void FGraphicsScene::helpEvent(QGraphicsSceneHelpEvent *helpEvent)
{
QGraphicsItem * item = this->itemAt(helpEvent->scenePos());
if (item == NULL) return;
QString text;
QPoint point;
ItemBase * itemBase = dynamic_cast<ItemBase *>(item);
if (itemBase == NULL) {
ConnectorItem * connectorItem = dynamic_cast<ConnectorItem *>(item);
if (connectorItem) {
connectorItem->updateTooltip();
}
}
else {
itemBase->updateTooltip();
}
if (!item->toolTip().isEmpty()) {
text = item->toolTip();
point = helpEvent->screenPos();
}
// Show or hide the tooltip
QToolTip::showText(point, text);
}
void AxisInteractor::showContextMenu(const QPoint &pos)
{
QPoint globalPos = this->mapToGlobal(pos);
QList<QGraphicsItem *> list = this->scene->items();
for (int i = 0; i < list.count(); ++i)
{
QGraphicsItem *item = list.at(i);
if (item->type() == IndicatorItemType)
{
if (item->isUnderMouse())
{
item->setSelected(false);
this->createContextMenu();
QAction *selectedItem = this->indicatorContextMenu->exec(globalPos);
if (selectedItem)
{
if (QString("Delete") == selectedItem->text())
{
this->scene->removeItem(item);
emit this->deleteIndicator(item->toolTip());
}
if (QString("Hide") == selectedItem->text())
{
bool isVisible = !selectedItem->isChecked();
emit this->showOrHideIndicator(isVisible, item->toolTip());
static_cast<Indicator *>(item)->changeIndicatorColor(isVisible);
}
}
}
}
}
}
void AxisInteractor::getIndicator()
{
QList<QGraphicsItem *> list = this->scene->selectedItems();
if (1 == list.size())
{
QGraphicsItem *item = list.at(0);
if (item->type() == IndicatorItemType)
{
emit this->indicatorSelected(item->toolTip());
}
}
}
void AxisInteractor::selectIndicator(const QString &name)
{
this->clearSelections();
QList<QGraphicsItem *> list = this->scene->items();
for (int i = 0; i < list.count(); ++i)
{
QGraphicsItem *item = list.at(i);
if (item->type() == IndicatorItemType)
{
if (item->toolTip() == name)
{
item->setSelected(true);
}
}
}
}
void GalaGV::onSelectionChanged()
{
QList<QGraphicsItem*> l = scene()->selectedItems();
if(!l.isEmpty()){
QGraphicsItem *i = l.first();
QString t;
if(mData->gate != NULL){
int d = clacDis(i->data(Cords).toString(),mData->gate->data(Cords).toString());
d=d/5;
int h =0;
if(d>59)
h = d/60;
t = QString::number(h)+"h:"+QString::number(d%60)+"min ";
}
mLabelInfo->setText(t+i->toolTip());
}
}
