X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/574c939ef1c1b835a8bc65c0fe724548fa04ec49..b8d24d4edd1f91339918134d2420af39c324aa1f:/src/msw/ole/dataobj.cpp diff --git a/src/msw/ole/dataobj.cpp b/src/msw/ole/dataobj.cpp index e816a3d629..7ecdb81d3b 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 /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -39,16 +39,12 @@ #include "wx/msw/private.h" // includes -#if wxUSE_NORLANDER_HEADERS +// for some compilers, the entire ole2.h must be included, not only oleauto.h +#if wxUSE_NORLANDER_HEADERS || defined(__WATCOMC__) #include #endif -#include - -#ifndef __WIN32__ - #include - #include -#endif +#include #include #include "wx/msw/ole/oleutils.h" @@ -91,6 +87,8 @@ 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) }; // ---------------------------------------------------------------------------- @@ -125,6 +123,8 @@ private: wxDataObject *m_pDataObject; // pointer to C++ class we belong to bool m_mustDelete; + + DECLARE_NO_COPY_CLASS(wxIDataObject) }; // ============================================================================ @@ -177,7 +177,6 @@ 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]; @@ -268,7 +267,6 @@ IMPLEMENT_IUNKNOWN_METHODS(wxIDataObject) wxIDataObject::wxIDataObject(wxDataObject *pDataObject) { - m_cRef = 0; m_pDataObject = pDataObject; m_mustDelete = FALSE; } @@ -293,7 +291,7 @@ 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 ) { @@ -412,6 +410,20 @@ STDMETHODIMP wxIDataObject::GetDataHere(FORMATETC *pformatetc, return S_OK; } +#ifdef __DIGITALMARS__ +extern "C" +size_t wxDataObjectComposite::GetBufferOffset( const wxDataFormat& format ); + +extern "C" +const void* wxDataObjectComposite::GetSizeFromBuffer( const void* buffer, + size_t* size, + const wxDataFormat& format ) ; +extern "C" +void* wxDataObjectComposite::SetSizeInBuffer( void* buffer, size_t size, + const wxDataFormat& format ) ; + +#endif + // set data functions STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, STGMEDIUM *pmedium, @@ -441,7 +453,7 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, // 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) ) { + if ( !m_pDataObject->IsSupported(format, wxDataObject::Set) ) { // go away! return DV_E_FORMATETC; } @@ -472,7 +484,7 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc, || ( defined(__MWERKS__) && defined(__WXMSW__) ) size = std::wcslen((const wchar_t *)pBuf) * sizeof(wchar_t); #else - size = ::wcslen((const wchar_t *)pBuf) * sizeof(wchar_t); + size = wxWcslen((const wchar_t *)pBuf) * sizeof(wchar_t); #endif break; #endif @@ -556,7 +568,7 @@ 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; @@ -565,7 +577,7 @@ 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; @@ -759,23 +771,29 @@ const wxChar *wxDataObject::GetFormatName(wxDataFormat format) size_t wxBitmapDataObject::GetDataSize() const { - return wxConvertBitmapToDIB(NULL, GetBitmap()); + return wxDIB::ConvertFromBitmap(NULL, GetHbitmapOf(GetBitmap())); } bool wxBitmapDataObject::GetDataHere(void *buf) const { - return wxConvertBitmapToDIB((LPBITMAPINFO)buf, GetBitmap()) != 0; + BITMAPINFO * const pbi = (BITMAPINFO *)buf; + + return wxDIB::ConvertFromBitmap(pbi, GetHbitmapOf(GetBitmap())) != 0; } bool wxBitmapDataObject::SetData(size_t WXUNUSED(len), const void *buf) { - wxBitmap bitmap(wxConvertDIBToBitmap((const LPBITMAPINFO)buf)); + 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); @@ -1065,7 +1083,7 @@ bool wxFileDataObject::GetDataHere(void *pData) const // wxURLDataObject // ---------------------------------------------------------------------------- -class CFSTR_SHELLURLDataObject:public wxCustomDataObject +class CFSTR_SHELLURLDataObject : public wxCustomDataObject { public: CFSTR_SHELLURLDataObject() : wxCustomDataObject(CFSTR_SHELLURL) {} @@ -1089,13 +1107,14 @@ protected: { 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 ); + wxString unicode_buffer( char_buffer, wxConvLibc ); memcpy( buffer, unicode_buffer.c_str(), ( unicode_buffer.length() + 1 ) * sizeof(wxChar) ); @@ -1104,6 +1123,8 @@ protected: #endif }; + + wxURLDataObject::wxURLDataObject() { // we support CF_TEXT and CFSTR_SHELLURL formats which are basicly the same @@ -1143,148 +1164,19 @@ wxString wxURLDataObject::GetURL() const 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()); + 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 // ---------------------------------------------------------------------------- -static size_t wxGetNumOfBitmapColors(size_t bitsPerPixel) -{ - switch ( bitsPerPixel ) - { - case 1: - // monochrome bitmap, 2 entries - return 2; - - case 4: - return 16; - - case 8: - return 256; - - case 24: - // may be used with 24bit bitmaps, but we don't use it here - fall - // through - - case 16: - case 32: - // bmiColors not used at all with these bitmaps - return 0; - - default: - wxFAIL_MSG( wxT("unknown bitmap format") ); - return 0; - } -} - -size_t wxConvertBitmapToDIB(LPBITMAPINFO pbi, const wxBitmap& bitmap) -{ - wxASSERT_MSG( bitmap.Ok(), wxT("invalid bmp can't be converted to DIB") ); - - // shouldn't be selected into a DC or GetDIBits() would fail - wxASSERT_MSG( !bitmap.GetSelectedInto(), - wxT("can't copy bitmap selected into wxMemoryDC") ); - - // prepare all the info we need - BITMAP bm; - HBITMAP hbmp = (HBITMAP)bitmap.GetHBITMAP(); - if ( !GetObject(hbmp, sizeof(bm), &bm) ) - { - wxLogLastError(wxT("GetObject(bitmap)")); - - return 0; - } - - // 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 = (WORD)wxGetNumOfBitmapColors(biBits); - - BITMAPINFO bi2; - - bool wantSizeOnly = pbi == NULL; - if ( wantSizeOnly ) - pbi = &bi2; - - // just for convenience - BITMAPINFOHEADER& bi = pbi->bmiHeader; - - 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) ) - { - wxLogLastError(wxT("GetDIBits(NULL)")); - - return 0; - } - - if ( wantSizeOnly ) - { - // size of the header + size of the image - return dwLen + bi.biSizeImage; - } - - // and now copy the bits - void *image = (char *)pbi + dwLen; - if ( !GetDIBits(hdc, hbmp, 0, bi.biHeight, image, pbi, DIB_RGB_COLORS) ) - { - wxLogLastError(wxT("GetDIBits")); - - return 0; - } - - return dwLen + bi.biSizeImage; -} - -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 - 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 = numColors * 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(wxT("CreateDIBitmap")); - } - - wxBitmap bitmap(pbmih->biWidth, pbmih->biHeight, pbmih->biBitCount); - bitmap.SetHBITMAP((WXHBITMAP)hbmp); - - return bitmap; -} - #ifdef __WXDEBUG__ static const wxChar *GetTymedName(DWORD tymed)