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,
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;
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:
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;
}
IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
-wxClipboard* wxTheClipboard = (wxClipboard *)NULL;
-
wxClipboard::wxClipboard()
{
m_clearOnExit = FALSE;
#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);
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);
}
// build the list of supported formats
- size_t nFormats = data->GetFormatCount(wxDataObject::Set);
+ size_t nFormats = data.GetFormatCount(wxDataObject::Set);
wxDataFormat format, *formats;
if ( nFormats == 1 )
{
formats = new wxDataFormat[nFormats];
}
- data->GetAllFormats(formats, wxDataObject::Set);
+ data.GetAllFormats(formats, wxDataObject::Set);
// get the format enumerator
bool result = FALSE;
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++ )
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) )
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"));
#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
}
#else // !wxUSE_DATAOBJ
+ wxFAIL_MSG( wxT("no clipboard implementation") );
+#endif // wxUSE_OLE_CLIPBOARD/wxUSE_DATAOBJ
+
return FALSE;
-#endif // wxUSE_DATAOBJ/!wxUSE_DATAOBJ
}
#else
projects / wxWidgets.git / blobdiff