAIL_MSG( wxT("no clipboard implementation") );

-#endif // wxUSE_OLE_CLIPBOARD/wxUSE_DATAOBJ
-

     return FALSE;
     return FALSE;

+#endif // wxUSE_OLE_CLIPBOARD/wxUSE_DATAOBJ

 }
 
 }
 

-#else
-    #error "Please turn wxUSE_CLIPBOARD on to compile this file."

 #endif // wxUSE_CLIPBOARD
 
 #endif // wxUSE_CLIPBOARD