X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8b85d24e4cc885263d3bb72bd36a759fbd25631d..cef55d6485619c56fb7af4c2cc23e8bbcb86b74f:/src/msw/ole/dataobj.cpp diff --git a/src/msw/ole/dataobj.cpp b/src/msw/ole/dataobj.cpp index 90e8ab88cb..408a2599b9 100644 --- a/src/msw/ole/dataobj.cpp +++ b/src/msw/ole/dataobj.cpp @@ -6,7 +6,7 @@ // Created: 10.05.98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,40 +17,43 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #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 + #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 +#if wxUSE_OLE && defined(__WIN32__) && !defined(__GNUWIN32_OLD__) + +#include "wx/msw/private.h" // includes + +#ifdef __WXWINCE__ +#include #endif -#include -#ifndef __WIN32__ +// for some compilers, the entire ole2.h must be included, not only oleauto.h +#if wxUSE_NORLANDER_HEADERS || defined(__WATCOMC__) || defined(__WXWINCE__) #include - #include #endif +#include #include -#include "wx/msw/ole/oleutils.h" +#include "wx/msw/ole/oleutils.h" + +#include "wx/msw/dib.h" + +#ifndef CFSTR_SHELLURL +#define CFSTR_SHELLURL _T("UniformResourceLocator") +#endif // ---------------------------------------------------------------------------- // functions @@ -59,13 +62,9 @@ #ifdef __WXDEBUG__ static const wxChar *GetTymedName(DWORD tymed); #else // !Debug - #define GetTymedName(tymed) "" + #define GetTymedName(tymed) wxEmptyString #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 // ---------------------------------------------------------------------------- @@ -74,9 +73,7 @@ class wxIEnumFORMATETC : public IEnumFORMATETC { public: wxIEnumFORMATETC(const wxDataFormat* formats, ULONG nCount); - ~wxIEnumFORMATETC() { delete [] m_formats; } - - DECLARE_IUNKNOWN_METHODS; + virtual ~wxIEnumFORMATETC() { delete [] m_formats; } // IEnumFORMATETC STDMETHODIMP Next(ULONG celt, FORMATETC *rgelt, ULONG *pceltFetched); @@ -84,10 +81,14 @@ public: STDMETHODIMP Reset(); STDMETHODIMP Clone(IEnumFORMATETC **ppenum); + DECLARE_IUNKNOWN_METHODS; + private: CLIPFORMAT *m_formats; // formats we can provide data in ULONG m_nCount, // number of formats we support m_nCurrent; // current enum position + + DECLARE_NO_COPY_CLASS(wxIEnumFORMATETC) }; // ---------------------------------------------------------------------------- @@ -98,14 +99,12 @@ 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 + // is), but in some cases, the situation is reversed, that is we delete it // when this object is deleted - setting this flag enables such logic - void SetDeleteFlag() { m_mustDelete = TRUE; } - - DECLARE_IUNKNOWN_METHODS; + void SetDeleteFlag() { m_mustDelete = true; } // IDataObject STDMETHODIMP GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium); @@ -118,26 +117,14 @@ public: STDMETHODIMP DUnadvise(DWORD dwConnection); STDMETHODIMP EnumDAdvise(IEnumSTATDATA **ppenumAdvise); + DECLARE_IUNKNOWN_METHODS; + private: wxDataObject *m_pDataObject; // pointer to C++ class we belong to 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; + DECLARE_NO_COPY_CLASS(wxIDataObject) }; // ============================================================================ @@ -150,7 +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); @@ -166,8 +153,7 @@ wxString wxDataFormat::GetId() const wxCHECK_MSG( !IsStandard(), s, wxT("name of predefined format cannot be retrieved") ); - int len = ::GetClipboardFormatName(m_format, s.GetWriteBuf(max), max); - s.UngetWriteBuf(); + int