X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5e0201eaa1e299cb5c37246324464e6e2dce7584..3096bd2fa7b88105bc54c08e3c878585de1a9b91:/src/gtk1/dataobj.cpp diff --git a/src/gtk1/dataobj.cpp b/src/gtk1/dataobj.cpp index 3af8442a63..c7d29816cb 100644 --- a/src/gtk1/dataobj.cpp +++ b/src/gtk1/dataobj.cpp @@ -19,26 +19,30 @@ #include "gdk/gdk.h" - //------------------------------------------------------------------------- // global data //------------------------------------------------------------------------- GdkAtom g_textAtom = 0; GdkAtom g_pngAtom = 0; +GdkAtom g_fileAtom = 0; //------------------------------------------------------------------------- // wxDataFormat //------------------------------------------------------------------------- -IMPLEMENT_CLASS(wxDataFormat, wxObject) - wxDataFormat::wxDataFormat() { - PrepareFormats(); + // do *not* call PrepareFormats() from here for 2 reasons: + // + // 1. we will have time to do it later because some other Set function + // must be called before we really need them + // + // 2. doing so prevents us from declaring global wxDataFormats because + // calling PrepareFormats (and thus gdk_atom_intern) before GDK is + // initialised will result in a crash m_type = wxDF_INVALID; - m_hasAtom = FALSE; - m_atom = (GdkAtom) 0; + m_format = (GdkAtom) 0; } wxDataFormat::wxDataFormat( wxDataFormatId type ) @@ -59,65 +63,29 @@ wxDataFormat::wxDataFormat( const wxString &id ) SetId( id ); } -wxDataFormat::wxDataFormat( const wxDataFormat &format ) -{ - PrepareFormats(); - m_type = format.GetType(); - m_id = format.GetId(); - m_hasAtom = TRUE; - m_atom = ((wxDataFormat &)format).GetAtom(); // const_cast -} - -wxDataFormat::wxDataFormat( const GdkAtom atom ) +wxDataFormat::wxDataFormat( NativeFormat format ) { PrepareFormats(); - m_hasAtom = TRUE; - - m_atom = atom; - - if (m_atom == g_textAtom) - { - m_type = wxDF_TEXT; - } else - if (m_atom == GDK_TARGET_BITMAP) - { - m_type = wxDF_BITMAP; - } else - { - m_type = wxDF_PRIVATE; - m_id = gdk_atom_name( m_atom ); - - if (m_id == _T("file:ALL")) - { - m_type = wxDF_FILENAME; - } - } + SetId( format ); } void wxDataFormat::SetType( wxDataFormatId type ) { + PrepareFormats(); m_type = type; if (m_type == wxDF_TEXT) - { - m_id = _T("STRING"); - } + m_format = g_textAtom; else if (m_type == wxDF_BITMAP) - { - m_id = _T("image/png"); - } + m_format = g_pngAtom; else if (m_type == wxDF_FILENAME) - { - m_id = _T("file:ALL"); - } + m_format = g_fileAtom; else { - wxFAIL_MSG( _T("invalid dataformat") ); + wxFAIL_MSG( wxT("invalid dataformat") ); } - - m_hasAtom = FALSE; } wxDataFormatId wxDataFormat::GetType() const @@ -127,394 +95,207 @@ wxDataFormatId wxDataFormat::GetType() const wxString wxDataFormat::GetId() const { - return m_id; + wxString ret( gdk_atom_name( m_format ) ); // this will convert from ascii to Unicode + return ret; } -void wxDataFormat::SetId( const wxChar *id ) +void wxDataFormat::SetId( NativeFormat format ) { - m_type = wxDF_PRIVATE; - m_id = id; - m_hasAtom = FALSE; + PrepareFormats(); + m_format = format; + + if (m_format == g_textAtom) + m_type = wxDF_TEXT; + else + if (m_format == g_pngAtom) + m_type = wxDF_BITMAP; + else + if (m_format == g_fileAtom) + m_type = wxDF_FILENAME; + else + m_type = wxDF_PRIVATE; } -GdkAtom wxDataFormat::GetAtom() +void wxDataFormat::SetId( const wxChar *id ) { - if (!m_hasAtom) - { - m_hasAtom = TRUE; - - if (m_type == wxDF_TEXT) - { - m_atom = g_textAtom; - } - else - if (m_type == wxDF_BITMAP) - { - m_atom = GDK_TARGET_BITMAP; - } - else - if (m_type == wxDF_PRIVATE) - { - m_atom = gdk_atom_intern( MBSTRINGCAST m_id.mbc_str(), FALSE ); - } - else - if (m_type == wxDF_FILENAME) - { - m_atom = gdk_atom_intern( "file:ALL", FALSE ); - } - else - { - m_hasAtom = FALSE; - m_atom = (GdkAtom) 0; - } - } - - return m_atom; + PrepareFormats(); + m_type = wxDF_PRIVATE; + wxString tmp( id ); + m_format = gdk_atom_intern( wxMBSTRINGCAST tmp.mbc_str(), FALSE ); // what is the string cast for? } void wxDataFormat::PrepareFormats() { - if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE ); - if (!g_pngAtom) g_pngAtom = gdk_atom_intern( "image/png", FALSE ); -} - -//------------------------------------------------------------------------- -// wxDataBroker -//------------------------------------------------------------------------- - -IMPLEMENT_CLASS(wxDataBroker,wxObject) - -wxDataBroker::wxDataBroker() -{ - m_dataObjects.DeleteContents(TRUE); - m_preferred = 0; -} - -void wxDataBroker::Add( wxDataObject *dataObject, bool preferred ) -{ - if (preferred) m_preferred = m_dataObjects.GetCount(); - m_dataObjects.Append( dataObject ); -} - -size_t wxDataBroker::GetFormatCount() const -{ - return m_dataObjects.GetCount(); -} - -wxDataFormatId wxDataBroker::GetPreferredFormat() const -{ - wxNode *node = m_dataObjects.Nth( m_preferred ); - - wxASSERT( node ); - - wxDataObject* data_obj = (wxDataObject*)node->Data(); - - return data_obj->GetFormat().GetType(); -} - -wxDataFormat &wxDataBroker::GetNthFormat( size_t nth ) const -{ - wxNode *node = m_dataObjects.Nth( nth ); - - wxASSERT( node ); - - wxDataObject* data_obj = (wxDataObject*)node->Data(); - - return data_obj->GetFormat(); -} - -bool wxDataBroker::IsSupportedFormat( wxDataFormat &format ) const -{ - wxNode *node = m_dataObjects.First(); - while (node) - { - wxDataObject *dobj = (wxDataObject*)node->Data(); - - if (dobj->GetFormat().GetAtom() == format.GetAtom()) - { - return TRUE; - } - - node = node->Next(); - } - - return FALSE; -} - -size_t wxDataBroker::GetSize( wxDataFormat& format ) const -{ - wxNode *node = m_dataObjects.First(); - while (node) - { - wxDataObject *dobj = (wxDataObject*)node->Data(); - - if (dobj->GetFormat().GetAtom() == format.GetAtom()) - { - return dobj->GetSize(); - } - - node = node->Next(); - } - - return 0; -} - -void wxDataBroker::WriteData( wxDataFormat& format, void *dest ) const -{ - wxNode *node = m_dataObjects.First(); - while (node) - { - wxDataObject *dobj = (wxDataObject*)node->Data(); - - if (dobj->GetFormat().GetAtom() == format.GetAtom()) - { - dobj->WriteData( dest ); - } - - node = node->Next(); - } + if (!g_textAtom) + g_textAtom = gdk_atom_intern( "STRING", FALSE ); + if (!g_pngAtom) + g_pngAtom = gdk_atom_intern( "image/png", FALSE ); + if (!g_fileAtom) + g_fileAtom = gdk_atom_intern( "file:ALL", FALSE ); } //------------------------------------------------------------------------- // wxDataObject //------------------------------------------------------------------------- -IMPLEMENT_ABSTRACT_CLASS( wxDataObject, wxObject ) - wxDataObject::wxDataObject() { } -wxDataObject::~wxDataObject() -{ -} - -wxDataFormat &wxDataObject::GetFormat() +bool wxDataObject::IsSupportedFormat(const wxDataFormat& format, Direction