// Name: src/gtk/dataobj.cpp
// Purpose: wxDataObject class
// Author: Robert Roebling
-// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
GdkAtom g_altTextAtom = 0;
GdkAtom g_pngAtom = 0;
GdkAtom g_fileAtom = 0;
+GdkAtom g_htmlAtom = 0;
//-------------------------------------------------------------------------
// wxDataFormat
SetType( type );
}
-wxDataFormat::wxDataFormat( const wxChar *id )
-{
- PrepareFormats();
- SetId( id );
-}
-
-wxDataFormat::wxDataFormat( const wxString &id )
+void wxDataFormat::InitFromString( const wxString &id )
{
PrepareFormats();
SetId( id );
m_format = g_textAtom;
else if (m_type == wxDF_TEXT)
m_format = g_altTextAtom;
-#else
- if (m_type == wxDF_TEXT || m_type == wxDF_UNICODETEXT)
+#else // !wxUSE_UNICODE
+ // notice that we don't map wxDF_UNICODETEXT to g_textAtom here, this
+ // would lead the code elsewhere to treat data objects with this format as
+ // containing UTF-8 data which is not true
+ if (m_type == wxDF_TEXT)
m_format = g_textAtom;
-#endif
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
else
if (m_type == wxDF_BITMAP)
m_format = g_pngAtom;
if (m_type == wxDF_FILENAME)
m_format = g_fileAtom;
else
+ if (m_type == wxDF_HTML)
+ m_format = g_htmlAtom;
+ else
{
wxFAIL_MSG( wxT("invalid dataformat") );
}
else
if (m_format == g_fileAtom)
m_type = wxDF_FILENAME;
+ else
+ if (m_format == g_htmlAtom)
+ m_type = wxDF_HTML;
else
m_type = wxDF_PRIVATE;
}
-void wxDataFormat::SetId( const wxChar *id )
+void wxDataFormat::SetId( const wxString& id )
{
PrepareFormats();
m_type = wxDF_PRIVATE;
- wxString tmp( id );
- m_format = gdk_atom_intern( (const char*) tmp.ToAscii(), FALSE );
+ m_format = gdk_atom_intern( id.ToAscii(), FALSE );
}
void wxDataFormat::PrepareFormats()
{
// VZ: GNOME included in RedHat 6.1 uses the MIME types below and not the
// atoms STRING and file:ALL as the old code was, but normal X apps
- // use STRING for text selection when transfering the data via
+ // use STRING for text selection when transferring the data via
// clipboard, for example, so do use STRING for now (GNOME apps will
// probably support STRING as well for compatibility anyhow), but use
// text/uri-list for file dnd because compatibility is not important
// here (with whom?)
if (!g_textAtom)
+ {
#if wxUSE_UNICODE
g_textAtom = gdk_atom_intern( "UTF8_STRING", FALSE );
g_altTextAtom = gdk_atom_intern( "STRING", FALSE );
#else
g_textAtom = gdk_atom_intern( "STRING" /* "text/plain" */, FALSE );
#endif
+ }
if (!g_pngAtom)
g_pngAtom = gdk_atom_intern( "image/png", FALSE );
if (!g_fileAtom)
g_fileAtom = gdk_atom_intern( "text/uri-list", FALSE );
+ if (!g_htmlAtom)
+ g_htmlAtom = gdk_atom_intern( "text/html", FALSE );
}
//-------------------------------------------------------------------------
// wxTextDataObject
// ----------------------------------------------------------------------------
-#if defined(__WXGTK20__) && wxUSE_UNICODE
-void wxTextDataObject::GetAllFormats(wxDataFormat *formats, wxDataObjectBase::Direction dir) const
+#if wxUSE_UNICODE
+
+void
+wxTextDataObject::GetAllFormats(wxDataFormat *formats,
+ wxDataObjectBase::Direction WXUNUSED(dir)) const
{
*formats++ = GetPreferredFormat();
*formats = g_altTextAtom;
}
-#endif
+
+#endif // wxUSE_UNICODE
// ----------------------------------------------------------------------------
// wxFileDataObject
bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
{
+ // we get data in the text/uri-list format, i.e. as a sequence of URIs
+ // (filenames prefixed by "file:") delimited by "\r\n". size includes
+ // the trailing zero (in theory, not for Nautilus in early GNOME
+ // versions).
+
m_filenames.Empty();
- // we get data in the text/uri-list format, i.e. as a sequence of URIs
- // (filenames prefixed by "file:") delimited by "\r\n"
- wxString filename;
- for ( const char *p = (const char *)buf; ; p++ )
+ const gchar *nexttemp = (const gchar*) buf;
+ for ( ; ; )
{
- // some broken programs (testdnd GTK+ sample!) omit the trailing
- // "\r\n", so check for '\0' explicitly here instead of doing it in
- // the loop statement to account for it
- if ( (*p == '\r' && *(p+1) == '\n') || !*p )
+ int len = 0;
+ const gchar *temp = nexttemp;
+ for (;;)
{
- size_t lenPrefix = 5; // strlen("file:")
- if ( filename.Left(lenPrefix).MakeLower() == _T("file:") )
+ if (temp[len] == 0)
{
- // sometimes the syntax is "file:filename", sometimes it's
- // URL-like: "file://filename" - deal with both
- if ( filename[lenPrefix] == _T('/') &&
- filename[lenPrefix + 1] == _T('/') )
+ if (len > 0)
{
- // skip the slashes
- lenPrefix += 2;
+ // if an app omits '\r''\n'
+ nexttemp = temp+len;
+ break;
}
-
- // It would probably be nicer to use a GTK or Glib
- // function to unescape the 8-bit strings pointed to
- // by buf, but this does the same in wx code.
