// Created: 10.05.98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "dataobj.h"
#endif
#include "wx/msw/private.h" // includes <windows.h>
-#if wxUSE_NORLANDER_HEADERS
- #include <ole2.h>
+#ifdef __WXWINCE__
+#include <winreg.h>
#endif
-#include <oleauto.h>
-#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 <ole2.h>
- #include <olestd.h>
#endif
+#include <oleauto.h>
#include <shlobj.h>
#include "wx/msw/ole/oleutils.h"
#include "wx/msw/dib.h"
+#ifndef CFSTR_SHELLURL
+#define CFSTR_SHELLURL _T("UniformResourceLocator")
+#endif
+
// ----------------------------------------------------------------------------
// functions
// ----------------------------------------------------------------------------
#ifdef __WXDEBUG__
static const wxChar *GetTymedName(DWORD tymed);
#else // !Debug
- #define GetTymedName(tymed) ""
+ #define GetTymedName(tymed) wxEmptyString
#endif // Debug/!Debug
// ----------------------------------------------------------------------------
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)
};
// ----------------------------------------------------------------------------
wxDataObject *m_pDataObject; // pointer to C++ class we belong to
bool m_mustDelete;
+
+ DECLARE_NO_COPY_CLASS(wxIDataObject)
};
// ============================================================================
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 )
{
wxIEnumFORMATETC::wxIEnumFORMATETC(const wxDataFormat *formats, ULONG nCount)
{
- m_cRef = 0;
m_nCurrent = 0;
m_nCount = nCount;
m_formats = new CLIPFORMAT[nCount];
STDMETHODIMP wxIEnumFORMATETC::Next(ULONG celt,
FORMATETC *rgelt,
- ULONG *WXUNUSED(pceltFetched))
+ ULONG *pceltFetched)
{
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)
wxIDataObject::wxIDataObject(wxDataObject *pDataObject)
{
- m_cRef = 0;
m_pDataObject = pDataObject;
m_mustDelete = FALSE;
}
// 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 )
{
pmedium->tymed = TYMED_ENHMF;
break;
+#ifndef __WXWINCE__
case wxDF_METAFILE:
pmedium->hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE,
sizeof(METAFILEPICT));
}
pmedium->tymed = TYMED_MFPICT;
break;
-
+#endif
default:
// alloc memory
size_t size = m_pDataObject->GetDataSize(format);
if ( !format.IsStandard() ) {
// for custom formats, put the size with the data - alloc the
// space for it
- size += sizeof(size_t);
+ // MB: not completely sure this is correct,
+ // even if I can't figure out what's wrong
+ size += m_pDataObject->GetBufferOffset( format );
}
HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, size);
return E_OUTOFMEMORY;
}
- if ( !wxDataFormat(pformatetc->cfFormat).IsStandard() ) {
+ wxDataFormat format = pformatetc->cfFormat;
+ if ( !format.IsStandard() ) {
// for custom formats, put the size with the data
- size_t *p = (size_t *)pBuf;
- *p++ = GlobalSize(hGlobal);
- pBuf = p;
+ pBuf = m_pDataObject->SetSizeInBuffer( pBuf, GlobalSize(hGlobal), format );
}
- wxDataFormat format = pformatetc->cfFormat;
if ( !m_pDataObject->GetDataHere(format, pBuf) )
return E_UNEXPECTED;
return S_OK;
}
+
// set data functions
STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc,
STGMEDIUM *pmedium,
// 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;
}
// copy data
- void *pBuf = GlobalLock(pmedium->hGlobal);
+ const void *pBuf = GlobalLock(pmedium->hGlobal);
if ( pBuf == NULL ) {
wxLogLastError(wxT("GlobalLock"));
break;
#if !defined(__WATCOMC__) && ! (defined(__BORLANDC__) && (__BORLANDC__ < 0x500))
case CF_UNICODETEXT:
-#if (defined(__BORLANDC__) && (__BORLANDC__ > 0x530))
- size = std::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 = ::wcslen((const wchar_t *)pBuf);
+ 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
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 );
if (! format.IsStandard() ) {
// see GetData for coresponding increment
- size -= sizeof(size_t);
+ size -= m_pDataObject->GetBufferOffset( format );
}
}
}
// 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;
// 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;
size_t nFormatCount = m_pDataObject->GetFormatCount(dir);
wxDataFormat format;
