X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..43b282bd095529e69f0bf7e7bd44888e4867257e:/src/msw/clipbrd.cpp diff --git a/src/msw/clipbrd.cpp b/src/msw/clipbrd.cpp index 424c1c4524..b9df0c2767 100644 --- a/src/msw/clipbrd.cpp +++ b/src/msw/clipbrd.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: clipbrd.cpp +// Name: src/msw/clipbrd.cpp // Purpose: Clipboard functionality // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // =========================================================================== @@ -17,10 +17,6 @@ // headers // --------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "clipbrd.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,12 +24,10 @@ #pragma hdrstop #endif -#ifndef WX_PRECOMP - #include "wx/setup.h" -#endif - #if wxUSE_CLIPBOARD +#include "wx/clipbrd.h" + #ifndef WX_PRECOMP #include "wx/object.h" #include "wx/event.h" @@ -42,33 +36,40 @@ #include "wx/bitmap.h" #include "wx/utils.h" #include "wx/intl.h" + #include "wx/log.h" + #include "wx/dataobj.h" #endif #if wxUSE_METAFILE #include "wx/metafile.h" #endif -#include "wx/log.h" -#include "wx/clipbrd.h" #include <string.h> -#include <windows.h> #include "wx/msw/private.h" -#include "wx/msw/dib.h" +#include "wx/msw/ole/oleutils.h" -// wxDataObject is tied to OLE/drag and drop implementation, -// therefore so is wxClipboard :-( -#if wxUSE_DRAG_AND_DROP - #include "wx/dataobj.h" - - static bool wxSetClipboardData(wxDataObject *data); +#if wxUSE_WXDIB + #include "wx/msw/dib.h" #endif -#ifdef __WIN16__ - #define memcpy hmemcpy +// 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 + +#if wxUSE_OLE && !defined(__WXWINCE__) + // use OLE clipboard + #define wxUSE_OLE_CLIPBOARD 1 +#else // !wxUSE_DATAOBJ + // use Win clipboard API + #define wxUSE_OLE_CLIPBOARD 0 #endif +#if wxUSE_OLE_CLIPBOARD + #include <ole2.h> +#endif // wxUSE_OLE_CLIPBOARD + // =========================================================================== // implementation // =========================================================================== @@ -77,11 +78,11 @@ // old-style clipboard functions using Windows API // --------------------------------------------------------------------------- -static bool gs_wxClipboardIsOpen = FALSE; +static bool gs_wxClipboardIsOpen = false; bool wxOpenClipboard() { - wxCHECK_MSG( !gs_wxClipboardIsOpen, TRUE, T("clipboard already opened.") ); + wxCHECK_MSG( !gs_wxClipboardIsOpen, true, wxT("clipboard already opened.") ); wxWindow *win = wxTheApp->GetTopWindow(); if ( win ) @@ -95,26 +96,26 @@ bool wxOpenClipboard() } else { - wxLogDebug(T("Can not open clipboard without a main window.")); + wxLogDebug(wxT("Can not open clipboard without a main window.")); - return FALSE; + return false; } } bool wxCloseClipboard() { - wxCHECK_MSG( gs_wxClipboardIsOpen, FALSE, T("clipboard is not opened") ); + wxCHECK_MSG( gs_wxClipboardIsOpen, false, wxT("clipboard is not opened") ); - gs_wxClipboardIsOpen = FALSE; + gs_wxClipboardIsOpen = false; if ( ::CloseClipboard() == 0 ) { wxLogSysError(_("Failed to close the clipboard.")); - return FALSE; + return false; } - return TRUE; + return true; } bool wxEmptyClipboard() @@ -123,10 +124,10 @@ bool wxEmptyClipboard() { wxLogSysError(_("Failed to empty the clipboard.")); - return FALSE; + return false; } - return TRUE; + return true; } bool wxIsClipboardOpened() @@ -136,40 +137,31 @@ bool wxIsClipboardOpened() bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat) { - return ::IsClipboardFormatAvailable(dataFormat) != 0; -} + wxDataFormat::NativeFormat cf = dataFormat.GetFormatId(); -#if wxUSE_DRAG_AND_DROP -static bool wxSetClipboardData(wxDataObject *data) -{ - size_t size = data->GetDataSize(); - HANDLE hGlobal = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, size); - if ( !hGlobal ) + if ( ::IsClipboardFormatAvailable(cf) ) { - wxLogSysError(_("Failed to allocate %dKb of memory for clipboard " - "transfer."), size / 1024); - - return FALSE; + // ok from the first try + return true; } - LPVOID lpGlobalMemory = ::GlobalLock(hGlobal); - - data->GetDataHere(lpGlobalMemory); - - GlobalUnlock(hGlobal); - - wxDataFormat format = data->GetPreferredFormat(); - if ( !::SetClipboardData(format, hGlobal) ) + // for several standard formats, we can convert from some other ones too + switch ( cf ) { - wxLogSysError(_("Failed to set clipboard data in format %s"), - wxDataObject::GetFormatName(format)); + // for bitmaps, DIBs will also do + case CF_BITMAP: + return ::IsClipboardFormatAvailable(CF_DIB) != 0; - return FALSE; - } +#if wxUSE_ENH_METAFILE && !defined(__WXWINCE__) + case CF_METAFILEPICT: + return ::IsClipboardFormatAvailable(CF_ENHMETAFILE) != 0; +#endif // wxUSE_ENH_METAFILE - return TRUE; + default: + return false; + } } -#endif // wxUSE_DRAG_AND_DROP + bool wxSetClipboardData(wxDataFormat dataFormat, const void *data, @@ -195,7 +187,7 @@ bool wxSetClipboardData(wxDataFormat dataFormat, SelectObject(hdcSrc, old); DeleteDC(hdcMem); DeleteDC(hdcSrc); - return FALSE; + return false; } HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hBitmap); @@ -215,19 +207,27 @@ bool wxSetClipboardData(wxDataFormat dataFormat, break; } +#if wxUSE_WXDIB case wxDF_DIB: { -#if wxUSE_IMAGE_LOADING_IN_MSW wxBitmap *bitmap = (wxBitmap *)data; - HBITMAP hBitmap = (HBITMAP)bitmap->GetHBITMAP(); - // NULL palette means to use the system one - HANDLE hDIB = wxBitmapToDIB(hBitmap, (HPALETTE)NULL); - handle = SetClipboardData(CF_DIB, hDIB); -#endif + + if ( bitmap && bitmap->Ok() ) + { + wxDIB dib(*bitmap); + if ( dib.IsOk() ) + { + handle = ::SetClipboardData(CF_DIB, dib.Detach()); + } + } break; } +#endif -#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 surprised if it did. So I leave it here + // but IMNSHO it is completely broken. +#if wxUSE_METAFILE && !defined(wxMETAFILE_IS_ENH) && !defined(__WXWINCE__) case wxDF_METAFILE: { wxMetafile *wxMF = (wxMetafile *)data; @@ -244,7 +244,20 @@ bool wxSetClipboardData(wxDataFormat dataFormat, handle = SetClipboardData(CF_METAFILEPICT, data); break; } -#endif +#endif // wxUSE_METAFILE + +#if wxUSE_ENH_METAFILE && !defined(__WXWINCE__) + 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: @@ -252,7 +265,7 @@ bool wxSetClipboardData(wxDataFormat dataFormat, default: { wxLogError(_("Unsupported clipboard format.")); - return FALSE; + return false; } case wxDF_OEMTEXT: @@ -279,16 +292,90 @@ bool wxSetClipboardData(wxDataFormat dataFormat, handle = SetClipboardData(dataFormat, hGlobalMemory); break; } + // Only tested with Visual C++ 6.0 so far +#if defined(__VISUALC__) + case wxDF_HTML: + { + char* html = (char *)data; + + // Create temporary buffer for HTML header... + char *buf = new char [400 + strlen(html)]; + if(!buf) return false; + + // Get clipboard id for HTML format... + static int cfid = 0; + if(!cfid) cfid = RegisterClipboardFormat(wxT("HTML Format")); + + // Create a template string for the HTML header... + strcpy(buf, + "Version:0.9\r\n" + "StartHTML:00000000\r\n" + "EndHTML:00000000\r\n" + "StartFragment:00000000\r\n" + "EndFragment:00000000\r\n" + "<html><body>\r\n" + "<!--StartFragment -->\r\n"); + + // Append the HTML... + strcat(buf, html); + strcat(buf, "\r\n"); + // Finish up the HTML format... + strcat(buf, + "<!