- wxString filename_unicode = wxURI::Unescape(filename.c_str() + lenPrefix);
- wxCharBuffer filename_8bit = wxConvISO8859_1.cWX2MB( filename_unicode );
- filename_unicode = wxConvFileName->cMB2WX( filename_8bit );
- AddFile( filename_unicode );
- filename.Empty();
+
+ return true;
}
- else if ( !filename.empty() )
+ if (temp[len] == '\r')
{
- wxLogDebug(_T("Unsupported URI \"%s\" in wxFileDataObject"),
- filename.c_str());
+ if (temp[len+1] == '\n')
+ nexttemp = temp+len+2;
+ else
+ nexttemp = temp+len+1;
+ break;
}
+ len++;
+ }
- if ( !*p )
- break;
+ if (len == 0)
+ break;
- // skip '\r'
- p++;
- }
- else
+ // required to give it a trailing zero
+ gchar *uri = g_strndup( temp, len );
+
+ gchar *fn = g_filename_from_uri( uri, NULL, NULL );
+
+ g_free( uri );
+
+ if (fn)
{
- // The string is in ISO-8859-1 according to XDND spec
- filename += *p;
+ AddFile( wxConvFileName->cMB2WX( fn ) );
+ g_free( fn );
}
}
m_bitmap = wxBitmap(image);
- return m_bitmap.Ok();
+ return m_bitmap.IsOk();
}
void wxBitmapDataObject::DoConvertToPng()
{
- if ( !m_bitmap.Ok() )
+ if ( !m_bitmap.IsOk() )
return;
wxCHECK_RET( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,
image.SaveFile(mstream, wxBITMAP_TYPE_PNG);
}
+// ----------------------------------------------------------------------------
+// wxURLDataObject
+// ----------------------------------------------------------------------------
+
+class wxTextURIListDataObject : public wxDataObjectSimple
+{
+public:
+ wxTextURIListDataObject(const wxString& url)
+ : wxDataObjectSimple(wxDataFormat(g_fileAtom)),
+ m_url(url)
+ {
+ }
+
+ const wxString& GetURL() const { return m_url; }
+ void SetURL(const wxString& url) { m_url = url; }
+
+
+ virtual size_t GetDataSize() const
+ {
+ // It is not totally clear whether we should include "\r\n" at the end
+ // of the string if there is only one URL or not, but not doing it
+ // doesn't seem to create any problems, so keep things simple.
+ return strlen(m_url.utf8_str()) + 1;
+ }
+
+ virtual bool GetDataHere(void *buf) const
+ {
+ char* const dst = static_cast<char*>(buf);
+
+ strcpy(dst, m_url.utf8_str());
+
+ return true;
+ }
+
+ virtual bool SetData(size_t len, const void *buf)
+ {
+ const char* const src = static_cast<const char*>(buf);
+
+ // The string might be "\r\n"-terminated but this is not necessarily
+ // the case (e.g. when dragging an URL from Firefox, it isn't).
+ if ( len > 1 && src[len - 1] == '\n' )
+ {
+ if ( len > 2 && src[len - 2] == '\r' )
+ len--;
+
+ len--;
+ }
+
+ m_url = wxString::FromUTF8(src, len);
+
+ return true;
+ }
+
+ // Must provide overloads to avoid hiding them (and warnings about it)
+ virtual size_t GetDataSize(const wxDataFormat&) const
+ {
+ return GetDataSize();
+ }
+ virtual bool GetDataHere(const wxDataFormat&, void *buf) const
+ {
+ return GetDataHere(buf);
+ }
+ virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
+ {
+ return SetData(len, buf);
+ }
+
+private:
+ wxString m_url;
+};
+
+wxURLDataObject::wxURLDataObject(const wxString& url) :
+ m_dobjURIList(new wxTextURIListDataObject(url)),
+ m_dobjText(new wxTextDataObject(url))
+{
+ // Use both URL-specific format and a plain text one to ensure that URLs
+ // can be pasted into any application.
+ Add(m_dobjURIList, true /* preferred */);
+ Add(m_dobjText);
+}
+
+void wxURLDataObject::SetURL(const wxString& url)
+{
+ m_dobjURIList->SetURL(url);
+ m_dobjText->SetText(url);
+}
+
+wxString wxURLDataObject::GetURL() const
+{
+ if ( GetReceivedFormat() == g_fileAtom )
+ {
+ // If we received the URL as an URI, use it.
+ return m_dobjURIList->GetURL();
+ }
+ else // Otherwise we either got it as text or didn't get anything yet.
+ {
+ // In either case using the text format should be fine.
+ return m_dobjText->GetText();
+ }
+}
+
#endif // wxUSE_DATAOBJ
projects / wxWidgets.git / blobdiff