YSelection YSelection::clip( const YInterval& bound ) const
{
// dbg() << "YSelection::clip " << bound << endl << "*** INPUT ***" << endl << *this << "*** END INPUT ***" << endl;
YBound limitFrom( bound.fromPos(), !bound.from().opened() );
YBound limitTo( bound.toPos(), !bound.to().opened() );
YSelection tmp( mName );
tmp.setMap( mMap );
YBound lastBound = mMap[ mMap.size() - 1 ].to();
YBound firstBound = mMap[ 0 ].from();
if ( lastBound > limitTo )
tmp.delInterval( YInterval( limitTo, lastBound ) );
if ( !tmp.isEmpty() && firstBound < limitFrom )
tmp.delInterval( YInterval( firstBound, limitFrom ) );
// dbg() << "*** TMP ****" << endl << tmp << "*** END TMP ***" << endl;
YSelection ret( mName );
unsigned int startX = bound.fromPos().x();
unsigned int endX = bound.toPos().x();
unsigned int fX, tX, fY, tY;
for ( int i = 0; i < tmp.mMap.size(); ++i ) {
fX = tmp.mMap[ i ].fromPos().x();
fY = tmp.mMap[ i ].fromPos().y();
tX = tmp.mMap[ i ].toPos().x();
tY = tmp.mMap[ i ].toPos().y();
if ( !( fY == tY && ( fX > endX || tX < startX ) ) ) {
if ( fX <= endX ) {
fX = qMax( fX, startX );
} else {
++fY;
fX = startX;
}
if ( tX >= startX ) {
tX = qMin( tX, endX );
} else if ( fY < tY ) {
--tY;
tX = endX;
} else {
continue;
}
ret.addInterval( YInterval( YCursor( fX, fY ), YCursor( tX, tY ) ) );
}
}
// dbg() << "#### result #####" << endl << ret << "#### end result ####" << endl;
return ret;
}
void NYView::guiScroll(int dx, int dy)
{
Q_UNUSED(dx); //TODO
if(dy >= getLinesVisible()) {
guiPaintEvent(YSelection(YInterval(YCursor(0, 0), YCursor(getColumnsVisible() - 1, getLinesVisible() - 1))));
} else {
scrollok(editor, true);
wscrl(editor, dy);
scrollok(editor, false);
int top = 0;
int n = qAbs(dy);
if(dy > 0) {
/* redraw the new bottom */
top += getLinesVisible() - n;
}
guiPaintEvent(YSelection(YInterval(YCursor(0, top), YCursor(getColumnsVisible() - 1, top + n - 1))));
}
}
bool YSwapFile::recover()
{
mRecovering = true;
QFile f( mFilename );
if ( f.open( QIODevice::ReadOnly ) ) {
QTextStream stream( &f );
while ( !stream.atEnd() ) {
QString line = stream.readLine();
QRegExp rx("([0-9]) ([0-9]*) ([0-9]*) ([01]) ([0-9]*) ([0-9]*) ([01])");
bool error = !stream.atEnd();
if ( !error && rx.exactMatch( line ) ) {
YBufferOperation::OperationType type = (YBufferOperation::OperationType)rx.cap(1).toInt();
YBound from = YBound(YCursor(rx.cap(2).toInt(),rx.cap(3).toInt()), rx.cap(4) == "0");
YBound to = YBound(YCursor(rx.cap(5).toInt(),rx.cap(6).toInt()), rx.cap(7) == "0");
YRawData data;
line = stream.readLine();
while ( !error && line.length() > 0 ) {
if ( stream.atEnd() ) {
error = true;
} else {
data << line.mid(1);
line = stream.readLine();
}
}
if ( !error ) {
replay(type, YInterval(from, to), data);
}
} else {
error = true;
}
if ( error ) {
dbg() << "Error reading swap file" << endl;
}
}
f.close();
} else {
YSession::self()->guiPopupMessage(_( "The swap file could not be opened, there will be no recovering for this file, you might want to check permissions of files." ));
mRecovering = false;
return false;
}
mRecovering = false;
return true;
}
const YInterval operator- ( const YInterval& l, const YCursor r )
{
return YInterval( qMax(l.from() - r, YBound(YCursor(0, 0))), qMax(l.to() - r, YBound(YCursor(0, 0), true)) );
}
YInterval YInterval::intersection( const YInterval& i ) const
{
return YInterval(i.from() < from() ? from() : i.from(), i.to() < to() ? i.to() : to());
}
