void ClsDiagConnectionHandleStart::refresh(){
qrectParentBR.setSize(parentItem()->boundingRect().size());
qrectParentBR.setX(0);
qrectParentBR.setY(0);
setPos(qrectParentBR.center());
if(dynamic_cast<ClsDiagItemAP*>(parentItem())){
iOrientation = dynamic_cast<ClsDiagItemAP*>(parentItem())->getOrientation();
setOrientation(iOrientation);
}
QPointF qpHere = parentItem()->scenePos() + qrectParentBR.center();
QGraphicsLineItem *qlinePost = parentConnection->getFirstSegment();
if(qlinePost!=NULL){
if(iOrientation == ClsDiagConnection::WEST_EAST){
qlinePost->setLine(qpHere.x() - qrectMyBR.height(), qpHere.y() - 1, qlinePost->line().p2().x(), qlinePost->line().p2().y()); /* height because we are rotated! */
} else if(iOrientation == ClsDiagConnection::EAST_WEST){
qlinePost->setLine(qpHere.x() + qrectMyBR.height(), qpHere.y(), qlinePost->line().p2().x(), qlinePost->line().p2().y()); /* height because we are rotated! */
} else if(iOrientation == ClsDiagConnection::NORTH_SOUTH){
qlinePost->setLine(qpHere.x(), qpHere.y() - qrectMyBR.height(), qlinePost->line().p2().x(), qlinePost->line().p2().y());
} else if(iOrientation == ClsDiagConnection::SOUTH_NORTH){
qlinePost->setLine(qpHere.x() - 1, qpHere.y() + qrectMyBR.height(), qlinePost->line().p2().x(), qlinePost->line().p2().y());
}
}
qlinePost->setZValue(0);
setZValue(10);
}
QVariant ClsDiagConnectionHandleStart::itemChange ( GraphicsItemChange change, const QVariant & value ){
if(change == QGraphicsItem::ItemParentHasChanged && scene()){
if(parentItem()!=NULL){
refresh();
} else {
setSourceID("");
QGraphicsLineItem *qlinePost = parentConnection->getFirstSegment();
if(qlinePost!=NULL){
QPointF p = qlinePost->line().p1();
setPos(p);
}
}
if(scene()!=NULL){
if(dynamic_cast<ClsScene*>(scene())->getCanvasType()==ClsScene::CANVAS_PROCESS){
setCursor(Qt::OpenHandCursor);
} else {
setCursor(Qt::ArrowCursor);
}
}
}
return QGraphicsItem::itemChange(change,value);
}
void GraphGraphicsView::drawPath(NodeGraphicsItem *from, NodeGraphicsItem *to)
{
QPen pen(QColor(qrand()%256,qrand()%256,qrand()%256));
double Pi = 3.1415926535897932384626433832795028;
qreal x1, x2, y1, y2;
if (isBelow(from, to))
{
x1 = from->pos().x()+15;
y1 = from->pos().y()+10;
x2 = to->pos().x()+15;
y2 = to->pos().y()-20;
}
else
{
x1 = from->pos().x()+15;
y1 = from->pos().y()-20;
x2 = to->pos().x()+15;
y2 = to->pos().y()+10;
}
lines.push_back(scene.addLine(x1, y1,
x2, y2,pen));
qreal arrowsize = 15;
QGraphicsLineItem* line = lines.last();
// I HAVE NO IDEA WHAT I'M CALCULATING MODE ON
double angle = ::acos(line->line().dx() / line->line().length());
if (line->line().dy() >= 0)
angle = (Pi * 2) - angle;
QPointF arrowP1 = line->line().p1() + QPointF(sin(angle + Pi / 3 ) * arrowsize,
cos(angle+Pi/3)*arrowsize);
QPointF arrowP2 = line->line().p1() + QPointF(sin(angle + Pi - Pi / 3) * arrowsize,
cos(angle + Pi - Pi / 3) * arrowsize);
// I HAVE NO IDEA WHAT I'M CALCULATING MODE OFF
arrows.push_back(scene.addLine(line->line().p1().x(), line->line().p1().y(),
arrowP1.x(), arrowP1.y(),pen));
arrows.push_back(scene.addLine(line->line().p1().x(), line->line().p1().y(),
