X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/be9abe3fd0edec7215fa00aa158f7581da4df2fe..bcdfb2cf30140e4c2b12b69632f5d6929b25662b:/src/gtk/dataobj.cpp diff --git a/src/gtk/dataobj.cpp b/src/gtk/dataobj.cpp index bb9e817c05..401dca0db0 100644 --- a/src/gtk/dataobj.cpp +++ b/src/gtk/dataobj.cpp @@ -14,6 +14,8 @@ #include "wx/dataobj.h" #include "wx/app.h" #include "wx/debug.h" +#include "wx/mstream.h" +#include "wx/image.h" #include "gdk/gdk.h" @@ -23,72 +25,42 @@ //------------------------------------------------------------------------- GdkAtom g_textAtom = 0; +GdkAtom g_pngAtom = 0; +GdkAtom g_fileAtom = 0; //------------------------------------------------------------------------- // wxDataFormat //------------------------------------------------------------------------- -IMPLEMENT_CLASS(wxDataFormat, wxObject) - wxDataFormat::wxDataFormat() { - if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE ); + PrepareFormats(); m_type = wxDF_INVALID; - m_hasAtom = FALSE; - m_atom = (GdkAtom) 0; + m_format = (GdkAtom) 0; } wxDataFormat::wxDataFormat( wxDataFormatId type ) { - if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE ); + PrepareFormats(); SetType( type ); } wxDataFormat::wxDataFormat( const wxChar *id ) { - if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE ); + PrepareFormats(); SetId( id ); } wxDataFormat::wxDataFormat( const wxString &id ) { - if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE ); + PrepareFormats(); SetId( id ); } -wxDataFormat::wxDataFormat( const wxDataFormat &format ) -{ - if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE ); - 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 ) { - if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE ); - 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; - } - } + PrepareFormats(); + SetId( format ); } void wxDataFormat::SetType( wxDataFormatId type ) @@ -96,25 +68,17 @@ void wxDataFormat::SetType( wxDataFormatId type ) 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("BITMAP"); - } + 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 @@ -124,146 +88,41 @@ wxDataFormatId wxDataFormat::GetType() const wxString wxDataFormat::GetId() const { - return m_id; -} - -void wxDataFormat::SetId( const wxChar *id ) -{ - m_type = wxDF_PRIVATE; - m_id = id; - m_hasAtom = FALSE; -} - -GdkAtom wxDataFormat::GetAtom() -{ - 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; -} - -//------------------------------------------------------------------------- -// 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(); + wxString ret( gdk_atom_name( m_format ) ); // this will convert from ascii to Unicode + return ret; } -wxDataFormat &wxDataBroker::GetNthFormat( size_t nth ) const +void wxDataFormat::SetId( NativeFormat format ) { - wxNode *node = m_dataObjects.Nth( nth ); - - wxASSERT( node ); + m_format = format; - 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; + 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; } -size_t wxDataBroker::GetSize( wxDataFormat& format ) const +void wxDataFormat::SetId( const wxChar *id ) { - 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; + m_type = wxDF_PRIVATE; + wxString tmp( id ); + m_format = gdk_atom_intern( wxMBSTRINGCAST tmp.mbc_str(), FALSE ); // what is the string cast for? } -void wxDataBroker::WriteData( wxDataFormat& format, void *dest ) const +void wxDataFormat::PrepareFormats() { - 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 ); } //------------------------------------------------------------------------- @@ -280,26 +139,29 @@ wxDataObject::~wxDataObject() { } -wxDataFormat &wxDataObject::GetFormat() +bool wxDataObject::IsSupportedFormat(const wxDataFormat& format) const { - return m_format; -} + size_t nFormatCount = GetFormatCount(); + if ( nFormatCount == 1 ) { + return format == GetPreferredFormat(); + } + else { + wxDataFormat *formats = new wxDataFormat[nFormatCount]; + GetAllFormats(formats); + + 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(); + // found? + return n < nFormatCount; + } } -GdkAtom wxDataObject::GetFormatAtom() const -{ - GdkAtom ret = ((wxDataObject*) this)->m_format.GetAtom(); - return ret; -} // ---------------------------------------------------------------------------- // wxTextDataObject @@ -307,41 +169,30 @@ GdkAtom wxDataObject::GetFormatAtom() const IMPLEMENT_DYNAMIC_CLASS( wxTextDataObject, wxDataObject ) -wxTextDataObject::wxTextDataObject() -{ - m_format.SetType( wxDF_TEXT ); +wxTextDataObject::wxTextDataObject() +{ } -wxTextDataObject::wxTextDataObject( const wxString& data ) -{ - m_format.SetType( wxDF_TEXT ); - - m_data = data; +wxTextDataObject::wxTextDataObject(const wxString& strText) + : m_strText(strText) +{ } -void wxTextDataObject::SetText( const wxString& data ) -{ - m_data = data; +size_t