X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7266b6723573ce6317577226cb1e5d32826e24e8..58c23da1d54bf50d9f892b692b941f2cd20d96d0:/src/x11/dataobj.cpp?ds=sidebyside diff --git a/src/x11/dataobj.cpp b/src/x11/dataobj.cpp index ebc3d70da1..d1562f99bf 100644 --- a/src/x11/dataobj.cpp +++ b/src/x11/dataobj.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: dataobj.cpp +// Name: src/x11/dataobj.cpp // Purpose: wxDataObject class // Author: Julian Smart // Id: $Id$ @@ -7,24 +7,22 @@ // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "dataobj.h" -#endif - -#include "wx/defs.h" +// for compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" -#if wxUSE_CLIPBOARD +#if wxUSE_DATAOBJ #include "wx/dataobj.h" -#include "wx/app.h" -#ifdef __VMS__ -#pragma message disable nosimpint -#endif -#ifdef __VMS__ -#pragma message enable nosimpint +#ifndef WX_PRECOMP + #include "wx/log.h" + #include "wx/app.h" + #include "wx/utils.h" #endif -#include "wx/utils.h" + +#include "wx/mstream.h" +#include "wx/image.h" + #include "wx/x11/private.h" //------------------------------------------------------------------------- @@ -103,11 +101,15 @@ wxDataFormatId wxDataFormat::GetType() const wxString wxDataFormat::GetId() const { +#if wxUSE_NANOX + return wxEmptyString; +#else char *t = XGetAtomName ((Display*) wxGetDisplay(), m_format); - wxString ret( t ); // this will convert from ascii to Unicode - if (t) + wxString ret = wxString::FromAscii( t ); + if (t) XFree( t ); return ret; +#endif } void wxDataFormat::SetId( NativeFormat format ) @@ -129,72 +131,255 @@ void wxDataFormat::SetId( NativeFormat format ) void wxDataFormat::SetId( const wxChar *id ) { +#if !wxUSE_NANOX PrepareFormats(); m_type = wxDF_PRIVATE; wxString tmp( id ); - m_format = XInternAtom( (Display*) wxGetDisplay(), wxMBSTRINGCAST tmp.mbc_str(), FALSE ); // what is the string cast for? + m_format = XInternAtom( (Display*) wxGetDisplay(), tmp.ToAscii(), FALSE ); +#endif } void wxDataFormat::PrepareFormats() { +#if !wxUSE_NANOX if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE ); if (!g_pngAtom) g_pngAtom = XInternAtom( (Display*) wxGetDisplay(), "image/png", FALSE ); if (!g_fileAtom) - g_fileAtom = XInternAtom( (Display*) wxGetDisplay(), "file:ALL", FALSE ); + g_fileAtom = XInternAtom( (Display*) wxGetDisplay(), "text/uri-list", FALSE ); +#endif } -#if 0 +//------------------------------------------------------------------------- +// wxDataObject +//------------------------------------------------------------------------- + +wxDataObject::wxDataObject() +{ +} + +bool wxDataObject::IsSupportedFormat(const wxDataFormat& format, Direction dir) const +{ + 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; + } + + delete [] formats; + + // found? + return n < nFormatCount; + } +} // ---------------------------------------------------------------------------- -// wxPrivateDataObject +// wxFileDataObject // ---------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS( wxPrivateDataObject, wxDataObject ) +bool wxFileDataObject::GetDataHere(void *buf) const +{ + wxString filenames; + + for (size_t i = 0; i < m_filenames.GetCount(); i++) + { + filenames += m_filenames[i]; + filenames += (wxChar) 0; + } + + memcpy( buf, filenames.mbc_str(), filenames.Len() + 1 ); -void wxPrivateDataObject::Free() + return true; +} + +size_t wxFileDataObject::GetDataSize() const { - if ( m_data ) - free(m_data); + size_t res = 0; + + for (size_t i = 0; i < m_filenames.GetCount(); i++) + { + res += m_filenames[i].Len(); + res += 1; + } + + return res + 1; } -wxPrivateDataObject::wxPrivateDataObject() +bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf) { - wxString