dir) const { - return m_format; -} + size_t nFormatCount = GetFormatCount(dir); + if ( nFormatCount == 1 ) { + return format == GetPreferredFormat(); + } + else { + wxDataFormat *formats = new wxDataFormat[nFormatCount]; + GetAllFormats(formats,dir); + + size_t n; + for ( n = 0; n < nFormatCount; n++ ) { + if ( formats[n] == format ) + break; + } -wxDataFormatId wxDataObject::GetFormatType() const -{ - return m_format.GetType(); -} + delete [] formats; -wxString wxDataObject::GetFormatId() const -{ - return m_format.GetId(); -} - -GdkAtom wxDataObject::GetFormatAtom() const -{ - GdkAtom ret = ((wxDataObject*) this)->m_format.GetAtom(); - return ret; + // found? + return n < nFormatCount; + } } // ---------------------------------------------------------------------------- -// wxTextDataObject +// wxFileDataObject // ---------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS( wxTextDataObject, wxDataObject ) - -wxTextDataObject::wxTextDataObject() +bool wxFileDataObject::GetDataHere(void *buf) const { - m_format.SetType( wxDF_TEXT ); -} - -wxTextDataObject::wxTextDataObject( const wxString& data ) -{ - m_format.SetType( wxDF_TEXT ); + wxString filenames; - m_data = data; -} + for (size_t i = 0; i < m_filenames.GetCount(); i++) + { + filenames += m_filenames[i]; + filenames += (wxChar) 0; + } -void wxTextDataObject::SetText( const wxString& data ) -{ - m_data = data; -} + memcpy( buf, filenames.mbc_str(), filenames.Len() + 1 ); -wxString wxTextDataObject::GetText() const -{ - return m_data; + return TRUE; } -void wxTextDataObject::WriteData( void *dest ) const +size_t wxFileDataObject::GetDataSize() const { - WriteString( m_data, dest ); -} + size_t res = 0; -size_t wxTextDataObject::GetSize() const -{ - return m_data.Len() + 1; -} + for (size_t i = 0; i < m_filenames.GetCount(); i++) + { + res += m_filenames[i].Len(); + res += 1; + } -void wxTextDataObject::WriteString( const wxString &str, void *dest ) const -{ - memcpy( dest, str.mb_str(), str.Len()+1 ); + return res + 1; } -// ---------------------------------------------------------------------------- -// wxFileDataObject -// ---------------------------------------------------------------------------- - -IMPLEMENT_DYNAMIC_CLASS( wxFileDataObject, wxDataObject ) - -wxFileDataObject::wxFileDataObject() +bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf) { - m_format.SetType( wxDF_FILENAME ); -} + /* TODO */ -void wxFileDataObject::AddFile( const wxString &file ) -{ - m_files += file; - m_files += (wxChar)0; -} + wxString file( (const char *)buf ); /* char, not wxChar */ -wxString wxFileDataObject::GetFiles() const -{ - return m_files; -} + AddFile( file ); -void wxFileDataObject::WriteData( void *dest ) const -{ - memcpy( dest, m_files.mbc_str(), GetSize() ); + return TRUE; } -size_t wxFileDataObject::GetSize() const +void wxFileDataObject::AddFile( const wxString &filename ) { - return m_files.Len() + 1; + m_filenames.Add( filename ); } // ---------------------------------------------------------------------------- // wxBitmapDataObject // ---------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS( wxBitmapDataObject, wxDataObject ) - wxBitmapDataObject::wxBitmapDataObject() { - m_format.SetType( wxDF_BITMAP ); - m_pngData = (char*)NULL; - m_pngSize = 0; + Init(); } wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& bitmap ) + : wxBitmapDataObjectBase(bitmap) { - m_format.SetType( wxDF_BITMAP ); - m_pngData = (char*)NULL; - m_pngSize = 0; - m_bitmap = bitmap; + Init(); + DoConvertToPng(); } wxBitmapDataObject::~wxBitmapDataObject() { - if (m_pngData) delete[] m_pngData; + Clear(); } void wxBitmapDataObject::SetBitmap( const wxBitmap &bitmap ) { - m_bitmap = bitmap; + ClearAll(); + + wxBitmapDataObjectBase::SetBitmap(bitmap); + DoConvertToPng(); } -wxBitmap wxBitmapDataObject::GetBitmap() const +bool wxBitmapDataObject::GetDataHere(void *buf) const { - return m_bitmap; -} + if ( !m_pngSize ) + { + wxFAIL_MSG( wxT("attempt to copy empty bitmap failed") ); -void wxBitmapDataObject::WriteData( void *dest ) const -{ - WriteBitmap( m_bitmap, dest ); -} + return FALSE; + } -size_t wxBitmapDataObject::GetSize() const -{ - return m_pngSize; -} + memcpy(buf, m_pngData, m_pngSize); -void wxBitmapDataObject::WriteBitmap( const wxBitmap &WXUNUSED(bitmap), void *dest ) const -{ -// if (m_bitmap == bitmap) - memcpy( dest, m_pngData, m_pngSize ); + return TRUE; } -void wxBitmapDataObject::SetPngData( const char *pngData, size_t pngSize ) +bool wxBitmapDataObject::SetData(size_t size, const void *buf) { - if (m_pngData) delete[] m_pngData; - m_pngData = (char*) NULL; - m_pngSize = pngSize; - m_pngData = new char[m_pngSize]; - memcpy( m_pngData, pngData, m_pngSize ); - - wxMemoryInputStream mstream( pngData, pngSize ); + Clear(); + + m_pngSize = size; + m_pngData = malloc(m_pngSize); + + memcpy( m_pngData, buf, m_pngSize ); + + wxMemoryInputStream mstream( (char*) m_pngData, m_pngSize ); wxImage image; wxPNGHandler handler; - handler.LoadFile( &image, mstream ); + if ( !handler.LoadFile( &image, mstream ) ) + { + return FALSE; + } + m_bitmap = image.ConvertToBitmap(); + + return m_bitmap.Ok(); } void wxBitmapDataObject::DoConvertToPng() { - if (m_pngData) delete[] m_pngData; - + if (!m_bitmap.Ok()) + return; + wxImage image( m_bitmap ); wxPNGHandler handler; - + wxCountingOutputStream count; handler.SaveFile( &image, count ); - m_pngSize = count.GetSize() + 100; // sometimes the size seems to vary ??? - m_pngData = new char[m_pngSize]; - - wxMemoryOutputStream mstream( m_pngData, m_pngSize ); - handler.SaveFile( &image, mstream ); -} - -// ---------------------------------------------------------------------------- -// wxPrivateDataObject -// ---------------------------------------------------------------------------- - -IMPLEMENT_DYNAMIC_CLASS( wxPrivateDataObject, wxDataObject ) - -void wxPrivateDataObject::Free() -{ - if ( m_data ) - free(m_data); -} -wxPrivateDataObject::wxPrivateDataObject() -{ - wxString id = _T("application/"); - id += wxTheApp->GetAppName(); - - m_format.SetId( id ); - - m_size = 0; - m_data = (void *)NULL; -} - -void wxPrivateDataObject::SetData( const void *data, size_t size ) -{ - Free(); - - m_size = size; - m_data = malloc(size); - - memcpy( m_data, data, size ); -} - -void wxPrivateDataObject::WriteData( void *dest ) const -{ - WriteData( m_data, dest ); -} + m_pngSize = count.GetSize() + 100; // sometimes the size seems to vary ??? + m_pngData = malloc(m_pngSize); -size_t wxPrivateDataObject::GetSize() const -{ - return m_size; + wxMemoryOutputStream mstream( (char*) m_pngData, m_pngSize ); + handler.SaveFile( &image, mstream ); } -void wxPrivateDataObject::WriteData( const void *data, void *dest ) const -{ - memcpy( dest, data, GetSize() ); -}