X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c77ae1d950af2a1d3f955fafa6cf652330a7362d..d21d2e5adf7a5acf3b496a9c4e87eab220bd75d8:/src/msw/ole/dataobj.cpp diff --git a/src/msw/ole/dataobj.cpp b/src/msw/ole/dataobj.cpp index a3ca1b1b3c..65151fbf5e 100644 --- a/src/msw/ole/dataobj.cpp +++ b/src/msw/ole/dataobj.cpp @@ -28,8 +28,6 @@ #pragma hdrstop #endif -#if defined(__WIN32__) && !defined(__GNUWIN32_OLD__) - #ifndef WX_PRECOMP #include "wx/intl.h" #include "wx/log.h" @@ -37,9 +35,11 @@ #include "wx/dataobj.h" +#if wxUSE_OLE && defined(__WIN32__) && !defined(__GNUWIN32_OLD__) + #include "wx/msw/private.h" // includes -#ifdef wxUSE_NORLANDER_HEADERS +#if wxUSE_NORLANDER_HEADERS #include #endif #include @@ -55,6 +55,10 @@ #include "wx/msw/dib.h" +#ifndef CFSTR_SHELLURL +#define CFSTR_SHELLURL _T("UniformResourceLocator") +#endif + // ---------------------------------------------------------------------------- // functions // ---------------------------------------------------------------------------- @@ -62,7 +66,7 @@ #ifdef __WXDEBUG__ static const wxChar *GetTymedName(DWORD tymed); #else // !Debug - #define GetTymedName(tymed) "" + #define GetTymedName(tymed) _T("") #endif // Debug/!Debug // ---------------------------------------------------------------------------- @@ -73,13 +77,7 @@ class wxIEnumFORMATETC : public IEnumFORMATETC { 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; } + virtual ~wxIEnumFORMATETC() { delete [] m_formats; } DECLARE_IUNKNOWN_METHODS; @@ -103,13 +101,7 @@ class wxIDataObject : public IDataObject { public: wxIDataObject(wxDataObject *pDataObject); - - // to suppress the gcc warning about "class has virtual functions but non - // virtual dtor" -#ifdef __GNUG__ - virtual -#endif - ~wxIDataObject(); + virtual ~wxIDataObject(); // normally, wxDataObject controls our lifetime (i.e. we're deleted when it // is), but in some cases, the situation is inversed, that is we delete it @@ -145,7 +137,7 @@ private: void wxDataFormat::SetId(const wxChar *format) { - m_format = ::RegisterClipboardFormat(format); + m_format = (wxDataFormat::NativeFormat)::RegisterClipboardFormat(format); if ( !m_format ) { wxLogError(_("Couldn't register clipboard format '%s'."), format); @@ -196,7 +188,7 @@ wxIEnumFORMATETC::wxIEnumFORMATETC(const wxDataFormat *formats, ULONG nCount) STDMETHODIMP wxIEnumFORMATETC::Next(ULONG celt, FORMATETC *rgelt, - ULONG *pceltFetched) + ULONG *WXUNUSED(pceltFetched)) { wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumFORMATETC::Next")); @@ -317,7 +309,7 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) pmedium->hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, sizeof(METAFILEPICT)); if ( !pmedium->hGlobal ) { - wxLogLastError("GlobalAlloc"); + wxLogLastError(wxT("GlobalAlloc")); return E_OUTOFMEMORY; } pmedium->tymed = TYMED_MFPICT; @@ -336,12 +328,14 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) if ( !format.IsStandard() ) { // for custom formats, put the size with the data - alloc the // space for it - size += sizeof(size_t); + // MB: not completely sure this is correct, + // even if I can't figure out what's wrong + size += m_pDataObject->GetBufferOffset( format ); } HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, size); if ( hGlobal == NULL ) { - wxLogLastError("GlobalAlloc"); + wxLogLastError(wxT("GlobalAlloc")); return E_OUTOFMEMORY; } @@ -398,14 +392,12 @@ STDMETHODIMP wxIDataObject::GetDataHere(FORMATETC *pformatetc, return E_OUTOFMEMORY; } - if ( !wxDataFormat(pformatetc->cfFormat).IsStandard() ) { + wxDataFormat format = pformatetc->cfFormat; + if ( !format.IsStandard() ) { // for custom formats, put the size with the data - size_t *p = (size_t *)pBuf; - *p++ = GlobalSize(hGlobal); - pBuf = p; + pBuf = m_pDataObject->SetSizeInBuffer( pBuf, GlobalSize(hGlobal), format ); } - wxDataFormat format = pformatetc->cfFormat; if ( !m_pDataObject->GetDataHere(format, pBuf) ) return E_UNEXPECTED; @@ -455,9 +447,9 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, } // copy data - void *pBuf = GlobalLock(pmedium->hGlobal); + const void *pBuf = GlobalLock(pmedium->hGlobal); if ( pBuf == NULL ) { - wxLogLastError("GlobalLock"); + wxLogLastError(wxT("GlobalLock")); return E_OUTOFMEMORY; } @@ -476,7 +468,12 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, break; #if !defined(__WATCOMC__) && ! (defined(__BORLANDC__) && (__BORLANDC__ < 0x500)) case CF_UNICODETEXT: - size = ::wcslen((const wchar_t *)pBuf); +#if ( defined(__BORLANDC__) && (__BORLANDC__ > 0x530) ) \ + || ( defined(__MWERKS__) && defined(__WXMSW__) ) + size = std::wcslen((const wchar_t *)pBuf) * sizeof(wchar_t); +#else + size = ::wcslen((const wchar_t *)pBuf) * sizeof(wchar_t); +#endif break; #endif case CF_BITMAP: @@ -499,9 +496,11 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, default: { // we suppose that the size precedes the data - size_t *p = (size_t *)pBuf; - size = *p++; - pBuf = p; + pBuf = m_pDataObject->GetSizeFromBuffer( pBuf, &size, format ); + if (! format.IsStandard() ) { + // see GetData for coresponding increment + size -= m_pDataObject->GetBufferOffset( format ); + } } } @@ -603,7 +602,7 @@ STDMETHODIMP wxIDataObject::QueryGetData(FORMATETC *pformatetc) return S_OK; } -STDMETHODIMP wxIDataObject::GetCanonicalFormatEtc(FORMATETC *pFormatetcIn, +STDMETHODIMP wxIDataObject::GetCanonicalFormatEtc(FORMATETC *WXUNUSED(pFormatetcIn), FORMATETC *pFormatetcOut) { wxLogTrace(wxTRACE_OleCalls, wxT("wxIDataObject::GetCanonicalFormatEtc")); @@ -624,7 +623,8 @@ STDMETHODIMP wxIDataObject::EnumFormatEtc(DWORD dwDir, : wxDataObject::Set; size_t nFormatCount = m_pDataObject->GetFormatCount(dir); - wxDataFormat format, *formats; + wxDataFormat format; + wxDataFormat *formats; formats = nFormatCount == 1 ? &format : new wxDataFormat[nFormatCount]; m_pDataObject->GetAllFormats(formats, dir); @@ -643,20 +643,20 @@ STDMETHODIMP wxIDataObject::EnumFormatEtc(DWORD dwDir, // advise sink functions (not implemented) // ---------------------------------------------------------------------------- -STDMETHODIMP wxIDataObject::DAdvise(FORMATETC *pformatetc, - DWORD advf, - IAdviseSink *pAdvSink, - DWORD *pdwConnection) +STDMETHODIMP wxIDataObject::DAdvise(FORMATETC *WXUNUSED(pformatetc), + DWORD WXUNUSED(advf), + IAdviseSink *WXUNUSED(pAdvSink), + DWORD *WXUNUSED(pdwConnection)) { return OLE_E_ADVISENOTSUPPORTED; } -STDMETHODIMP wxIDataObject::DUnadvise(DWORD