X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d59ceba5720b79347a1d63efe4497a768a819979..51072df23ffcf5bdd4651dbe0ad5143b1e360119:/src/msw/clipbrd.cpp?ds=sidebyside diff --git a/src/msw/clipbrd.cpp b/src/msw/clipbrd.cpp index f31924940b..d01c281dae 100644 --- a/src/msw/clipbrd.cpp +++ b/src/msw/clipbrd.cpp @@ -55,15 +55,20 @@ #include #include "wx/msw/private.h" + +#ifndef __WXMICROWIN__ #include "wx/msw/dib.h" +#endif // wxDataObject is tied to OLE/drag and drop implementation, therefore so are // the functions using wxDataObject in wxClipboard -#define wxUSE_DATAOBJ wxUSE_DRAG_AND_DROP +//#define wxUSE_DATAOBJ wxUSE_DRAG_AND_DROP #if wxUSE_DATAOBJ #include "wx/dataobj.h" +#endif +#if wxUSE_OLE // use OLE clipboard #define wxUSE_OLE_CLIPBOARD 1 #else // !wxUSE_DATAOBJ @@ -146,10 +151,27 @@ bool wxIsClipboardOpened() bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat) { - // for bitmaps, DIBs will also do - return (::IsClipboardFormatAvailable(dataFormat) != 0) || - (dataFormat.GetFormatId() == CF_BITMAP && - ::IsClipboardFormatAvailable(CF_DIB)); + if ( ::IsClipboardFormatAvailable(dataFormat) ) + { + // ok from the first try + return TRUE; + } + + // for several standard formats, we can convert from some other ones too + switch ( dataFormat.GetFormatId() ) + { + // for bitmaps, DIBs will also do + case CF_BITMAP: + return ::IsClipboardFormatAvailable(CF_DIB) != 0; + +#if wxUSE_ENH_METAFILE && !defined(__WIN16__) + case CF_METAFILEPICT: + return ::IsClipboardFormatAvailable(CF_ENHMETAFILE) != 0; +#endif // wxUSE_ENH_METAFILE + + default: + return FALSE; + } } bool wxSetClipboardData(wxDataFormat dataFormat, @@ -202,13 +224,16 @@ bool wxSetClipboardData(wxDataFormat dataFormat, wxBitmap *bitmap = (wxBitmap *)data; HBITMAP hBitmap = (HBITMAP)bitmap->GetHBITMAP(); // NULL palette means to use the system one - HANDLE hDIB = wxBitmapToDIB(hBitmap, (HPALETTE)NULL); + HANDLE hDIB = wxBitmapToDIB(hBitmap, (HPALETTE)NULL); handle = SetClipboardData(CF_DIB, hDIB); #endif // wxUSE_IMAGE_LOADING_IN_MSW break; } -#if wxUSE_METAFILE + // VZ: I'm told that this code works, but it doesn't seem to work for me + // and, anyhow, I'd be highly surprized if it did. So I leave it here + // but IMNSHO it is completely broken. +#if wxUSE_METAFILE && !defined(wxMETAFILE_IS_ENH) case wxDF_METAFILE: { wxMetafile *wxMF = (wxMetafile *)data; @@ -225,7 +250,20 @@ bool wxSetClipboardData(wxDataFormat dataFormat, handle = SetClipboardData(CF_METAFILEPICT, data); break; } -#endif +#endif // wxUSE_METAFILE + +#if wxUSE_ENH_METAFILE && !defined(__WIN16__) + case wxDF_ENHMETAFILE: + { + wxEnhMetaFile *emf = (wxEnhMetaFile *)data; + wxEnhMetaFile emfCopy = *emf; + + handle = SetClipboardData(CF_ENHMETAFILE, + (void *)emfCopy.GetHENHMETAFILE()); + } + break; +#endif // wxUSE_ENH_METAFILE + case CF_SYLK: case CF_DIF: case CF_TIFF: @@ -319,7 +357,9 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len) wxBM->SetWidth(bm.bmWidth); wxBM->SetHeight(bm.bmHeight); wxBM->SetDepth(bm.bmPlanes); +#if WXWIN_COMPATIBILITY_2 wxBM->SetOk(TRUE); +#endif // WXWIN_COMPATIBILITY_2 retval = wxBM; break; } @@ -398,7 +438,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len) wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat) { - return ::EnumClipboardFormats(dataFormat); + return (wxDataFormat::NativeFormat)::EnumClipboardFormats(dataFormat); } int wxRegisterClipboardFormat(wxChar *formatName) @@ -419,8 +459,6 @@ bool wxGetClipboardFormatName(wxDataFormat dataFormat, IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject) -wxClipboard* wxTheClipboard = (wxClipboard *)NULL; - wxClipboard::wxClipboard() { m_clearOnExit = FALSE; @@ -439,16 +477,17 @@ void wxClipboard::Clear() #if wxUSE_OLE_CLIPBOARD if ( FAILED(OleSetClipboard(NULL)) ) { - wxLogLastError("OleSetClipboard(NULL)"); + wxLogLastError(wxT("OleSetClipboard(NULL)")); } #endif } bool wxClipboard::Flush() { +#if wxUSE_OLE_CLIPBOARD if ( FAILED(OleFlushClipboard()) ) { - wxLogLastError("OleFlushClipboard"); + wxLogLastError(wxT("OleFlushClipboard")); return FALSE; } @@ -458,6 +497,9 @@ bool wxClipboard::Flush() return TRUE; } +#else // !wxUSE_OLE_CLIPBOARD + return FALSE; +#endif // wxUSE_OLE_CLIPBOARD/!wxUSE_OLE_CLIPBOARD } bool wxClipboard::Open() @@ -470,9 +512,20 @@ bool wxClipboard::Open() #endif } +bool wxClipboard::IsOpened() const +{ +#if wxUSE_OLE_CLIPBOARD + return TRUE; +#else + return wxIsClipboardOpened(); +#endif +} + bool wxClipboard::SetData( wxDataObject *data ) { +#if !wxUSE_OLE_CLIPBOARD (void)wxEmptyClipboard(); +#endif // wxUSE_OLE_CLIPBOARD if ( data ) return AddData(data); @@ -535,7 +588,7 @@ bool wxClipboard::AddData( wxDataObject *data ) #if wxUSE_METAFILE case wxDF_METAFILE: { - wxMetafileDataObject* metaFileDataObject = + wxMetafileDataObject* metaFileDataObject = (wxMetafileDataObject*) data; wxMetafile metaFile = metaFileDataObject->GetMetafile(); return wxSetClipboardData(wxDF_METAFILE, &metaFile, @@ -565,10 +618,8 @@ bool wxClipboard::IsSupported( wxDataFormat format ) return wxIsClipboardFormatAvailable(format); } -bool wxClipboard::GetData( wxDataObject *data ) +bool wxClipboard::GetData( wxDataObject& data ) { - wxCHECK_MSG( data, FALSE, wxT("invalid data object") ); - #if wxUSE_OLE_CLIPBOARD IDataObject *pDataObject = NULL; HRESULT hr = OleGetClipboard(&pDataObject); @@ -580,8 +631,9 @@ bool wxClipboard::GetData( wxDataObject *data ) } // build the list of supported formats - size_t nFormats = data->GetFormatCount(FALSE /* for SetData() */); - wxDataFormat format, *formats; + size_t nFormats = data.GetFormatCount(wxDataObject::Set); + wxDataFormat format; + wxDataFormat *formats; if ( nFormats == 1 ) { // the most common case @@ -593,7 +645,7 @@ bool wxClipboard::GetData( wxDataObject *data ) formats = new wxDataFormat[nFormats]; } - data->GetAllFormats(formats, FALSE); + data.GetAllFormats(formats, wxDataObject::Set); // get the format enumerator bool result = FALSE; @@ -657,7 +709,6 @@ bool wxClipboard::GetData( wxDataObject *data ) formatEtc.ptd = NULL; formatEtc.dwAspect = DVASPECT_CONTENT; formatEtc.lindex = -1; - formatEtc.tymed = TYMED_HGLOBAL; size_t nSupportedFormats = supportedFormats.GetCount(); for ( size_t n = 0; !result && (n < nSupportedFormats); n++ ) @@ -665,6 +716,25 @@ bool wxClipboard::GetData( wxDataObject *data ) STGMEDIUM medium; formatEtc.cfFormat = supportedFormats[n]; + // use the appropriate tymed + switch ( formatEtc.cfFormat ) + { + case CF_BITMAP: + formatEtc.tymed = TYMED_GDI; + break; + + case