arrowP2.x(), arrowP2.y(),pen));
}
void ClsDiagConnectionHandleStart::moveChildren (){
// cout << "ClsDiagConnectionHandleStart::moveChildrenBy ( double dx, double dy)" << endl;
QPointF qpHere = parentItem()->scenePos() + qrectParentBR.center();
QGraphicsLineItem *qlinePost = parentConnection->getFirstSegment();
if(qlinePost!=NULL){
if(iOrientation == ClsDiagConnection::WEST_EAST){
qlinePost->setLine(qpHere.x() - qrectMyBR.height(), qpHere.y() -1 , qlinePost->line().p2().x(), qlinePost->line().p2().y()); /* height because we are rotated! */
} else if(iOrientation == ClsDiagConnection::EAST_WEST){
qlinePost->setLine(qpHere.x() + qrectMyBR.height(), qpHere.y(), qlinePost->line().p2().x(), qlinePost->line().p2().y()); /* height because we are rotated! */
} else if(iOrientation == ClsDiagConnection::NORTH_SOUTH){
qlinePost->setLine(qpHere.x(), qpHere.y() - qrectMyBR.height(), qlinePost->line().p2().x(), qlinePost->line().p2().y());
} else if(iOrientation == ClsDiagConnection::SOUTH_NORTH){
qlinePost->setLine(qpHere.x() - 1, qpHere.y() + qrectMyBR.height(), qlinePost->line().p2().x(), qlinePost->line().p2().y());
}
}
}
void GraphiItemCtrl::OnDrawEvent()
{
switch(i_CurrentType)
{
case ITM_TYPE_LINE:
{
QGraphicsLineItem* pLine = o_ItemScene.addLine(o_PointA.x(),o_PointA.y(),
o_PointB.x(), o_PointB.y(),o_CurrentPen);
int iKey = GetNextItemKey();
QLineF oLine = pLine->line();
map_Lines.insert(iKey,oLine);
map_LineItems.insert(iKey, pLine);
pLine->setData(CUSTDATA_KEY,iKey);
emit NotifyLineAdded(iKey,oLine);
break;
}
case ITM_TYPE_RECTANGLE:
{
double dWidth = o_PointB.x() - o_PointA.x();
double dHeight = o_PointB.y() - o_PointA.y();
QGraphicsRectItem* pRect = o_ItemScene.addRect(o_PointA.x(),o_PointA.y(),
dWidth ,dHeight,o_CurrentPen);
int iKey = GetNextItemKey();
QRectF oRect = pRect->rect();
map_Rects.insert(iKey, oRect);
pRect->setData(CUSTDATA_KEY,iKey);
emit NotifyRectAdded(iKey,oRect);
break;
}
case ITM_TYPE_ELIPSE:
{
double dWidth = o_PointB.x() - o_PointA.x();
double dHeight = o_PointB.y() - o_PointA.y();
QGraphicsEllipseItem* pElipse = o_ItemScene.addEllipse(o_PointA.x(),o_PointA.y(),
dWidth ,dHeight,o_CurrentPen);
int iKey = GetNextItemKey();
pElipse->setData(CUSTDATA_KEY, iKey);
QRectF oRect = pElipse->rect();
map_Elipses.insert(iKey,oRect);
emit NotifyElipseAdded(iKey,oRect);
break;
}
}
}
void advance()
{
QPointF unit = (end - start)/sqrt(QPointF::dotProduct(end - start, end - start));
currentPos += 4.*unit;
QLineF l = line->line();
l.setP1(currentPos + QPoint(GameScene::tile_width/2, GameScene::tile_height/2));
line->setLine(l);
if ((currentPos - end).manhattanLength() < 4.) {
finished = true;
}
}
void QTableManager::Update(QgraphicsItemTable *table, qreal Vx,qreal Vy)
{
QGraphicsLineItem* line ;
for (int i = 0 ;i<ProjectData->NodeCount();i++){
line = ProjectData->getNode(i)->link;
if (ProjectData->getNode(i)->start==table)
line->setLine(line->line().x1()+Vx,line->line().y1()+Vy,line->line().x2(),line->line().y2());
if (ProjectData->getNode(i)->end==table){
line->setLine(line->line().x1(),line->line().y1(),line->line().x2()+Vx,line->line().y2()+Vy);
}
}
}