wxTextDataObject::GetDataSize(const wxDataFormat& format) const +{ + return m_strText.Len() + 1; // +1 for trailing '\0'of course } -wxString wxTextDataObject::GetText() const -{ - return m_data; +bool wxTextDataObject::GetDataHere(const wxDataFormat& format, void *buf) const +{ + memcpy(buf, m_strText.c_str(), GetDataSize(format)); + return TRUE; } -void wxTextDataObject::WriteData( void *dest ) const -{ - WriteString( m_data, dest ); -} - -size_t wxTextDataObject::GetSize() const -{ - return m_data.Len() + 1; -} - -void wxTextDataObject::WriteString( const wxString &str, void *dest ) const -{ - memcpy( dest, str.mb_str(), str.Len()+1 ); +bool wxTextDataObject::SetData(const wxDataFormat& format, const void *buf) +{ + m_strText = (const wxChar *)buf; + return TRUE; } // ---------------------------------------------------------------------------- @@ -352,7 +203,6 @@ IMPLEMENT_DYNAMIC_CLASS( wxFileDataObject, wxDataObject ) wxFileDataObject::wxFileDataObject() { - m_format.SetType( wxDF_FILENAME ); } void wxFileDataObject::AddFile( const wxString &file ) @@ -366,16 +216,34 @@ wxString wxFileDataObject::GetFiles() const return m_files; } -void wxFileDataObject::WriteData( void *dest ) const +bool wxFileDataObject::GetDataHere(const wxDataFormat& format, void *buf) const { - memcpy( dest, m_files.mbc_str(), GetSize() ); + if (format == wxDF_FILENAME) + { + memcpy( buf, m_files.mbc_str(), m_files.Len() + 1 ); + return TRUE; + } + + return FALSE; } -size_t wxFileDataObject::GetSize() const +size_t wxFileDataObject::GetDataSize(const wxDataFormat& format) const { + if (format != wxDF_FILENAME) return 0; + return m_files.Len() + 1; } +bool wxFileDataObject::SetData(const wxDataFormat& format, const void *buf) +{ + if (format != wxDF_FILENAME) + return FALSE; + + m_files = (char*)(buf); // this is so ugly, I cannot look at it + + return TRUE; +} + // ---------------------------------------------------------------------------- // wxBitmapDataObject // ---------------------------------------------------------------------------- @@ -384,46 +252,101 @@ IMPLEMENT_DYNAMIC_CLASS( wxBitmapDataObject, wxDataObject ) wxBitmapDataObject::wxBitmapDataObject() { - m_format.SetType( wxDF_BITMAP ); + m_pngData = (void*)NULL; + m_pngSize = 0; } wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& bitmap ) { - m_format.SetType( wxDF_BITMAP ); - + m_pngData = (void*)NULL; + m_pngSize = 0; m_bitmap = bitmap; + DoConvertToPng(); +} + +wxBitmapDataObject::~wxBitmapDataObject() +{ + if (m_pngData) + delete[] m_pngData; } void wxBitmapDataObject::SetBitmap( const wxBitmap &bitmap ) { + if (m_pngData) + delete[] m_pngData; + m_pngData = (void*)NULL; + m_pngSize = 0; + m_bitmap = bitmap; + DoConvertToPng(); } -wxBitmap wxBitmapDataObject::GetBitmap() const +size_t wxBitmapDataObject::GetDataSize(const wxDataFormat& format) const { - return m_bitmap; + if (format != wxDF_BITMAP) return 0; + + return m_pngSize; } -void wxBitmapDataObject::WriteData( void *dest ) const +bool wxBitmapDataObject::GetDataHere(const wxDataFormat& format, void *buf) const { - WriteBitmap( m_bitmap, dest ); + if (format != wxDF_BITMAP) return FALSE; + + if (m_pngSize > 0) + { + memcpy(buf, m_pngData, m_pngSize); + return TRUE; + } + + return FALSE; +} + +bool wxBitmapDataObject::SetData(const wxDataFormat& format, const void *buf) +{ + if (m_pngData) delete[] m_pngData; + m_pngData = (void*) NULL; + m_pngSize = 0; + m_bitmap = wxNullBitmap; + + return FALSE; } -size_t wxBitmapDataObject::GetSize() const +void wxBitmapDataObject::SetPngData(const void *buf, size_t size) { - return 0; + if (m_pngData) delete[] m_pngData; + m_pngSize = size; + m_pngData = (void*) new char[m_pngSize]; + + memcpy( m_pngData, buf, m_pngSize ); + + wxMemoryInputStream mstream( (char*) m_pngData, m_pngSize ); + wxImage image; + wxPNGHandler handler; + handler.LoadFile( &image, mstream ); + m_bitmap = image.ConvertToBitmap(); } -void wxBitmapDataObject::WriteBitmap( const wxBitmap &bitmap, void *dest ) const +void wxBitmapDataObject::DoConvertToPng() { - memcpy( dest, m_bitmap.GetPixmap(), GetSize() ); + 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 = (void*) new char[m_pngSize]; + + wxMemoryOutputStream mstream( (char*) m_pngData, m_pngSize ); + handler.SaveFile( &image, mstream ); } // ---------------------------------------------------------------------------- // wxPrivateDataObject // ---------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS( wxPrivateDataObject, wxDataObject ) +IMPLEMENT_CLASS( wxPrivateDataObject, wxDataObject ) void wxPrivateDataObject::Free() { @@ -433,7 +356,7 @@ void wxPrivateDataObject::Free() wxPrivateDataObject::wxPrivateDataObject() { - wxString id = _T("application/"); + wxString id = wxT("application/"); id += wxTheApp->GetAppName(); m_format.SetId( id );