id = wxT("application/"); - id += wxTheApp->GetAppName(); + // VZ: old format +#if 0 + // filenames are stores as a string with #0 as deliminators + const char *filenames = (const char*) buf; + size_t pos = 0; + for(;;) + { + if (filenames[0] == 0) + break; + if (pos >= size) + break; + wxString file( filenames ); // this returns the first file + AddFile( file ); + pos += file.Len()+1; + filenames += file.Len()+1; + } +#else // 1 + m_filenames.Empty(); + + // the text/uri-list format is a sequence of URIs (filenames prefixed by + // "file:" as far as I see) delimited by "\r\n" of total length size + // (I wonder what happens if the file has '\n' in its filename??) + wxString filename; + for ( const char *p = (const char *)buf; ; p++ ) + { + // 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 ) + { + size_t lenPrefix = 5; // strlen("file:") + if ( filename.Left(lenPrefix).MakeLower() == _T("file:") ) + { + // sometimes the syntax is "file:filename", sometimes it's + // URL-like: "file://filename" - deal with both + if ( filename[lenPrefix] == _T('/') && + filename[lenPrefix + 1] == _T('/') ) + { + // skip the slashes + lenPrefix += 2; + } + + AddFile(filename.c_str() + lenPrefix); + filename.Empty(); + } + else + { + wxLogDebug(_T("Unsupported URI '%s' in wxFileDataObject"), + filename.c_str()); + } + + if ( !*p ) + break; + + // skip '\r' + p++; + } + else + { + filename += *p; + } + } +#endif // 0/1 + + return true; +} + +void wxFileDataObject::AddFile( const wxString &filename ) +{ + m_filenames.Add( filename ); +} - m_format.SetId( id ); +// ---------------------------------------------------------------------------- +// wxBitmapDataObject +// ---------------------------------------------------------------------------- - m_size = 0; - m_data = (void *)NULL; +wxBitmapDataObject::wxBitmapDataObject() +{ + Init(); } -void wxPrivateDataObject::SetData( const void *data, size_t size ) +wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& bitmap ) + : wxBitmapDataObjectBase(bitmap) { - Free(); + Init(); - m_size = size; - m_data = malloc(size); + DoConvertToPng(); +} - memcpy( m_data, data, size ); +wxBitmapDataObject::~wxBitmapDataObject() +{ + Clear(); } -void wxPrivateDataObject::WriteData( void *dest ) const +void wxBitmapDataObject::SetBitmap( const wxBitmap &bitmap ) { - WriteData( m_data, dest ); + ClearAll(); + + wxBitmapDataObjectBase::SetBitmap(bitmap); + + DoConvertToPng(); } -size_t wxPrivateDataObject::GetSize() const +bool wxBitmapDataObject::GetDataHere(void *buf) const { - return m_size; + if ( !m_pngSize ) + { + wxFAIL_MSG( wxT("attempt to copy empty bitmap failed") ); + + return false; + } + + memcpy(buf, m_pngData, m_pngSize); + + return true; } -void wxPrivateDataObject::WriteData( const void *data, void *dest ) const +bool wxBitmapDataObject::SetData(size_t size, const void *buf) { - memcpy( dest, data, GetSize() ); + Clear(); + +#if wxUSE_LIBPNG + 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; + if ( !handler.LoadFile( &image, mstream ) ) + { + return false; + } + + m_bitmap = image; + + return m_bitmap.Ok(); +#else + return false; +#endif } -#endif // 0 +void wxBitmapDataObject::DoConvertToPng() +{ +#if wxUSE_LIBPNG + if (!m_bitmap.Ok()) + return; + + wxImage image = m_bitmap.ConvertToImage(); + wxPNGHandler handler; + + wxCountingOutputStream count; + handler.SaveFile( &image, count ); + + m_pngSize = count.GetSize() + 100; // sometimes the size seems to vary ??? + m_pngData = malloc(m_pngSize); + + wxMemoryOutputStream mstream( (char*) m_pngData, m_pngSize ); + handler.SaveFile( &image, mstream ); +#endif +} -#endif // wxUSE_CLIPBOARD +#endif // wxUSE_DATAOBJ