--EndFragment-->\r\n" + "</body>\r\n" + "</html>"); + + // Now go back, calculate all the lengths, and write out the + // necessary header information. Note, wsprintf() truncates the + // string when you overwrite it so you follow up with code to replace + // the 0 appended at the end with a '\r'... + char *ptr = strstr(buf, "StartHTML"); + sprintf(ptr+10, "%08u", strstr(buf, "<html>") - buf); + *(ptr+10+8) = '\r'; + + ptr = strstr(buf, "EndHTML"); + sprintf(ptr+8, "%08u", strlen(buf)); + *(ptr+8+8) = '\r'; + + ptr = strstr(buf, "StartFragment"); + sprintf(ptr+14, "%08u", strstr(buf, "<!--StartFrag") - buf); + *(ptr+14+8) = '\r'; + + ptr = strstr(buf, "EndFragment"); + sprintf(ptr+12, "%08u", strstr(buf, "<!--EndFrag") - buf); + *(ptr+12+8) = '\r'; + + // Now you have everything in place ready to put on the + // clipboard. + + // Allocate global memory for transfer... + HGLOBAL hText = GlobalAlloc(GMEM_MOVEABLE |GMEM_DDESHARE, strlen(buf)+4); + + // Put your string in the global memory... + ptr = (char *)GlobalLock(hText); + strcpy(ptr, buf); + GlobalUnlock(hText); + + handle = ::SetClipboardData(cfid, hText); + + // Free memory... + GlobalFree(hText); + + // Clean up... + delete [] buf; + break; + } +#endif } if ( handle == 0 ) { wxLogSysError(_("Failed to set clipboard data.")); - return FALSE; + return false; } - return TRUE; + return true; } void *wxGetClipboardData(wxDataFormat dataFormat, long *len) @@ -297,6 +384,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len) switch ( dataFormat ) { +#ifndef __WXWINCE__ case wxDF_BITMAP: { BITMAP bm; @@ -338,21 +426,18 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len) wxBM->SetWidth(bm.bmWidth); wxBM->SetHeight(bm.bmHeight); wxBM->SetDepth(bm.bmPlanes); - wxBM->SetOk(TRUE); retval = wxBM; break; } - +#endif case wxDF_METAFILE: case CF_SYLK: case CF_DIF: case CF_TIFF: case CF_PALETTE: case wxDF_DIB: - { - wxLogError(_("Unsupported clipboard format.")); - return FALSE; - } + wxLogError(_("Unsupported clipboard format.")); + return NULL; case wxDF_OEMTEXT: dataFormat = wxDF_TEXT; @@ -372,11 +457,11 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len) if (!s) break; - LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory); + LPSTR lpGlobalMemory = (LPSTR) GlobalLock(hGlobalMemory); memcpy(s, lpGlobalMemory, hsize); - ::GlobalUnlock(hGlobalMemory); + GlobalUnlock(hGlobalMemory); retval = s; break; @@ -396,11 +481,11 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len) if ( !buf ) break; - LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory); + LPSTR lpGlobalMemory = (LPSTR) GlobalLock(hGlobalMemory); memcpy(buf, lpGlobalMemory, size); - ::GlobalUnlock(hGlobalMemory); + GlobalUnlock(hGlobalMemory); retval = buf; break; @@ -417,7 +502,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len) wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat) { - return ::EnumClipboardFormats(dataFormat); + return (wxDataFormat::NativeFormat)::EnumClipboardFormats(dataFormat); } int wxRegisterClipboardFormat(wxChar *formatName) @@ -438,44 +523,148 @@ bool wxGetClipboardFormatName(wxDataFormat dataFormat, IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject) -wxClipboard* wxTheClipboard = (wxClipboard *)NULL; - wxClipboard::wxClipboard() { +#if wxUSE_OLE_CLIPBOARD + wxOleInitialize(); +#endif + + m_lastDataObject = NULL; + m_isOpened = false; } wxClipboard::~wxClipboard() { - Clear(); + if ( m_lastDataObject ) + { + Clear(); + } + +#if wxUSE_OLE_CLIPBOARD + wxOleUninitialize(); +#endif } void wxClipboard::Clear() { + if ( IsUsingPrimarySelection() ) + return; + +#if wxUSE_OLE_CLIPBOARD + if (m_lastDataObject) + { + // don't touch data set by other applications + HRESULT hr = OleIsCurrentClipboard(m_lastDataObject); + if (S_OK == hr) + { + hr = OleSetClipboard(NULL); + if ( FAILED(hr) ) + { + wxLogApiError(wxT("OleSetClipboard(NULL)"), hr); + } + } + m_lastDataObject = NULL; + } +#endif // wxUSE_OLE_CLIPBOARD +} + +bool wxClipboard::Flush() +{ +#if wxUSE_OLE_CLIPBOARD + if (m_lastDataObject) + { + // don't touch data set by other applications + HRESULT hr = OleIsCurrentClipboard(m_lastDataObject); + m_lastDataObject = NULL; + if (S_OK == hr) + { + hr = OleFlushClipboard(); + if ( FAILED(hr) ) + { + wxLogApiError(wxT("OleFlushClipboard"), hr); + + return false; + } + return true; + } + } + return false; +#else // !wxUSE_OLE_CLIPBOARD + return false; +#endif // wxUSE_OLE_CLIPBOARD/!wxUSE_OLE_CLIPBOARD } bool wxClipboard::Open() { + // OLE opens clipboard for us + m_isOpened = true; +#if wxUSE_OLE_CLIPBOARD + return true; +#else return wxOpenClipboard(); +#endif +} + +bool wxClipboard::IsOpened() const +{ +#if wxUSE_OLE_CLIPBOARD + return m_isOpened; +#else + return wxIsClipboardOpened(); +#endif } bool wxClipboard::SetData( wxDataObject *data ) { + if ( IsUsingPrimarySelection() ) + return false; + +#if !wxUSE_OLE_CLIPBOARD (void)wxEmptyClipboard(); +#endif // wxUSE_OLE_CLIPBOARD if ( data ) return AddData(data); else - return TRUE; + return true; } bool wxClipboard::AddData( wxDataObject *data ) { - wxCHECK_MSG( data, FALSE, T("data is invalid") ); + if ( IsUsingPrimarySelection() ) + return false; -#if wxUSE_DRAG_AND_DROP - wxCHECK_MSG( wxIsClipboardOpened(), FALSE, T("clipboard not open") ); + wxCHECK_MSG( data, false, wxT("data is invalid") ); - wxDataFormat format = data->GetFormat(); +#if wxUSE_OLE_CLIPBOARD + HRESULT hr = OleSetClipboard(data->GetInterface()); + if ( FAILED(hr) ) + { + wxLogSysError(hr, _("Failed to put data on the clipboard")); + + // don't free anything in this case + + return false; + } + + // we have to call either OleSetClipboard(NULL) or OleFlushClipboard() when + // using OLE clipboard when the app terminates - by default, we call + // OleSetClipboard(NULL) which won't waste RAM, but the app can call + // wxClipboard::Flush() to change this + m_lastDataObject = data->GetInterface(); + + // we have a problem here because we should delete wxDataObject, but we + // can't do it because IDataObject which we just gave to the clipboard + // would try to use it when it will need the data. IDataObject is ref + // counted and so doesn't suffer from such problem, so we release it now + // and tell it to delete wxDataObject when it is deleted itself. + data->SetAutoDelete(); + + return true; +#elif wxUSE_DATAOBJ + wxCHECK_MSG( wxIsClipboardOpened(), false, wxT("clipboard not open") ); + + wxDataFormat format = data->GetPreferredFormat(); switch ( format ) { @@ -492,132 +681,263 @@ bool wxClipboard::AddData( wxDataObject *data ) { wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data; wxBitmap bitmap(bitmapDataObject->GetBitmap()); - return wxSetClipboardData(data->GetFormat(), &bitmap); + return wxSetClipboardData(data->GetPreferredFormat(), &bitmap); } #if wxUSE_METAFILE case wxDF_METAFILE: { - wxMetafileDataObject* metaFileDataObject = +#if 1 + // TODO + wxLogError(wxT("Not implemented because wxMetafileDataObject does not contain width and height values.")); + return false; +#else + wxMetafileDataObject* metaFileDataObject = (wxMetafileDataObject*) data; wxMetafile metaFile = metaFileDataObject->GetMetafile(); return