CF_METAFILEPICT: + formatEtc.tymed = TYMED_MFPICT; + break; + + case CF_ENHMETAFILE: + formatEtc.tymed = TYMED_ENHMF; + break; + + default: + formatEtc.tymed = TYMED_HGLOBAL; + } + // try to get data hr = pDataObject->GetData(&formatEtc, &medium); if ( FAILED(hr) ) @@ -680,7 +750,7 @@ bool wxClipboard::GetData( wxDataObject *data ) if ( SUCCEEDED(hr) ) { // pass the data to the data object - hr = data->GetInterface()->SetData(&formatEtc, &medium, TRUE); + hr = data.GetInterface()->SetData(&formatEtc, &medium, TRUE); if ( FAILED(hr) ) { wxLogDebug(wxT("Failed to set data in wxIDataObject")); @@ -706,94 +776,57 @@ bool wxClipboard::GetData( wxDataObject *data ) #elif wxUSE_DATAOBJ wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") ); - wxDataFormat format = data->GetFormat(); + wxDataFormat format = data.GetFormat(); switch ( format ) { case wxDF_TEXT: case wxDF_OEMTEXT: { - wxTextDataObject* textDataObject = (wxTextDataObject*) data; - char* s = (char*) wxGetClipboardData(format); - if ( s ) - { - textDataObject->SetText(s); - delete[] s; - return TRUE; - } - else + wxTextDataObject& textDataObject = (wxTextDataObject &)data; + char* s = (char*)wxGetClipboardData(format); + if ( !s ) return FALSE; + + textDataObject.SetText(s); + delete [] s; + + return TRUE; } case wxDF_BITMAP: case wxDF_DIB: { - wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject *)data; + wxBitmapDataObject& bitmapDataObject = (wxBitmapDataObject &)data; wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data->GetFormat()); - if (bitmap) - { - bitmapDataObject->SetBitmap(* bitmap); - delete bitmap; - return TRUE; - } - else + if ( !bitmap ) return FALSE; + + bitmapDataObject.SetBitmap(*bitmap); + delete bitmap; + + return TRUE; } #if wxUSE_METAFILE case wxDF_METAFILE: { - wxMetafileDataObject* metaFileDataObject = (wxMetafileDataObject *)data; + wxMetafileDataObject& metaFileDataObject = (wxMetafileDataObject &)data; wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE); - if (metaFile) - { - metaFileDataObject->SetMetafile(*metaFile); - delete metaFile; - return TRUE; - } - else + if ( !metaFile ) return FALSE; - } -#endif - default: - { - long len; - void *buf = wxGetClipboardData(format, &len); - if ( buf ) - { - // FIXME this is for testing only!! - ((wxPrivateDataObject *)data)->SetData(buf, len); - free(buf); - return TRUE; - } - } + metaFileDataObject.SetMetafile(*metaFile); + delete metaFile; - return FALSE; + return TRUE; + } +#endif // wxUSE_METAFILE } + return FALSE; #else // !wxUSE_DATAOBJ + wxFAIL_MSG( wxT("no clipboard implementation") ); return FALSE; -#endif // wxUSE_DATAOBJ/!wxUSE_DATAOBJ +#endif // wxUSE_OLE_CLIPBOARD/wxUSE_DATAOBJ } -//----------------------------------------------------------------------------- -// wxClipboardModule -//----------------------------------------------------------------------------- - -IMPLEMENT_DYNAMIC_CLASS(wxClipboardModule,wxModule) - -bool wxClipboardModule::OnInit() -{ - wxTheClipboard = new wxClipboard(); - - return TRUE; -} - -void wxClipboardModule::OnExit() -{ - if (wxTheClipboard) delete wxTheClipboard; - wxTheClipboard = (wxClipboard*) NULL; -} - -#else - #error "Please turn wxUSE_CLIPBOARD on to compile this file." #endif // wxUSE_CLIPBOARD