- wxDataFormat *formats;
+ wxDataFormat *formats;
formats = nFormatCount == 1 ? &format : new wxDataFormat[nFormatCount];
m_pDataObject->GetAllFormats(formats, dir);
m_pIDataObject = NULL;
}
+size_t wxDataObject::GetBufferOffset( const wxDataFormat& WXUNUSED(format) )
+{
+ return sizeof(size_t);
+}
+
+const void* wxDataObject::GetSizeFromBuffer( const void* buffer, size_t* size,
+ const wxDataFormat& WXUNUSED(format) )
+{
+ size_t* p = (size_t*)buffer;
+ *size = *p;
+
+ return p + 1;
+}
+
+void* wxDataObject::SetSizeInBuffer( void* buffer, size_t size,
+ const wxDataFormat& WXUNUSED(format) )
+{
+ size_t* p = (size_t*)buffer;
+ *p = size;
+
+ return p + 1;
+}
+
#ifdef __WXDEBUG__
const wxChar *wxDataObject::GetFormatName(wxDataFormat format)
size_t wxBitmapDataObject::GetDataSize() const
{
- return wxConvertBitmapToDIB(NULL, GetBitmap());
+#if wxUSE_WXDIB
+ return wxDIB::ConvertFromBitmap(NULL, GetHbitmapOf(GetBitmap()));
+#else
+ return 0;
+#endif
}
bool wxBitmapDataObject::GetDataHere(void *buf) const
{
- return wxConvertBitmapToDIB((LPBITMAPINFO)buf, GetBitmap()) != 0;
+#if wxUSE_WXDIB
+ BITMAPINFO * const pbi = (BITMAPINFO *)buf;
+
+ return wxDIB::ConvertFromBitmap(pbi, GetHbitmapOf(GetBitmap())) != 0;
+#else
+ return FALSE;
+#endif
}
bool wxBitmapDataObject::SetData(size_t WXUNUSED(len), const void *buf)
{
- wxBitmap bitmap(wxConvertDIBToBitmap((const LPBITMAPINFO)buf));
+#if wxUSE_WXDIB
+ 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;
+#else
+ return FALSE;
+#endif
}
// ----------------------------------------------------------------------------
bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *pData)
{
+#ifndef __WXWINCE__
m_filenames.Empty();
// the documentation states that the first member of DROPFILES structure is
// +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 ) {
}
return TRUE;
+#else
+ return FALSE;
+#endif
}
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
}
return sz;
+#else
+ return 0;
+#endif
}
bool wxFileDataObject::GetDataHere(void *pData) const
{
+#ifndef __WXWINCE__
// pData points to an externally allocated memory block
// created using the size returned by GetDataSize()
*pbuf++ = wxT('\0');
}
- *pbuf = wxT('\0'); // add final null terminator
+ // add final null terminator
+ *pbuf = wxT('\0');
return TRUE;
+#else
+ return FALSE;
+#endif
}
// ----------------------------------------------------------------------------
-// private functions
+// wxURLDataObject
// ----------------------------------------------------------------------------
-static size_t wxGetNumOfBitmapColors(size_t bitsPerPixel)
+class CFSTR_SHELLURLDataObject : public wxCustomDataObject
{
- switch ( bitsPerPixel )
+public:
+ CFSTR_SHELLURLDataObject() : wxCustomDataObject(CFSTR_SHELLURL) {}
+protected:
+ virtual size_t GetBufferOffset( const wxDataFormat& WXUNUSED(format) )
{
- 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;
+ 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) )
+ virtual const void* GetSizeFromBuffer( const void* buffer, size_t* size,
+ const wxDataFormat& WXUNUSED(format) )
{
- wxLogLastError(wxT("GetObject(bitmap)"));
+ // CFSTR_SHELLURL is _always_ ANSI text
+ *size = strlen( (const char*)buffer );
- return 0;
+ return buffer;
}
- // 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) )
+ virtual void* SetSizeInBuffer( void* buffer, size_t WXUNUSED(size),
+ const wxDataFormat& WXUNUSED(format) )
{
- wxLogLastError(wxT("GetDIBits(NULL)"));
-
- return 0;
+ return buffer;
}
- if ( wantSizeOnly )
+#if wxUSE_UNICODE
+ virtual bool GetDataHere( void* buffer ) const
{
- // size of the header + size of the image
- return dwLen + bi.biSizeImage;
+ // 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)
+};
- // 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;
+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 LPBITMAPINFO 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(wxT("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)
{
}
+#ifdef __WXDEBUG__
const wxChar *wxDataObject::GetFormatName(wxDataFormat format)
{
return NULL;
}
+#endif
#endif
projects / wxWidgets.git / blobdiff