bool FixedElement::moveHorSituation(FormulaCursor& newcursor, FormulaCursor& oldcursor, int pos1, int pos2) {
if ((newcursor.position()/2==pos1 && newcursor.direction()==MoveUp) ||
(newcursor.position()/2==pos2 && newcursor.direction()==MoveDown) ||
(newcursor.position()==2*pos1 && newcursor.direction()==MoveLeft) ||
(newcursor.position()==2*pos2+1 && newcursor.direction()==MoveRight) ) {
return false;
}
switch (newcursor.direction()) {
case MoveLeft:
if (newcursor.position()==2*pos2+1) {
newcursor.moveTo(newcursor.currentElement()->childElements()[pos2]);
} else {
newcursor.moveTo(newcursor.currentElement()->childElements()[pos1]);
}
break;
case MoveRight:
if (newcursor.position()==2*pos1) {
newcursor.moveTo(newcursor.currentElement()->childElements()[pos1]);
} else {
newcursor.moveTo(newcursor.currentElement()->childElements()[pos2]);
}
break;
case MoveUp:
case MoveDown:
return newcursor.moveCloseTo(childElements()[newcursor.direction()==MoveUp ? pos1 : pos2],oldcursor);
case NoDirection:
break;
}
return true;
}
FormulaCursor::FormulaCursor (const FormulaCursor& other )
{
m_currentElement=other.currentElement();
m_position=other.position();
m_mark=other.mark();
m_selecting=other.isSelecting();
}
void FormulaCursor::moveTo ( const FormulaCursor& pos )
{
m_currentElement=pos.currentElement();
m_position=pos.position();
m_selecting=pos.isSelecting();
m_mark=pos.mark();
}