#include "wx/app.h"
#endif
+#include "wx/textbuf.h"
+
// ----------------------------------------------------------------------------
// lists
// ----------------------------------------------------------------------------
void wxDataObjectComposite::Add(wxDataObjectSimple *dataObject, bool preferred)
{
- // check if the data format of the passed object already exists in the composite data object, if this is the case
- // do not add the data object and display a message in debug mode (otherwise this method fails silently):
- // start checking if the data format exists for the 'GET' direction:
- size_t indexFormats;
- size_t noOfFormats;
- wxDataFormat* formats;
-
- noOfFormats = dataObject->GetFormatCount(wxDataObjectBase::Get);
- formats = new wxDataFormat[noOfFormats];
- for (indexFormats=0; indexFormats<noOfFormats; ++indexFormats)
- wxCHECK_RET(this->GetObject(formats[indexFormats],wxDataObjectBase::Get) == NULL,
- _("The data format for the GET-direction of the to be added data object already exists"));
- delete[] formats;
- // do the same with the 'SET' direction:
- noOfFormats = dataObject->GetFormatCount(wxDataObjectBase::Set);
-
- formats = new wxDataFormat[noOfFormats];
- for (indexFormats=0; indexFormats<noOfFormats; ++indexFormats)
- wxCHECK_RET(this->GetObject(formats[indexFormats],wxDataObjectBase::Set) == NULL,
- _("The data format for the SET-direction of the to be added data object already exists"));
- delete[] formats;
-
- // if we reach this location the data object can simply be appended:
if ( preferred )
m_preferred = m_dataObjects.GetCount();
+
m_dataObjects.Append( dataObject );
}
#endif
-size_t wxDataObjectComposite::GetFormatCount(Direction WXUNUSED(dir)) const
+size_t wxDataObjectComposite::GetFormatCount(Direction dir) const
{
- // TODO what about the Get/Set only formats?
- return m_dataObjects.GetCount();
+ size_t n = 0;
+
+ // NOTE: some wxDataObjectSimple objects may return a number greater than 1
+ // from GetFormatCount(): this is the case of e.g. wxTextDataObject
+ // under wxMac and wxGTK
+ wxSimpleDataObjectList::compatibility_iterator node;
+ for ( node = m_dataObjects.GetFirst(); node; node = node->GetNext() )
+ n += node->GetData()->GetFormatCount(dir);
+
+ return n;
}
void wxDataObjectComposite::GetAllFormats(wxDataFormat *formats,
for ( node = m_dataObjects.GetFirst(); node; node = node->GetNext() )
{
- node->GetData()->GetAllFormats(formats+index,dir);
- index += node->GetData()->GetFormatCount(dir);
+ // NOTE: some wxDataObjectSimple objects may return more than 1 format
+ // from GetAllFormats(): this is the case of e.g. wxTextDataObject
+ // under wxMac and wxGTK
+ node->GetData()->GetAllFormats(formats+index, dir);
+ index += node->GetData()->GetFormatCount(dir);
}
}
wxT("unsupported format in wxDataObjectComposite"));
m_receivedFormat = format;
- return dataObj->SetData( len, buf );
+
+ // Notice that we must pass "format" here as wxTextDataObject, that we can
+ // have as one of our "simple" sub-objects actually is not that simple and
+ // can support multiple formats (ASCII/UTF-8/UTF-16/...) and so needs to
+ // know which one it is given.
