void Dropper::handleInternalDrag( QDropEvent* dropEvent, AbstractByteArrayView* sourceByteArrayView )
{
// get drag origin
AddressRange selection = sourceByteArrayView->tableRanges()->removeSelection();
ByteArrayTableCursor* tableCursor = mByteArrayView->tableCursor();
AbstractByteArrayModel* byteArrayModel = mByteArrayView->byteArrayModel();
Address insertIndex = tableCursor->realIndex();
// is this a move?
if( dropEvent->proposedAction() == Qt::MoveAction )
{
// ignore the copy hold in the event but only move
Address newCursorIndex;
// need to swap?
if( selection.end() < insertIndex )
{
newCursorIndex = insertIndex;
const Address firstIndex = selection.start();
selection.set( selection.nextBehindEnd(), insertIndex-1 );
insertIndex = firstIndex;
}
else
newCursorIndex = insertIndex + selection.width();
const bool success = byteArrayModel->swap( insertIndex, selection );
if( success )
{
tableCursor->gotoCIndex( newCursorIndex );
emit mByteArrayView->cursorPositionChanged( tableCursor->realIndex() );
}
}
// is a copy
else
{
// TODO: should this be a method of AbstractByteArrayModel, to reuse piece data?
// get data
const QByteArray data =
dropEvent->mimeData()->data( QLatin1String(DropperOctetStreamFormatName) );
if( !data.isEmpty() )
{
if( mByteArrayView->isOverwriteMode() )
{
const Size length = mByteArrayView->layout()->length();
if( !tableCursor->isBehind() && length > 0 )
{
AddressRange overwriteRange = AddressRange::fromWidth( insertIndex, data.size() );
overwriteRange.restrictEndTo( length-1 );
if( overwriteRange.isValid() )
byteArrayModel->replace( overwriteRange, reinterpret_cast<const Byte*>(data.constData()), overwriteRange.width() );
}
}
else
byteArrayModel->insert( insertIndex, reinterpret_cast<const Byte*>(data.constData()), data.size() );
}
}
}
void KNavigator::moveCursor( KMoveAction action, bool select )
{
mView->pauseCursor();
mView->finishByteEdit();
ByteArrayTableCursor* tableCursor = mView->tableCursor();
ByteArrayTableRanges* tableRanges = mView->tableRanges();
if( select )
{
if( !tableRanges->selectionStarted() )
tableRanges->setSelectionStart( tableCursor->realIndex() );
}
else
tableRanges->removeSelection();
switch( action )
{
case MoveBackward: tableCursor->gotoPreviousByte(); break;
case MoveWordBackward: {
const Okteta::WordByteArrayService WBS( mView->byteArrayModel(), mView->charCodec() );
const int newIndex = WBS.indexOfPreviousWordStart( tableCursor->realIndex() );
tableCursor->gotoIndex( newIndex );
}
break;
case MoveForward: tableCursor->gotoNextByte(); break;
case MoveWordForward: {
const Okteta::WordByteArrayService WBS( mView->byteArrayModel(), mView->charCodec() );
const int newIndex = WBS.indexOfNextWordStart( tableCursor->realIndex() );
tableCursor->gotoCIndex( newIndex );
}
break;
case MoveUp: tableCursor->gotoUp(); break;
case MovePgUp: tableCursor->gotoPageUp(); break;
case MoveDown: tableCursor->gotoDown(); break;
case MovePgDown: tableCursor->gotoPageDown(); break;
case MoveLineStart: tableCursor->gotoLineStart(); break;
case MoveHome: tableCursor->gotoStart(); break;
case MoveLineEnd: tableCursor->gotoLineEnd(); break;
case MoveEnd: tableCursor->gotoEnd(); break;
}
if( select )
tableRanges->setSelectionEnd( tableCursor->realIndex() );
if( tableRanges->isModified() )
mView->emitSelectionSignals(); // TODO: can this be moved somewhere
emit mView->cursorPositionChanged( tableCursor->realIndex() );
mView->updateChanged();
mView->ensureCursorVisible();
mView->unpauseCursor();
}