len = ::GetClipboardFormatName(m_format, wxStringBuffer(s, max), max); if ( !len ) { @@ -190,7 +176,6 @@ IMPLEMENT_IUNKNOWN_METHODS(wxIEnumFORMATETC) wxIEnumFORMATETC::wxIEnumFORMATETC(const wxDataFormat *formats, ULONG nCount) { - m_cRef = 0; m_nCurrent = 0; m_nCount = nCount; m_formats = new CLIPFORMAT[nCount]; @@ -205,27 +190,23 @@ STDMETHODIMP wxIEnumFORMATETC::Next(ULONG celt, { wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumFORMATETC::Next")); - if ( celt > 1 ) { - // we only return 1 element at a time - mainly because I'm too lazy to - // implement something which you're never asked for anyhow - return S_FALSE; - } - - if ( m_nCurrent < m_nCount ) { + ULONG numFetched = 0; + while (m_nCurrent < m_nCount && numFetched < celt) { FORMATETC format; format.cfFormat = m_formats[m_nCurrent++]; format.ptd = NULL; format.dwAspect = DVASPECT_CONTENT; format.lindex = -1; format.tymed = TYMED_HGLOBAL; - *rgelt = format; - return S_OK; - } - else { - // bad index - return S_FALSE; + *rgelt++ = format; + numFetched++; } + + if (pceltFetched) + *pceltFetched = numFetched; + + return numFetched == celt ? S_OK : S_FALSE; } STDMETHODIMP wxIEnumFORMATETC::Skip(ULONG celt) @@ -281,9 +262,8 @@ IMPLEMENT_IUNKNOWN_METHODS(wxIDataObject) wxIDataObject::wxIDataObject(wxDataObject *pDataObject) { - m_cRef = 0; m_pDataObject = pDataObject; - m_mustDelete = FALSE; + m_mustDelete = false; } wxIDataObject::~wxIDataObject() @@ -306,7 +286,7 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) // for the bitmaps and metafiles we use the handles instead of global memory // to pass the data - wxDataFormat format = (wxDataFormatId)pformatetcIn->cfFormat; + wxDataFormat format = (wxDataFormat::NativeFormat)pformatetcIn->cfFormat; switch ( format ) { @@ -314,10 +294,21 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) pmedium->tymed = TYMED_GDI; break; + case wxDF_ENHMETAFILE: + pmedium->tymed = TYMED_ENHMF; + break; + +#ifndef __WXWINCE__ 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; - +#endif default: // alloc memory size_t size = m_pDataObject->GetDataSize(format); @@ -328,15 +319,12 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) return DV_E_FORMATETC; } - if ( !format.IsStandard() ) { - // for custom formats, put the size with the data - alloc the - // space for it - size += sizeof(size_t); - } + // we may need extra space for the buffer size + size += m_pDataObject->GetBufferOffset( format ); HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, size); if ( hGlobal == NULL ) { - wxLogLastError("GlobalAlloc"); + wxLogLastError(wxT("GlobalAlloc")); return E_OUTOFMEMORY; } @@ -351,7 +339,7 @@ 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 +362,15 @@ 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 @@ -390,14 +381,16 @@ STDMETHODIMP wxIDataObject::GetDataHere(FORMATETC *pformatetc, return E_OUTOFMEMORY; } - if ( !wxDataFormat(pformatetc->cfFormat).IsStandard() ) { - // for custom formats, put the size with the data - size_t *p = (size_t *)pBuf; - *p++ = GlobalSize(hGlobal); - pBuf = p; - } - wxDataFormat format = pformatetc->cfFormat; + + // possibly put the size in the beginning of the buffer + pBuf = m_pDataObject->SetSizeInBuffer + ( + pBuf, + ::GlobalSize(hGlobal), + format + ); + if ( !m_pDataObject->GetDataHere(format, pBuf) ) return E_UNEXPECTED; @@ -412,6 +405,7 @@ STDMETHODIMP wxIDataObject::GetDataHere(FORMATETC *pformatetc, return S_OK; } + // set data functions STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, STGMEDIUM *pmedium, @@ -425,18 +419,31 @@ 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->IsSupported(format, wxDataObject::Set) ) { + // go away! + return DV_E_FORMATETC; + } + // copy data - void *pBuf = GlobalLock(pmedium->hGlobal); + const void *pBuf = GlobalLock(pmedium->hGlobal); if ( pBuf == NULL ) { - wxLogLastError("GlobalLock"); + wxLogLastError(wxT("GlobalLock")); return E_OUTOFMEMORY; } @@ -447,23 +454,30 @@ 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(__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 = wxWcslen((const wchar_t *)pBuf) * sizeof(wchar_t); +#endif break; #endif case CF_BITMAP: +#ifndef __WXWINCE__ case CF_HDROP: // these formats don't use size at all, anyhow (but // pass data by handle, which is always a single DWORD) size = 0; break; +#endif case CF_DIB: // the handler will calculate size itself (it's too @@ -471,16 +485,17 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, size = 0; break; +#ifndef __WXWINCE__ + case CF_METAFILEPICT: + size = sizeof(METAFILEPICT); + break; +#endif 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); + size -= m_pDataObject->GetBufferOffset(format); } - wxDataFormat format = pformatetc->cfFormat; bool ok = m_pDataObject->SetData(format, size, pBuf); GlobalUnlock(pmedium->hGlobal); @@ -496,11 +511,21 @@ 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); @@ -523,7 +548,7 @@ STDMETHODIMP wxIDataObject::QueryGetData(FORMATETC *pformatetc) // the only one allowed by current COM implementation if ( pformatetc->lindex != -1 ) { wxLogTrace(wxTRACE_OleCalls, - wxT("wxIDataObject::QueryGetData: bad lindex %d"), + wxT("wxIDataObject::QueryGetData: bad lindex %ld"), pformatetc->lindex); return DV_E_LINDEX; @@ -532,7 +557,7 @@ STDMETHODIMP wxIDataObject::QueryGetData(FORMATETC *pformatetc) // we don't support anything other (THUMBNAIL, ICON, DOCPRINT...) if ( pformatetc->dwAspect != DVASPECT_CONTENT ) { wxLogTrace(wxTRACE_OleCalls, - wxT("wxIDataObject::QueryGetData: bad dwAspect %d"), + wxT("wxIDataObject::QueryGetData: bad dwAspect %ld"), pformatetc->dwAspect); return DV_E_DVASPECT; @@ -569,7 +594,7 @@ 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")); @@ -589,8 +614,9 @@ STDMETHODIMP wxIDataObject::EnumFormatEtc(DWORD dwDir, wxDataObject::Direction dir = dwDir == DATADIR_GET ? wxDataObject::Get : wxDataObject::Set; - size_t nFormatCount = m_pDataObject->GetFormatCount(dir); - wxDataFormat format, *formats; + ULONG nFormatCount = wx_truncate_cast(ULONG, m_pDataObject->GetFormatCount(dir)); + wxDataFormat format; + wxDataFormat *formats; formats = nFormatCount == 1 ? &format : new wxDataFormat[nFormatCount]; m_pDataObject->GetAllFormats(formats, dir); @@ -609,20 +635,20 @@ 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 +677,95 @@ void wxDataObject::SetAutoDelete() m_pIDataObject = NULL; } -bool wxDataObject::IsSupportedFormat(const wxDataFormat& format) const +size_t wxDataObject::GetBufferOffset(const wxDataFormat& format ) +{ + // if we prepend the size of the data to the buffer itself, account for it + return NeedsVerbatimData(format) ? 