+ return dataObj->SetData( format, len, buf );
}
// ----------------------------------------------------------------------------
size_t wxTextDataObject::GetDataSize(const wxDataFormat& format) const
{
+ const wxString& text = GetText();
if ( format == wxDF_UNICODETEXT || wxLocaleIsUtf8 )
{
- return m_text.utf8_length();
+ return text.utf8_length();
}
else // wxDF_TEXT
{
- const wxCharBuffer buf(wxConvLocal.cWC2MB(m_text.wc_str()));
+ const wxCharBuffer buf(wxConvLocal.cWC2MB(text.wc_str()));
return buf ? strlen(buf) : 0;
}
}
if ( !buf )
return false;
+ const wxString& text = GetText();
if ( format == wxDF_UNICODETEXT || wxLocaleIsUtf8 )
{
- memcpy(buf, m_text.utf8_str(), m_text.utf8_length());
+ memcpy(buf, text.utf8_str(), text.utf8_length());
}
else // wxDF_TEXT
{
- const wxCharBuffer bufLocal(wxConvLocal.cWC2MB(m_text.wc_str()));
+ const wxCharBuffer bufLocal(wxConvLocal.cWC2MB(text.wc_str()));
if ( !bufLocal )
return false;
// is not in UTF-8 so do an extra check for tranquility, it shouldn't
// matter much if we lose a bit of performance when pasting from
// clipboard
- m_text = wxString::FromUTF8(buf, len);
+ SetText(wxString::FromUTF8(buf, len));
}
else // wxDF_TEXT, convert from current (non-UTF8) locale
{
- m_text = wxConvLocal.cMB2WC(buf, len, NULL);
+ SetText(wxConvLocal.cMB2WC(buf, len, NULL));
}
return true;
#elif defined(wxNEEDS_UTF16_FOR_TEXT_DATAOBJ)
-static wxMBConvUTF16 sUTF16Converter;
+namespace
+{
-static inline wxMBConv& GetConv(const wxDataFormat& format)
+inline wxMBConv& GetConv(const wxDataFormat& format)
{
- return
- format == wxDF_UNICODETEXT
- ? (wxMBConv&) sUTF16Converter
- : (wxMBConv&) wxConvLocal;
+ static wxMBConvUTF16 s_UTF16Converter;
+
+ return format == wxDF_UNICODETEXT ? static_cast<wxMBConv&>(s_UTF16Converter)
+ : static_cast<wxMBConv&>(wxConvLocal);
}
+} // anonymous namespace
+
size_t wxTextDataObject::GetDataSize(const wxDataFormat& format) const
{
- size_t len = GetConv(format).WC2MB( NULL, GetText().c_str(), 0 );
- len += (format == wxDF_UNICODETEXT ? 2 : 1);
-
- return len;
+ return GetConv(format).WC2MB(NULL, GetText().wc_str(), 0);
}
bool wxTextDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
if ( buf == NULL )
return false;
- wxCharBuffer buffer = GetConv(format).cWX2MB( GetText().c_str() );
-
- size_t len = GetConv(format).WC2MB( NULL, GetText().c_str(), 0 );
- len += (format == wxDF_UNICODETEXT ? 2 : 1);
+ wxCharBuffer buffer(GetConv(format).cWX2MB(GetText().c_str()));
- // trailing (uni)char 0
- memcpy( (char*)buf, (const char*)buffer, len );
+ memcpy(buf, buffer.data(), buffer.length());
return true;
}
bool wxTextDataObject::SetData(const wxDataFormat& format,
- size_t WXUNUSED(len), const void *buf)
+ size_t WXUNUSED(len),
+ const void *buf)
{
if ( buf == NULL )
return false;
- wxWCharBuffer buffer = GetConv(format).cMB2WX( (const char*)buf );
-
- SetText( buffer );
+ SetText(GetConv(format).cMB2WX(static_cast<const char*>(buf)));
return true;
}
#else // !wxNEEDS_UTF{8,16}_FOR_TEXT_DATAOBJ
+// NB: This branch, using native wxChar for the clipboard, is only used under
+// Windows currently. It's just a coincidence, but Windows is also the only
+// platform where we need to convert the text to the native EOL format, so
+// wxTextBuffer::Translate() is only used here and not in the code above.