dwConnection) +STDMETHODIMP wxIDataObject::DUnadvise(DWORD WXUNUSED(dwConnection)) { return OLE_E_ADVISENOTSUPPORTED; } -STDMETHODIMP wxIDataObject::EnumDAdvise(IEnumSTATDATA **ppenumAdvise) +STDMETHODIMP wxIDataObject::EnumDAdvise(IEnumSTATDATA **WXUNUSED(ppenumAdvise)) { return OLE_E_ADVISENOTSUPPORTED; } @@ -685,39 +685,62 @@ void wxDataObject::SetAutoDelete() m_pIDataObject = NULL; } +size_t wxDataObject::GetBufferOffset( const wxDataFormat& format ) +{ + return sizeof(size_t); +} + +const void* wxDataObject::GetSizeFromBuffer( const void* buffer, size_t* size, + const wxDataFormat& format ) +{ + size_t* p = (size_t*)buffer; + *size = *p; + + return p + 1; +} + +void* wxDataObject::SetSizeInBuffer( void* buffer, size_t size, + const wxDataFormat& format ) +{ + size_t* p = (size_t*)buffer; + *p = size; + + return p + 1; +} + #ifdef __WXDEBUG__ -const char *wxDataObject::GetFormatName(wxDataFormat format) +const wxChar *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]; + static wxChar 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"; + case CF_TEXT: return wxT("CF_TEXT"); + case CF_BITMAP: return wxT("CF_BITMAP"); + case CF_METAFILEPICT: return wxT("CF_METAFILEPICT"); + case CF_SYLK: return wxT("CF_SYLK"); + case CF_DIF: return wxT("CF_DIF"); + case CF_TIFF: return wxT("CF_TIFF"); + case CF_OEMTEXT: return wxT("CF_OEMTEXT"); + case CF_DIB: return wxT("CF_DIB"); + case CF_PALETTE: return wxT("CF_PALETTE"); + case CF_PENDATA: return wxT("CF_PENDATA"); + case CF_RIFF: return wxT("CF_RIFF"); + case CF_WAVE: return wxT("CF_WAVE"); + case CF_UNICODETEXT: return wxT("CF_UNICODETEXT"); + case CF_ENHMETAFILE: return wxT("CF_ENHMETAFILE"); + case CF_HDROP: return wxT("CF_HDROP"); + case CF_LOCALE: return wxT("CF_LOCALE"); 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()); + wxSprintf(s_szBuf, wxT("unknown CF (0x%04x)"), format.GetFormatId()); } return s_szBuf; @@ -744,7 +767,7 @@ bool wxBitmapDataObject::GetDataHere(void *buf) const return wxConvertBitmapToDIB((LPBITMAPINFO)buf, GetBitmap()) != 0; } -bool wxBitmapDataObject::SetData(size_t len, const void *buf) +bool wxBitmapDataObject::SetData(size_t WXUNUSED(len), const void *buf) { wxBitmap bitmap(wxConvertDIBToBitmap((const LPBITMAPINFO)buf)); @@ -788,7 +811,7 @@ bool wxBitmapDataObject2::SetData(size_t WXUNUSED(len), const void *pBuf) BITMAP bmp; if ( !GetObject(hbmp, sizeof(BITMAP), &bmp) ) { - wxLogLastError("GetObject(HBITMAP)"); + wxLogLastError(wxT("GetObject(HBITMAP)")); } wxBitmap bitmap(bmp.bmWidth, bmp.bmHeight, bmp.bmPlanes); @@ -823,7 +846,7 @@ size_t wxBitmapDataObject::GetDataSize(const wxDataFormat& format) const if ( !GetDIBits(hdc, (HBITMAP)m_bitmap.GetHBITMAP(), 0, 0, NULL, &bi, DIB_RGB_COLORS) ) { - wxLogLastError("GetDIBits(NULL)"); + wxLogLastError(wxT("GetDIBits(NULL)")); return 0; } @@ -856,7 +879,7 @@ bool wxBitmapDataObject::GetDataHere(const wxDataFormat& format, BITMAPINFO *pbi = (BITMAPINFO *)pBuf; if ( !GetDIBits(hdc, hbmp, 0, 0, NULL, pbi, DIB_RGB_COLORS) ) { - wxLogLastError("GetDIBits(NULL)"); + wxLogLastError(wxT("GetDIBits(NULL)")); return 0; } @@ -865,7 +888,7 @@ bool wxBitmapDataObject::GetDataHere(const wxDataFormat& format, if ( !GetDIBits(hdc, hbmp, 