0 : sizeof(size_t); +} + +const void* wxDataObject::GetSizeFromBuffer( const void* buffer, size_t* size, + const wxDataFormat& format ) { - size_t nFormatCount = GetFormatCount(); - if ( nFormatCount == 1 ) { - return format == GetPreferredFormat(); + size_t realsz = ::HeapSize(::GetProcessHeap(), 0, buffer); + if ( realsz == (size_t)-1 ) + { + // note that HeapSize() does not set last error + wxLogApiError(wxT("HeapSize"), 0); + return NULL; } - else { - wxDataFormat *formats = new wxDataFormat[nFormatCount]; - GetAllFormats(formats); - size_t n; - for ( n = 0; n < nFormatCount; n++ ) { - if ( formats[n] == format ) - break; - } + *size = realsz; - delete [] formats; + // check if this data has its size prepended (as it was by default for wx + // programs prior 2.6.3): + size_t *p = (size_t *)buffer; + if ( *p == realsz ) + { + if ( NeedsVerbatimData(format) ) + wxLogDebug(wxT("Apparent data format mismatch: size not needed")); - // found? - return n < nFormatCount; + p++; // this data has its size prepended; skip first DWORD } + + return p; +} + +void* wxDataObject::SetSizeInBuffer( void* buffer, size_t size, + const wxDataFormat& format ) +{ + size_t* p = (size_t *)buffer; + if ( !NeedsVerbatimData(format) ) + { + // prepend the size to the data and skip it + *p++ = size; + } + + return p; } #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[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++ + // 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_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"); +#ifndef __WXWINCE__ + case CF_METAFILEPICT: return wxT("CF_METAFILEPICT"); + case CF_ENHMETAFILE: return wxT("CF_ENHMETAFILE"); + case CF_LOCALE: return wxT("CF_LOCALE"); + case CF_HDROP: return wxT("CF_HDROP"); +#endif + + 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()); + } + + return s_szBuf; + } + + #ifdef __VISUALC__ + #pragma warning(default:4063) + #endif // VC++ } #endif // Debug @@ -717,29 +774,51 @@ const char *wxDataObject::GetFormatName(wxDataFormat format) // wxBitmapDataObject supports CF_DIB format // ---------------------------------------------------------------------------- +// TODO: support CF_DIB under Windows CE as well + size_t wxBitmapDataObject::GetDataSize() const { - return wxConvertBitmapToDIB(NULL, GetBitmap()); +#if wxUSE_WXDIB && !defined(__WXWINCE__) + return wxDIB::ConvertFromBitmap(NULL, GetHbitmapOf(GetBitmap())); +#else + return 0; +#endif } bool wxBitmapDataObject::GetDataHere(void *buf) const { - return wxConvertBitmapToDIB((BITMAPINFO *)buf, GetBitmap()) != 0; +#if wxUSE_WXDIB && !defined(__WXWINCE__) + BITMAPINFO * const pbi = (BITMAPINFO *)buf; + + return wxDIB::ConvertFromBitmap(pbi, GetHbitmapOf(GetBitmap())) != 0; +#else + wxUnusedVar(buf); + return false; +#endif } -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)); +#if wxUSE_WXDIB && !defined(__WXWINCE__) + const BITMAPINFO * const pbmi = (const BITMAPINFO *)buf; - if ( !bitmap.Ok() ) { - wxFAIL_MSG(wxT("pasting/dropping invalid bitmap")); + HBITMAP hbmp = wxDIB::ConvertToBitmap(pbmi); - return FALSE; - } + wxCHECK_MSG( hbmp, FALSE, wxT("pasting/dropping invalid bitmap") ); + + const BITMAPINFOHEADER * const pbmih = &pbmi->bmiHeader; + wxBitmap bitmap(pbmih->biWidth, pbmih->biHeight, pbmih->biBitCount); + bitmap.SetHBITMAP((WXHBITMAP)hbmp); + + // TODO: create wxPalette if the bitmap has any SetBitmap(bitmap); - return TRUE; + return true; +#else + wxUnusedVar(buf); + return false; +#endif } // ---------------------------------------------------------------------------- @@ -761,17 +840,17 @@ bool wxBitmapDataObject2::GetDataHere(void *pBuf) const // we put a bitmap handle into pBuf *(WXHBITMAP *)pBuf = GetBitmap().GetHBITMAP(); - return TRUE; + 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); @@ -780,12 +859,12 @@ bool wxBitmapDataObject2::SetData(size_t len, const void *pBuf) if ( !bitmap.Ok() ) { wxFAIL_MSG(wxT("pasting/dropping invalid bitmap")); - return FALSE; + return false; } SetBitmap(bitmap); - return TRUE; + return true; } #if 0 @@ -806,7 +885,7 @@ 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 +918,7 @@ 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; } @@ -848,9 +927,9 @@ 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; + return false; } } else // CF_BITMAP @@ -859,7 +938,7 @@ bool wxBitmapDataObject::GetDataHere(const wxDataFormat& format, *(HBITMAP *)pBuf = hbmp; } - return TRUE; + return true; } bool wxBitmapDataObject::SetData(const wxDataFormat& format, @@ -878,7 +957,7 @@ 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 +971,7 @@ 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); @@ -904,7 +983,7 @@ bool wxBitmapDataObject::SetData(const wxDataFormat& format, wxASSERT_MSG( m_bitmap.Ok(), wxT("pasting invalid bitmap") ); - return TRUE; + return true; } #endif // 0 @@ -913,8 +992,10 @@ bool wxBitmapDataObject::SetData(const wxDataFormat& format, // wxFileDataObject // ---------------------------------------------------------------------------- -bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *pData) +bool wxFileDataObject::SetData(size_t WXUNUSED(size), + const void *WXUNUSED_IN_WINCE(pData)) { +#ifndef __WXWINCE__ m_filenames.Empty(); // the documentation states that the first member of DROPFILES structure is @@ -928,6 +1009,8 @@ 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; @@ -935,17 +1018,19 @@ bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *pData) // +1 for terminating NUL len = ::DragQueryFile(hdrop, n, NULL, 0) + 1; - UINT len2 = ::DragQueryFile(hdrop, n, str.GetWriteBuf(len), len); - str.UngetWriteBuf(); + UINT len2 = ::DragQueryFile(hdrop, n, wxStringBuffer(str, len), len); 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); } } - return TRUE; + return true; +#else + return false; +#endif } void wxFileDataObject::AddFile(const wxString& file) @@ -958,189 +1043,177 @@ void wxFileDataObject::AddFile(const wxString& file) size_t wxFileDataObject::GetDataSize() const { +#ifndef __WXWINCE__ // size returned will be the size of the DROPFILES structure, // plus the list of filesnames (null byte separated), plus // a double null at the end // if no filenames in list, size is 0 - if (m_filenames.GetCount() == 0) return 0; + if ( m_filenames.GetCount() == 0 ) + return 0; // inital size of DROPFILES struct + null byte - size_t sz = sizeof(DROPFILES) + 1; + size_t sz = sizeof(DROPFILES) + (1 * sizeof(wxChar)); - int i; - for (i=0; ipFiles = sizeof(DROPFILES); - pDrop->fNC = FALSE; + pDrop->fNC = FALSE; // not non-client coords +#if wxUSE_UNICODE + pDrop->fWide = TRUE; +#else // ANSI pDrop->fWide = FALSE; +#endif // Unicode/Ansi // set start of filenames list (null separated) - char *pbuf = (char*)pDrop + sizeof(DROPFILES); + wxChar *pbuf = (wxChar*) ((BYTE *)pDrop + sizeof(DROPFILES)); - size_t i; - for (i=0; ibmiHeader; - - bi.biSize = sizeof(BITMAPINFOHEADER); - bi.biWidth = bm.bmWidth; - bi.biHeight = bm.bmHeight; - bi.biPlanes = 1; - bi.biBitCount = biBits; - bi.biCompression = BI_RGB; - bi.biSizeImage = 0; - bi.biXPelsPerMeter = 0; - bi.biYPelsPerMeter = 0; - bi.biClrUsed = 0; - bi.biClrImportant = 0; - - // memory we need for BITMAPINFO only - DWORD dwLen = bi.biSize + biColors * sizeof(RGBQUAD); - - // first get the image size - ScreenHDC