X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ab8884aca6f480f3568167c7fe592a03e7e102b2..78d50441ddbfd8186491247791dce8c5fc645c25:/src/gtk1/dataobj.cpp diff --git a/src/gtk1/dataobj.cpp b/src/gtk1/dataobj.cpp index 353633fc7c..401dca0db0 100644 --- a/src/gtk1/dataobj.cpp +++ b/src/gtk1/dataobj.cpp @@ -4,15 +4,126 @@ // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling -// Licence: wxWindows licence +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ -#pragma implementation "dataobj.h" + #pragma implementation "dataobj.h" #endif #include "wx/dataobj.h" #include "wx/app.h" +#include "wx/debug.h" +#include "wx/mstream.h" +#include "wx/image.h" + +#include "gdk/gdk.h" + + +//------------------------------------------------------------------------- +// global data +//------------------------------------------------------------------------- + +GdkAtom g_textAtom = 0; +GdkAtom g_pngAtom = 0; +GdkAtom g_fileAtom = 0; + +//------------------------------------------------------------------------- +// wxDataFormat +//------------------------------------------------------------------------- + +wxDataFormat::wxDataFormat() +{ + PrepareFormats(); + m_type = wxDF_INVALID; + m_format = (GdkAtom) 0; +} + +wxDataFormat::wxDataFormat( wxDataFormatId type ) +{ + PrepareFormats(); + SetType( type ); +} + +wxDataFormat::wxDataFormat( const wxChar *id ) +{ + PrepareFormats(); + SetId( id ); +} + +wxDataFormat::wxDataFormat( const wxString &id ) +{ + PrepareFormats(); + SetId( id ); +} + +wxDataFormat::wxDataFormat( NativeFormat format ) +{ + PrepareFormats(); + SetId( format ); +} + +void wxDataFormat::SetType( wxDataFormatId type ) +{ + m_type = type; + + if (m_type == wxDF_TEXT) + m_format = g_textAtom; + else + if (m_type == wxDF_BITMAP) + m_format = g_pngAtom; + else + if (m_type == wxDF_FILENAME) + m_format = g_fileAtom; + else + { + wxFAIL_MSG( wxT("invalid dataformat") ); + } +} + +wxDataFormatId wxDataFormat::GetType() const +{ + return m_type; +} + +wxString wxDataFormat::GetId() const +{ + wxString ret( gdk_atom_name( m_format ) ); // this will convert from ascii to Unicode + return ret; +} + +void wxDataFormat::SetId( NativeFormat format ) +{ + 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; +} + +void wxDataFormat::SetId( const wxChar *id ) +{ + 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 ); + if (!g_fileAtom) + g_fileAtom = gdk_atom_intern( "file:ALL", FALSE ); +} //------------------------------------------------------------------------- // wxDataObject @@ -20,50 +131,262 @@ IMPLEMENT_ABSTRACT_CLASS( wxDataObject, wxObject ) +wxDataObject::wxDataObject() +{ +} + +wxDataObject::~wxDataObject() +{ +} + +bool wxDataObject::IsSupportedFormat(const wxDataFormat& format) const +{ + 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; + } + + delete [] formats; + + // found? + return n < nFormatCount; + } +} + + // ---------------------------------------------------------------------------- // wxTextDataObject // ---------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS( wxTextDataObject, wxDataObject ) +wxTextDataObject::wxTextDataObject() +{ +} + +wxTextDataObject::wxTextDataObject(const wxString& strText) + : m_strText(strText) +{ +} + +size_t wxTextDataObject::GetDataSize(const wxDataFormat& format) const +{ + return m_strText.Len() + 1; // +1 for trailing '\0'of course +} + +bool wxTextDataObject::GetDataHere(const wxDataFormat& format, void *buf) const +{ + memcpy(buf, m_strText.c_str(), GetDataSize(format)); + return TRUE; +} + +bool wxTextDataObject::SetData(const wxDataFormat& format, const void *buf) +{ + m_strText = (const wxChar *)buf; + return TRUE; +} + // ---------------------------------------------------------------------------- // wxFileDataObject // ---------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS( wxFileDataObject, wxDataObject ) +wxFileDataObject::wxFileDataObject() +{ +} + +void wxFileDataObject::AddFile( const wxString &file ) +{ + m_files += file; + m_files += (wxChar)0; +} + +wxString wxFileDataObject::GetFiles() const +{ + return m_files; +} + +bool wxFileDataObject::GetDataHere(const wxDataFormat& format, void *buf) const +{ + if (format == wxDF_FILENAME) + { + memcpy( buf, m_files.mbc_str(), m_files.Len() + 1 ); + return TRUE; + } + + return FALSE; +} + +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 // ---------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS( wxBitmapDataObject, wxDataObject ) +wxBitmapDataObject::wxBitmapDataObject() +{ + m_pngData = (void*)NULL; + m_pngSize = 0; +} + +wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& 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(); +} + +size_t wxBitmapDataObject::GetDataSize(const wxDataFormat& format) const +{ + if (format != wxDF_BITMAP) return 0; + + return m_pngSize; +} + +bool wxBitmapDataObject::GetDataHere(const wxDataFormat& format, void *buf) const +{ + 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; +} + +void wxBitmapDataObject::SetPngData(const void *buf, size_t size) +{ + 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::DoConvertToPng() +{ + 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 ) -wxPrivateDataObject::wxPrivateDataObject() -{ - m_size = 0; - m_data = (char*) NULL; - m_id = wxTheApp->GetAppName(); +void wxPrivateDataObject::Free() +{ + if ( m_data ) + free(m_data); } - -wxPrivateDataObject::~wxPrivateDataObject() -{ - if (m_data) delete[] m_data; + +wxPrivateDataObject::wxPrivateDataObject() +{ + wxString id = wxT("application/"); + id += wxTheApp->GetAppName(); + + m_format.SetId( id ); + + m_size = 0; + m_data = (void *)NULL; } - -void wxPrivateDataObject::SetData( const char *data, size_t size ) + +void wxPrivateDataObject::SetData( const void *data, size_t size ) { + Free(); + m_size = size; - - if (m_data) delete[] m_data; - - m_data = new char[size]; + m_data = malloc(size); - memcpy( m_data, data, size ); + memcpy( m_data, data, size ); +} + +void wxPrivateDataObject::WriteData( void *dest ) const +{ + WriteData( m_data, dest ); +} + +size_t wxPrivateDataObject::GetSize() const +{ + return m_size; +} + +void wxPrivateDataObject::WriteData( const void *data, void *dest ) const +{ + memcpy( dest, data, GetSize() ); }