0, pbi->bmiHeader.biHeight, pbi + 1, pbi, DIB_RGB_COLORS) ) { - wxLogLastError("GetDIBits"); + wxLogLastError(wxT("GetDIBits")); return FALSE; } @@ -895,7 +918,7 @@ bool wxBitmapDataObject::SetData(const wxDataFormat& format, pbmi + 1, pbmi, DIB_RGB_COLORS); if ( !hbmp ) { - wxLogLastError("CreateDIBitmap"); + wxLogLastError(wxT("CreateDIBitmap")); } m_bitmap.SetWidth(pbmih->biWidth); @@ -909,7 +932,7 @@ bool wxBitmapDataObject::SetData(const wxDataFormat& format, BITMAP bmp; if ( !GetObject(hbmp, sizeof(BITMAP), &bmp) ) { - wxLogLastError("GetObject(HBITMAP)"); + wxLogLastError(wxT("GetObject(HBITMAP)")); } m_bitmap.SetWidth(bmp.bmWidth); @@ -959,8 +982,8 @@ bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *pData) m_filenames.Add(str); if ( len2 != len - 1 ) { - wxLogDebug(wxT("In wxFileDropTarget::OnDrop DragQueryFile returned" - " %d characters, %d expected."), len2, len - 1); + wxLogDebug(wxT("In wxFileDropTarget::OnDrop DragQueryFile returned\ + %d characters, %d expected."), len2, len - 1); } } @@ -1032,11 +1055,98 @@ bool wxFileDataObject::GetDataHere(void *pData) const *pbuf++ = wxT('\0'); } - *pbuf = wxT('\0'); // add final null terminator + // add final null terminator + *pbuf = wxT('\0'); return TRUE; } +// ---------------------------------------------------------------------------- +// wxURLDataObject +// ---------------------------------------------------------------------------- + +class CFSTR_SHELLURLDataObject:public wxCustomDataObject +{ +public: + CFSTR_SHELLURLDataObject() : wxCustomDataObject(CFSTR_SHELLURL) {} +protected: + virtual size_t GetBufferOffset( const wxDataFormat& format ) + { + return 0; + } + + virtual const void* GetSizeFromBuffer( const void* buffer, size_t* size, + const wxDataFormat& format ) + { + // CFSTR_SHELLURL is _always_ ANSI text + *size = strlen( (const char*)buffer ); + + return buffer; + } + + virtual void* SetSizeInBuffer( void* buffer, size_t size, + const wxDataFormat& format ) + { + return buffer; + } +#if wxUSE_UNICODE + virtual bool GetDataHere( void* buffer ) const + { + // CFSTR_SHELLURL is _always_ ANSI! + wxCharBuffer char_buffer( GetDataSize() ); + wxCustomDataObject::GetDataHere( (void*)char_buffer.data() ); + wxString unicode_buffer( char_buffer ); + memcpy( buffer, unicode_buffer.c_str(), + ( unicode_buffer.length() + 1 ) * sizeof(wxChar) ); + + return TRUE; + } +#endif +}; + +wxURLDataObject::wxURLDataObject() +{ + // we support CF_TEXT and CFSTR_SHELLURL formats which are basicly the same + // but it seems that some browsers only provide one of them so we have to + // support both + Add(new wxTextDataObject); + Add(new CFSTR_SHELLURLDataObject()); + + // we don't have any data yet + m_dataObjectLast = NULL; +} + +bool wxURLDataObject::SetData(const wxDataFormat& format, + size_t len, + const void *buf) +{ + m_dataObjectLast = GetObject(format); + + wxCHECK_MSG( m_dataObjectLast, FALSE, + wxT("unsupported format in wxURLDataObject")); + + return m_dataObjectLast->SetData(len, buf); +} + +wxString wxURLDataObject::GetURL() const +{ + wxString url; + wxCHECK_MSG( m_dataObjectLast, url, _T("no data in wxURLDataObject") ); + + size_t len = m_dataObjectLast->GetDataSize(); + + m_dataObjectLast->GetDataHere(url.GetWriteBuf(len)); + url.UngetWriteBuf(); + + return url; +} + +void wxURLDataObject::SetURL(const wxString& url) +{ + SetData(wxDataFormat(wxDF_TEXT), url.Length()+1, url.c_str()); + SetData(wxDataFormat(CFSTR_SHELLURL), url.Length()+1, url.c_str()); +} + // ---------------------------------------------------------------------------- // private functions // ---------------------------------------------------------------------------- @@ -1083,7 +1193,7 @@ size_t wxConvertBitmapToDIB(LPBITMAPINFO pbi, const wxBitmap& bitmap) HBITMAP hbmp = (HBITMAP)bitmap.GetHBITMAP(); if ( !GetObject(hbmp, sizeof(bm), &bm) ) { - wxLogLastError("GetObject(bitmap)"); + wxLogLastError(wxT("GetObject(bitmap)")); return 0; } @@ -1091,7 +1201,7 @@ size_t wxConvertBitmapToDIB(LPBITMAPINFO pbi, const wxBitmap& bitmap) // calculate the number of bits per pixel and the number of items in // bmiColors array (whose meaning depends on the bitmap format) WORD biBits = bm.bmPlanes * bm.bmBitsPixel; - WORD biColors = wxGetNumOfBitmapColors(biBits); + WORD biColors = (WORD)wxGetNumOfBitmapColors(biBits); BITMAPINFO bi2; @@ -1121,7 +1231,7 @@ size_t wxConvertBitmapToDIB(LPBITMAPINFO pbi, const wxBitmap& bitmap) ScreenHDC hdc; if ( !GetDIBits(hdc, hbmp, 0, bi.biHeight, NULL, pbi, DIB_RGB_COLORS) ) { - wxLogLastError("GetDIBits(NULL)"); + wxLogLastError(wxT("GetDIBits(NULL)")); return 0; } @@ -1136,7 +1246,7 @@ size_t wxConvertBitmapToDIB(LPBITMAPINFO pbi, const wxBitmap& bitmap) void *image = (char *)pbi + dwLen; if ( !GetDIBits(hdc, hbmp, 0, bi.biHeight, image, pbi, DIB_RGB_COLORS) ) { - wxLogLastError("GetDIBits"); + wxLogLastError(wxT("GetDIBits")); return 0; } @@ -1150,8 +1260,15 @@ wxBitmap wxConvertDIBToBitmap(const LPBITMAPINFO pbmi) // BITMAPINFO starts with BITMAPINFOHEADER followed by colour info const BITMAPINFOHEADER *pbmih = &pbmi->bmiHeader; + // biClrUsed has the number of colors, unless it's 0 + int numColors = pbmih->biClrUsed; + if (numColors==0) + { + numColors = wxGetNumOfBitmapColors(pbmih->biBitCount); + } + // offset of image from the beginning of the header - DWORD ofs = wxGetNumOfBitmapColors(pbmih->biBitCount) * sizeof(RGBQUAD); + DWORD ofs = numColors * sizeof(RGBQUAD); void *image = (char *)pbmih + sizeof(BITMAPINFOHEADER) + ofs; ScreenHDC hdc; @@ -1159,7 +1276,7 @@ wxBitmap wxConvertDIBToBitmap(const LPBITMAPINFO pbmi) image, pbmi, DIB_RGB_COLORS); if ( !hbmp ) { - wxLogLastError("CreateDIBitmap"); + wxLogLastError(wxT("CreateDIBitmap")); } wxBitmap bitmap(pbmih->biWidth, pbmih->biHeight, pbmih->biBitCount); @@ -1182,12 +1299,36 @@ static const wxChar *GetTymedName(DWORD tymed) 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; } } #endif // Debug -#endif // not using OLE at all +#else // not using OLE at all +// ---------------------------------------------------------------------------- +// wxDataObject +// ---------------------------------------------------------------------------- + +wxDataObject::wxDataObject() +{ +} + +wxDataObject::~wxDataObject() +{ +} + +void wxDataObject::SetAutoDelete() +{ +} + +#ifdef __WXDEBUG__ +const wxChar *wxDataObject::GetFormatName(wxDataFormat format) +{ + return NULL; +} +#endif + +#endif