// ----------------------------------------------------------------------------
#ifdef __GNUG__
- #pragma implementation "dataobj.h"
+ #pragma implementation "dataobj.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if defined(__BORLANDC__)
- #pragma hdrstop
+ #pragma hdrstop
#endif
+
+#if defined(__WIN32__) && !defined(__GNUWIN32_OLD__)
+
#ifndef WX_PRECOMP
-#include "wx/intl.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
#endif
-#include "wx/defs.h"
-#if defined(__WIN32__) && !defined(__GNUWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
-
-#include "wx/log.h"
#include "wx/dataobj.h"
-#include <windows.h>
+#include "wx/msw/private.h" // includes <windows.h>
+
#ifdef wxUSE_NORLANDER_HEADERS
#include <ole2.h>
#endif
#include <shlobj.h>
-#include "wx/msw/ole/oleutils.h"
+#include "wx/msw/ole/oleutils.h"
+
+#include "wx/msw/dib.h"
// ----------------------------------------------------------------------------
// functions
#define GetTymedName(tymed) ""
#endif // Debug/!Debug
-// to be moved into wx/msw/bitmap.h
-extern size_t wxConvertBitmapToDIB(BITMAPINFO *pbi, const wxBitmap& bitmap);
-extern wxBitmap wxConvertDIBToBitmap(const BITMAPINFO *bmi);
-
// ----------------------------------------------------------------------------
// wxIEnumFORMATETC interface implementation
// ----------------------------------------------------------------------------
{
public:
wxIEnumFORMATETC(const wxDataFormat* formats, ULONG nCount);
+
+ // to suppress the gcc warning about "class has virtual functions but non
+ // virtual dtor"
+#ifdef __GNUG__
+ virtual
+#endif
~wxIEnumFORMATETC() { delete [] m_formats; }
DECLARE_IUNKNOWN_METHODS;
{
public:
wxIDataObject(wxDataObject *pDataObject);
+
+ // to suppress the gcc warning about "class has virtual functions but non
+ // virtual dtor"
+#ifdef __GNUG__
+ virtual
+#endif
~wxIDataObject();
// normally, wxDataObject controls our lifetime (i.e. we're deleted when it
bool m_mustDelete;
};
-// ----------------------------------------------------------------------------
-// small helper class for getting screen DC (we're working with bitmaps and
-// DIBs here)
-// ----------------------------------------------------------------------------
-
-class ScreenHDC
-{
-public:
- ScreenHDC() { m_hdc = GetDC(NULL); }
- ~ScreenHDC() { ReleaseDC(NULL, m_hdc); }
- operator HDC() const { return m_hdc; }
-
-private:
- HDC m_hdc;
-};
-
// ============================================================================
// implementation
// ============================================================================
pmedium->tymed = TYMED_GDI;
break;
+ case wxDF_ENHMETAFILE:
+ pmedium->tymed = TYMED_ENHMF;
+ break;
+
case wxDF_METAFILE:
+ pmedium->hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE,
+ sizeof(METAFILEPICT));
+ if ( !pmedium->hGlobal ) {
+ wxLogLastError("GlobalAlloc");
+ return E_OUTOFMEMORY;
+ }
pmedium->tymed = TYMED_MFPICT;
break;
hr = GetDataHere(pformatetcIn, pmedium);
if ( FAILED(hr) ) {
// free resources we allocated
- if ( pmedium->tymed == TYMED_HGLOBAL ) {
+ if ( pmedium->tymed & (TYMED_HGLOBAL | TYMED_MFPICT) ) {
GlobalFree(pmedium->hGlobal);
}
return E_UNEXPECTED;
break;
- case TYMED_MFPICT:
- // this should be copied on bitmaps - but I don't have time for
- // this now
- wxFAIL_MSG(wxT("TODO - no support for metafiles in wxDataObject"));
+ case TYMED_ENHMF:
+ if ( !m_pDataObject->GetDataHere(wxDF_ENHMETAFILE,
+ &pmedium->hEnhMetaFile) )
+ return E_UNEXPECTED;
break;
+ case TYMED_MFPICT:
+ // fall through - we pass METAFILEPICT through HGLOBAL
+
case TYMED_HGLOBAL:
{
// copy data
m_pDataObject->SetData(wxDF_BITMAP, 0, &pmedium->hBitmap);
break;
- case TYMED_MFPICT:
- // this should be copied on bitmaps - but I don't have time for
- // this now
- wxFAIL_MSG(wxT("TODO - no support for metafiles in wxDataObject"));
+ case TYMED_ENHMF:
+ m_pDataObject->SetData(wxDF_ENHMETAFILE, 0, &pmedium->hEnhMetaFile);
break;
+ case TYMED_MFPICT:
+ // fall through - we pass METAFILEPICT through HGLOBAL
case TYMED_HGLOBAL:
{
+ wxDataFormat format = pformatetc->cfFormat;
+
+ // this is quite weird, but for file drag and drop, explorer
+ // calls our SetData() with the formats we do *not* support!
+ //
+ // as we can't fix this bug in explorer (it's a bug because it
+ // should only use formats returned by EnumFormatEtc), do the
+ // check here
+ if ( !m_pDataObject->IsSupportedFormat(format) ) {
+ // go away!
+ return DV_E_FORMATETC;
+ }
+
// copy data
void *pBuf = GlobalLock(pmedium->hGlobal);
if ( pBuf == NULL ) {
// synthetise it for known formats and we suppose that all data
// in custom formats starts with a DWORD containing the size
size_t size;
- switch ( pformatetc->cfFormat )
+ switch ( format )
{
case CF_TEXT:
case CF_OEMTEXT:
size = strlen((const char *)pBuf);
break;
-#ifndef __WATCOMC__
+#if !defined(__WATCOMC__) && ! (defined(__BORLANDC__) && (__BORLANDC__ < 0x500))
case CF_UNICODETEXT:
- size = wcslen((const wchar_t *)pBuf);
+ size = ::wcslen((const wchar_t *)pBuf);
break;
#endif
case CF_BITMAP:
size = 0;
break;
+ case CF_METAFILEPICT:
+ size = sizeof(METAFILEPICT);
+ break;
+
default:
{
// we suppose that the size precedes the data
}
}
- wxDataFormat format = pformatetc->cfFormat;
bool ok = m_pDataObject->SetData(format, size, pBuf);
GlobalUnlock(pmedium->hGlobal);
}
if ( fRelease ) {
- // we own the medium, so we must release it - but do *not* free the
- // bitmap handle fi we have it because we have copied it elsewhere
- if ( pmedium->tymed == TYMED_GDI )
+ // we own the medium, so we must release it - but do *not* free any
+ // data we pass by handle because we have copied it elsewhere
+ switch ( pmedium->tymed )
{
- pmedium->hBitmap = 0;
+ case TYMED_GDI:
+ pmedium->hBitmap = 0;
+ break;
+
+ case TYMED_MFPICT:
+ pmedium->hMetaFilePict = 0;
+ break;
+
+ case TYMED_ENHMF:
+ pmedium->hEnhMetaFile = 0;
+ break;
}
ReleaseStgMedium(pmedium);
m_pIDataObject = NULL;
}
-bool wxDataObject::IsSupportedFormat(const wxDataFormat& format) const
-{
- size_t nFormatCount = GetFormatCount();
- if ( nFormatCount == 1 ) {
- return format == GetPreferredFormat();
- }
- else {
- wxDataFormat *formats = new wxDataFormat[nFormatCount];
- GetAllFormats(formats);
+#ifdef __WXDEBUG__
- size_t n;
- for ( n = 0; n < nFormatCount; n++ ) {
- if ( formats[n] == format )
- break;
- }
+const char *wxDataObject::GetFormatName(wxDataFormat format)
+{
+ // case 'xxx' is not a valid value for switch of enum 'wxDataFormat'
+ #ifdef __VISUALC__
+ #pragma warning(disable:4063)
+ #endif // VC++
+
+ static char s_szBuf[256];
+ switch ( format ) {
+ case CF_TEXT: return "CF_TEXT";
+ case CF_BITMAP: return "CF_BITMAP";
+ case CF_METAFILEPICT: return "CF_METAFILEPICT";
+ case CF_SYLK: return "CF_SYLK";
+ case CF_DIF: return "CF_DIF";
+ case CF_TIFF: return "CF_TIFF";
+ case CF_OEMTEXT: return "CF_OEMTEXT";
+ case CF_DIB: return "CF_DIB";
+ case CF_PALETTE: return "CF_PALETTE";
+ case CF_PENDATA: return "CF_PENDATA";
+ case CF_RIFF: return "CF_RIFF";
+ case CF_WAVE: return "CF_WAVE";
+ case CF_UNICODETEXT: return "CF_UNICODETEXT";
+ case CF_ENHMETAFILE: return "CF_ENHMETAFILE";
+ case CF_HDROP: return "CF_HDROP";
+ case CF_LOCALE: return "CF_LOCALE";
- delete [] formats;
+ default:
+ if ( !::GetClipboardFormatName(format, s_szBuf, WXSIZEOF(s_szBuf)) )
+ {
+ // it must be a new predefined format we don't know the name of
+ sprintf(s_szBuf, "unknown CF (0x%04x)", format.GetFormatId());
+ }
- // found?