wxSetClipboardData(wxDF_METAFILE, &metaFile, metaFileDataObject->GetWidth(), metaFileDataObject->GetHeight()); +#endif } #endif // wxUSE_METAFILE default: - return wxSetClipboardData(data); + { +// This didn't compile, of course +// return wxSetClipboardData(data); + // TODO + wxLogError(wxT("Not implemented.")); + return false; + } } -#else // !wxUSE_DRAG_AND_DROP - return FALSE; -#endif // wxUSE_DRAG_AND_DROP/!wxUSE_DRAG_AND_DROP +#else // !wxUSE_DATAOBJ + return false; +#endif // wxUSE_DATAOBJ/!wxUSE_DATAOBJ } void wxClipboard::Close() { + m_isOpened = false; + // OLE closes clipboard for us +#if !wxUSE_OLE_CLIPBOARD wxCloseClipboard(); +#endif } -bool wxClipboard::IsSupported( wxDataFormat format ) +bool wxClipboard::IsSupported( const wxDataFormat& format ) { - return wxIsClipboardFormatAvailable(format); + return !IsUsingPrimarySelection() && wxIsClipboardFormatAvailable(format); } -bool wxClipboard::GetData( wxDataObject *data ) +bool wxClipboard::GetData( wxDataObject& data ) { - wxCHECK_MSG( wxIsClipboardOpened(), FALSE, T("clipboard not open") ); + if ( IsUsingPrimarySelection() ) + return false; -#if wxUSE_DRAG_AND_DROP - wxDataFormat format = data->GetFormat(); - switch ( format ) +#if wxUSE_OLE_CLIPBOARD + IDataObject *pDataObject = NULL; + HRESULT hr = OleGetClipboard(&pDataObject); + if ( FAILED(hr) || !pDataObject ) { - case wxDF_TEXT: - case wxDF_OEMTEXT: + wxLogSysError(hr, _("Failed to get data from the clipboard")); + + return false; + } + + // build the list of supported formats + size_t nFormats = data.GetFormatCount(wxDataObject::Set); + wxDataFormat format; + wxDataFormat *formats; + if ( nFormats == 1 ) + { + // the most common case + formats = &format; + } + else + { + // bad luck, need to alloc mem + formats = new wxDataFormat[nFormats]; + } + + data.GetAllFormats(formats, wxDataObject::Set); + + // get the data for the given formats + FORMATETC formatEtc; + CLIPFORMAT cf; + bool result = false; + + // enumerate all explicit formats on the clipboard. + // note that this does not include implicit / synthetic (automatically + // converted) formats. +#if wxDEBUG_LEVEL >= 2 + // get the format enumerator + IEnumFORMATETC *pEnumFormatEtc = NULL; + hr = pDataObject->EnumFormatEtc(DATADIR_GET, &pEnumFormatEtc); + if ( FAILED(hr) || !pEnumFormatEtc ) + { + wxLogSysError(hr, + _("Failed to retrieve the supported clipboard formats")); + } + else + { + // ask for the supported formats and see if there are any we support + for ( ;; ) { - wxTextDataObject* textDataObject = (wxTextDataObject*) data; - char* s = (char*) wxGetClipboardData(format); - if ( s ) + ULONG nCount; + hr = pEnumFormatEtc->Next(1, &formatEtc, &nCount); + + // don't use FAILED() because S_FALSE would pass it + if ( hr != S_OK ) { - textDataObject->SetText(s); - delete[] s; - return TRUE; + // no more formats + break; } - else - return FALSE; + + cf = formatEtc.cfFormat; + + wxLogTrace(wxTRACE_OleCalls, + wxT("Object on the clipboard supports format %s."), + wxDataObject::GetFormatName(cf)); } - case wxDF_BITMAP: - case wxDF_DIB: + pEnumFormatEtc->Release(); + } +#endif // wxDEBUG_LEVEL >= 2 + + STGMEDIUM medium; + // stop at the first valid format found on the clipboard + for ( size_t n = 0; !result && (n < nFormats); n++ ) + { + // convert to NativeFormat Id + cf = formats[n].GetFormatId(); + + // if the format is not available, try the next one + // this test includes implicit / sythetic formats + if ( !::IsClipboardFormatAvailable(cf) ) + continue; + + formatEtc.cfFormat = cf; + formatEtc.ptd = NULL; + formatEtc.dwAspect = DVASPECT_CONTENT; + formatEtc.lindex = -1; + + // use