X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dd10a6469643932f22cd6c8e7e63a79d4b57ef50..c2c767d34caa038f67db551698fdcc2561ed230c:/src/msw/ole/dataobj.cpp diff --git a/src/msw/ole/dataobj.cpp b/src/msw/ole/dataobj.cpp index 3b9306f742..9af22753cf 100644 --- a/src/msw/ole/dataobj.cpp +++ b/src/msw/ole/dataobj.cpp @@ -18,27 +18,28 @@ // ---------------------------------------------------------------------------- #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 -#ifdef wxUSE_NORLANDER_HEADERS +#include "wx/msw/private.h" // includes + +#if wxUSE_NORLANDER_HEADERS #include #endif #include @@ -50,7 +51,9 @@ #include -#include "wx/msw/ole/oleutils.h" +#include "wx/msw/ole/oleutils.h" + +#include "wx/msw/dib.h" // ---------------------------------------------------------------------------- // functions @@ -62,10 +65,6 @@ #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 // ---------------------------------------------------------------------------- @@ -74,7 +73,7 @@ class wxIEnumFORMATETC : public IEnumFORMATETC { public: wxIEnumFORMATETC(const wxDataFormat* formats, ULONG nCount); - ~wxIEnumFORMATETC() { delete [] m_formats; } + virtual ~wxIEnumFORMATETC() { delete [] m_formats; } DECLARE_IUNKNOWN_METHODS; @@ -98,7 +97,7 @@ class wxIDataObject : public IDataObject { public: wxIDataObject(wxDataObject *pDataObject); - ~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 @@ -124,22 +123,6 @@ private: 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 // ============================================================================ @@ -150,7 +133,7 @@ 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); @@ -201,7 +184,7 @@ 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")); @@ -314,7 +297,17 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) 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(wxT("GlobalAlloc")); + return E_OUTOFMEMORY; + } pmedium->tymed = TYMED_MFPICT; break; @@ -336,7 +329,7 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, size); if ( hGlobal == NULL ) { - wxLogLastError("GlobalAlloc"); + wxLogLastError(wxT("GlobalAlloc")); return E_OUTOFMEMORY; } @@ -351,7 +344,7 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) 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); } @@ -374,12 +367,15 @@ STDMETHODIMP wxIDataObject::GetDataHere(FORMATETC *pformatetc, 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 @@ -425,18 +421,31 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, 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 ) { - wxLogLastError("GlobalLock"); + wxLogLastError(wxT("GlobalLock")); return E_OUTOFMEMORY; } @@ -447,15 +456,19 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, // 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); +#if (defined(__BORLANDC__) && (__BORLANDC__ > 0x530)) + size = std::wcslen((const wchar_t *)pBuf); +#else + size = ::wcslen((const wchar_t *)pBuf); +#endif break; #endif case CF_BITMAP: @@ -471,16 +484,23 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, size = 0; break; + case CF_METAFILEPICT: + size = sizeof(METAFILEPICT); + break; + default: { // we suppose that the size precedes the data size_t *p = (size_t *)pBuf; size = *p++; pBuf = p; + if (! format.IsStandard() ) { + // see GetData for coresponding increment + size -= sizeof(size_t); + } } } - wxDataFormat format = pformatetc->cfFormat; bool ok = m_pDataObject->SetData(format, size, pBuf); GlobalUnlock(pmedium->hGlobal); @@ -496,11 +516,21 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, } 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); @@ -569,7 +599,7 @@ 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")); @@ -590,7 +620,8 @@ 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); @@ -609,20 +640,20 @@ 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; } @@ -651,64 +682,47 @@ void wxDataObject::SetAutoDelete() 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 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 wxChar s_szBuf[256]; + switch ( format ) { + 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"); - 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 + wxSprintf(s_szBuf, wxT("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 @@ -724,12 +738,12 @@ size_t wxBitmapDataObject::GetDataSize() const 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) +bool wxBitmapDataObject::SetData(size_t WXUNUSED(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")); @@ -764,14 +778,14 @@ bool wxBitmapDataObject2::GetDataHere(void *pBuf) const 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; BITMAP bmp; if ( !GetObject(hbmp, sizeof(BITMAP), &bmp) ) { - wxLogLastError("GetObject(HBITMAP)"); + wxLogLastError(wxT("GetObject(HBITMAP)")); } wxBitmap bitmap(bmp.bmWidth, bmp.bmHeight, bmp.bmPlanes); @@ -806,7 +820,7 @@ 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; } @@ -839,7 +853,7 @@ 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; } @@ -848,7 +862,7 @@ 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; } @@ -878,7 +892,7 @@ bool wxBitmapDataObject::SetData(const wxDataFormat& format, pbmi + 1, pbmi, DIB_RGB_COLORS); if ( !hbmp ) { - wxLogLastError("CreateDIBitmap"); + wxLogLastError(wxT("CreateDIBitmap")); } m_bitmap.SetWidth(pbmih->biWidth); @@ -892,7 +906,7 @@ 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); @@ -928,6 +942,8 @@ bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *pData) // 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; @@ -940,8 +956,8 @@ 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); } } @@ -1001,7 +1017,7 @@ bool wxFileDataObject::GetDataHere(void *pData) const #endif // Unicode/Ansi // set start of filenames list (null separated) - wxChar *pbuf = (BYTE *)pDrop + sizeof(DROPFILES); + wxChar *pbuf = (wxChar*) ((BYTE *)pDrop + sizeof(DROPFILES)); size_t count = m_filenames.GetCount(); for (size_t i = 0; i < count; i++ ) @@ -1051,7 +1067,7 @@ static size_t wxGetNumOfBitmapColors(size_t bitsPerPixel) } } -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") ); @@ -1064,7 +1080,7 @@ size_t wxConvertBitmapToDIB(BITMAPINFO *pbi, const wxBitmap& bitmap) HBITMAP hbmp = (HBITMAP)bitmap.GetHBITMAP(); if ( !GetObject(hbmp, sizeof(bm), &bm) ) { - wxLogLastError("GetObject(bitmap)"); + wxLogLastError(wxT("GetObject(bitmap)")); return 0; } @@ -1072,7 +1088,7 @@ size_t wxConvertBitmapToDIB(BITMAPINFO *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; @@ -1102,7 +1118,7 @@ size_t wxConvertBitmapToDIB(BITMAPINFO *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; } @@ -1117,7 +1133,7 @@ size_t wxConvertBitmapToDIB(BITMAPINFO *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; } @@ -1125,7 +1141,7 @@ size_t wxConvertBitmapToDIB(BITMAPINFO *pbi, const wxBitmap& bitmap) 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 @@ -1140,7 +1156,7 @@ wxBitmap wxConvertDIBToBitmap(const BITMAPINFO *pbmi) image, pbmi, DIB_RGB_COLORS); if ( !hbmp ) { - wxLogLastError("CreateDIBitmap"); + wxLogLastError(wxT("CreateDIBitmap")); } wxBitmap bitmap(pbmih->biWidth, pbmih->biHeight, pbmih->biBitCount); @@ -1163,7 +1179,7 @@ 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; } }