// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "dataobj.h"
-#endif
-
#include "wx/defs.h"
-#if wxUSE_CLIPBOARD
+#if wxUSE_DATAOBJ
#include "wx/dataobj.h"
+#include "wx/mstream.h"
#include "wx/app.h"
+#include "wx/image.h"
+#include "wx/log.h"
-#ifdef __VMS__
-#pragma message disable nosimpint
-#endif
-#ifdef __VMS__
-#pragma message enable nosimpint
-#endif
#include "wx/utils.h"
+#include "wx/x11/private.h"
//-------------------------------------------------------------------------
// global data
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
+ wxString ret = wxString::FromAscii( t );
if (t)
XFree( t );
return ret;
+#endif
}
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 );
+
+ return TRUE;
+}
+
+size_t wxFileDataObject::GetDataSize() const
+{
+ size_t res = 0;
+
+ for (size_t i = 0; i < m_filenames.GetCount(); i++)
+ {
+ res += m_filenames[i].Len();
+ res += 1;
+ }
+
+ return res + 1;
+}
+
+bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
+{
+ // 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 wxPrivateDataObject::Free()
+void wxFileDataObject::AddFile( const wxString &filename )
{
- if ( m_data )
- free(m_data);
+ m_filenames.Add( filename );
}
-wxPrivateDataObject::wxPrivateDataObject()
+// ----------------------------------------------------------------------------
+// wxBitmapDataObject
+// ----------------------------------------------------------------------------
+
+wxBitmapDataObject::wxBitmapDataObject()
{
- wxString id = wxT("application/");
- id += wxTheApp->GetAppName();
+ Init();
+}
- m_format.SetId( id );
+wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& bitmap )
+ : wxBitmapDataObjectBase(bitmap)
+{
+ Init();
+
+ DoConvertToPng();
+}
- m_size = 0;
- m_data = (void *)NULL;
+wxBitmapDataObject::~wxBitmapDataObject()
+{
+ Clear();
}
-void wxPrivateDataObject::SetData( const void *data, size_t size )
+void wxBitmapDataObject::SetBitmap( const wxBitmap &bitmap )
{
- Free();
+ ClearAll();
- m_size = size;
- m_data = malloc(size);
+ wxBitmapDataObjectBase::SetBitmap(bitmap);
- memcpy( m_data, data, size );
+ DoConvertToPng();
}
-void wxPrivateDataObject::WriteData( void *dest ) const
+bool wxBitmapDataObject::GetDataHere(void *buf) const
{
- WriteData( m_data, dest );
+ if ( !m_pngSize )
+ {
+ wxFAIL_MSG( wxT("attempt to copy empty bitmap failed") );
+
+ return FALSE;
+ }
+
+ memcpy(buf, m_pngData, m_pngSize);
+
+ return TRUE;
}
-size_t wxPrivateDataObject::GetSize() const
+bool wxBitmapDataObject::SetData(size_t size, const void *buf)
{
- return m_size;
+ 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
}
-void wxPrivateDataObject::WriteData( const void *data, void *dest ) const
+void wxBitmapDataObject::DoConvertToPng()
{
- memcpy( dest, data, GetSize() );
+#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 // 0
+#endif // wxUSE_DATAOBJ
-#endif // wxUSE_CLIPBOARD
projects / wxWidgets.git / blobdiff