the appropriate tymed + switch ( formatEtc.cfFormat ) { - wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject *)data; - wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data->GetFormat()); - if (bitmap) + case CF_BITMAP: + formatEtc.tymed = TYMED_GDI; + break; + +#ifndef __WXWINCE__ + case CF_METAFILEPICT: + formatEtc.tymed = TYMED_MFPICT; + break; + + case CF_ENHMETAFILE: + formatEtc.tymed = TYMED_ENHMF; + break; +#endif + + default: + formatEtc.tymed = TYMED_HGLOBAL; + } + + // try to get data + hr = pDataObject->GetData(&formatEtc, &medium); + if ( FAILED(hr) ) + { + // try other tymed for GDI objects + if ( formatEtc.cfFormat == CF_BITMAP ) { - bitmapDataObject->SetBitmap(* bitmap); - delete bitmap; - return TRUE; + formatEtc.tymed = TYMED_HGLOBAL; + hr = pDataObject->GetData(&formatEtc, &medium); } - else - return FALSE; } -#if wxUSE_METAFILE - case wxDF_METAFILE: + + if ( SUCCEEDED(hr) ) { - wxMetafileDataObject* metaFileDataObject = (wxMetafileDataObject *)data; - wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE); - if (metaFile) + // pass the data to the data object + hr = data.GetInterface()->SetData(&formatEtc, &medium, true); + if ( FAILED(hr) ) { - metaFileDataObject->SetMetafile(*metaFile); - delete metaFile; - return TRUE; + wxLogDebug(wxT("Failed to set data in wxIDataObject")); + + // IDataObject only takes the ownership of data if it + // successfully got it - which is not the case here + ReleaseStgMedium(&medium); } else - 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; - } + result = true; } + } + //else: unsupported tymed? + } - return FALSE; + if ( formats != &format ) + { + delete [] formats; } -#else - return FALSE; -#endif -} + //else: we didn't allocate any memory -//----------------------------------------------------------------------------- -// wxClipboardModule -//----------------------------------------------------------------------------- + // clean up and return + pDataObject->Release(); -IMPLEMENT_DYNAMIC_CLASS(wxClipboardModule,wxModule) + return result; +#elif wxUSE_DATAOBJ + wxCHECK_MSG( wxIsClipboardOpened(), false, wxT("clipboard not open") ); -bool wxClipboardModule::OnInit() -{ - wxTheClipboard = new wxClipboard(); + wxDataFormat format = data.GetPreferredFormat(); + switch ( format ) + { + case wxDF_TEXT: + case wxDF_OEMTEXT: + { + wxTextDataObject& textDataObject = (wxTextDataObject &)data; + char* s = (char*)wxGetClipboardData(format); + if ( !s ) + return false; - return TRUE; -} + textDataObject.SetText(wxString::FromAscii(s)); + delete [] s; -void wxClipboardModule::OnExit() -{ - if (wxTheClipboard) delete wxTheClipboard; - wxTheClipboard = (wxClipboard*) NULL; + return true; + } + + case wxDF_BITMAP: + case wxDF_DIB: + { + wxBitmapDataObject& bitmapDataObject = (wxBitmapDataObject &)data; + wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data.GetPreferredFormat()); + if ( !bitmap ) + return false; + + bitmapDataObject.SetBitmap(*bitmap); + delete bitmap; + + return true; + } +#if wxUSE_METAFILE + case wxDF_METAFILE: + { + wxMetafileDataObject& metaFileDataObject = (wxMetafileDataObject &)data; + wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE); + if ( !metaFile ) + return false; + + metaFileDataObject.SetMetafile(*metaFile); + delete metaFile; + + return true; + } +#endif // wxUSE_METAFILE + } + return false; +#else // !wxUSE_DATAOBJ + wxFAIL_MSG( wxT("no clipboard implementation") ); + return false; +#endif // wxUSE_OLE_CLIPBOARD/wxUSE_DATAOBJ } -#else - #error "Please turn wxUSE_CLIPBOARD on to compile this file." #endif // wxUSE_CLIPBOARD -