+
size_t wxTextDataObject::GetDataSize() const
{
- return GetTextLength() * sizeof(wxChar);
+ return (wxTextBuffer::Translate(GetText()).length() + 1)*sizeof(wxChar);
}
bool wxTextDataObject::GetDataHere(void *buf) const
{
- wxStrcpy( (wxChar*)buf, GetText().c_str() );
+ const wxString textNative = wxTextBuffer::Translate(GetText());
+
+ // NOTE: use wxTmemcpy() instead of wxStrncpy() to allow
+ // retrieval of strings with embedded NULLs
+ wxTmemcpy(static_cast<wxChar*>(buf),
+ textNative.t_str(),
+ textNative.length() + 1);
return true;
}
-bool wxTextDataObject::SetData(size_t WXUNUSED(len), const void *buf)
+bool wxTextDataObject::SetData(size_t len, const void *buf)
{
- SetText( wxString((const wxChar*)buf) );
+ const wxString
+ text = wxString(static_cast<const wxChar*>(buf), len/sizeof(wxChar));
+ SetText(wxTextBuffer::Translate(text, wxTextFileType_Unix));
return true;
}
#endif // different wxTextDataObject implementations
+// ----------------------------------------------------------------------------
+// wxHTMLDataObject
+// ----------------------------------------------------------------------------
+
+size_t wxHTMLDataObject::GetDataSize() const
+{
+ // Ensure that the temporary string returned by GetHTML() is kept alive for
+ // as long as we need it here.
+ const wxString& htmlStr = GetHTML();
+ const wxScopedCharBuffer buffer(htmlStr.utf8_str());
+
+ size_t size = buffer.length();
+
+#ifdef __WXMSW__
+ // On Windows we need to add some stuff to the string to satisfy
+ // its clipboard format requirements.
+ size += 400;
+#endif
+
+ return size;
+}
+
+bool wxHTMLDataObject::GetDataHere(void *buf) const
+{
+ if ( !buf )
+ return false;
+
+ // Windows and Mac always use UTF-8, and docs suggest GTK does as well.
+ const wxString& htmlStr = GetHTML();
+ const wxScopedCharBuffer html(htmlStr.utf8_str());
+ if ( !html )
+ return false;
+
+ char* const buffer = static_cast<char*>(buf);
+
+#ifdef __WXMSW__
+ // add the extra info that the MSW clipboard format requires.
+
+ // Create a template string for the HTML header...
+ strcpy(buffer,
+ "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(buffer, html);
+ strcat(buffer, "\r\n");
+ // Finish up the HTML format...
+ strcat(buffer,
+ "<!--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(buffer, "StartHTML");
+ sprintf(ptr+10, "%08u", (unsigned)(strstr(buffer, "<html>") - buffer));
+ *(ptr+10+8) = '\r';
+
+ ptr = strstr(buffer, "EndHTML");
+ sprintf(ptr+8, "%08u", (unsigned)strlen(buffer));
+ *(ptr+8+8) = '\r';
+
+ ptr = strstr(buffer, "StartFragment");
+ sprintf(ptr+14, "%08u", (unsigned)(strstr(buffer, "<!--StartFrag") - buffer));
+ *(ptr+14+8) = '\r';
+
+ ptr = strstr(buffer, "EndFragment");
+ sprintf(ptr+12, "%08u", (unsigned)(strstr(buffer, "<!--EndFrag") - buffer));
+ *(ptr+12+8) = '\r';
+#else
+ strcpy(buffer, html);
+#endif // __WXMSW__
+
+ return true;
+}
+
+bool wxHTMLDataObject::SetData(size_t WXUNUSED(len), const void *buf)
+{
+ if ( buf == NULL )
+ return false;
+
+ // Windows and Mac always use UTF-8, and docs suggest GTK does as well.
+ wxString html = wxString::FromUTF8(static_cast<const char*>(buf));
+
+#ifdef __WXMSW__
+ // To be consistent with other platforms, we only add the Fragment part
+ // of the Windows HTML clipboard format to the data object.
+ int fragmentStart = html.rfind("StartFragment");
+ int fragmentEnd = html.rfind("EndFragment");
+
+ if (fragmentStart != wxNOT_FOUND && fragmentEnd != wxNOT_FOUND)
+ {
+ int startCommentEnd = html.find("-->", fragmentStart) + 3;
+ int endCommentStart = html.rfind("<!--", fragmentEnd);
+
+ if (startCommentEnd != wxNOT_FOUND && endCommentStart != wxNOT_FOUND)
+ html = html.Mid(startCommentEnd, endCommentStart - startCommentEnd);
+ }
+#endif // __WXMSW__
+
+ SetHTML( html );
+
+ return true;
+}
+
+
// ----------------------------------------------------------------------------
// wxCustomDataObject
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff