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/***************************************************************************
kbufferdrag.cpp - description
-------------------
begin : Mon Jul 07 2003
copyright : (C) 2003 by Friedrich W. H. Kossebau
email : Friedrich.W.H@Kossebau.de
***************************************************************************/
/***************************************************************************
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License version 2 as published by the Free Software Foundation. *
* *
***************************************************************************/
//#include <kdebug.h>
// c specific
#include <string.h>
// lib specific
#include "kbufferdrag.h"
#include "kbordercoltextexport.h"
#include "koffsetcoltextexport.h"
#include "kvaluecoltextexport.h"
#include "kcharcoltextexport.h"
using namespace std;
using namespace KHE;
const char *KBufferDrag::OctetStream = "application/octet-stream";
const char *KBufferDrag::PlainText = "text/plain";
KBufferDrag::KBufferDrag( const QByteArray &D, KCoordRange Range,
const KOffsetColumn *OC, const KValueColumn *HC, const KCharColumn *TC,
char SC,
QWidget *Source, const char *Name )
:QDragObject( Source, Name ),
CoordRange( Range ),
SubstituteChar( SC )
{
setData( D );
Columns = new KColTextExportPtr[5];
NoOfCol = 0;
if( HC )
{
Columns[NoOfCol++] = new KOffsetColTextExport( OC );
Columns[NoOfCol++] = new KBorderColTextExport();
Columns[NoOfCol++] = new KValueColTextExport( HC, Data.data(), CoordRange );
if( TC )
{
Columns[NoOfCol++] = new KBorderColTextExport();
Columns[NoOfCol++] = new KCharColTextExport( TC, Data.data(), CoordRange );
}
}
}
KBufferDrag::KBufferDrag( QWidget *Source, const char *Name )
: QDragObject( Source, Name )
{
}
KBufferDrag::~KBufferDrag()
{
for( int i=0; i<NoOfCol; ++i )
delete Columns[i];
delete [] Columns;
}
void KBufferDrag::setData( const QByteArray &D )
{
Data = D;
}
const char *KBufferDrag::format( int i ) const
{
return( i == 0 ? OctetStream : i == 1 ? PlainText : 0L );
}
QByteArray KBufferDrag::encodedData( const char *Format ) const
{
if( Format != 0L )
{
if( strcmp(Format,OctetStream) == 0 )
{
// std::cout << "using " << OctetStream << std::endl;
return( Data );
}
if( strcmp(Format,PlainText) == 0 )
{
// std::cout << "using " << PlainText << std::endl;
QByteArray TextData;
if( NoOfCol == 0 )
{
// duplicate the data and subsitute all non-printable items with a space
TextData.duplicate( Data );
char *D = TextData.data();
for( unsigned int i=0; i<TextData.size(); ++i,++D )
{ unsigned char B = *D; if( B < 32 && B != '\t' && B != '\n' ) *D = SubstituteChar; }
}
else
{
// initialize: one for the newline \n
int NeededMemory = 1;
for( int i=0; i<NoOfCol; ++i )
{
NeededMemory += Columns[i]->charsPerLine();
// cout << "MEM:" << NeededMemory << endl;
}
// scale with the number of lines
NeededMemory *= CoordRange.lines();
// cout << "FMEM:" << NeededMemory << endl;
// find out needed size
/*if( !*/TextData.resize( NeededMemory );// )
// cout <<"Duh"<<endl;
// cout << "A" << endl;
// now fill
char *D = TextData.data();
int l = CoordRange.start().line();
// cout << "startline: "<<l<<endl;
for( int i=0; i<NoOfCol; ++i )
Columns[i]->printFirstLine( &D, l );
*D++ = '\n';
// cout << "firstline done"<<endl;
for( ++l; l<=CoordRange.end().line(); ++l )
{
for( int i=0; i<NoOfCol; ++i )
Columns[i]->printNextLine( &D );
*D++ = '\n';
// cout << "line"<<l<<" done"<<endl;
}
// cout << "done. should:"<<TextData.size()<< " is:"<<D-TextData.data()<<endl;
}
return( TextData );
}
}
// return empty dummy
return QByteArray();
}
bool KBufferDrag::canDecode( const QMimeSource* Source )
{
bool c =( Source->provides(OctetStream) /*|| Source->provides(PlainText)*/ );
return c;
// return( Source->provides(OctetStream) /*|| Source->provides(PlainText)*/ );
}
bool KBufferDrag::decode( const QMimeSource* Source, QByteArray &Dest )
{
// Dest = Source->encodedData( MediaString );
// return Dest.size() != 0;
bool CanDecode = Source->provides( OctetStream );
if( CanDecode )
Dest = Source->encodedData( OctetStream );
return CanDecode;
}
#include "kbufferdrag.moc"
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