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();
}
bool TableRowElement::moveCursor(FormulaCursor& newcursor, FormulaCursor& oldcursor)
{
//TODO: Moving the cursor vertically in the tableelement is a little bit fragile
if ( (newcursor.isHome() && newcursor.direction()==MoveLeft) ||
(newcursor.isEnd() && newcursor.direction()==MoveRight) ) {
return false;
}
int rowpos=parentElement()->positionOfChild(this);
int colpos=(newcursor.position()!=endPosition() ? newcursor.position() : newcursor.position()-1);
if (newcursor.isSelecting()) {
switch(newcursor.direction()) {
case MoveLeft:
newcursor.moveTo(this,newcursor.position()-1);
break;
case MoveRight:
newcursor.moveTo(this,newcursor.position()+1);
break;
case MoveUp:
case MoveDown:
return false;
default:
break;
}
} else {
switch(newcursor.direction()) {
case MoveLeft:
newcursor.setCurrentElement(m_data[newcursor.position()-1]);
newcursor.moveEnd();
break;
case MoveRight:
newcursor.setCurrentElement(m_data[newcursor.position()]);
newcursor.moveHome();
break;
case MoveUp:
if ( rowpos>1 ) {
BasicElement* b=parentElement()->childElements()[rowpos/2-1]->childElements()[colpos];
return newcursor.moveCloseTo(b, oldcursor);
} else {
return false;
}
case MoveDown:
if ( rowpos<endPosition()-1 ) {
BasicElement* b=parentElement()->childElements()[rowpos/2+1]->childElements()[colpos];
return newcursor.moveCloseTo(b, oldcursor);
} else {
return false;
}
default:
break;
}
}
return true;
}