- return n < nFormatCount;
+ return s_szBuf;
}
-}
-
-#ifdef __WXDEBUG__
-const char *wxDataObject::GetFormatName(wxDataFormat format)
-{
- // case 'xxx' is not a valid value for switch of enum 'wxDataFormat'
- #ifdef __VISUALC__
- #pragma warning(disable:4063)
- #endif // VC++
-
- static char s_szBuf[128];
- switch ( format ) {
- case CF_TEXT: return "CF_TEXT";
- case CF_BITMAP: return "CF_BITMAP";
- case CF_METAFILEPICT: return "CF_METAFILEPICT";
- case CF_SYLK: return "CF_SYLK";
- case CF_DIF: return "CF_DIF";
- case CF_TIFF: return "CF_TIFF";
- case CF_OEMTEXT: return "CF_OEMTEXT";
- case CF_DIB: return "CF_DIB";
- case CF_PALETTE: return "CF_PALETTE";
- case CF_PENDATA: return "CF_PENDATA";
- case CF_RIFF: return "CF_RIFF";
- case CF_WAVE: return "CF_WAVE";
- case CF_UNICODETEXT: return "CF_UNICODETEXT";
- case CF_ENHMETAFILE: return "CF_ENHMETAFILE";
- case CF_HDROP: return "CF_HDROP";
- case CF_LOCALE: return "CF_LOCALE";
- default:
- sprintf(s_szBuf, "clipboard format 0x%x (unknown)", format);
- return s_szBuf;
- }
-
- #ifdef __VISUALC__
- #pragma warning(default:4063)
- #endif // VC++
+ #ifdef __VISUALC__
+ #pragma warning(default:4063)
+ #endif // VC++
}
#endif // Debug
bool wxBitmapDataObject::GetDataHere(void *buf) const
{
- return wxConvertBitmapToDIB((BITMAPINFO *)buf, GetBitmap()) != 0;
+ return wxConvertBitmapToDIB((LPBITMAPINFO)buf, GetBitmap()) != 0;
}
bool wxBitmapDataObject::SetData(size_t len, const void *buf)
{
- wxBitmap bitmap(wxConvertDIBToBitmap((const BITMAPINFO *)buf));
+ wxBitmap bitmap(wxConvertDIBToBitmap((const LPBITMAPINFO)buf));
if ( !bitmap.Ok() ) {
wxFAIL_MSG(wxT("pasting/dropping invalid bitmap"));
return TRUE;
}
-bool wxBitmapDataObject2::SetData(size_t len, const void *pBuf)
+bool wxBitmapDataObject2::SetData(size_t WXUNUSED(len), const void *pBuf)
{
HBITMAP hbmp = *(HBITMAP *)pBuf;
// get number of files (magic value -1)
UINT nFiles = ::DragQueryFile(hdrop, (unsigned)-1, NULL, 0u);
+ wxCHECK_MSG ( nFiles != (UINT)-1, FALSE, wxT("wrong HDROP handle") );
+
// for each file get the length, allocate memory and then get the name
wxString str;
UINT len, n;
}
}
-size_t wxConvertBitmapToDIB(BITMAPINFO *pbi, const wxBitmap& bitmap)
+size_t wxConvertBitmapToDIB(LPBITMAPINFO pbi, const wxBitmap& bitmap)
{
wxASSERT_MSG( bitmap.Ok(), wxT("invalid bmp can't be converted to DIB") );
return dwLen + bi.biSizeImage;
}
-wxBitmap wxConvertDIBToBitmap(const BITMAPINFO *pbmi)
+wxBitmap wxConvertDIBToBitmap(const LPBITMAPINFO pbmi)
{
// here we get BITMAPINFO struct followed by the actual bitmap bits and
// BITMAPINFO starts with BITMAPINFOHEADER followed by colour info
case TYMED_MFPICT: return wxT("TYMED_MFPICT");
case TYMED_ENHMF: return wxT("TYMED_ENHMF");
default:
- wxSprintf(s_szBuf, wxT("type of media format %d (unknown)"), tymed);
+ wxSprintf(s_szBuf, wxT("type of media format %ld (unknown)"), tymed);
return s_szBuf;
}
}
projects / wxWidgets.git / blobdiff