hdc; - if ( !GetDIBits(hdc, hbmp, 0, bi.biHeight, NULL, pbi, DIB_RGB_COLORS) ) + virtual const void* GetSizeFromBuffer( const void* buffer, size_t* size, + const wxDataFormat& WXUNUSED(format) ) { - wxLogLastError("GetDIBits(NULL)"); + // CFSTR_SHELLURL is _always_ ANSI text + *size = strlen( (const char*)buffer ); - return 0; + return buffer; } - if ( wantSizeOnly ) + virtual void* SetSizeInBuffer( void* buffer, size_t WXUNUSED(size), + const wxDataFormat& WXUNUSED(format) ) { - // size of the header + size of the image - return dwLen + bi.biSizeImage; + return buffer; } - // and now copy the bits - void *image = (char *)pbi + dwLen; - if ( !GetDIBits(hdc, hbmp, 0, bi.biHeight, image, pbi, DIB_RGB_COLORS) ) +#if wxUSE_UNICODE + virtual bool GetDataHere( void* buffer ) const { - wxLogLastError("GetDIBits"); - - return 0; + // CFSTR_SHELLURL is _always_ ANSI! + wxCharBuffer char_buffer( GetDataSize() ); + wxCustomDataObject::GetDataHere( (void*)char_buffer.data() ); + wxString unicode_buffer( char_buffer, wxConvLibc ); + memcpy( buffer, unicode_buffer.c_str(), + ( unicode_buffer.length() + 1 ) * sizeof(wxChar) ); + + return true; } + virtual bool GetDataHere(const wxDataFormat& WXUNUSED(format), + void *buf) const + { return GetDataHere(buf); } +#endif + + DECLARE_NO_COPY_CLASS(CFSTR_SHELLURLDataObject) +}; + + - return dwLen + bi.biSizeImage; +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; } -wxBitmap wxConvertDIBToBitmap(const BITMAPINFO *pbmi) +bool wxURLDataObject::SetData(const wxDataFormat& format, + size_t len, + const void *buf) { - // here we get BITMAPINFO struct followed by the actual bitmap bits and - // BITMAPINFO starts with BITMAPINFOHEADER followed by colour info - const BITMAPINFOHEADER *pbmih = &pbmi->bmiHeader; - - // offset of image from the beginning of the header - DWORD ofs = wxGetNumOfBitmapColors(pbmih->biBitCount) * sizeof(RGBQUAD); - void *image = (char *)pbmih + sizeof(BITMAPINFOHEADER) + ofs; - - ScreenHDC hdc; - HBITMAP hbmp = CreateDIBitmap(hdc, pbmih, CBM_INIT, - image, pbmi, DIB_RGB_COLORS); - if ( !hbmp ) - { - wxLogLastError("CreateDIBitmap"); - } + m_dataObjectLast = GetObject(format); - wxBitmap bitmap(pbmih->biWidth, pbmih->biHeight, pbmih->biBitCount); - bitmap.SetHBITMAP((WXHBITMAP)hbmp); + wxCHECK_MSG( m_dataObjectLast, FALSE, + wxT("unsupported format in wxURLDataObject")); - return bitmap; + 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(wxStringBuffer(url, len)); + + return url; +} + +void wxURLDataObject::SetURL(const wxString& url) +{ + SetData(wxDataFormat(wxUSE_UNICODE ? wxDF_UNICODETEXT : wxDF_TEXT), + url.Length()+1, url.c_str()); + + // CFSTR_SHELLURL is always supposed to be ANSI... + wxWX2MBbuf urlA = (wxWX2MBbuf)url.mbc_str(); + size_t len = strlen(urlA); + SetData(wxDataFormat(CFSTR_SHELLURL), len+1, (const char*)urlA); +} + +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + #ifdef __WXDEBUG__ static const wxChar *GetTymedName(DWORD tymed) @@ -1155,12 +1228,42 @@ 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 +// ---------------------------------------------------------------------------- + +#if wxUSE_DATAOBJ + +wxDataObject::wxDataObject() +{ +} + +wxDataObject::~wxDataObject() +{ +} + +void wxDataObject::SetAutoDelete() +{ +} + +#ifdef __WXDEBUG__ +const wxChar *wxDataObject::GetFormatName(wxDataFormat WXUNUSED(format)) +{ + return NULL; +} +#endif // __WXDEBUG__ + +#endif // wxUSE_DATAOBJ + +#endif // wxUSE_OLE/!wxUSE_OLE +